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Search results 811 - 820 of 1233 matching essays
- 811: Analytical Chemistry
- ... upon using beams of electrons or other particles to excite a sample to emit radiation, or using radiation to induce a sample to emit electrons. In conjunction with the related techniques of mass spectrometry and X-ray or neutron diffraction, spectroscopy has almost completely replaced classical chemical analysis in studies of the structure of materials. Classical chemical procedures such as determination by volume as in titrations is also used. A titration ...
- 812: Five Against The World - Perl Jam
- ... video celebrated a cathartic live performance of the song. In an early "Los Angeles Times" review, writer Chris Williams had even compared the song to the Who's "My Generation." Today, "Alive" is a Gen X rallying cry, but tonight, sitting in the Nitelite, Vedder reveals the true meaning of the song. "Everybody writes about it like it's a life-affirmation thing - I'm really glad about that," he says ...
- 813: Helen Keller
- ... bill provided federal funded reading services for the blind. She also became the vice-president of the Royal National Institute for the Blind in the United Kingdom in 1932. In 1935 she helped enforce Title X in the 1935 Social Security Act. This recognized the blind as a group to receive federal grant assistance. After the bombing of Pearl Harbor in World War II, Helen supported President Roosevelt's decision to ...
- 814: Herman Melville
- ... an appointment as a customs inspector on the New York docks finally brought him a secure income. Despite poor health, Melville began a pattern of writing evenings, weekends, and on vacations. In 1867 his son Malcolm shot himself, accidentally the jury decided, though it appeared that he had quarrelled with his father the night before his death. His second son, Stanwix, who had gone to sea in 1869, died in a ...
- 815: The Human Genome Project
- ... to separate the fragments. Gilbert pioneered a technique known as gel electrophoresis. This technique (when an electric current) causes the DNA fragment to pass through a gel substance. Exposure of the DNA fragments to an X-ray film allows the fragment and the chemical code to be identified. Accomplishing the idea of being able to alter the genetic composition of a cell opened up many possibilities, other then to use this ...
- 816: Radon
- ... to humans and the general welfare of all. When radon is used under controlled conditions it has benefits for human and animal health and the overall population. Radon is used in the medical community through x-rays for diagnosing serious illnesses and determining less serious conditions such as broken bones. Radon is used chiefly in the treatment of cancer by radiotherapy. It is also valuable to scientists in the fields of ...
- 817: Mexican Grey Wolf
- ... marijuana tars aren't at all. Winters found that a pack-and-a-half-a-day smoker of tobacco is exposed to 8000 mrem of radiation a year, equal to the dose of 300 chest x-rays. A more recent study indicates that a pack-and-a-half-a-day smoker receives 16000 mrem of radiation more than a non-smoker, annually. It could also be noted that the mere contents ...
- 818: Nuclear Power
- ... convince the public that the nuclear supporters and groups like BEIR (Biological Effects of Ionizing Radiation) lied about their findings of the number of deaths caused by radiation to be zero. He goes through a x-ray radiation experiment where he finds the data of the BEIR committee to be off, but still doesn't prove that their data on radiation deaths is wrong. In the second essay, Dr. Cohen tells ...
- 819: Integrated Software Application
- ... computer, they should know whats on it. However, if you had ever run a BBS before, which I do, you'd know that its hard, if not impossible to know whats on your computer. Planet-X, my friend John Morse's BBS, which I co-run, has 50 calls a day. Of those 50 calls, about 35 of them upload or download software. Neither one of us is constantly monitoring the ...
- 820: Wavelength of 10 or Higher and 11 down. Gamma Rays are produced in labs
- ... death of the stars along with the creation of solar flares. Astronomers have studied gamma rays to gain a better understanding of the astronomical process. Gamma rays are a form of Electromagnetic radiation similar to X-rays. Gamma rays carry millions of electron volts. As gamma rays pass through matter, They lose energy, But at the same time Knock electrons loose from the atom which ionizes them. Uranium and other naturally ...
Search results 811 - 820 of 1233 matching essays
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