1) volatile impurity
挥发性杂质
2) organic volatile impurities
有机挥发性杂质
1.
Objective To establish a method for the determination of organic volatile impurities in cellulose acetate by headspace gas chromatography(GC).
目的分析乙酸纤维素中有机挥发性杂质。
3) light volatile impurities
容易挥发的杂质
4) Volatile compounds
挥发性物质
1.
Inhibition of postharvest volatile compounds release by preharvest acibenzolar-S-methyl(BTH) treatment on muskmelons(cv.Yindi);
采前苯丙噻重氮处理抑制厚皮甜瓜采后挥发性物质的释放
2.
The volatile compounds of“ Dajie”apricot juice and its fermented juice were extracted and identified with solid- phase micro extraction (SPME) and gas chromatography-mass spectrum (GC-MS).
采用固相微萃取法(SPME),结合气相色谱-质谱(GC-MS)技术手段对产自甘肃景泰条山农场的兰州“大接杏”杏汁及其发酵汁的挥发性物质进行了检测分析。
3.
Objective To identify the volatile compounds of Indigofera bungeana and study its antibacterial effects.
方法通过水蒸汽蒸馏萃取法和超临界萃取法提取了本氏木兰中的挥发性物质,并利用气相色谱一质谱来确定挥发性成分,采用归一化法得出组分百分含量。
5) volatile substances
挥发性物质
1.
Determination of volatile substances in leisure salami;
休闲色拉米挥发性物质的测定
2.
The water distillation-extractor was used for extracting the volatile substances of white P.
报道了用蒸馏-萃取法提取白胡椒果挥发性物质,测得白胡椒挥发油的含量为4。
3.
Direct distillation extraction method (DDE) and simultaneous distillation extraction method (SDE) were used for extracting the volatile substances of fruit in Zizyphusjujuba Mill.
报道了用蒸馏 萃取法和同时蒸馏 萃取法提取酸枣果肉中挥发性物质 ,测得两种方法提取的酸枣果肉挥发油含量分别为 1。
6) volatile
[英]['vɔlətaɪl] [美]['vɑlətḷ]
挥发性物质
1.
Comparative analysis of volatile compounds from different host plants of Anoplophora glabripennis (Motsch.).;
光肩星天牛不同寄主树种挥发性物质的比较分析
2.
Effect of Bagging on the Volatile Constituents and Contents of Yali Pear;
套袋对鸭梨果实内挥发性物质的影响(初报)
3.
The volatile components in the fresh and weak needles of Pinus kesiya var.
经GC-MS分析,思茅松新鲜针叶和衰弱针叶的挥发性物质的含量具有很大差异。
补充资料：双性杂质（amphotericimpurity）
双性杂质（amphotericimpurity）
有些杂质在同一半导体中既可起施主作用，又可起受主作用，这种杂质称为双性杂质。杂质的双性行为的起因可以不同。一种情况是双性杂质在晶格中只占据一种位置，但能给出或得到电子而起施主或受主作用，对于这种情况一般受主能级在施主能级之上，因为只有杂质尚未给出电子时才谈得上接受电子。另一种情况是杂质在晶格中占据不同的位置，施主和受主分别由所占据的不同的晶格位置决定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条