Human Indifference Essay Example for Free

Human Indifference Essay In the article â€Å"Americans are shopping while Iraq burns†, Bob Herbert implies that Americans are deeply absorbed in their own interests and are therefore apathetic to developments in Iraq, and by extension the developments in any other place where the United States is at war like in Afghanistan. On the contrary, renowned photojournalist James Natchwey is of the opinion that Americans would like to be informed of what really is happening so that they can act responsively. This must have been his conviction before embarking on his mission to film footage for the documentary â€Å"War Photographer†. A number of credible sources underline this apathetic stance adapted by many Americans regarding the suffering that emanates from wars waged by their nation in their name. This research paper aims to identify both their stances in detail with the aim of establishing which perspective is closer to the truth. It also pays a tribute to James Natchwey’s exemplary journalism. The State of the American Society Bob Herbert creates a reference for his argument on Thanksgiving Day here in the U. S. Shopping malls opened at midnight as Americans gleefully spend on the celebration. In the meantime, over 200 civilians had been killed by car bombs in the Iraqi city of Sadr. This is just one incident: a majority of Americans go about their business oblivious of the suffering Iraqi civilians endure on a daily basis or the fatalities American troops encounter at the battlefields. If indeed they were conscious of the repercussions of the war, we would be up in protest opposing these wars whose benefits to the American society cannot be ascertained. The apathy demonstrated by Americans may originate from the fact that very few Americans are concerned with the nation’s foreign policy. As Ole R. Holsti points out, there is â€Å"absence of sustained public attention to international issues† (Holsti 2004, 285). This is demonstrated in the circumstances that led to the invasion of Iraq: the Bush administration alleged without sufficient proof that Iraq possessed weapons of mass destruction (Smith 2005) and connected the Baghdad regime with the Al-Qaeda terrorist network, and the American public was ready to believe these charges in the pretext that Iraq really was a threat to national security (Holsti 2004). Media in the U. S. as made it hard for Americans to know what to believe in or what to value. There is insufficient coverage of the destructiveness of the war as media executives strive to make profits in an overly commercialized industry. The importance of news is diluted as news is â€Å"stripped of its credibility and the audience will have no ability to differentiate between the values of news and other forms of entertainment† (Dadge Schechter 2006, 103). As Bob Herbert points out, most Americans have no personal stake in the Iraqi war and are consequently indifferent to its outcomes. A short survey reveals that very few citizens would be willing to join the military, no wonder most go about their business bearing indifference to the effects of the war on Iraqi civilians whose lives are shattered by war (Gott 2002) and U. S marines who die in the line of duty. The suggestion by Representative Charles Rangel that the Draft be reinstated implies that American politicians would be reluctant to approve of war if the possibility of their constituents being called into active service was real. With these facts out in the open, Herbert’s position is obviously more credible. Media apathy, domestic lack of interest in foreign policy and general disinterest have all contributed to the absence of a collective sacrifice and sharing of the burden of responsibility on the war. This is supported by the other sources cited in this paper. Public Opinion and American Foreign Policy is a comprehensive text describing in detail American foreign policy since September 11th. Why War: The Cultural Logic of Iraq, the Gulf War, and Suez is a thought-provoking text which pushes a reader beyond the periphery of conventional sociological thought. David Dadge and Danny Schechter’s book exposes the ease with which the American public is in most case willing to acknowledge intelligence reports without the desire to validate the background information. War Photographer James Natchwey demonstrates true heroism as he delves deep into some of the most dangerous and desolate spots on earth to bring pictures of what really goes on here to viewers. His work captivates audiences and instills empathy by relaying the destruction and heartbreak occasioned by conflict. He is an embodiment of courage, professional dedication and humanitarianism.

The Antivirus Technology Definition Computer Science Essay

The Antivirus Technology Definition Computer Science Essay Antivirus is defending software designed for guarding your computers system smart cell phones against Virus, Trojans Hijackers etc. These all Viruses, Trojans Win32 etc. are called Malicious Software in computer world. All Antivirus software run in the background at all times to protect defense your computers system smart cell phones some antivirus are automatically updated through internet some antivirus are needs manual updated through internet to protect your systems against Malicious software. Introduction: Antivirus software provides a many critical layer to protect from Virus, win32, Trojans worm etc. The first document removal of the computer viruses was written by Bernd Fix. There are two types antivirus application in the computer world so that the time of the Atari ST platform designed in 1987 the first one was G Data second was UVK 2000 made by Bernd Fix in 1987.The word Antivirus is come from the word Antibiotic which means implies combat with an invading force of the programs. Fred Cohen designed the strategies relative to an Antivirus software program in 1988 to solve the virus problems. The old previews years Antivirus software are not so good because those software only detected the Virus Spyware etc. remove it from your computers system damage your some operating system files inside your computers now AntiVirus software much better than old ones because it detected the virus remove it without deleting your operating system files inside your computers it also fight against new malicious software which come from internet network. Well in the preview years Antivirus software are not completely free downloadable on the internet means you could only find some antivirus software with trial version now Antivirus software are completely free download without trial version . New Antivirus also checked the incoming outgoing mail, email attachments etc. It also has internet security for internet threats. Advantages and Disadvantages: Antivirus software is very useful in the preventing, controlling, virus many more viruses program, which can damage the computers components from inside operating system files to. Antivirus software are used the methods for searching killing Viruses some of the well knows patterns of computer data programs. Antivirus programs are very effective against the viruses program, whose is the biggest threat for your computer systems. Antivirus program has some limitations drawbacks on the other hand, which effect on the computer system performance. In the computer world, inexperienced users can have many problems with the antivirus programs or software such as inabilities to understand, threats of the software success of the antivirus programs software are dependent on the ability of the user to understand Or knowing the right kind of balance between the positives negatives things in the computer world. Antivirus software or programs can cause problems during the installation window in the computer system or upgrade the Windows Service packs in the computer system. Antivirus software can be hampered some few software programs because it used its own firewall to block application to store in the computer system. E.g. True Crypt. Some Antivirus program will not knowing by the policy assessment before make its own policy when it install in the computer system. There are three major types of detection which is used to identify the potential threats in the computer system such as: Signature based, Heuristic based File emulation method. Signature based detection: In this method, you can identify the viruses malware virus software. Antivirus software can also compare the content files of the computer system to dictionary files of virus signatures because viruses are embed into themselves in the files shape or in pieces shape to infect the computers. Heuristic based detection: In this method, you can only detect malicious activity relative to viruses identify unknown viruses in the computer system. File emulation: In this method, it has using the heuristic type approach which it executing the program in a virtual environment which effect the action of the program performs it also carries out the disinfection actions relative to the programs which run in the computer. What is a Virus? Viruses are the category of malicious program code software, viruses are used for attempted to breach security value break them damage data of the computer system display unwanted messages on the display screen when the antivirus program for gabbing user passwords on a networks are called LOGIN.exe. These real LOGIN.exe programs which have intruder or infect the user programs are called Trojan Horses when viruses program fall into the Trojans category than these viruses program have the ability to reproduce themselves again again until users computer systems slow down performance processing to any application it infected the your operating system. . Why Do Viruses Exist? Now-a-days every computer virus programs are written by someone who wanted it to infect damage other peoples computer systems smart cell phones our world. So these Viruses program coding pass from computer to other computers system these viruses may be not have direct effect on the some computers but it effects on the other resources like(Disk space Memory) thats why these viruses are harmful it coding are very complex it also contain some serious bugs which damages the computer system pretty badly. How do we will know if we have a virus want to protect our computer systems? If the someone computer systems are very running slower, freezing it displaying error messages again again than you should have the viruses in yours computers or operating system than u must install Antivirus software scan your computer system with latest internet updated of the Antivirus programs security to clear your computer with viruses. How do we get these viruses on our computer system or operating system? Computer systems can be infected by viruses because: User using the Internet without having the latest updates of the Antivirus programs security installed into your operating system. User using the Internet without having a working firewall on the operating system or Antivirus software. User who opening the email attachments without knowing that whos will send him or her. User visiting unreliable website pages than viruses automatically stored into your computer because these website pages contains the infected viruses programs. How do we get rid of the viruses? To get rid of the Viruses you should use latest Antivirus software or latest Antivirus program security updates now-a-days many new Antivirus software are able on the Internet free cost with one years updates free e.g. Norton Antivirus, McAfee Antivirus Kaspersky Antivirus etc. What are types of Virus in the computer world? There are several types of viruses in the world which your computers your operating systems for examples: Worms, Trojan horses, Logic bombs, Mutated viruses, Polymorphic viruses, Bounty hunters, Boot sector viruses Macro viruses etc. Worms: Worms Viruses are used to spread over a network of the internet hacks the computer system or operating system which connects with internet networks. Trojan horses: Trojans viruses are used to create a security hole in the computer programs or operating system infected the system files inside. Logic bombs: Logic bombs viruses are used to trigger the specific event means computer systems date programs of remote activation etc. Mutated viruses: Mutated viruses are used to rewritten by hacker users to change the behavior or signature of the programs made the multiple versions of the same viruses that infected the computer programs or operating system. So these viruses are also called variants. Polymorphic viruses: Viruses which are used to automatically change according their appearance, like as a chameleon by giving the viruss signature of the programs in encrypt-decrypt function so virus can only be recognize its own signature of the program. This kind of virus is called Polymorphic viruses. Bounty hunters: Bounty hunters viruses are used to modify signature program stored by Antivirus program in the order to render them an inoperable in the operating system. Boot sector viruses: A boot sector viruses are used to infecting the boot sector of a hard drive of the computer system. (Just like MBR Master boot record) it also has infected the speed of the processer. Macro viruses: Viruses which came from email, email attachments etc. to damage the operating system or hack the computer system BackDoor.exe Viruses: These viruses are highly dangerous because it can give the complete shell of the victims computers to the attacker. These exe are made by many encryption techniques, so anti-virus hardly detects these types of viruses. What is Firewall Spyware? Firewall: Firewall is software or program which have security tool to help limit internet network traffic with hackers or viruses to getting in your computer system. Firewall helped protects your computer from future hackers new incoming viruses. Spyware: Spyware are used to a multitude of malicious software programs which access your computer system. When Spyware viruses infect your computer system or operating system than it will slow down your operating system speed performance your computer system going to hang again again. Issues relative with the Antivirus software: Unexpected renewal costs: Some of the commercial antivirus software which includes end-user license agreements which effect on the subscription automatically renewed it, cost so much which you not expected. False positives: Antivirus software can used to identify non-malicious files which having the viruses so that it will be cause serious problems for the computer system because false positive make operating system files very unstable because of the viruses. System interoperability related issues: When the multiple antivirus programs running on the computer or operating system than it will degrade the performance of the operating system create conflicts in every programs running on the operating system. So this concept is called Multiscanning If the functionality of the few software programs can be hampered by the active antivirus software on the operating system. Effectiveness: The effectiveness of antivirus programs have been decreased in the previews year because of new good Antivirus software launch on the markets computer threat going dropped from 40-50% to 20-30% in this preview year. Rootkits: Rootkits are major challenge for antivirus programs on the operating system it had admin area access to the system to control, invisible hidden the EXE from the running processes of the task manager on the computer system. What is Cloud antivirus method? Cloud antivirus method is a technology that used the lightweight agent software to protect the computer system or operating system it also used for analysis the data with providers infrastructure. To implement this Cloud antivirus method we used the multiple antivirus engines which scanning suspicious files from the operating system this concept is called Cloud AV. Cloud AV was designed to send programs on the internet network where detection programs are used to improve the detection rates with multiple antivirus behavioral on the internet network. Online Scanning: Some of the Antivirus provides maintain of websites with free online scanning on the internet with the entire computer such as like local disks, critical area files relative to the computer systems. Well as you know that internet becomes the vehicle for communication in this world people using digital communication on the internet with very fast speed scope so that new kinds of viruses are increasing spread all over the world of the internet network. If someone will not want to install antivirus on his or her computer than he or she can easily scan his or her computer online this is quickly possible solution. What do u means by the birth rate death rate of the viruses? The Birth rate of the viruses: The birth rate of the viruses depends upon the one infected computer system or operating system which can spread this infection to other computer system or operating system. The Death rate of the viruses: The death rates of the viruses depend upon the infection found on the computer system or operating system destroy that computer system. Antivirus products: There many products of antiviruses. Some of them are discuss below: Avast Free AntiVirus: Avast is an antivirus computer program made by AVAST Software a.s. Avast is the freeware version of the Avast company. Avast can be installed on Microsoft Windows, Macintosh Operating System X and Linux. It also has command line scanner system and different dangerous script blocker. It has many new features e.g. file system shield, Real time protection form worms and threats. Mail shield protect from dangerous mails and attachments In it. Web shield protects form malicious URL or virus containing sites. Network shield protect from attacking ports and known network worms. Boot time scan, scans the infections that are loading during windows startup and remove them. If any virus is found, antivirus displays the notification to the user, and asks for action to take. AVG AntiVirus: AVG is another antivirus program made by AVG Technologies. It can be installed on multiple platforms and FreeBSD computing platforms. It also has a free version of antivirus. There are many components in avg antivirus. Anti-Spyware protects you from different spyware which are in your computers. Link Scanner scans the web links, whether they are affected or not. Web Shield protects you from viruses which come into your computer through internet. It has own firewall system to protect the system. It also has servers version to protect the web/file servers, mail servers and dns severs. Avira AntiVirus: Avira is considered as the 6th largest antivirus software worldwide. And it has 100 million customers. It can be installed on Android and other operating systems. It runs as a background process which checks every file opened or downloads form the internet. It has different components in the antivirus. Email scanning which supports POP3 and SMTP protocols. Web Guard to block the access of malicious sites. It has personal firewall and anti-spam system. Backup module to protect and secure the important data. Keep an eye on different Botnets, and prevent them. It offers tools including a Rescue System utility used to write a bootable CD and DVD. Some main features of Avira windows versions are: Anti-Phishing Mail Guard Game Mode AnitBot Parental Controls Bitdefender Antivirus: The Bitdefender products include antivirus and antispyware, personal firewall, privacy control, user control, backup for company and home users. PC Tuneup and Performance Optimizer. It can be used in Symbian Operating System, Windows Mobile, and Solaris. A free basic online scan is offered by the Bitdefender via the bit defender website. Bitdefender introduces the new technology B-HAVE. Through which it can detect the unknown threats. ESET NOD32 Antivirus: ESET first ever product was NOD, an antivirus program for computers running MS-DOS. Then after some time period it introduces the NOD32 for Windows XP. In September 2010 ESET released NOD32 antivirus for Macintosh OS. It also supports BSD, Linux, Novell NetWare and Sun Solaris. ESET NOD32 includes an enhanced media control that automatically scans all USB, CD/DVD and external hard drives. F-Secure Antivirus: F-secure is first antivirus to establish an existence on the World Wide Web. F-secure first introduced the anti-rootkit technology. It can be installed on Mobile security; it has also the facility of online Backup and anti-theft for Mobile. Also available for Linux, servers, Policy Manager, protect the message security gateway. F-secure developed the new technology through which new or unknown malware, which causes the changes in windows files and windows registry. F-secure teach the one semester course in university about new viruses and other technology. F-secure antivirus can also detect the backdoor.exe virus. F-secure also helping the authorities to catch the mafia or terrorist organization through their antivirus. K7 Antivirus: K7 is the first antivirus to build their own NST (Nano Secure Technology), has ability to protect the system at multiple layers. Which can detect and remove the existing threats and as well as future threats. It provides support browsing against attacks by the attackers, to steal the passwords or even your money. It also produces the various applications and antivirus for DOS. The basic feature are firewall, Anti-spam, Anti-Spyware tools, K7 mail security, security tools to detect the key loggers, Tracking Cookie detection, usb scanning, safe cloud base scanning. Kaspersky Antivirus: Kaspersky product designed to protect the users from malicious malware and other threats. It runs on different platforms and Linux version available only for business users. Its features include real-time protection, removal and detection of viruses, Trojans, worms, spyware, key loggers, backdoors, sql injection and many others. It also has the online helping facility to help and guide the user about their new products. Rescue disk facility is also available in Kaspersky. This scans the computer at boot time. The features which are not implemented in the antivirus program are personal firewall, AntiSpam and parental controls. Kaspersky uses the highly graphics to display the interface, so their system requirements are high. At early stages of Kaspersky, it has very crucial flaws in it, through which attackers can attack and run the piece of code to compromise the users pc. McAfee Antivirus: McAfee Antivirus is very powerful antivirus it is light weight. This Antivirus is the leading antivirus software in the security industry markets. This Antivirus have two features one is ScriptStopper second is WormStopper it automatically updater it virus definitions updates on the regular basis from internet network. Panda Antivirus: Panda Antivirus have Ultrafast new feature scanning engine as compared to other antivirus applications. This Antivirus have the Anti-Phishing filter Anti-Banking Trojans engines in the Identity protection area it have advanced heuristic scanning with personal firewall. ZoneAlarm Antivirus: ZoneAlarm Antivirus have very strong removal ability to destroy the dangerous viruses also having multilayered security. This Antivirus used less processer power of performance it used very low computer system resources. TrendMicro Antivirus: TrendMicro Antivirus is very popular antivirus, which mostly used for Spyware protection Adware protection from viruses. This Antivirus has some new features like Remote file locking sharing registry files. Sophos Antivirus: Sophos Antivirus includes the network access control, Anti-spyware etc this types of Antivirus are used for watching on the data supplying through monitoring tracking software means like upload videos. Rising Antivirus: Rising Antivirus is the Chinese Antivirus software it is used for UTM, spam-blocking firewall etc. This Antivirus basic function is BIOS rootkit checks. Vba32 Antivirus: Vba32 Antivirus programs are used in the personal systems it neutralizes viruses which infected or attack the computer systems on the real time. Linux Shield: Linux Shield is the Antivirus product used in the Linux operating systems to clean the viruses from Linux operating system Technology Highlights: There are many technology highlights such as : First Generation (Antivirus): The first generation of Antivirus software are based on the signature detection polymorphic engines. Second Generation (Antimalware): In the preview few years, new types of malware software are emerge file-less network worm etc are on the spotlight of the massive damage viruses are on the internet network. These problems can be solving by personal firewalls clear the signatures packet from viruses used smart clean Browser which will not infect the operating system with the spyware Trojans viruses. Third Generation (Proactive Technology): TruPrevent: This behavioral technology is used for research development of the technologies. It has two main function technologies: Behavioral of analysis blocking known computer system. (i). Behavioral Analysis: This Act as last line of defenses against new viruses which executing in the computer system it give real time results used behavioral category alone. (ii). Behavioral Blocking: This is the Second main component of the TruPrevent. It knew hacker viruses behavioral to attack system application by injecting with program codes into the computer system. Genetic Heuristic Engine: These technologies are inspired by the biology work as an organisms which individually identified by the other organisms. It based on the digital genes. This carries out new viruses harm things which going to infect or damage the computer system or operating system. Collective Intelligence (The Next Generation): Collective Intelligence used the approach which collect the objective of this technology in which after clean the computer system or operating system it automatically generated full report cleaning viruses report it much faster lightweight in the future. It protected your computer system 95% up to 98% it also give your infecting computer system percentage according to the report. It is also collect the data from the communities which can tell us about the behavioral patterns of the any programs files. It also have the information about higher visibility threats against viruses or active on the internet network it can be automatically do data processing on the computer system analyzes thousands of new samples which received every day from internet network it will not expired the data which infect by the new malware viruses. It automatically saved the data files from new old malware it also release the knowledge extracted from delivering to user on the web services updates i t. In this platform we can do collective intelligence technology or platform for online services designed to perform of the machines against malware viruses solve the security solution. It also gives corporate requirements information performance of the malware thats why we created a specific managed service called Malware Radar. Proof Point Virus Protection key capabilities: Viruses Protection key depend up on the efficient message analysis, Continuous business enterprise virus-detection updates, Integrated Administration reporting flexible policy management message disposition. Viruses protection key have the enterprise antivirus engine which gives good efficiently of the scanning messages attachments for new malicious codes which give fully proof point platform find new viruses definition which created the cloud-based Dynamic system which secure channel guarantees with proof point protection is already up to date than it will gives business enterprise with maximum detection against all viruses for IT administrators gives very importance to all antivirus enterprise of the proof point of the protection. It also used dynamic update service make for organizations.

Factors Affecting The Anodizing Of An Aluminum Metal

Factors Affecting The Anodizing Of An Aluminum Metal Anodizing is a process for producing decorative and protective films on articles made from aluminum and its alloys. It is essentially a process where a thick film of aluminum oxide is built up on the surface of the aluminum through the use of a direct current electrical supply. In the majority of anodizing plants in New Zealand it is carried out in an electrolyte bath containing sulfuric acid with aluminum sheet cathodes and the work to be anodized attached to the anode (Figure 1). When the current is flowing in the cell the following sequence of events is believed to occur. Sulfuric acid begins to decompose, the hydrogen ions moving to the cathode where they are reduced to hydrogen gas: 2H+ + 2e- à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ H2(g) (1) Simultaneously, negatively charged anions, i.e. hydroxide, sulphate and maybe oxide ions move to the anode. The electrical charge in the circuit causes positively charged aluminum ions (Al3+) to be generated in the anode and in turn move toward the cathode. At the anode surface they react with the oxide/hydroxide ions to form aluminum oxide (in the case of the hydroxide ion, hydrogen ions are released into the solution). There are two types of ions involved in any Electrolyte. The reactions take place and Anions and Cations are formed and transferred to the opposite ends of an Electrolyte. Anions are positively charged ions and Cations are negatively charged ions in an electrolyte. In chemistry, an electrolyte is any substance containing free ions that make the substance electrically conductive. The most typical electrolyte is an ionic solution, but molten electrolytes and solid electrolytes are also possible. Ion is a particle which is electrically charged either positive or negative; an atom or molecule or group that has lost or gained one or more electrons. An ion is an atom or molecule where the total number of electrons is not equal to the total number of protons, giving it a net positive or negative charge. An anode is an electrode through which electric current flows into a polarized electrical device. A cathode is an electrode through which electric current flows out of a polarized electrical device. Anodizing is a method of electrolytic passing to increase the thickness of the natural oxide layer of the surface of various metal parts. This process is called anodizing because the part which to be treated forms an anode electrode of the electrical circuit. Anodizing mainly increases corrosion resistance and provides better bond for paint primers and glues than bare metal. Anodizing is even used to prevent galling of threaded components and to make dielectric films for electrolytic capacitors. Anodic films are most commonly applied to protect aluminum alloys, although processes also exist for titanium, zinc, magnesium, niobium, and tantalum. This process is not a useful treatment for iron or carbon steel because these metals exfoliate when oxidized; i.e. the iron oxide, flakes off, constantly exposing the underlying metal to corrosion. Anodizing changes the texture of surface and also changes the crystal structure of the metal near the surface. Thick coatings are normally porous, so a sealing process is often needed to achieve corrosion resistance. Anodized aluminum surfaces, for example, are harder than aluminum but have low to moderate wear resistance that can be improved with increasing thickness or by applying suitable sealing substances. Equations of the anode reactions Al à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ Al3+ + 3e- (2) 2Al3+ + 3O2- à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ Al2O3 (3) 2Al3+ + 3OH- à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ Al2O3 + 3H+ (4) For which the overall process is: 2Al + 3H2O à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ Al2O3 + 6H+ + 6e- (5) The sulfate ions also play some part as the oxide coating contains 12 15% sulfate ions. It is suggested that the sulfate ions facilitate the movement of hydrogen ions reducing the cell voltages required. THE DEVELOPMENT OF THE ALUMINIUM OXIDE LAYER Fresh aluminum reacts readily with oxygen to produce aluminum oxide. Once formed the oxide remains firmly bonded to the surface forming an impenetrable layer. Consequently, further reaction ceases. The film is very thin (0.01m), and despite its tenacity it can be removed by abrasion and chemical corrosion. In such instances the aluminum is subject to wear or the surface will mark or become pitted at the site of corrosion. Anodizing produces much thicker coatings (12 25 m) which, if properly sealed, can extend the life of the surface appreciably. Recent research in New Zealand has shown that pitting of the surface can be reduced by up to 90% with a 12 m coating, and by up to 93% with a 25 m coating. In the initial stages (i.e. first 60 s) of anodizing the oxide layer formed is dense and of even consistency. It provides the greatest resistance to wear and corrosion and consequently is called the barrier layer. The growth of this layer ceases when the high electrical resistance of the oxide reduces the potential of the applied voltage in the electrolytic cell. The depth of the coating at this stage is about 0.08m. Subsequent growth is very slow and competes with the acid reaction: Al2O3 + 6H+ _ 2Al3+(aq) + 3H2O which releases Al3+ ions into the solution. Note that the H+ can be at high concentration near the oxide layer due to one of the anode reactions above. See equation (5). At low applied voltages only the barrier layer forms. However, the gradual production of Al3+ ions tends to smooth out the underlying metal surface and give a brightening effect to the article. Objects such as wheel trims and bumper bars are general treated in this way. At higher voltages the growth of the layer continues beyond the barrier layer. Unlike the initial barrier layer this secondary layer, although constitutionally the same, has an open pore-like structure; a consequence of the competing anodizing and acid solution processes. Electron photomicrographs reveal the structure of these anodized surfaces to be as shown in Figure 2. The conditions required to produce coatings vary according to the concentration and nature of the electrolyte, the voltage current density applied, the alloy being anodized and the temperature of the bath. In the majority of electrolytic plants articles are anodized at a potential of 15 20 V and a current density around 1.6 A d-1 m-2; the electrolyte is 3.5 mol L-1 sulfuric acid maintained at temperatures between 20 and 23oC. Under these conditions the quality of the coating is satisfactory for most applications. At higher electrolyte concentrations and temperatures, and at lower voltages or current densities, the acid solution process occurs earlier in the development producing thin, open oxide coatings. Conversely, hard dense coatings are produced at low temperatures and high current densities. The conditions established in each plant are determined by the type of application. PRE-TREATMENT Step 1 Cleaning Correct and adequate cleaning of the aluminum object prior to anodizing is essential if the finished work is to have a uniform and attractive appearance. When aluminum arrives from the rolling, casting or extrusion mills it may be soiled following ways: Carbonaceous deposits from the surface of forgings and die castings Traces of oil-based lubricants Traces of polishing compounds or sanding grits Oxide films from heat treatment Cleaning these soils from the surface may prove difficult, especially if the requirements of the work do not allow etching of the surface. Most cleaning solutions used in New Zealand operations are detergent based. In addition to the detergent, a wetting agent and a complexion compound may be used. The complexion compound frequently used is sodium polyphosphate a component of many soap formulations which prevents ions, such as Fe3+, adhering to the surface of the work. If etching is not a problem, sodium hydroxide or sodium carbonates (Na2CO3 / NaHCO3) may be added to increase the effectiveness of the solution. Step 2 Etching Etching is most often achieved by the use of a warm, 10 % (2.5 mol L-1) sodium hydroxide solution. It gives the surface of the metal a light grey satin finish (through diffuse reflection of the incident light). The vast majority of work is pretreated in this way. In theory the reactions occurring in the etching solution are: The etching reaction: 2Al + 2NaOH + 2H2O à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ 2NaAlO2 + 4H2 (7) Dissolution of the aluminates: NaAlO2 + H2O à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ NaOH + Al (OH)3 (8)   Dehydration of the solid hydroxide: 2Al(OH)3 à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ Al2O3 + 3H2O The rate of etching is dependent on the concentration of the sodium hydroxide solution, the temperature and the concentration of aluminum ions which are released into the solution. When high concentrations of aluminum ions are present the solution loses its effectiveness. Presence of other ions, some of which may be a component in the alloy, can also interfere in the process, causing blemishes to appear on the surface of the work. The problem of ion contamination is overcome by employing etching solutions which suppress the action of the Al3+ and other metal ions released. The compositions of these solutions are the propriety of the companies that develop them, but generally contain sequestering agents which complex metal ions. Such solutions do not have an infinite capacity to do this but, due to the carryover of solution by the etched work and periodic replacement by fresh etch solution, the etching batch is maintained in an effective condition (Figure 3). Foaming agents are also a constituent of the etching solution; their action is to reduce the pungent mists/fumes that result from the vigorous reactions that occur. It is important to note that the appearance of the end result is determined at this stage. Work which is poorly etched will reveal scratches or blemishes no matter how well it is anodized or colored. POST TREATMENT After cleaning and anodizing the work is colored and sealed. As all anodized work is sealed, sealing will be considered first, although if coloring is to be done it is carried out prior to sealing. Sealing Sealing is the process in which the pores at the surface of the oxide layer are closed off. It is affected by placing the anodized object in boiling water for a 15 20 minute period. During that time the water reacts with the aluminum oxide to produce the mineral Boehmite Al2O3.H2O or AlO.OH: Al2O3 + H2O à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ 2AlO.OH Boehmite is a hard, transparent material with a greater volume than the aluminum oxide. As it forms it closes off the openings of the pores. As would be expected, the durability of the anodized surface, especially in regard to chemical corrosion, is greatly influenced by the effectiveness of the sealing. If the duration of the sealing is too short the pores, although constricted, remain open for corrosion agents to be in close proximity to the aluminum surface. Corrosion studies have shown that anodized aluminum which has been sealed for 15 minutes or more has greatly increased resistance to pitting by chemical corrosion agents such as H+ and Cl-. Colouring Colouring involves the absorption of a coloured dye into the pores of the oxide coating which becomes fixed after the sealing process has been completed. Dyestuffs which can bond to the oxide or metal ions in the anodized layer have better colour properties than those that do not. Electrolytic colouring is the most important method of colouring anodised aluminum today. It produces attractive finishes of very great colour and heat fastness and is easy to perform. The anodized work is dipped in a tank containing coloured ions of other metals. Under the influence of alternating current the colouring agents deposit rapidly at the very base of the pores and the take is even over the entire surface. Unlike the process of dye absorption, electrolytic colouring is easy to control and gives uniformity of colour from one run to the next. The success of this technique is evident in the widespread use of bronze colored aluminum in joinery and house fittings. Approximately 66% of all bronze tinted aluminum is coloured by this technique. To a much lesser extent coloured inorganic compounds can be used to colour the work. Ammonium ferric oxalate is a very common compound used to impart a goldy colour to the metal. Other colours can be impacted by treating the absorbed ferric ammonium oxalate with other compounds: for example, potassium ferrocyanide solution will react with the ferrioxalate compound to produce a blue colour. The technique used is to dip the work firstly in a solution of the ammonium ferrioxalate followed by dipping the work in the potassium ferrocyanide solution. This double dipping technique can be used with other compounds to produce a variety of colours: e.g. copper sulfate followed by ammonium sulfide gives green, and lead nitrate followed by potassium chromate gives yellow. Experiment on Anodizing of aluminum Method Before the demonstration Line the inside of the sides of the 1 dm3 beaker with a double thickness of aluminum foil. Fill the beaker with sulfuric acid. This should be at about 25 C adjust the temperature if necessary. Set up the electrical circuit shown in the figure. Make up the dye solution according to the instructions supplied (i.e. dissolve the contents of the tin in about 600 cm3 of water) and add a few cm3 of glacial ethanoic acid. The demonstration De-grease the aluminum strip by rubbing with a tissue soaked in propanone and then dip the strip into a beaker full of propanone for short time and allowing drying. From now on, hold the aluminum by the top few cm only. Dip the bottom half of the aluminum strips into the sodium hydroxide solution in a beaker. Leave it until it begins to effervesce, indicating that the surface layer of oxide has been removed. (This will take about one minute.) Now remove the strip and dip the cleaned portion of it into the nitric acid for a few seconds to neutralize the alkali. Then rinse away the acid with water. Clamp the strip so that the lower, cleaned, section is immersed in the sulfuric acid electrolyte and is in the centre of the cylinder of aluminum foil which forms the cathode. It must not touch the cathode. Complete the circuit with crocodile clips making the aluminum strip positive and the foil negative. Now adjust the power pack and rheostat so that current flows which give a current density of 10 -20 mA cm-2 of anode area immersed. For example if the anode has an area of 3 cm x 3 cm immersed, the area will be 3 x 3 x 2 cm2 = 18 cm2 so the current should be between 180 and 360 mA (0.18 and 0.36 A). Leave to electrolyze for about 30 minutes, keeping an eye on the current and adjusting the rheostat if necessary to keep its value constant. (The current may tend to drop as the oxide layer thickens.) When the electrolysis is complete, switch off the power and remove the aluminum strip. Rinse the strip in water. It will not look very different at this stage. Now dip the strip into about 200 cm3 of the dye solution in a beaker. Make sure that some of the non-anodized part of the strip is immersed as well as the treated section. Leave for about 15 minutes longer immersion will produce a deeper colour. Some of those who trialed this demonstration left the strip in the dye overnight. Rinse to remove any dye which has not been absorbed. Dye will only be absorbed by the anodized section, which will turn a deep cherry red. If desired, seal the dye by immersing the dyed strip for a few minutes in water that is already boiling. This will make the colour less prone to rubbing off, but will wash out some of it. Many teachers may prefer to omit this procedure. Visual tips Large demonstration meters will be easy to see. Long connecting leads are useful to prevent the electrolysis tank becoming lost in a maze of wires. Teaching tips It would be wise to prepare something to fill in the half hour of electrolysis time and the 15 minutes dyeing time. The class could be asked to calculate the expected increase in mass of the anode or to discuss the chemical reactions involved. Have a selection of anodised objects such as saucepan lids available for the class to look at. The demonstration (No. 18) of the reactivity of aluminium without its normal oxide layer could be shown. Some teachers may prefer to anodise some aluminium before the lesson to have some pieces ready to show the class. Theory Untreated aluminium has a layer of oxide about 10-8 m thick. This explains its apparent lack of reactivity. Anodising, invented in 1923, is used commercially to thicken this layer to 10-5 m to improve the metals corrosion resistance. The relevant equations are: Cleaning: Al2O3(s) + 2OH-(aq) + 3H2O(l) à ¢Ã¢â‚¬  Ã¢â‚¬â„¢Ã¢â€š ¬Ã‚  2Al(OH)4-(aq) Once the oxide is removed: 2Al(s) + 2OH-(aq) + 6H2O(l) à ¢Ã¢â‚¬  Ã¢â‚¬â„¢2Al(OH)4 + 3H2(g) Electrolysis at the anode: 2Al(s) + 3H2O(l) à ¢Ã¢â‚¬  Ã¢â‚¬â„¢Al2O3(s) + 6H+(aq) + 6e- Electrolysis at the cathode: 6H+ (aq) + 6e- à ¢Ã¢â‚¬  Ã¢â‚¬â„¢3H2(g) Electrolysis overall: 2Al(s) + 3H2O(l) à ¢Ã¢â‚¬  Ã¢â‚¬â„¢Al2O3(s) + 3H2(g) The oxide coating develops a positive charge by the reaction: Al2O3(s) + H2O(l) à ¢Ã¢â‚¬  Ã¢â‚¬â„¢Al2O3H+(s) + OH-(aq). Thus it attracts dyes that contain coloured anions. These are absorbed in oxide layer which have pores, where they are trapped by heating the oxide to form an Al2O3.H2O seal. Extensions There are a great many variables in this experiment such as: electrolysis time, voltage, current density, concentration of electrolyte, temperature of electrolyte, temperature of dyebath and type of dye. Investigations of some of these could form interesting projects. It is possible to measure the gain in mass of the anode by rinsing the aluminium strip with propanone and weighing it immediately before and immediately after electrolysis. The Different of Anodizing And Electroplating Electroplating is a technique to plate some metal or non metal with metal using electric current. While anodizing is plate metal like aluminum by inserting some substance under the oxidized layer of aluminum by using of electric current force. The function and the effect of both process may the same, like have color surface so that can use as decorative purposes. Not all metal can use anodizing process but only certain metal can use this method to make endure to corrosion effect. Aluminum metal can be treated by anodizing because after electric current process make the aluminium have oxidized layer on the surface and this layer can have wide pore so that other chemicals like dye or prevented agent to be impregnated to enter this oxidized layer. After certain substance enter into this oxidized layer then by certain method the pore can be closed by further process. Actually by using just electric current will create anodized layer, but the problem this layer have no colour and look bad, to make this more interesting then on anodizing process using colour agent and inserted below the anodized layer. Electroplating is directly plate other metal into certain metal with the goal to make more interesting or make more endure to corrosion or from other outside effect. Like on hard chrome plating on screw driver, can make this surface hard and not easy to break if not plate by hard chrome. By nickel plating on other metal will make the surface is endure from reaction effect because nickel more noble than the metal below the nickel surface. Nickel plating usually use in canning process, or use in decorative accessories. Electroplating rely on the plate stick strong, more strong certain plating metal stick to the base metal is better. Electroplating Electroplating is plating to certain metal with other metal that is usually more durable from corrosion or stronger than original metal. The process itself use of electrochemical by which metal is deposited on the origin metal through the chemical bath. Usually using electrode pole that is connected to the negative and the other to the positive pole. Electrode on the negative pole is called as anode and electrode that connected to positive charge is called as cathode. Metal on the solution form will turn to positive ion and on the electrochemical process this ion will attract to negative electrode or to anode and will plate anode. So metal that will be plated is placed on the anode position. Electroplating is done in a plating bath which is usually a non-metallic tank like plastic or glass. The tank is filled by metal solution, which the metal kind will plate the anode. The anode is substrate to be plated which is connected to the negative terminal of the power supply. As we apply current, positive metal ions from the solution move towards anode with negative charge and deposit on anode. As a replenishment of these deposit ions, the metal from cathode will dissolve and goes into the solution and make the ionic potential balance. In the case using of noble metal like gold as cathode it is not sacrificial, but it is made out of materials which do not dissolve in an electrolyte such as titanium. Electrochemical Theory: Actually electroplating is based on the Faradays Laws that state as follows: The weight of a substance formed at an electrode is proportional to the amount of current passed through the cell. The weights of different substances produced at an electrode by the same amount of current are proportional to their equivalent weights. Corresponding mass in an oxidation-reduction reaction is = molar weight of the compound / algebraic change in oxidation number of the atom that is oxidized or reduced. 2 FeCl2 + Cl2 à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ 2 FeCl3 Fe valence is change on the reaction from +2 to +3. However on the reaction will: Mn + FeSO4 à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ Fe + MnSO4 Chrome Plating Chrome plating is a part of coating technology that use of electroplating process. Electroplating process itself can use many kind of metal like chrom, copper, nickel, silver or gold. The process of all metal is similar, that is use of DC electric current and using of metal solution. But the differences of all the process generally on the solution uses, concentration uses, current flow, temperature limitation, plating time and many other limitation that difference of each metal coating. Chromium plating is also different among the result purposes from the current flow, chromium concentration and other chemical additive that is use on each of chromium plating kind. The chromium plating such as hard chrome, dull chrom, black chrome and bright chrome. Every result goal needs different parameter uses that must be followed in order to get the result as the process goal. So chromium plating process needs strict control on the bath concentration, equipment precision and on the method uses. Any small substance contain on chromium bath can result a different kind of product. Anodizing aluminum This is an experiment showing interesting application of electrolysis. The oxide layer on aluminum foil is made thicker by anodizing which improves the metals corrosion resistance. In the process, the thickened oxide surface coating is coloured by using dyes. Lesson organization This works well as a class demonstration, but there are several tasks to complete in preparation. The anodising process itself takes about 30-40 minutes, with nothing particularly dramatic happening, so you will need to plan other activities to fill the time. At the start of the experiment, show the students the effervescence due to the hydrogen evolved from the cylindrical aluminum cathode. A flexi camera connected to a projector could be used here. During the anodizing phase, the theory could be explained with an emphasis on the applications of the process. A collection of anodized objects such as saucepan lids or sports equipment could be available to look at. A well-disciplined and organised class might be able to carry out this process for themselves (in twos or threes), but it is strongly recommended that the treatment with sodium hydroxide solution (Corrosive) prior to the electrolysis is carried out under strict supervision. Apparatus and chemicals Eye protection,Low-voltage DC power pack, adjustable up to 10 volts, Connecting leads and 4 crocodile clips Paper clips, plastic Test-tube holder, wooden, Paper tissues Strip of wood, 15 cm long Ruler (30 cm), Beaker (1 dm3),Beakers (250 cm3), 3Aluminum foil, approximately 40 cm x 15 cm, Congo Red dye (Toxic) Ethanol (Highly flammable, Harmful) Sulfuric acid approximately 2 mol dm-3 (Corrosive), 1 dm3, Sodium hydroxide, approximately 1.5 mol dm-3 (Corrosive), 250 cm3. Propanone (acetone) (Highly flammable, Irritant) Technical notes Congo Red dye (Toxic). Refer to CLEAPSS Hazcard 32. Ethanol (Highly flammable, Harmful). Refer to CLEAPSS Hazcard 40 (2007: 40A) Sulfuric acid approximately 2 mol dm-3 (Corrosive). Refer to CLEAPSS Hazcard 98 (2007: 98A Sodium hydroxide, approximately 1.5 mol dm-3 (Corrosive). Refer to CLEAPSS Hazcard 91.Propanone (acetone) (Highly flammable, Irritant). 1 Reasonably thick aluminium foil should be used, but, if unavailable, ordinary kitchen foil works quite well. 2 Propanone is needed to degrease the aluminium foil and it is worth keeping a bottle specifically for this purpose. The used propanone can be poured back into the bottle and kept for future use. This reduces waste disposal requirements. 3 The solid Congo Red dye needs to be made up into solution. Use 0.5 g of dye, 50 cm3 of ethanol and 50 cm3 of water and warm to dissolve. Dylon cold fabric dye (Camilla A 16) also gives good results. Red fountain-pen ink can be used as an alternative but does not give such good results. 4 Instead of a power pack, a battery or series of batteries could be used. Procedure HEALTH SAFETY: Eye protection must be worn. Before the demonstration a) Cut two pieces of aluminum foil, one 10 cm x 3 cm (the anode), the other about 30-35 cm x 12 cm (the cathode). Ensure that when the foil is folded into a cylinder it fits inside the beaker as shown below. Anodising aluminium b) Work in a fume cupboard and ensure that there are no flames close by. Work on a clean surface. Degrease the two pieces of foil by rubbing well with a paper tissue soaked in propanone and then dip the strips into a beaker of propanone for a few seconds. c) Remove the strips of aluminum from the propanone and allow drying. From this point on, only hold the aluminum foils at the top edges. d) Arrange the larger piece of aluminum into a cylinder. Fix it in position with plastic paper clips and then place inside the large beaker as shown in the diagram. e) Set up the strip of wood on the beaker and use Bluetak to attach two crocodile clips, one at the edge and one in the centre. Attach the outer clip to the aluminum cylinder. This is the cathode. f) Pour some of the cold sodium hydroxide solution (Corrosive) into a 250 cm3 beaker. Hold the smaller piece of aluminum foil with a wooden test-tube holder, and dip it into the sodium hydroxide solution. After a short while, hydrogen gas will be given off rapidly. Remove the strip after a few seconds of fizzing, and wash it in a stream of cold running water. g) Attach the aluminum strip to the central crocodile clip ensuring that it is arranged vertically (see diagram). This central strip (the anode) must not touch the aluminum cylinder. h) Carefully fill the beaker with the sulfuric acid from a measuring cylinder up to a level about 1 cm below the top of the aluminum cylinder. SAFETY: Remember that hydrogen (Highly flammable) will be evolved during the electrolysis. Keep all naked flames well away from the experiment (e.g. when heating the dye solution). Demonstration a) Connect up the circuit and use a voltage of 5-10 volt. Electrolysis is occurring when bubbling can be seen at the cathode (hydrogen). Pass a current for about 20 minutes, or longer, if time permits. b) While the electrolysis is running, heat the dye solution in a beaker to about 70 °C. An electric hotplate is preferable to a Bunsen burner. An additional beaker of boiling water will also be needed. c) Remove the central aluminum strip (the anode) and place it in the hot dye solution. Stir and leave for about 10-15 minutes. d) Transfer the aluminum anode to a beaker of boiling water and leave for another 10 minutes. This seals the dye onto the anodized surface of the aluminum and makes the aluminum oxide layer less porous. e) The upper non-anodized portion of the strip should be the original metallic grey colour whilst the rest should be coloured red. The aluminum strip can be dried in paper tissue and passed round the class. It should not be possible to rub off the dye off the surface. Teaching notes The demonstration itself The instructions may seem very detailed, but experience shows that success depends on getting the conditions just right. You should try out the experiment before carrying it out as a demonstration. It would be useful to have some sample strips of anodized aluminium to pass round. The voltage will drop during the experiment, since the anode is becoming increasingly coated with aluminium oxide. If a rheostat and voltmeter are used, the readings can be constantly monitored and adjustments made to keep the voltage approximately constant. A longer immersion in the dye will produce a strip with a deeper red colour. Leaving the strip in the dye overnight produces the best results. If time is short, omit the dye-sealing stage in boiling water. If there is time, a piece of the cathode could also be immersed in the dye. It will be found that the dye is not taken up by the metal in the same way. This is a good experiment to show students towards the end of their study of electrolysis. Chemistry points When a piece of aluminum is exposed to the air, it rapidly becomes coated with a protective surface layer of aluminum oxide. Heating the aluminum in air can make the oxide layer thicker, but anodising is much more effective. The oxide layer can be made to absorb dyes. This is useful in a range of everyday goods, such as kettles, window frames and some sports equipment, all of which need to be able to withstand extreme physical conditions. Untreated aluminium has an oxide layer about 10-8 m thick. This explains aluminiums apparent lack of reactivity in the laboratory. Anodising thickens this layer to about 10-5 m and dramatically improves the metals corrosion resistance. Oxygen is often evolved at the anode during the electrolysis of aqueous solutions. Aluminium is a reactive metal. The oxygen formed reacts immediately with the aluminium. It forms a solid oxide coating on the surface of the metal electrode. Theory for more able students For students working at a higher ability level, some or all of the following equations and explanations could be introduced: The cleaning process with NaOH: (1) Al2O3(s) + 2NaOH(aq) + 3H2O(l) à ¢Ã¢â‚¬  Ã¢â‚¬â„¢ 2NaAl

Childhood Poverty Essay -- Poverty Essays

We as Americans are extremely lucky. We live in a big country with many resources and almost all the luxuries we ever wanted. On the flip side, in America there are also many people who do not have these privileges. The lower class is a struggling class. For many years, people have been trying to pull themselves up from the lower class and the majority does not succeed. Childhood poverty is a large problem in the U.S. It is said that the poorest people in the United States are the children of the lower class. Childhood poverty could lead to a number of problems such as hunger, violence, physical and mental disabilities, educational problems, homelessness, family stress, sickness, and too-early parenthood. The sad truth is that living in poverty lowers a child’s chance to grow into a healthy, well-adjusted adult who will contribute to society. The number of people who are classified as the working class poor has increased. It has also been proven that work by itself will not keep a family out of poverty. As for government assistance for families in poverty, it has been decreasing. The government argued that families were not using all the services, which were available to them. In today’s society, the amounts of single-parent households are increasing and this is another reason for the existence of childhood poverty. Statistics show that children living in single-parent homes are five times more likely to be poor. More people are getting divorced and are also having children outside of wedlock. It has also been said that women rather than men head about 90% of single-parent families. One of the reasons why these particular families are so poor is because out of all divorced fathers, only 50% help support the... ...iggest and toughest job of you life†¦parenthood. Along with parenthood comes the largest amount of responsibility anyone has even been faced with. Their job is to raise their children, and show them the world. Everything is brand new to them, and as a parent, they are the ones who will be introducing their children to everything. The last thing any parent would want for their child is to have tem grow up in poverty. Every year we spend so much money to report to the public that there are children living in poverty. Why spend millions of dollars campaigning an issue which his already known worldwide? That money should be taken and used to help people lift their children and themselves out of poverty. Progress will not be made of we are just going to sit their and cry about it. Childhood poverty is a large issue, which has been and still needs to be dealt with.

Southern Culture :: essays research papers

Southern Culture   Ã‚  Ã‚  Ã‚  Ã‚  What is Southern Culture? Southern culture is made up of three main things. The South is known for its hospitality, language and food. Southern culture is like no other culture in the world.   Ã‚  Ã‚  Ã‚  Ã‚  Southern hospitality is the best in the world. People that live in the South are very nice and are always willing to help another person in any way they can. If someone is from out of town and needs directions to a certain place southerners will make sure he or she knows how to get there before he or she leaves them. Southerners are very polite. Every time we pass someone on the rode, we are going to wave at him or her. Towns in the South have fewer people and everyone knows everyone. The people in the South are nicer than anywhere else in the United States.   Ã‚  Ã‚  Ã‚  Ã‚  Language in the South varies according to which area someone is in and what the person’s ethnic background is. Most white people that live in the South have a country draw in their accent or talk very proper. Most black people in the South talk using Ebonics or are really proper, but some do have a draw in their accent. The other ethnic groups talk in their native language or in English with a distinct accent associated with their ethnicity. If one is in Southern Louisiana their accent will be Cajun. The language in the South is alike in most places according to the person’s race except in Southern Louisiana.   Ã‚  Ã‚  Ã‚  Ã‚   The South’s food is like no other places. The South's food has lots of spices in it and gives the food a wonderful flavor and most places food is bland. People in the South cook fried foods, seafood, and Cajun style foods. . The South has many dishes it is famous for crawfish, gumbo, fried chicken, and boudain.

Having Suffered A Heart Attack Health And Social Care Essay

This assignment ‘s purpose is, to give the reader a really precise apprehension of the medical journey, a male platinum aged 55 old ages of age named Matthew will travel through, after holding suffered a bosom onslaught ( acute myocardial infarction ) . That was diagnosed in infirmary five hours post patient ‘s initial symptoms while exigency intervention was being implemented. Information both via household and from medical professionals in respects to the platinum ‘s life style and the platinum ‘s consequences to allow medical appraisals, usher and find the way the platinum will medically venture down, towards recovery. Much of the information gathered about the platinum ‘s history will be subjective informations ; this significance information peculiar to our peculiar person that may or may non hold a bearing due to the exactitude, preciseness and proved current cogency ; the information is from the topic or topics household. Still the information mus t be considered. There will besides be information known as nonsubjective informations, intending information that is besides specific to the patient, but more precise, factual, mensurable, not opinionated and demonstrable from professionals in the medical field. The subject of pathophysiology will be explored in several facets associating to the platinum and giving ground to the platinum ‘s physical status and recent marks and symptoms. Management of the patient and his status, by single wellness attention professional ‘s and as collaborative squads and or squad in a holistic mode will be outlined and discussed. Finally of class the pharmacological sector of the platinum ‘s intervention will be delved into, to bespeak the rule characteristics and maps and possible side effects of medicines he was and may be prescribed. The subject of this assignment is highly of import and really relevant due to the current medical tendencies we have in Australia sing coronary art eria disease ( CAD ) , which is incorporated within cardio vascular disease ( CVD ) . â€Å" Cardiovascular disease ( CVD ) A is the taking cause of decease in Australia, accounting for 34 % of all deceases in Australia inA 2006. Cardiovascular disease kills one Australian about every 10 proceedingss. † . † ( Heart Foundation of Australia 30/05/09 ) . â€Å" It is estimated that about 4 % of the population over 45 old ages have chronic HF [ Heart Failure ] . Cardiovascular disease is one of the chief causes of decease in both Australia and New Zealand, the incidence dramatically increases with progressing age and, as the aged population additions, HF incidence and prevalence will increase. HF histories for about 2 % of all deceases and is the 3rd largest cause of cardiovascular-related decease. The life-time hazard of developing HF has been estimated at around 20 % for Western states. The addition in prevalence of HF in Australia and New Zealand has been attributed to the ripening of the population, improved endurance from bosom onslaught, and the increased prevalence of diabetes and fleshiness in the population and the wider usage of sensitive diagnostic engineering. † ( Brown & A ; Edwards 2ed. 2009 pg 883 )PATHOPHYSIOLOGYIn the bulk of bosom failure state of affairss, the left ventricle non working as it should, Cardio Vascular Disease ( CVD ) . â€Å" Three of the more common causes of reduced LV contractility include coronary arteria disease, aortal stricture and systemic high blood pressure † ( Phipps Sands & A ; Marek 6th ed.1999 pg 700 ) . â€Å" Systolic failure, the most common cause of HF, consequences from an inability of the bosom to pump blood. It is a defect in the ability of the ventricles to contract ( pump ) . The left ventricle ( LV ) loses it ‘s ability to bring forth adequate force per unit area to chuck out blood frontward through the hard-hitting aorta. † ( Brown & A ; Edwards 2ed. 2009 pg 884 ) Co ronary arteria disease lowers the Black Marias ability to contract through being the cause of less oxygenated blood being delivered to the chondriosome of the sarcostyles. In aortal stricture, where there is noticeable narrowing of the aortal lms the left ventricle demands to pump harder to acquire the needed volume of blood through the now limited valve. With systemic high blood pressure, where the overall blood force per unit area is already higher than norm, the left ventricle must supply more force per unit area than this overall blood force per unit area to win in pumping out its volume or at least a valid per centum. What finally happens when the left ventricle can non pump out the needed sum of blood ; is blood staying in the left ventricle causes extra blood to stay in the left atrium besides. The effect of excess blood is blood endorsing up into the pneumonic circulation. All this extra blood increases the force per unit area in the pneumonic capillaries coercing blood into the interstitium so the air sac compromising gaseous exchange. High pneumonic force per unit areas negatively effects the blood flow from the right ventricle to the lungs, ensuing in less blood being oxygenated aˆÂ ¦ a barbarous rhythm of deoxygenated blood easy hungering the organic structure of O and taking to an Acute Myocardial Infarction ( AMI ) . The authoritative marks and symptoms that was noticeable with the patient. Was being short of breath and being visible radiation headed after a really small sum of physical activity, which usually the platinum could accomplish without any emphasis. This represents a deficiency of O being circulated finally doing a rise in respiratory rate and visible radiation headedness due to low sums of O to the encephalon. â€Å" Dyspnea, an unnatural uncomfortable consciousness of external respiration, occurs when high pulmonary force per unit areas force fluid out of the pneumonic capillaries into the air sac. The fluid in the air sac interferes with effectual gas exchange. † ( Phipps Sands & A ; Marek 6th ed.1999 pg 702 ) â€Å" Dyspnoea ( shortness of breath ) is a common manifestation of chronic HF. It is caused by increased pneumonic force per unit areas secondary to interstitial and alveolar hydrops. Dyspnoea can happen with mild effort or at remainder † . ( Brown & A ; Edwar ds 2ed. 2009 pg 887 ) It makes sense that Matthew our patient was reported to holding felt nauseous and uncomfortable in his thorax after devouring his dinner. His digestive system would be necessitating oxygenated blood to map and his bosom evidently was non able to provide that. Hence feeling nauseated, due to the lessening in cardiac end product ( CO ) impairing perfusion to critical variety meats such as his tummy and bowels. Pain and or disfunction would be noticeable when the peculiar organ ‘s demands for more oxygenated blood additions. ( Brown & A ; Edwards 2ed. 2009. pg 887 ) An hr subsequently Mathew ‘s symptoms worsen, increasing in badness. His thorax strivings are much worse and are besides radiating down his left arm. â€Å" Heart Failure can precipitate chest hurting because of reduced coronary perfusion from decreased CO and increased myocardial work. Anginal-type hurting may attach to HF. † ( Brown & A ; Edwards 2ed. 2009. pg 888 ) During the execution of exigency interventions, Matthew was diagnosed as holding had an acute myocardial infarction AMI. Information was so gathered both via Matthew his household and via physical medical scrutiny.The information gathered by word of oral cavity through inquiries in interview from Matthew and his household are classified as subjective, of import but ca n't be proven without a shadow of a uncertainty. The information collected via the physical scrutiny is current and can be proven hence classified as aim. Either manner all the information can be categorised as modifiable ( M ) or non modifiable ( NM ) ; mutable or non mutable. The undermentioned appraisal findings are recorded and will now be identified as M or NM. These findings will play a function making the beginnings of a valid attention program. Data is as follows, ‘A history of coronary arteria disease, specifically high blood pressure ‘ This is really of import due to his past being now revisited may give us an thought as to what may hold happened and or a prevue of things yet to come. Data classified as NM because it ca n't be changed, you ca n't alter your yesteryear. ‘States he late stopped taking his antihypertensives as he ‘felt better † . This information decidedly has a bearing because non taking this medicine would raise Matthews blood force per unit area and increase his high blood pressure which in bend additions his Black Marias work load and perchance puting his bosom up to neglect ensuing in AMI. Data classified as M because it can be changed, Matthew could take his medicine. ‘Mother besides has high blood pressure ‘ . Proposing this status being inherited and the particulars of the high blood pressure may be similar, casting visible radiation on what is being dealt wi th by Matthew, perchance salvaging much valuable clip as to the way to be investigated. Data classified NM, because cistrons can non be altered. ‘States he is marginal diabetic ‘ Diabetes – Peoples with diabetes have a two to eight times greater hazard of bosom failure compared to those without diabetes. Womans with the status have a greater hazard of bosom failure than work forces with diabetes. Part of the hazard comes from the disease ‘s association with other bosom failure hazard factors, such as high blood force per unit area, fleshiness, and high cholesterin degrees. The disease procedure besides amendss the bosom musculus. ( Symptoms of bosom disease, n.d. ) Heart failure should, nevertheless, be suspected in anyone presenting with a history of new oncoming weariness, hydrops or shortness of breath. This is peculiarly the instance if the patient has a background of diabetes, chronicrenal damage, ischemic bosom disease, high blood pressure. ( Brady.S, n.d. ) This tells us, if true, that diet will be of paramount importance because diet is an of import direction therapy for both HF and Diabetes. Diet instruction and weight direction are critical to the patient ‘s control of chronic HF. The nurse or dietician should obtain a elaborate diet history, finding non merely what foods the patient chows and when but besides sociocultural value of nutrient. ( Brown & A ; Edwards 2ed. 2009. pg 894 ) Data classified as NM if Matthew is truly without uncertainty diabetic, that ca n't be changed but can be adapted to. ‘Overweight but late lost 5kg ‘ . Because it is, late lost 5 kilogram, it could be as a consequence of him being ailing, but from here onwards his diet will be an indispensable portion of his overall attention program. The diet will hold to be specifically tailored to decrease his fleshiness, and will besides hold to suit his diabetic demands it will likely hold to be low Na low fat and be alert of sugars, to ass ist him in respects to his HF position. Data classified as M, can and must alter. ‘Rarely exercises ‘ detrimental in respects to HF and how he got to where he now is, but his physical activity will hold to be minimised until he is in a healthier place, to so get down remodelling his life style with exercising, ( monitored of class ) , to better his wellness and understate the opportunities of HF re-occurring. Data M aˆÂ ¦very mutable, from inactive to active bit by bit. ‘Has smoked 15-20 cigarettes/day for the past 18 old ages ‘ . This would hold had an inauspicious affect on both Matthews ‘s pneumonic system and cardiovascular system ; smoking deprives the organic structure of O because blood will transport C monoxide in penchant to oxygen plus smoking destroys many of the air sac that absorbs the O for gaseous exchange therefore the lungs are absorbing less O overall for the organic structure, therefore holding damaging consequences on musculuss including the bosom. â€Å" Smoking surcease may non straight cut down BP, but markedly reduces overall cardiovascular hazard. The hazard of myocardial infarction is 2-6 times higher and the hazard of shot is 3 times higher in people who smoke than in non-smokers † ( HeartFoundation.2010 ) .Data M aˆÂ ¦Matthew can be helped to discontinue smoke this is modifiable behavior. ‘Has 3 teenage kids who are doing jobs ‘ This job is a stress direction job, there have been many surveies done, covering this affair and a Psychologist would be the best port of call to assist Mathew cover with this emphasis. â€Å" Family demands chiefly affect lovingness and supplying for kids of married employees. Number of dependent kids is an nonsubjective index of the degree of household demands ( Rothausen, 1999 ) . † ( International Journal of Stress Management 2008 ) Data M this subjective informations can be altered but more specifically can be adapted to by get bying mech anisms being applied aˆÂ ¦ ! ‘Recently experient loss of best friend and concern spouse who died from malignant neoplastic disease ‘ . Besides another emphasis get bying job needed, and would best be suited for a psychologist ‘s expertness. Even though the platinum ‘s nurse would likely hold more contact hours with the platinum aˆÂ ¦this is where wellness attention professionals can join forces, work together as a squad for the platinum ‘s ultimate end, of working better and perchance being discharged. Data M the heartache can be dealt with through a assortment of possible intercessions, so this state of affairs is non inalterable, it is decidedly modifiable. ‘ Oppressing substernal thorax hurting radiating down his left arm and giddiness. Pain mark: 9/10'.This is a text book description of what it feels like to be enduring from an Acute Myocardial Infarction as is described in many pathophysiology texts. â€Å" The hurting typically is terrible and suppression, frequently described as being compressing, smothering or like, â€Å" person sitting on my thorax. † The hurting normally is substernal, radiating to the left arm, cervix, or jaw, although it may be experienced in other countries. Unlike that of angina, the hurting associated with AMI is more drawn-out and non relieved by remainder or nitro-glycerine, and narcotics often are required. † ( Porth.C. 2007 pg 395 ) â€Å" Data M this hurting is a tell narrative that an Acute Myocardial Infarction is in procedure. This hurting is frequently mistaken for dyspepsia and is treated with hydrogen carbonate, alkalizers or even pain slayers which in bend could detain seeking professional medical attending. Siting the individual up with legs lower than the bosom, even swinging the legs may give some alleviation prior to medical attending geting. By understating the Black Marias work load via decreasing venous return. ‘Physical scrutiny ‘ Objec tive information is as follows. Diaphoresis, abruptly of breath and sickness. Diaphoresis [ sudating ] is sometimes due to wound or unnatural cells of the bosom motivating the production of pyrogen. This causes the hypothalamus to react to a higher set point, the hypothalamus initiates heat production behaviors ( shuddering and vasoconstriction ) hence the profuse perspiration, anxiousness the feeling of pending day of reckoning, I am certain plays a function in this excessively. â€Å" Many non-infectious upsets, such as myocardial infarction, pneumonic emboli, and tumor ‘s green goods febrility. † ( Porth.C.2007 pg 288 ) Short of breath or Dyspnea can be because of myocardial infarction oncoming because blood is endorsing up into the pneumonic system and holding an inauspicious consequence on the lungs [ alveoli ] being able to absorb O and interchanging it for C dioxide, which so makes one short of breath because O is low and even C dioxide is low so the trigger to d o one breath is besides non available Dyspnea in this instance is a respiratory manifestation † due to congestion of the pneumonic circulation and is one of the major indicants of left sided bosom failure. † ( Porth.C.2007 pg 426 Nausea is a feeling of unwellness aˆÂ ¦that is sometimes a precursor to purging. â€Å" Perform complete appraisal of sickness, including frequence, continuance, badness, and precipitating factors, to be after appropriate intercessions. † ( Brown & A ; Edwards. 2009. Pg1065 ) â€Å" Nausea often is accompanied by ANS manifestations such as watery salivation and vasoconstriction with pallour, sudating, [ perspiration ] and tachycardia. Nausea may work as an early warning signal of a diseased process. † ( Porth.C. 2007 pg 602 ) . Possibly even an acute myocardial infarction. Diaphoresis, Dyspnea and Nausea are all M, O therapy, cold compress, organic structure positioning i.e. sitting up – pillows support- take downing li mbs and giving antiemetic if ordered ; to modify these symptoms. The implicit in cause of the symptoms will depend on physician diagnosing perchance drug therapy or surgery.BP 165/100 mmHg – Pulse rate 120 beats/min – Respiratory rate 26 breaths/min.Bp is rather high this tells us that the force per unit area is high but the ground could be many, could be that the individual is by and large hypertensive, in the procedure of holding an episode of HF, or on drugs that are doing vasodialation of arterias or rushing up the bosom and many many more possible grounds, the most serious being HF. Pulse rate is besides really high this rate is such you would be anticipating the person to be running non at remainder ; the bosom would merely be working this difficult at rest if there was something incorrect, rather perchance oncoming of HF. Body non having adequate O ; musculuss, major variety meats, including encephalon being starved of O and finally the bosom being a musculus wo uld get down experiencing the effects. Respiratory rate is elevated besides, stand foring the organic structure seeking to do up an O debt. All these symptoms can be minimised and a certain sum of comfort can be achieved, so data classified as M. Through O therapy, stockings, take downing limbs and sitting up. O2 Impregnation: 94 % on room air. Is non improbably low but oxygen therapy via rhinal prongs would decidedly be good at no higher than 4 liters per minute to acquire O2 impregnation over 95 % . So this would be considered modifiable M. Electrocardiogram: A premature ventricular contraction with ST lift in anterior thorax leads V1-V3. Signifies a left front tooth wall myocardial infarction. This could mean that the left anterior falling coronary arteria is occluded

Analytical Report on Business Organization Essay

Diamond  Stars  Group  of  companies      From:      CEO   Myanmar  Imperial  Clinic  (MIC)      Date:      Subject:                                                      04th  April,  2013   Analytical  Report  on  Business  Organization    Executive  Summary   In  early  2009,  Myanmar  Imperial  Clinic  was  set  up  by  Myanmar  Medics  Co. ,  Ltd. Because  of  its   extensive   range   of   medical   services   and   accurate   diagnostic   tests   by   international   recognized   specialists  and  outstanding  clinical  staff,  it  was  famous  and  generated  profits  at  that  time. But  along   with   the   competition   of   high   investing   clinic,   lack   of   control   of   the   specialists   and   insecure   environment   of   the   staff,   the   organiza tion’s   performance   has   declined   in   2012. Therefore   the   reputation  of  the  clinic  gradually  goes  down. So  that  in  2013,  Myanmar  Medics  Co. ,Ltd. was  being   acquisition   by   Diamond   Stars   Group   of   companies   which   is   operating   in   various   industries   in   Myanmar. The  organization  will  be  reformed  by  the  encouragement  of  our  chairman. Profile   Name  Ã‚      Location         –  Myanmar  Imperial  Clinic  (MIC)     Ã¢â‚¬â€œÃ‚  Hledan,  Kamaryut  Township   –  8520  sqft   –  6  stories  building     Ã¢â‚¬â€œÃ‚  40  bedded  general  health  care  centre   ? 166  employees Compound  Size  Ã‚   Building  Ã‚   Type      Size Fifth  Floor Fourth  Floor Third  Floor Second  Floor First  Floor Ground  Floor Building  Information Ground  Floor   –  Reception,  Emergency,  Pharmacy,  Lab,   Cashier First  Floor  Ã‚   –  15  Outpatient  Rooms,  Waiting  Area,   Store Second  Floor  Ã‚   –  1  Operation  Theatre,  1  Labour  Room,   10  Inpatient  Rooms  for  OG Third  Floor  Ã‚   –  20  Inpatient  Rooms  for  Medicine  &   Child Fourth  Floor  Ã‚   –  1  Operation  Theatre,  10  Surgical   Inpatient  Rooms Fifth  Floor   – Clinical  Office    Proposal  for  the  Restructure  of  the  Organization   (1)  Long  Term  Plan/Strategy      Vision:  Ã‚  Ã‚   Being   a   provider   of   health   care   service   renown   for   compassion,   sympathy   and   respect   on   human  being  in  pursuit  of  own  healthy  and  well  being  state  by  applying  high  quality  tools   and   skilful   professional   in   ensuring   long   term   effectiveness,   MIC   stands   for   saving   your   money,  time  and  lives. Mission:   With   knowledge,   skill   and   passion,   we   all   do   value   and   respect   our   patients   and   clients’   desires. We  value  our  patients  as  the  way  we  value  our  professional. We  care  our  patients  as  the  way  we  do  to  our  family. We  practice  our  best  knowledge  in  our  work. Objectives:   To  increases  overall  satisfaction  rates  of  patients,  employees,  doctors  and  visitors. To  ensure  patients  receive  the  ultimate  care  and  medical  attention  to  bring  about  a  speedy   recovery. To  increase  range  of  services  for  customer  needs  and  demands. To  maintain  safe  and  hygienic  environment. To  achieve  99%  of  patient  Ã‚  feedback   To  provide  early  diagnosis  and  affective  treatment  to  all  clients  with  different  diseases. To  be  recognized  our  clinic  as  a  trusted  obstetrical  clinic  within  the  first  three  years. To  expand  our  service  in  diagnostic  and  treatment  year  by  year. To  improve  and  maintain  our  treatment  procedures  and  emergency  services (1. 1) ? (1. 2) ? ? ? ? (1. 3) ? ? ? ? ? ? ? ? ? 4   (2)Fundamental  Characteristics  of  Organization  Ã‚   (2. 1)  Old  Organization  Structure  versus  New  Organization  Structure   Our  organization  structure  allows  for  its  efficient  management. Here  is  the  l evel  s  of  management   and  the  activities  of  specific  departments  within  each  level. Old  Organization  Structure New  Organization  Structure 5   (2. 2)  Work  Specialization   To  achieve  competency  of  each  and  every  staff,  a  proper  and  distinctive  job  descriptions  is  vital. (2. 2. 1)  Marketing  Department  Ã‚   ? ? ? Survey  the  market  situation  and  changes  Ã‚   Analyse  the  customers’  feedback   Develop  Ã‚  marketing  strategies  and  mix (2. 2. 2)  Finance  Department   ? ? ? Manage  and  oversee  budgeting  Ã‚   Report   income   statement,   statement   of   financial   report   and   statement   of   cash   flow   to   executive  level   Manage  income  and  expenditure. (2. 2. 3)  Administrative  Department   ? ? ? ? Support  and  coordinate  the  operation  of  the  individual  department   Establish  hospital  policies  and  procedures   Perform  Ã‚  public  relations   Supervise   maintenance   service,   information   service,   housekeeping   and   transportation   services (2. 2. 4)  Human  Resources  Department   ? ? ? ? ? Perform  job  analysis,  job  description,  job  specification,  job  allocation  and  j ob  rotation   Recruitment   Training  and  development  Ã‚   Create  safety  and  pleasant  environment  Ã‚   Negotiate  with  the  visiting  specialists   HR  Planning (2. 2. 5)  Medical  Service  Department   ? ? ? ?             For   doctors   ? to   diagnose   problems,   prescribe   medicines,   be   ready   to   on   call,   to   make   regular  rounding  and  monitoring  patients   For  nurses  Ã¢â‚¬â€œÃ‚  to  emphasize  on  nursing  care  Ã‚   For  lab  technicians  ? to  support  with  accurate  diagnosis  and  to  maintain  medical  laboratory  Ã‚   equipment For  Pharmacist  ? to  monitor  the  storage  and  quality  of  drug 6   (2. )  Chain  of  Command   â€Å"An  unbroken  line  of  authority  that  links  all  the  persons  in  an  organization  and  shows  who  reports   to   whom†Ã‚  (Myanmar  Imperial  College  2013,  Pre? Master  Course  of  Business  Administration,  p? 60)   In   a   clinic,   a   proper   and   clarified   chain   of   command   is   the   fundamental   requirement   to   maintain   and  precede  medical  procedures. Within  the  clinical  departments,  all  the  junior  medical  doctors  must  report  information  concerning   with   patient   to   senior   medical   doctors. These   senior   medical   doctors   have   to   report   only   the   necessary  complaints  and  patient’s  conditions  to  the  principal  medical  doctors. Master  Course  of  Business  Administration,  p. 62)   On   the   clinic   side,   the   span   of   management   of   manager   ranges   from   10   to   20   while   the   administrative  side  the  span  of  management  is  less  than  10. Our  organization  require  less  supervision  because  of   ? ? ? Daily  work  procedures  of  medical  staff  are  quite  stable,  routine  and  repetitive  (eg. History   taking  and  clinical  examination  and  monitoring,  injection)   Staffs  are  concentrated  in  single  location  (e. g. If  the  staff  suits  with  his  current  position  and   if  he  does  not  want  to  shift,  we  will  maintain  his  place)