英德
有道
百度
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维基
百科
极性基团 [jí xìng jī tuán]
[化学] polar group
- 合成了一种集较强极性基团和表面活性基团为一体的油溶性降黏剂。
This paper synthesized a kind of oil-solubility viscosity reducer including polar groups and surface active groups. - 着色力差的无极性基团聚丙烯膜和尺寸稳定性差的编织带不可作为条形码标志的承印物。
Coloring is low of non polarized numberrepresentationof polypropylene film and dimensional stability poor fitting is not as a substrate of bar code labels. - 结果表明，通过电子束辐照可在HDPE分子链上引入含氧极性基团，使HDPE的表面自由能增大，极性增强，与水的接触角减小。
The experimental results show that polar groups (mainly carbonyl group) are introduced into the molecular chains of HDPE during electron beam irradiation, the polarity of HDPE is thus increased.
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