氮瀝青 的英文怎麼說
中文拼音 [dànlìqīng]
氮瀝青
英文
nigrite-
It will melt in a certain range of melting points, but it has no definite melting point. soft pitch has no thermal effect when solidified
瀝青組分極為復雜,大多數為三環以上的芳香族烴類,還有含氧、氮和硫等元素的雜環化合物和少量高分子炭素物質。Reactions incorporating nitrogen and phosphorus into the asphaltenes are particularly significant at a time when the effects on the environment of many materials containing these elements are receiving considerable attention
將氮氣和磷混合成瀝青的化學反應尤為重要,因為含有這些元素的物質對環境造成的影響正受到嚴重關注。
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