petroleum ether
基本解释
- [油气] 石油醚；石油精
英汉例句
- The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
类胡萝卜素和石油醚提取物含量在陈化三个月时降低，之后上升。 - 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产的葡萄干为原材料，通过石油醚萃取制得。 - 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：本司岩蔷薇浸膏主要采用中国浙江地区生长的岩蔷薇为原材料，通过石油醚提取制得浸膏。
双语例句
词组短语
- petroleum m ether 石油醚
- Petroleum ether extraction 石油醚提取;石油醚;石油醚提取物
- petroleum ether extract 石油醚抽提物;草石油醚提取物;石油醚提出取患上物
- Chlortoluron in Petroleum ether 石油醚中绿麦隆溶液标准物质
- Isodrin in Petroleum ether 石油醚中异狄氏剂溶液标准物质
短语
英英字典
- a volatile mixture of the higher alkane hydrocarbons, obtained as a fraction of petroleum and used as a solvent
柯林斯英英字典
专业释义
- 石油醚
Results showed that L. sinense Hemsl is the most effective and its active part is in the petroleum ether-extract.
结果表明:华火绒草的降血糖活性最强,其有效部位为石油醚提取物。化学
- 石油醚
Radix Curcumae was identified with petroleum ether（60? 0）-ethyl acetate （9:1） as the developing agent in silica gel G plate and 5% of phosphomolybdic acid as the visualization reagent.
郁金：采用硅胶G板，以石油醚—乙酸乙酯（9：1）为展开剂，显色剂为5％磷钼酸。能源科学技术
- 石油醚
- 石油精
- 石油醚