| free radical |
A highly reactive molecule used to start the production of a polymer chain.
출처: www.fisicx.com/quickreference/science/glossary.htm...
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| free energy |
a thermodynamic state function; the free energy change (deltaG) in any reaction is related to the enthalpy and entropy:
출처: www.cartage.org.lb/en/themes/Sciences/Chemistry/Or...
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| free radical |
a highly chemically reactive atom, molecule or molecular fragment with a free or unpaired electron. Free radicals are produced in many different ways such as, normal metabolic processes, ultraviolet radiation from the sun, nuclear radiation and the breakdown in the body of spoiled fats. Free radicals have been implicated in aging, cancer, cardiovascular disease and other kinds of damage to the body, (see antioxidants).
출처: www.medaus.com/p/147.html
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| Frederick |
well-informed concerning the alliances of the powers and knowing that Russia and France were not in condition to take the offensive against him in 1756, decided to take his enemies by surprise. 5
출처: www.bartleby.com/67/662.html
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| frequency |
The lines per inch (lpi) in a halftone screen.
출처: www.rockprint.com/dictionary.shtml
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