出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/06/20 18:06 UTC 版)
Nitriding is a heat treating process that alloys nitrogen onto the surface of a metal to create a case hardened surface. It is predominantly used on steel, but also titanium, aluminum and molybdenum.
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a nitrate
窒素肥料.
アマオブネ科
neritids
重窒素.
nilgais
katydids
a paste-pot
the circulation of nitrogen
the vitreous humour
a syphilitic (patient)