petroleum ether的意思
petroleum ether中文翻譯:
[油氣]石油醚;石油精
相似詞語短語
petroleum engineer───石油工程師
petroleum jellies───凡士林(等于petrolatum);礦油
petroleum engineers───石油工程師
petroleum jelly───凡士林(等于petrolatum);礦油
ethyl ether───乙醚;[有化]二乙醚
petroleum───n.石油
petroleur───n.用火油縱火的男子
petroleuse───n.用石油放火的女子
petroleuses───n.用石油放火的女子
雙語使用場景
content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.───類胡蘿卜素和石油醚提取物含量在陳化三個月時降低,之后上升。
Overview: The Division mainly rock rose extract rock China's Zhejiang province rose to the growth of raw materials extracted by petroleum ether extract obtained.───概述:本司巖薔薇浸膏主要采用中國浙江地區生長的巖薔薇為原材料,通過石油醚提取制得浸膏。
Overview: The Division Lanti Vanilla extract raisins produced mainly in Xinjiang, as the raw material obtained by petroleum ether extraction.───概述:本司葡萄干萃取物主要采用新疆產的葡萄干為原材料,通過石油醚萃取制得。
Compared the spectrogram , that the petroleum ether used as solvent is better than anther.───通過氣相色譜分析的譜圖比較, 發現石油醚的提取效果較好.
Portions of petroleum ether, n - butanol and water extracted from LEEs was much weaker on anticoagulant activity.───石油醚部位 、 正丁醇部位、水部位也有較弱抗凝活性.
ObjectiveTo investigate and compare the best extraction method by petroleum ether from Curcuma wenyujin Y . H.───目的探討并比較石油醚回流提取溫莪術粗粉和微納米粉體揮發油的最佳工藝.