| noble gas |
any of the chemically inert gaseous elements of the helium group in the periodic table
출처: wordnet.princeton.edu/perl/webwn
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| noble metal |
any metal that is resistant to corrosion or oxidation
출처: wordnet.princeton.edu/perl/webwn
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| noble metal |
Chemically inactive metal (such as gold). A metal that does not corrode easily and is much scarcer (and more valuable) than the so-called useful or base metals. Also see base metal.
출처: www.nsc.org/ehc/glossar1.htm
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| noble metal |
(1) A metal whose potential is highly positive relative to the hydrogen electrode. (2) A metal with marked resistance to chemical reaction. particularly to oxidation and to solution by inorganic acids. The term as often used is synonymous with precious metal.
출처: www.ntu.edu.sg/home/asjqiu/corrosion/J-Q.HTM
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| noble metal |
A metal that does not readily tend to furnish ions and, therefore, does not readily dissolve nor easily enter into such reactions as oxidations; the opposite of a base metal.
출처: www.wmrc.uiuc.edu/main_sections/info_services/libr...
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