Best Presidential Memorial Day Quotes

Humanitarian, educator, and former tennis player Arthur Ashe once said, True heroism is remarkably sober, very undramatic. It is not the urge to surpass all others at whatever cost, but the urge to serve others at whatever cost. As Memorial Day approaches, spare a moment to think about the many soldiers who died fighting for liberty. American Presidents Speak on Memorial Day The 34th president of the United States, Dwight D. Eisenhower, expressed it beautifully, Only our individual faith in freedom can keep us free. As another American president, Abraham Lincoln, put it, Freedom is the last, best hope of earth. Lincoln steered the country through the Civil War, saved the Union and ended slavery. Who better to define freedom for us? These are some of the best Memorial Day quotes from American presidents. Read their words of inspiration, and understand the heart of an American patriot. John F. Kennedy Let every nation know, whether it wishes us well or ill, that we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe to assure the survival and the success of liberty. Richard Nixon, 1974 What we do with this peace—whether we preserve it and defend it, or whether we lose it and let it slip away—will be the measure of our worthiness of the spirit and sacrifice of the hundreds of thousands who gave their lives in two World Wars, Korea, and in Vietnam. This Memorial Day should remind us of the greatness that past generations of Americans achieved from Valley Forge to Vietnam, and it should inspire us with the determination to keep America great and free by keeping America safe and strong in our own time, a time of unique destiny and opportunity for our Nation. Peace is the real and right memorial for those who have died in  war. Benjamin Harrison I have never quite been able to feel that half-masted flags were appropriate on Decoration Day. I have rather felt that the flag should be at the peak, because those whose dying we commemorate rejoiced in seeing it where their valor placed it. Woodrow Wilson, 1914 I believe that soldiers will bear me out in saying that both come in time of battle. I take it that the moral courage comes in going into the battle, and the physical courage in staying in. Therefore this peculiar thing comes about, that we can stand here and praise the memory of these soldiers in the interest of peace. They set us the example of self-sacrifice, which if followed in peace will make it unnecessary that men should follow war any more. They do not need our praise. They do not need that our admiration should sustain them. There is no immortality that is safer than theirs. We come not for their sakes but for our own, in order that we may drink at the same springs of inspiration from which they themselves selves drank. Lyndon Johnson, 1966 On this Memorial Day, it is right for us to remember the living and the dead for whom the call of their country has meant much pain and sacrifice. Peace does not come just because we wish for it. Peace must be fought for. It must be built stone by stone. Herbert Hoover, 1931 It was the transcendent fortitude and steadfastness of these men who in adversity and in suffering through the darkest hour of our history held faithful to an ideal. Here men endured that a nation might live. An ideal is an unselfish aspiration. Its purpose is the general welfare not only of this but of future generations. It is a thing of the spirit. It is a generous and humane desire that all men may share equally in a common good. Our ideals are the cement, which binds human society. Valley Forge has come indeed to be a symbol in American life. It is more than the name  for  a place, more than the scene of a military episode, more than just a critical event in history. Freedom was won here by fortitude  not  by the flash of the sword. Bill Clinton, 2000 You fought for freedom in foreign lands, knowing it would protect our freedom at home. Today, freedom advances all around the world, and for the first time in all human history, more than half the world’s people choose their own leaders. Yes, America has made your sacrifice matter. George Bush 1992 Whether we observe the occasion through public ceremony or through private prayer, Memorial Day leaves few hearts unmoved. Each of the patriots whom we remember on this day was first a beloved son or daughter, a brother or sister, or a spouse, friend, and neighbor.   2003 Their sacrifice was great, but not in vain. All Americans and every free nation on earth can trace their liberty to the white markers of places like Arlington National Cemetery. And may God keep us ever grateful. 2005 Looking across this field, we see the scale of heroism and sacrifice. All who are buried here understood their duty. All stood to protect America. And all carried with them memories of a family that they hoped to keep safe by their sacrifice. Barack Obama, 2009 They, and  we,  are the legacies of an unbroken chain of proud men and women who served their country with honor, who waged war so that we might know peace, who braved hardship so that we might know opportunity, who paid the ultimate price so that we might know freedom. If the fallen could speak to us, what would they say? Would they console us? Perhaps they might say that while they could not know they’d be called upon to storm a beach through a hail of gunfire, they were willing to give up everything for the defense of our freedom; that while they could not know they’d be called upon to jump into the mountains of Afghanistan and seek an elusive enemy, they were willing to sacrifice all for their country; that while they couldn’t possibly know they would be called to leave this world for another, they were willing to take that chance to save the lives of their brothers and  sisters  in arms.

The Laws of the South, 1860s - 1024 Words

The beginning of a horrifying era, many would say. The disgusting nature of human cruelty, some today would not disagree with. Just because they are laws, are they correct? Separating humans from other humans because of skin tone may sound a bit ridiculous now, but from about the 1880s in to the 1960s segregation laws were enforced, leaving the colored men, women and even children away from and humiliated by the White man. The laws that were created forced colored or black people to eat in different places, drink from different water fountains, and even be incarcerated in different prisons. Enforcing the laws of African-Americans to be separated from any form of Caucasian person is usually referred to as the â€Å"Jim Crow† legislation, which†¦show more content†¦Afterwards the bill was signed very quickly by the Republican governor or the state, which after the Radical regime was placed into office. The reason for having or making such a bill was that most of the white members considered it be a concession for the Black people for the pain that they had endured during a more serious statute that discriminated against them in 1875. So supposedly it was created to make a confused legal situation a little more clearly. As a part of this legislation some carriers had their doubts as to what policies the company itself should need to come up with. All of this became to grow part of everyday life, where men, women of black colored skin would be given the choice of whether to not ride on trains at all, or have to deal with paying for first class and yet having to sit in the worst conditions parts of the train or anything they rode on. â€Å"†¦I have traveled in this free country for twenty hours without anything to eat; not because I had no money to pay for it, but because I was colored. Other passengers of a lighter hue had breakfast, dinner and supper. In traveling we are thrown in â€Å"jim crow† cars, denied the privilege of buying a berth in the sleeping coach. This monster caste stands at the doors of the theatres and skating rinks, locks the doors of the pews in our fashionable churches, closes the mouths of some of the ministers in their pulpits whichShow MoreRelatedThe Secession Crisis Of 1860-18611637 Words   |  7 PagesBetween 1846 and 1861, many events had impacts on the United States that lead up to the secession crisis of 1860-1861. Slavery had great impacts on the country, such as the economic effect of the South overestimating its importance due to the prevalence of slave grown cotton. Westward expansion had the social effect of the citizens of territories wanting statehood to get i nto arguments and civil wars due to popular sovereignty. States rights had the political effect of the southern states believingRead MoreThe Civil War And After The War Of 18121607 Words   |  7 PagesIndustrial Revolution, the South s cotton blast made slave plantations the focal point of the economy. The addition of new region and western development saw the fortification of American independence and of Manifest Destiny, the thought that Americans and the foundations of the U.S. are ethically better and Americans are ethically committed than spread these foundations. From 1800-1860, the separation of the North and South lead to many opposing viewpoints on national issues. By 1860, compromise was consideredRead MoreThe Civil War Essay631 Words   |  3 Pagesgrowing tension and sectionalism. The constant battle over slavery between the North and the South would leave the Union anything but united. No number of compromises could stop the significant indifferences between the Nort h and the South. Many events led to the horrific Civil War, but all of these events happened because of one reason; slavery.The Missouri Compromise, Fugitive Slave Act, and the Election of 1860 were the most significant of these events that led to the war. II. The Missouri CompromiseRead MoreThe Election Of 1860, The North And Southern States Of America1191 Words   |  5 Pages For years prior to the Election of 1860, the Northern and Southern states of America were growing apart. Problems decades earlier such as the South’s lack of railroads were coupled with more recent arguments concerning the future of slavery in America and whether it should be allowed in new territories. Following closely on the heels of many of these divisive problems was the Election of 1860, in which Abraham Lincoln won without carrying a single Southern state. Although it was not his intentionRead Moreâ€Å"Slavery Was the Dominating Reality in Southern Life.†Ã‚   Assess the Validity of This Generalization for Two of the Following Aspects of Southern Life from About 1840-1860:   Political, Social, Economic, and Intellectual Life.889 Words   |  4 PagesBetween the time period of 1840 and 1860, slavery played an influential and pivotal ro le in the development of a new southern lifestyle. In the struggle for dominance in America, slavery was the South’s stronghold and the underlying cause in much of their motives for many of the economic instigations along with the affirmative political actions. By dominating the everyday southerner’s life, slavery also dominated the economic and political aspects of life during the height of the slavery period.Read MoreWhat Or Who Is To Blame For The South’S Secession . Nanci1669 Words   |  7 Pagespaths taken within the economic improvement of North and South contributed to the animosity between the regions, the improvement of the Confederacy and the violence in ultimately, the victory of the Union. The Missouri Compromise of 1820 and the compromise of 1850, Kansas of 1854, and the battle of Fort Sumter all contributed to the secession of 1861. a lot had to do with where you were from the North or the South, being that the North and the South have had many d ifferences between them that have createdRead MoreEssay on Slavery Is The South682 Words   |  3 Pages Slavery is the South Essay #3 Slavery played a dominating and critical role in much of Southern life. In the struggle for control in America, slavery was the South’s stronghold and the hidden motive behind many political actions and economic statistics. By dominating Southern life, slavery also dominated the economic and political aspects of life in the South from 1840 to 1860. By the 1840’s and 50’s the Southern economy had almost completely become slave and cash crop agriculture based. WithoutRead MoreThe Freedom And Full Citizenship Of All African Americans907 Words   |  4 PagesLincoln was elected president in 1860 and because of this the south seceded and formed the confederate states of America. Shortly after, the civil war begun with the attack on fort Sumter and more southern states seceded. During the civil war Lincoln issued the emancipation proclamation that freed all the slaves in the states that seceded, this was the first step to the freedom and full citizenship of all African Americans. During the time of the civil war and reconstruction period constitutionalRead MoreSecession Of The United States1745 Words   |  7 Pagesstates in the south came to the conclusion that secession was the best way to escape the oppressive government. All of these southern states were justified as they felt that they were not being properly represented in the government and were seen as a joke. They were not taken seriously and they felt that since their votes didn’t matter anyway that their place in the union also didn’t matter. A large reason for the south’s secession revolves around the idea of slavery. All the south wanted was forRead MoreSeeing One Country as 2948 Words   |  4 Pagesprogress rapidly. The two dominant regions the North and South, looked like it would be bearable to work with each other and be able to discuss any problems with healthy debates. However as time progressed toward the 1860s, the North and South proved to differentiate among each other with few similarities. Economically, the North was based on manufacturing while the South was rural based. Socially, the North was generally anti-slavery while the South was pro-slavery. And lastly, politically, we see the

Assess the Usefulness of Functionalism for an Understanding of the Family Free Essays

Assess the usefulness of functionalism for an understanding of the family. Functionalism is a structural theory in that it believes that the social structure of society (social institutions such as economy, education, media, law, religion and family) is responsible for shaping us as individuals. Functionalists are interested in how the family functions for the greater good or society and in particular, how it contributes to maintenance of social order. We will write a custom essay sample on Assess the Usefulness of Functionalism for an Understanding of the Family or any similar topic only for you Order Now Functionalist’s view of families and households is mainly a positive view. In this essay, I will assess the understanding of families and households through a functionalist view. All over the world family life is differs by huge variation and diversity. But in the UK and according to functionalists who take the more traditional view of family believe it should be a small group of people living together, including the mother father and usually two or three children and are biologically related. The children should be the product of romantic love. A famous sociologist George Peter Murdock (1949) defines the family as: â€Å"A social group characterised by common residence, economic cooperation and reproduction. It should consist of adults of both sexes with at least two who maintain a socially approved relationship, which has created one or more children of their own. Therefore Murdock’s definition is based on the nuclear family – a stereotypical two-generation family made up of a heterosexual couple with dependent offspring. This definition was popular with functionalist sociologists who suggested that this is the ideal type of family which people should aim to have. Murdock’s four key functions are: Stabilisation/regulation of the sex drive (sexual) Reproduction of the next generation (reproductive) Socialisation of the young (educational) Meeting its members’ economic needs, providing food shelter etc (economic) Sociologists criticise Murdocks approach on the family saying it’s to ‘rose-tinted’, which means it’s all a bit pretty and wonderful and he ignores conflict that happens in the family. Feminists believe women are oppressed in the family and Marxists argue the family meeting the needs of capitalism, not the members and society as a whole. Parsons, there is a clear division of labour. According to his studies, the husbands has an â€Å"instrumental role†, he is armed for success at work so that he can provide for his family. Wives on the other hand have an â€Å"expressive role† where they are expected to emotionally support their husbands and children. The male role is economic breadwinner and head of household, whereas the female role is nurturing and childcare. Lastly, the family members receive nurturing and un-conditional love and care from the mother. This nuclear family type, as mentioned above, is seen as the ideal. We see this in wider parts of society such as the media who portray this in such things as advertisements, where there will be a family with a mother who is preparing the food, the male getting ready for work and two or three children. This is known as the ‘cereal packet family’. Functionalist see the family as a primary agent of socialisation, it teaches its members its culture by sharing common norms and values. So functionalist believes the family is crucial to order and created consensus. Another Functionalist, Talcott Parsons (1965) believes the family is a ‘personality factory’ who produces children with shared norms and values and has a strong sense of belonging to society. Another key point functionalists believe the family is crucial for is controlling society daily for example with marriage it keeps sexual relationships under control and monogamous. This is seen as socially acceptable when kept in a heterosexual marriage, so it stops chaos and disorder from unregulated sexual relationships. Parsons argues that a function of the family is that of a stress reliever for the male after a hard day of working, this is known as the ‘warm bath theory’ as all the hardships of modern working life is forgotten. Therefore functionalist sees the family as both beneficial for society and for the individual. But other sociologists such as feminists would argue this, as they believe the family is only serving the needs of men and oppresses women. According to Fran Ansley women are ‘takers of shit’ â€Å"When wives play their traditional role as takers of shit, they often absorb their husbands’ legitimate anger and frustration at their own powerlessness. † This would counter the warm bath theory and suggest males take their anger out on women, rather than see the family as a stress relief from their jobs. This could explain domestic violence. Parsons (1955) the family can perform many functions. The functions that it performs will depend on the needs of society. This is known as the ‘functional fit’ theory. Pre-industrial society = extended family (three generations living under one roof) Industrial society = nuclear family (just parents and dependent children). As society changed, the ‘type’ of family that was required to help society function changed. Industrial society has two essential needs which require a nuclear family to work: A geographically mobile workforce and a socially mobile workforce. Loss of functions ,Parsons also argues that the family in modern society has lost many of its functions as it has become a unit of consumption only (rather than also being a unit of production) This means that in modern society the nuclear family has just two essential or ‘irreducible’ functions: Primary socialisation of children Stabilisation of adult personalities. Sociologists such as Young and Willmott (1973) ; Laslett (1972) argue that the pre-industrial family was nuclear, which defeats all points made by Parsons and why a lot of people don’t believe his argument is very reliable. To conclude I believe that the usefulness of functionalism for understanding the family has become dated, every key point they make can be argued or disproved with actual statistics and fact. I believe it would have been more credible in the mid-1900s where gender roles where a lot more evident and accepted. Also they take the nuclear family as the norm, ideal and most apparent family type in modern society which Is false, and Michael Andersons (1980) research proves Parsons functional fit theory wrong, as the extended family was the structure best equipped to meet the needs of early industrial society, due to the benefits such as older kin looing after children whilst parents worked. Therefore I don’t believe functionalism is very useful to get an overall understanding of every aspect of the family. How to cite Assess the Usefulness of Functionalism for an Understanding of the Family, Papers

Sam Harts Youtube Page by Sam Hart free essay sample

Sam Hart, a musician located in the bay of California, can be found making a mixer of melodies on his well known Youtube page. Not only can he bring you to tears with some of his songs, but he can also make you feel like a million bucks with just one lyric. Probably most known for his song, Mario Kart Love Song, he also has some other great hits that can warm your soul. A couple fan favorites are his cute songs, We are Spoons, DayStar, and If You ask Me Too but he is very credited for his heart warmer, Come Home Yesterday. which will leave you thirsting for some ice cream and more of his songs. He does some great covers of Adele, Disney songs, and other random things. Plus some of his funny upbeat songs like, Your A Zombie Now, and the lovely, SuperHero Song! how can anyone resist an Asian with a great talent for music! But be warned, once you listen to his songs you might feel like doing very romantic things for another person. We will write a custom essay sample on Sam Harts Youtube Page by Sam Hart or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page

Hard Work Is the Key to Success free essay sample

I am writing this content only those who are fresh graduate and wondering full time or part time work. First of all, I say that graduation is not top part where you have reached. It is just first step. You should study post-graduation. If you do not do it regularly, you should study it through correspondence. Master degree is must before wondering full time work because next two years will give you more learning skills. Now, when you go for wondering work, you should remember that your hard work is the key of your success. No work is bad. There may be more quality in small work. Education increases our power to give better service. So, you can do your work from any small service. It may be the duty of salesman. It may be the duty supervisor or tutor. You do that duty with full of hard work. Sweat from your body is the sign that success is very near to you. We will write a custom essay sample on Hard Work Is the Key to Success or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page It may be possible that your familys financial condition is not good. I ask one question from you whether only to say this to other is sufficient. No, never! Nobody will give you any financial help. Nobody will give you money. Yes you can do labor. Yes you can sell the small products. Yes, you can do duty and earn money. This earned money can only support your family. This earned money can power to your family. Why are you wasting time just telling your weak family condition. Use same time to get new idea for hard work.

CMMI in Small Organizations essays

CMMI in Small Organizations essays The CMM implementation in small organization has been defined in a very practical way in this paper, presented by Dr. Richard Bechtold, President of Abridge Technology. This paper describes the process with which a typical small organization works and handles projects. Dr. Richard Bechtold defines small organization with different views from (i.e.) 25 or fewer employees, rapid changing projects with more than 200 employees, and organizations with very short term projects or several teams with fewer members. He describes how to minimize excessive effort to achieve level 2 standards by splitting them into easy to understand bullets and a few of them are Infrastructure, Project Scope, Defined Processes, Umbrella Project, Risk Management, Training, etc. These points are explained in detailed during the discussion of this paper. The synopsis of this paper is to guide a small organization to better understand and manage the projects they get into. This paper describes all the points an organization should follow to produce a quality product and keep their standard of development at the peak. As a new organization which does not implement the CMM levels, this paper describes in the very beginning how inefficient they can be. This inefficiency level speaks about how people are hired to do the work in an organization and why they are moved into different sectors of the organization. The paper also describes all the wrong implementation procedures which are followed by in-experienced small organizations. I very respectfully disagree with the point Dr. Richard Bechtold makes on the Infrastructure. He speaks about the Executive management agreeing to monitor direct or supervise the project due to lack of infrastructure (meaning people or human resources). The aim of a small organization is to be more profitable and go from the small business classification to big or large business classification. The fe ...

History of Terrorism in America Essay Example | Topics and Well Written Essays - 2000 words

History of Terrorism in America - Essay Example History of terrorism in the United States United States has a long history of terrorist attacks and this demonstrates that the act is not a new form of violence. Historical records attest that the practice originated about 2000 years ago when brutal Jewish factions such as Sicariii emerged (Bruce, 1999). Although the world had witnessed numerous brutal attacks on innocent civilians, the term â€Å"terrorism† was not used until 1794 during the French revolution. However, the initial meaning of terrorism was complementary, applied by the state to execute its mandate (Bruce, 1999). According to Burgess, (2003), the earliest recorded terrorist activity in the United States was in 1622. A native Indian group invaded Jamestown colony killing about a third of the total population during the attack. The colonial United States encountered numerous violent internal attacks and rebellions with characteristics of terrorism. The earliest recognized terror organization in the United States was Ku Klux Klan that was formed in independent United States in 1867 (Bryant, 2002). Initially, the group was pacifist but it comprised of racist white people. Nathan Bedford Forrest, formerly a confederate soldier was the first leader of Ku Klux Klan. In 1868 American elections, the group embarked on violence, threats and killing of black people and Republic Party supporters. The organization’s attacks on the innocent population during elections were highly influential in determining early voting pattern across the United States because the group was supporting the Democrats (Burgess, 2003). According to Bryant (2002), the Ku Klux Klan killed over 3000 people, mainly freed black slaves and moderate Republican Party supporters by the time the group reduced its activities and went underground in 1872. The early twentieth century experienced an increased number of terror attacks in the United States. According to Burgess (2003), President McKinley was murdered in 1901 by extre mists and in 1920 terrorists bombed the Wall Street, killing thirty and injuring over 300 people. Moreover, terrorists bombed Los Angeles times building in 1910, killing 21 people in the premises. The period between 1920 and 1960 recorded reduced terror attacks in the United States territory. However, the following decade experienced an increased terror attacks on America interests. This period was characterized by increasing application of the air transport to carry passengers along air routes connecting United States and other countries. The airplanes became new target for terrorists and in 1962, a continental airline plane crashed and then exploded in Missouri, US killing all 45 passengers on board. The American air safety authorities identified terrorism as the cause of the accident (Bruce 1999, p58) The 1960s experienced an upsurge of domestic violence in the United States. According to Casey (2004, p 47), the country witnessed increased violence from the youths who formed a ma jor component of the increasing civil rights movements that lobbied for the rights of minority and disenfranchised groups in the United States. From 1960s to the collapse of the Soviet Union in 1991, several anti-communist, leftists and ethno nationalist organizations emerged in the United Sta

Understanding Yourself as a Facilitator of Learning Research Paper

Understanding Yourself as a Facilitator of Learning - Research Paper Example This improved their cognitive level of effectiveness (Pappamihiel, 2002). I also had to serve as a facilitator in group discussions organized within the classroom environment when we used to communicate with each other in English but formally. Learners, in such an environment had a feeling of being watched and judged, which often made them nervous as well as over conscious, hindering their level of confidence. In addition, with one learner performing outstandingly in comparison with others, the slow learners used to get demotivated at certain instances. As the process used to affect learners’ confidence level massively, especially for the slow learners, I would term this process as ineffective lacking emotional and cognitive value attribution (Koulouriotis, 2011). Suggestively, I believe that interactive informal or semi-formal teaching method will be more effective for the adult learners who tend to obtain classes on English as their second language. Techniques that allow round-the-clock learning and learning through experiences will be most helpful I believe. It will not only ignite cognitive betterment and emotional strength for the non-English speakers but will also motivate life-long learning among them that will ensure in developing their respective skills continually, even after the conclusion of their courses. If given an option, I would never use the traditional text interpreting strategy for the learners, which makes the entire learning process ethically critical as well as often discouraging being highly monotonous in nature. In addition, such methods do not provide adequate opportunity to the learners to share their views that would in turn permit effective assessment of their cognitive and emotional developments. Therefore, I wil l try to avoid the mechanism in my learning approach (Cumming,

Consumer Behaviour Essay Example | Topics and Well Written Essays - 3000 words - 4

Consumer Behaviour - Essay Example According to Salvati (1999, p6), till a customer remains satisfied with the service, there are no major chances that he/she may drop or switch to another service provider. It is a fact that in a highly competitive atmosphere just as in the profit making sectors, customer loyalty is to be given a deep thought. Moreover, actions are to be taken to have a continuous improvement in the level of customer loyalty (Hsieh, 2002). This paper will deal with an important concept of brands and the Australian charities. The paper will be divided into two main parts; namely, Part A and Part B. Part A will deal with the simple literature of branding and a brand personality. The section will also deal with an overview of the Australian Charity. The overview of the Australian Charity Industry will allow a better understanding of the various players in the markets and the non – profit making sector as a whole. Part B of the assignment will deal with three advertisements/ marketing techniques that have been used by the Australian Charities to help build and develop a strong brand image and brand identity (Jobber, 2004). Each of the three examples that have been taken for this study will be studied on three main basis, a) the personality of each brand and what the brands can be characterized into, b) reasons why brands use a certain characteristic and who they aim as their target markets, and c) the possible chan ges and recommendations for change for the brands and their personality (Franzen & Bouwman, 2001). The Australian charity industry is a wide spread market with over almost 700,000 organisations with a wide range of activities that they deal with. These organisations range from different activities like environment conservation, youth assistance, help for the blind, or disabled, and several other activities. Most of the organisations that have been recognised by the government and the only ones that are

DBD-NTP Reactor Test for Degradation of Methylene Blue

DBD-NTP Reactor Test for Degradation of Methylene Blue Abstract: Electrical discharges generated at water-gas interface in a nonthermal plasma (NTP) reactor were utilized for the degradation and mineralization of a model aqueous organic pollutant methylene blue. NTP based advanced oxidation processes (AOPs) have presented a great potential to remove contaminants from wastewater. The degradation of pollutions will greatly depend on the active species generated in NTP process. It was observed that both degradation efficiency and mineralization of the pollutant increased on addition of metal oxide catalyst, hydrogen peroxide and Fe+2 to plasma reactor. It has been observed that methylene blue degradation followed first-order kinetics and degree of mineralization increased as a function of time. 1. Introduction The presence of aqueous organiccompounds in water may have adverse health effects on humans and aquatic organisms[1-4]. Wastewater, especially from paper, textile and pharmaceutical industries may contain highly hazardous and toxic compounds[5, 6]. Typical organic pollutants like pharmaceuticals, dyes, etc are toxic and may contain some non-degradable intermediates that may havea potential carcinogenicity and mutagenicity[7, 8]. One ofthe best practiced methods for remediation of these pollutants, adsorption, at best, may tranfer the pollutant to another phase, whereas, biodegradation may be time consuming [6, 9]. Ingeneral, mineralization of these pollutants is much desired. To achieve mineralization, advacned oxidation processes (AOPs) like photo-Fenton, photocatalytic, ultrasonic degradation and sonolysis combined with ozonolysis have been proposed[7, 10-14]. Yet another addition to AOPs is nonthermal plasmas (NTP) generated by electrical discharges. Non-thermal plasmas (cold plasma) are characterized by high electron temperatures (Te) and clod heavy particle temperature (Th). Due to the high electron temperature, the average gas temperature is much lower than that of the electron temperature. NTP based AOPs are gaining attention for remediation of gas and water bound pollutants and especially electric discharges at the water gas interface offers specific advantages like generation high energy electrons that may initiate the reaction, multiple oxidants for mineralization, mild operating conditions and possibility of scale up, etc.Oxidation of pollutant in AOPs proceeds via generation of one of the powerful oxidants, hydroxyl radical (OH, 2.8 V)that can mineralize a majority of the organic pollutants [15-18]. Plasma technologies have agreat potential and are widely used in a large number of technical applications like abatement of air pollutants, surface modification, lasers, etc[19]. The application of plasmas in environmental application has been growing at an exponential rate. Electrical discharges generated at gas-water interface may induce different physical and chemical effects like high electric fields, UV radiation, overpressure shock waves, and the formation of chemically active species [16, 19-22]. The interaction of the high energy electrons created by the discharge with the water molecules produces various reactive species, namely ions (H+, H3O+, O+, H, O, OH), molecular species (H2, O2, H2O2) and radicals (such as O†¢, H†¢, OH†¢) [6, 23-26].In addition, the hot electrons may have higher energy than the dissociation energy of water (5.16 eV) [6, 25,27]. However, even though the presence of UV light has been confirmed, direct photo oxidation of pollutant in water is very limited and among the active species; hydroxyl radical, atomic oxygen, ozone and hydrogen peroxide are the most important ones [28, 29].Thus electrical discharges may provide a capsule of oxidizing species with varying oxidation potentials. For example, OH†¢ radical, one of the most important oxidants, has a very short life time and is mainly generated from the direct dissociation of water molecules in the plasma region [30-32]. The presence of multiple oxidizing species provides various avenues to combine with catalysts. For example, once the presence of hydrogen peroxide (H2O2) is confirmed, addition of Fe-catalysts may facilitate Fenton type reactions. In a similar manner, in-situ decomposition of ozone on a suitable catalyst may lead to the formation of atomic oxygen, which has still higher oxidation potential than H2O2 and ozone. For the effective utilization of these short lived species, generally, metal oxide catalysts like Al2O3, Fe2O3, SiO2, TiO2, ZnO, etc are often integrated with NTP. These catalysts facilitate the in-situ decomposition of ozone, leading to the formation of atomic oxygen, which is a stronger oxidant to ozone. In general, nonthermal plasma reactors may be classified as the sub-atmospheric discharge reactors that demand a reduced pressure (radio frequency, microwave discharge,etc) and that are capable of operating at atmospheric pressure (Corona, dielectric barrier discharge, glow discharge etc). However, as the formation of these active species may depend on the reactor configuration[6, 33-35] it is worth mentioning the widely tested plasma rector models like corona discharge, dielectric barrier discharge (DBD), glow discharge, plasma jet, and gliding arc, etc. 1.1. Dielectric barrier discharge Dielectric barrier discharge (DBD) configuration is characterized by at least one insulating dielectric layers, which is placed between the electrodes. Its use in environmentalapplications can be tracked back to middle 18th century, when Siemens (1857) used it to generate ozone. The classical DBD configuration is illustrated in Figure 2. The advantage of DBD over the other dischargeslies inhaving the option to workwith NTP atatmosphericpressureandcomparatively straight forward scale-upto large dimensions. 1.2. Corona discharge Corona discharge is featured by relatively non-uniform electric field distribution, when compared to DBD, caused by the sharp edge or sharp point of its electrode. In general, one of the electrodes of corona discharge reactors is a needle or a thin wire that may provide a point to plate type discharge propagation. The electric field near the electrodes would be sufficiently higher than the rest of the discharge volume. The typical electrode configurations of corona discharge are illustrated in Figure 3. 1.3. Gliding Arc discharge The gliding arc (GA) is anunique non-thermal plasma that has relatively high plasma density, power and operating pressure in comparison with other non-equilibrium discharges. It has a dual character of thermal and nonthermal plasma, and can involve relatively high electric powers compared to the corona discharge. It is generated between two metal electrodes with a high velocity gas or gas–liquid fluid flowing between the electrodes. However, for environmental applications like decontamination of air and water pollutants, either corona or DBD is widely tested.DBD configuration has been reported as a promising technique for the removal of air pollutants [33][36-42]. [33][33, 34][33][33, 34]However, majority of the literature deals with treatment of air pollutants. Discharge in water is different to that in air due to differences between the characteristics of water and air[14][14][35]. As stated earlier, plasma generated at air-water interface is known to produce a variety of oxidants that are capable of mineralizing the target organic compounds. Among these oxidants, primary oxidants like ozone, H2O2 are important that may be converted to the secondary oxidants like OH radicals. 1.4. H2O2 production H2O2formation in NTP reactors was reportedwith a variety of feed gases (Ar,O2,air and N2) and interesting observation is that its formation takes place even in the absence of oxygen bubbling[58]. H2O2formation in the water for three model gases followed the order N22.Table 2 summarizes the selected reports that deal with quantitative information on H2O2formation and the corresponding reactions responsible for its formation are summarized below. It may be concluded that the feed gas may affect the formation of oxygen basedreactive species such as OH, O3, O and positive and negative charged ions like †¢O2+,H3O+, †¢O2, †¢O3-.. H2O2 formed by the following reaction (Equations 1-6). 1.5. Ozone production Ozone is yet another oxidant reported that has major applications during NTP abatement of pollutants. The ozone formation and the corresponding reactions of ozone are summarized in Eq. 7-12. Ozone reacts with organic compounds present in wastewater directly via molecular and indirectly through radical type chain reactions. Both reactions may occur simultaneously[35][35]. It is known that ozone reacts with unsaturated functional groups present inorganic molecules, leading the conversion of the pollutant [65]. Sim[35]plified reaction mechanism of ozone in aqueous environment is given in Eq. 8-12. Inaddition, NTP is known toproduce ultra-violet (UV) light due to excited nitrogen molecules present in air [15][33]. Therefore, in aqueous solution, UV light induced dissociation of H2O2 molecules may lead to the formation of hydroxyl radicals(Eq. 13) [66, 67][35]. Eq. 14-17 summarizes the pathway the possibilities in which ozone, H2O2 and UV light may induce the formation of various oxidants that can mineralize the pollutants. Discharges in water may also change the pH of the solution significantly, due to the formation of various inorganic and organic acids[6, 16, 21,68]. The formation of inorganic acids is a result of a series of reactions involving back ground gas like nitrogen, as shown in eq-18 to 23. It has been observed that pH of the solution decreases rapidly due to the formation of water soluble ions. As a result, conductivity of solution also increases significantly. 2. Degradation of a model dye methylene blue A schematic of the reactor used for these experiments are shown in figure X. The electrical discharge was produced in a parallel plane type coaxial NTP-DBD reactor by a high-voltage 0–40 kV AC source transformer (Jayanthi transformers). Quartz is a common material used as a dielectric, due to its excellent dielectric properties and its resistance to ozone. The reactor is a transparent quartz cylinder with an inner diameter of 19 mm and wall thickness of 1.6 mm. Silver paste painted on the outer surface of the quartz tube acts as the outer electrode, whereas a cylindrical stainless steel rod served as the inner electrode. The discharge length was 20 cm and the discharge gap was around 3.5 mm. 2.1. Effect of initial concentration and applied voltage Figure 4 presents the degradation of 100 ppm of a model pollutant methylene blue (MB)as function of time for different voltages at 50 Hz. Increasing voltage favor higher conversion, as conversion of MB improved 91% to 95% on increasing voltage from 14 to 18 kV after 25 min [15]. This may be due to the availability of more energetic electrons at 18 kV that may lead to higher degradation. However, degradation decreases with increasing the initial concentration. At14 kV increasing MB concentration from 50 ppm to 100 ppm decreased the conversion from 97% to 91%.A rapid increase in the degradation was observed during the initial stage of plasma treatment followed by a slow increase, probably due to competition between pollutant molecules and the intermediate products formed during the degradation. 2.2. Effect of discharge gap It is known that performanceof NTP reactors depend on the distance between the electrodes[69]. In order to understand this observation, during MB degradation, the electrode distance was varied between 1.5 to 4.5mm. As seen from the Fig.5, for 100 ppm MB degradation at 18 kV, in 25 min thedegradation reached 86, 89.5, 93.5 and 92%, respectively for 1.5, 2.5, 3.5 and 4.5 mm discharge gap, indicating the optimum discharge gap of 3.5 mm. A similar observation was made by Hao et al. who varied the electrode separation between 10 to 20 mm and after 15 min, the conversion of 4-chlorophenol (4-CP) decreasedwith increasing the inter-electrode separation. Approximately 78% conversion of 4-CP was obtained with 10 mm inter-electrode separation that decreased to only 45% with 20 mm. With a relatively larger inter-electrode separation, more energy is required for plasma channel formation, whereas optimum separation may also provide plasma-photochemical effects and subsequently a faster degradation of 4-CP. 2.3. Effect of feed gas Feed gas may also influence the degradation of the pollutants in NTP reactors. In order to understand this, degradation of 100 ppm of MB was followed at 18 kV by bubbling 200 ml/min of O2, argon and air(Fig. 6). As seen in Fig. 6, the MB degradation was 97.4, 53.2 and 93.4 %, respectively for oxygen, argon and air. The highest degradation of MB with oxygen and air may be due to formation of oxygen based active species like OH†¢, O3, O†¢, H2O2 and positive and negative charged ions like †¢O2+, H3O+, †¢O2, †¢O3.This observation is consistent with report by Du et al., for different feed gases, including air, oxygen, nitrogen and argon during the degradation of a dye AO7. The degradation during the plasma treatment is highest for oxygen and least with nitrogenbubbling [62]. 2.4. Effect ofNa2SO4 As explained earlier, electric discharges produce various reactive species. However, these species may not oxidize the pollutant. For example, the direct interaction of ozone with pollutant is may be ruled out. One of the ways of improving the performance is by adding suitable additives like metal oxides, carbon, ferrous ion and hydrogen peroxide, etc that may facilitate the secondary reactions leading to the formation of strong oxidants.Large amounts of sulphate are generally essential in the dye bath for successful dyeing, which results in high concentrations of sulphate discharge in the effluent. To examine the effect of Na2SO4 concentration on decolorization efficiency, 50 mg/L of SO4-2 in 100 ppm MB was prepared. The solution was treated at 16 kV applied voltage and the observed degradation was 97.5% against 93.5 % with plasma alone. The excess SO4-2 may react with the hydroxyl radicals to generate SO4-†¢which is more reactive than hydroxyl radicals. 2.5. Effect of H2O2 and Fe+2addition Many researchers have reported the formation of hydrogen peroxide (H2O2) and improved performance during the degradation of pollutants in NTP reactors.The prominent reactions with H2O2 may involve the homolytic fission of the O−O bond leading to theformation of reactive hydroxyl radicals with high oxidizing power (2.8 V). These hydroxyl radicals may attacks the organic pollutants to initiate the degradation.Hence presence/addition of H2O2 may increase the concentration of active OH†¢ and thus accelerate the degradation rate. As the present study confirmed the formation of 80 ppm of H2O2, influence of Fe2+was studied by adding 50 mg of ferrous sulphate. The addition of Fe+2 may facilitate the formation of à ¢- OH, à ¢- HO2 ,etc, via the Fenton reaction (Eq. (25)as shown below Addition of Fe2+ shows positive effect on MB degradation (96.5%), where the conversion of 100 ppm MB increased from 96.5% at 16 kV from 93% with plasma approach alone (Fig. 7). 2.6. Effect of metal oxide catalyst Ozone is one of the oxidizing species with high oxidizing power andis one of the important species formed in NTP.However, direct reaction of ozone with pollutant may not be effective and in order to utilize the potentials of ozone, often a catalyst is combined with plasma. In this context, oxygen deficient CeO2 catalysts are beneficial for ozone decomposition due to presence of defect induced vacancies. During the present study, addition of 100 mg of the catalyst to test solution increased the degradation to 99 % from 93.5 % without catalyst at 16 kV. It is reported that the improvement in the degradation efficiency with catalytic plasma approach is due to in situ formation of atomic oxygen that is capable of mineralizing pollutant due to higher oxidation potential (2.42 V) than ozone (2.07 V) [22]. It is known that many of the excited species produced in NTP are short-lived and addition of catalysts may either enhance the life time of short-lived species or/and facilitate the format ion of secondary oxidants. The catalytic decomposition of ozone may be explained as given in the following equations [15, 26]. 2.7. Mineralization of Aqueous Organic Pollutant The degradation of the dyes was followed by TOC (total organic carbon), which is an index of the pollutant concentration in the solution. TOC indicates the degree of mineralization of the target compound. The plasma treatment of dye solutions decreased the TOC with time and Table 1 presents the data on the decrease of TOC under different flow rates and voltages. The decreasing TOC with increasing treatment time indicated that the degraded organic carbon may be converted into CO, CO2 and H2O [26, 51][32]. [32]This accounts for a degradation process of the solute and consequently for the detoxication level of water. The CO, CO2 released during the reaction confirms that some amount of degraded dye was mineralized. However, during the present study, COX analyzer was utilized only for qualitative analysis. Pollutant + plasma (Active species) →CO + CO2 + H2O (35) 2.8. Energy efficiency The degradation efficiency may be better illustrated by the amount of pollutant decomposed per unit of energy (represented as energy yield). The energy yield of the degradation was calculated by using the following relation[15, 17,18], where C is initial pollutant concentration, V is the volume of the solution, degradation (%) is % degradation at time t, P is power and ‘t’ is time. It was observed that as a function of time the energy yield decreases and percent degradation increases. Increasing applied voltage increases the power and decreases the energy yield. Energy Efficiencies reported for plasma discharge processes are given in Table 1. For MB degradation, in presence of CeO2 catalyst and H2O2 the energy yield increased to 46.2 and 51.3 respectively, whereas, for plasma alone the value is 43.1 g/kWh for 100 ppm initial concentration at 16 kV. Feed gases also change the reactor efficiency as well as the energy yield, as with oxygen it is increased to 45.4, whereas, with argon it is only 14.41 g/kWh. 2.9. Degradation Kinetics During the plasma treatment of aqueous organic pollutants it has been observed that concentration of pollutants in solution decreases with time and the degradation followed first order kinetics. The rate constant was calculated based on Eq-7[45, 68, 70,71]. ln(Ct / C0) = –k1t (24) where Ct, C0, and k1, are the concentration of Aqueous Organic Pollutant for a given reaction time, initial concentration, and first-order rate constant (min-1), respectively. 3. Conclusions A DBD-NTP reactor was tested for the degradation of 100 ppm methylene blue. It was observed that the optimum discharge gap was 3.5 mm and addition of hydrogenperoxide improved the performance of the reactor, probably due to the formation of hydroxyl radical via Fenton reactions. Increasing voltage leads to higher conversion, and catalyst addition increased both conversion and mineralization of the dye.

A Rhetorical Analysis of Article in Medical Journal Essay -- Literary

Family Psychoeducation for Schizophrenia has previously been supported in treatment recommendations and guidelines for best practise in hospitals. In their review of 15 new studies in the area, Lisa Dixon M.D (University of Maryland), Curtis Adams M.D (University of Maryland) and Alicia Luckstead M.D (University of Maryland) reinforce support for family psychoeducation for schizophrenia. The review â€Å"Update on Family Psychoeducation for Schizophrenia† aims to persuade the readership of the effectiveness of family psychoeducation and its remaining relevance. This is achieved in manner of ways. Credibility of the study is established a number of rhetorical techniques. These include using the author’s professional affiliations, citations from expert authorities, use of statistics, acknowledgment of limitations and comparison. Language and structure of the article are also discussed as rhetorical techniques used to enhance the authors arguments. â€Å"Update on Family Psychoeducation for Schizophrenia† was published in the March 2000 issue of the Schizophrenia Bulletin by Oxford Journals. Schizophrenia Bulletin is written for medical academics specialising in the field of Schizophrenia and assumes a background understanding of the field. However it is aimed at â€Å"the widest possible audience† (Oxford Journals, para 2, 2012) and thus seeks readership of those involved in the field, in a less medical nature also. The article begins by establishing the credibility of the authors. Their professional competency is established through the acknowledgement of their professional affiliations. These professional affiliations and subsequent status increases their credibility in terms of their authority and knowledge on the subject. Lisa... ...yout of the article also further enhanced the author’s argument, in following AMA guidelines. This method of presentation, of the author’s beliefs allowed for succinct informing of the reader. The efficacy and relevance of Psychoeducation and why it should ensure Psychoeducation's place in best practise hospital guidelines is competently argued and clearly presented throughout the article . Reference List: Dixon, L., Adams, C., & Luxsted A. (2000) Update on Family psychoeducation for Schizophrenia. Schizophrenia Bulletin, 26 (1) 5-2. Lehman, A. F., Lieberman, J. A., & Dixon, L. B. (2004) Practice guideline for the treatment of patients with schizophrenia, . American Journal of Psychiatry, 161 (2) 1 -56. Oxford University Press. (2012) About Us. Retrived 2012, May 10 from http://www.oxfordjournals.org/about_us.html