They are sometimes difficult to differentiate from aromatic or olefinic absorptions.
有時它們就難于和芳香族或烯烴的吸收峰相互區(qū)別.
辭典例句
Preferred activated olefinic groups are ( meth ) acrylates and especially acrylates.
首選激活烯組 ( 甲基 ) 丙烯酸酯和丙烯酸酯,尤其是.
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Hydroformylation of the olefinic atom economic method th introduce new functional group in the oil compounds.
而通過雙鍵的氫甲?；磻?yīng)引入新官能團(tuán)能為油脂的化工利用提供了一條廣闊的道路.
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Activated olefinic bond Amine, thiol radical initiator, cationic initiator, dienes ( Diels - alder reactive ).
活性烯鍵胺, 巰基,引發(fā)劑, 陽離子引發(fā)劑, 烯烴 ( 的Diels-Alder反應(yīng) ).
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