2) fraction of less polarity
弱极性馏分
1.
We have studied the distribution of organic components in the fraction of less polarity in total particulate matter and cigarette gas isolated from four kinds of cigarettes made at Lanzhou.
用柱色层族组成分离方法和Mass Chromatograph技术对4种兰州香烟的烟丝、总粒相物和总气相物中的弱极性馏分进行分析研究,结果表明:内在品质高的香烟,其烟丝、总粒相物和气相物中脂肪酸甲酯相对含量高,总气相物中稠环芳烃的含量低,由此可作为判识卷烟内在品质以及检测卷烟优劣的指标。
4) four-polar fraction
极性四组分
1.
The emulsibility of toluene model-oils with 2% four-polar fractions from Luojia ultra-heavy oil reservoir in Shengli oil field with formation water and alkaline water has been studied through emulsion transmittance and interfacial tension before and after adding OP emulsifier.
通过乳状液透光率和界面张力考察胜利油田罗家超稠油极性四组分质量分数为2%的甲苯模型油加OP乳化剂前后与地层水、碱水的乳化性能,发现乳化剂对四组分都起到了强烈的乳化促进作用。
补充资料：弱弱联合
弱弱联合是指两个总体实力都不强但都拥有自己独特的某方面优势的企业之间进行联合，以形成较强的实力。弱弱联合，弱企业之间优势互补，可以形成整体实力变强的效应。
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