Various types of Fuel Cells and their working By : Divykant Vishwakarma 03996404910 EEE 2nd shift S.No. 14 Fuel Cell A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction with oxygen or another oxidizing agent. Hydrogen is the most common fuel‚ but hydrocarbons such as natural gas and alcohols like methanol are sometimes used. Fuel cells are different from batteries in that they require a constant source of fuel and oxygen/air
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The effects of alcohol on military service members Military service members are not immune to the harmful effects of Alcohol in their personal life’s. Studies have shown‚ Soldiers tend to abuse the use of Alcohol to the extent of becoming addicted to the harmful substance due in part to the stressor’s they in contour in their working environment. Alcohol is a substance that has been abused by the general public since its origin‚ but in recent years’ studies have shown the increase abuse by military
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The thought of alcohol being involved in fatal crashes brings about an emotional response. Recently‚ there has been a movement based on emotion rather than logic to change a certain drinking and driving law. This involves lowering the Blood Alcohol Content (BAC) from 0.10% to 0.08% nationwide. However‚ this attention is misdirected. By looking at my personal experiences‚ statistics‚ and current laws‚ it is clear that there is no need for lowering the BAC. First off‚ I do not drink. Yet‚ I’ve had
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CELL INJURY: CAUSES OF CELL INJURY‚ MECHANISMS OF REVERSIBLE AND IRREVERSIBLE CELL INJURY. CELL INJURY. Causes of cell injury range from gross mechanical external causes to mild endogenous causes as genetic lack of enzymes etc. Virtually all forms of tissue injuries start with molecular or structural alterations in cells. Under normal conditions‚ the cells are in: ❖ homeostastatic „steady“ state Normal cell is confined to relatively narrow range of functions and structure by
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Drinking and alcohol Hello teachers‚ friends‚ and fellow students. Today I will talk to you about how drinking and alcohol are affecting our society and daily life. About 3 fourths of Canadians consume alcoholic beverages every day. Although alcohol is one of the most consumed beverages in Canada and the U.S other than water‚ it has the worst effect on human beings as any other beverage. Because of this I will talk about how alcohol affects your body‚ advertising campaigns of alcoholic beverages
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Drugs and Alcohol Essay Underage drinking has been a growing problem for as long as alcohol has been in existence. Now with rising prices of alcohol‚ drugs are becoming the cheaper option for a night out. Therefore the use of drugs by teens is becoming a rapidly growing problem and this combined with underage drinking is having major effects on the young adolescents of Australia. Money urgently needs to be spent on finding a way to improve these growing problems‚ then more money needs to be spent
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Deonte Anderson Alcohol and Pregnancy A pregnant woman’s lifestyle ultimately affects the development of her baby. Excessive exposure to alcohol during pregnancy can inflict serious‚ permanent physical and mental damage on her child. When a pregnant woman drinks alcohol she is making her child drink also. In knowing how Fetal Alcohol Syndrome can be prevented‚ what the symptoms are‚ and who and what make up the risk factors fetal alcohol syndrome can be better understood.
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Bacterial cells are Prokaryotic cells. These cells have several internal structures and surface structures. The cell walls are of two types‚ gram positive and gram negative. Out of all the structures‚ the two selected structures are the cell- wall and endospores. The cell- wall of bacterial cells is found in three distinct shapes such as spherical‚ spiral and rod shaped. The cell wall of the bacterial cells is composed of the proteins and polysaccharides. This is collectively called peptidoglycan
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Alcohol Abuse in Teenagers Underage alcohol abuse is a growing problem in the lives of teenagers today. Almost 80% of high school students have tried alcohol (Dowshen). To effectively combat this growing epidemic‚ teens need to understand the effects of consuming alcohol‚ and adults need to recognize the problem and effectively prevent alcohol abuse. Though many teenagers do not realize it‚ alcohol can significantly affect a teen’s life‚ including short-term impacts on the teen’s popularity and
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Marijuana vs. Alcohol Everyone that lives in California knows that there is a drug war going on in our state. In America today‚ marijuana is the most commonly used illegal drug. On the news or newspapers you see stories being done on the raided medicinal marijuana clinics. Even though pot is legal to the state‚ the FDA doesn’t approve of it‚ and will tear down any major clinics they find. I feel as though this is unfair. There are multiple people with green cards‚ and need marijuana for illnesses
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