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Topic: Radical addition

	Encyclopedia :: encyclopedia : Addition (Site not responding. Last check: 2007-10-20)
		Addition (or summation) is one of the basic operations of arithmetic.
		Another generalization of addition is a linear combination, where each term in the sum has a multiplier from some given set, usually either the set of real numbers or the set of complex numbers.
		Thus in addition to being part of the interval-4 family, C-E is also a part of the sum-2 family (with G♯ equal to 0).
	www.hallencyclopedia.com /Addition (1246 words)

	biology - Free radical
		In the upper atmosphere free radicals are produced through dissociation of the source molecules, particularly the normally unreactive chlorofluorocarbons by solar ultraviolet radiation or by reactions with other stratospheric constituents.
		Free radicals play an important role in a number of biological processes, some of which are necessary for life, such as the intracellular killing of bacteria by neutrophil granulocytes.
		Because free radicals are necessary for life, the body has a number of mechanisms to minimize free radical induced damage and to repair damage which does occur, such as the enzymes superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase.
	www.biologydaily.com /biology/Free_radical (1021 words)

	Articles - Free radical (Site not responding. Last check: 2007-10-20)
		In chemistry, Radicals (often referred to as free radicals) are atomic or molecular species with unpaired electrons on an otherwise open shell configuration.
		Persistent radical compounds are those whose longevity is due to steric crowding around the radical center and makes it physically difficult for the radical to react with another molecule.
		The free radical theory of aging proposes that free radicals underly the aging process itself.
	www.ibxn.com /articles/Free_radical (1378 words)

	Carbon nanotube - Wikipedia, the free encyclopedia
		Additionally, no other growth methods have been developed to produce vertically aligned nanotubes.
		September - Researchers demonstrated a new way to coat MWNT's with magnetite which after orientation in a magnetic field were able to attract each other over a distance of at least 10 micrometres.
		The nanotubes were functionalized with negatively charged carboxylic acid groups in an AIBN type free radical addition.
	en.wikipedia.org /wiki/Carbon_nanotube (4208 words)

	Free
		Free radical addition Free radical addition occurs when a peroxide is present in an alkene.
		As free radicals bounce around inside of cells, their...
		Free Speech Movement The Free Speech Movement was a radical student movement began on the campus of the free speech.
	www.brainyencyclopedia.com /topics/free.html (5028 words)

	Urea CAS Nr 57-13-6 as Used in Inipol EAP 22
		with photochemically produced hydroxyl radicals with an estimated
		photochemically produced hydroxyl radicals in water and urea is reported
		addition, all pesticides must meet the new safety standard of the Food
	www.valdezlink.com /inipol/pages/urea.htm (8202 words)

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