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Search results 141 - 150 of 1458 matching essays
- 141: Oxygen
- ... of breaking down food molecules completely, muscle cells switch to a form of partial breakdown that does not require oxygen (anaerobic respiration) so that they can continue to generate energy. This partial breakdown produces lactic acid, which results in a sensation of fatigue when it reaches certain levels in the muscles and the blood. Once the vigorous muscle movements cease, the body breaks down the lactic acid, using up extra oxygen to do so. Panting after exercise is an automatic mechanism to 'pay off' the oxygen debt. Lactic acid or CH3CHOHCOOH organic acid, a colorless, almost odorless liquid, produced by certain bacteria during fermentation and by active muscle cells when they are exercised hard and are experiencing oxygen debt. An accumulation of lactic ...
- 142: Poetry 2
- ... I be a pretty angel? All angel's are beautiful,so lend a gown and I'll earn my wings so I can find my place in the sun. And when it's time for rain, all of us angel's will gather around and shed a tear for every problem we've had. As the sunlight reaches my fingertips, which dance upon my soul my heart, its paid this estacy ... of that day so much, that it still feels my heart with pure bliss so take your limping soul, be brave and walk right by and think of my tears, showering your pain, every time rain falls from the sky I hate the way we communicate I dont feel worthy to breath in you precence hold my hand I wont let go because I'm falling You stand there in my ... you are Dont look into my eyes like that dont speak in that one tone let me sleep You never felt bad when my Dad died I felt for your fish Choke down your battery acid the only thing that keeps me from being healthy I love your nicknames I hate our song sure you cant catch popcorn in your mouth I miss my innocence I can watch a half ...
- 143: John Haigh
- Pathway Home Articles Vampire Facts Who Is John George Haigh? Who Is John George Haigh? The Acid Bath Vampire In the halls of vampiric crime, few names stand out like that of John George Haigh. Half a century ago, England's newspapers screamed, "Vampire!" The trial of "The Acid Bath Vampire", one of England's most infamous serial killers, was about to begin. Haigh grew up in Wakefield, England. His parents were deeply religious members of a faith called the "Plymouth Brethren". In order ... He drained the fresh corpse (William Donald McSwan) of enough blood to fill a cup, and drank it. To dispose of the body, Haigh placed it in a tub and proceeded to pour buckets of acid over it. When the remains had been reduced to sludge, he poured the rest down a manhole in the workshop floor. That night set the pattern for the future. Victim after victim was killed ...
- 144: Hemp
- ... an excess of chemicals, and will turn yellow and fall apart as acids eat away at the pulp. This takes several decades, but because of this publishers, libraries and archives have to purchase specially processed acid free paper or coating sprays to protect literature. This is a very expensive endeavour. Paper made naturally from hemp is acid free and will last for centuries. It is estimated that one acre of hemp would replace an entire four acres of forest while, at the same time, this acre would be producing textiles and rope ... photosynthesis would convert that carbon dioxide back into oxygen. This biomass can be converted to fuel in the form of clean-burning alcohol. Unlike fossil fuels, hemp does not contain sulfur, a major cause of acid rain. We could save our oil reserves and reduce our trade deficit without offshore drilling, strip mining, oil spills or nuclear radiation. By developing hemp, the most productive energy crop for Canada's climate, ...
- 145: Hemp...A Help For Today
- ... for fiber: A field of closely spaced hemp is allowed to grow until the leaves fall off. The hemp is then cut down and it lies in the field for some time washed by the rain. It is turned over once to expose both sides of the stalk evenly. During this time, the hurd softens up and many minerals are returned to the soil. This is called "retting", and after this ... in today's paper, it will turn yellow and fall apart as acids eat away at the pulp. This takes several decades, but because of this publishers, libraries and archives have to order specially processed acid free paper, which is much more expensive, in order to keep records. Paper made naturally from hemp is acid free and will last for centuries. Why can't we use trees? The chemicals used to make wood chemical pulp paper today could cause us a lot of trouble tomorrow. Environmentalists have long been ...
- 146: Come Home
- ... Steinhardt Conservatory The Steinhardt Conservatory is a $25 million complex holding BBG's extensive indoor collection in realistic environments that simulate a range of global habitats. The Tropical Pavilion, 65 feet high, re-creates a rain forest complete with a waterfall and streams. Flora from the Amazon Basin, African Rain Forest, and tropical eastern Asia thrive here. The Helen Mattin Warm Temperate Pavilion houses plants from central China, the Mediterranean, Australasia, southern Africa, and the western U.S. The Desert Pavilion holds spectacular plants from ... Green Inheritance (3 - 9): introduces students to some of our more useful plants, such as those from the grass family, and coffee and chocolate; Environmental Issues (7 - 12): an intermediate workshop covering topics like pollution, acid rain, global warming, and endangered habitats. Students will learn how they can be part of the solution, and they will even make compost; Under the Sun (3 - 9): explores the fascinating plants of the ...
- 147: Arthur Kornberg
- ... Dr. Goldberger emerged as one of the greatest vitamin hunters. During Kornbergs stay at the institute, from 1942 to 1945, his work contributed to the isolation of another vitamin in the B complex, folic acid. He always felt that he had come to the nutrition research in its twilight, decades too late to share the excitement and adventures of the early vitamin hunters who had solved riddles of diseases that ... s lab. He was luckier in his second attempt at enzyme purification. He joined Ochoa and Alan Mehler, who was a graduate student, in studies of a certain liver enzyme and its effects upon malic acid. Alan Mehler became Kornbergs devoted tutor. At the end of 1946, while working side by side with Ochoa, Kornberg overturned a cylinder, which had a domino effect that destroyed the entire experiment. Returning the ... for a more formal instruction in the subject. Kornberg became intrigued with bacteria as a source of enzymes for his research. In particular, he became interested in biosynthetic pathways for the building blocks of deoxyribonucleic acid (DNA). It was also in 1953 that James Watson and Francis Crick reported their discovery that DNA is a pair of chains spiraling about each other-a double helix. Within two years of Watson ...
- 148: Nuclear Power
- ... a semi-continuous process that enables the following operations to be carried out with the same equipment: evaporation of the waste solution mixed with the ------------------------------------------------------------ 1) borosilicate: any of several salts derived from both boric acid and silicic acid and found in certain minerals such as tourmaline. additives necesary for the production of borosilicate glass, calcination and elaboration of the glass. These operations are carried out in a metallic pot that is heated in ... pellets coated with ferrous oxide and maintained at a temperature of 500 C. In the treatment of liquid wastes, the condensates collected contain about 15% ruthenium. This is then concentrated in an evaporator where nitric acid is destroyed by formaldehyde so as to maintain low acidity. The concentration is then neutralized and enters the vitrification pot. Once the vitrification process is finished, the containers are stored in a storage pit. ...
- 149: Africa 2
- ... of 3 percent a year. The average population density is only 55.5 per square mile (21.4 per square kilometer), but this is misleading because much of the land is almost uninhabitable desert or rain forest. Roughly one third of Africa's total land area is devoted to agriculture, but in nearly half the countries less than 6 percent of the land is cultivated. Geologically, Africa is the oldest of ... associated with the movement of air masses, caused by the seasonal warming and cooling of different parts of the Earth as it rotates around the sun. In the Northern Hemisphere, or north of the equator, rain falls from April to September. In the Southern Hemisphere, it rains from October to March. The exceptions are the equatorial regions, which have year-round rainfall; the extreme north and south of the continent, which ... the equatorial regions. The savanna areas receive moderate rainfall. In the deserts rainfall is uncommon, but when it does occur it usually comes in the form of heavy downpours. In the savanna and desert areas rain falls mainly in the summer months; winters are almost completely dry. Because of the differences in rainfall between one part of the continent and another, the vegetation is also widely varied. In the areas ...
- 150: Alchemy
- ... difference between them is according to the proportion of these substances in their composition. Further, all the products of minerals present in their composition complete identity with those substances most opposed to them. Thus fulminating acid contains precisely the same quantity of carbon, oxygen, and azote as cyanic acid, and "cyanhydric" acid does not differ from formate ammoniac. This new property of matter is known as "isomerism". M. Figuier's friend then proceeds to quote support of his thesis and operations and experiments of M. Dumas, ...
Search results 141 - 150 of 1458 matching essays
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