petroleum ether
基本解釋
- [油氣] 石油醚；石油精
英漢例句
- The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
類(lèi)衚蘿蔔素和石油醚提取物含量在陳化三個(gè)月時(shí)降低，之後上陞。 - Overview: The Division Lanti Vanilla extract raisins produced mainly in Xinjiang, as the raw material obtained by petroleum ether extraction.
概述：本司葡萄乾萃取物主要採(cǎi)用新疆産的葡萄乾爲(wèi)原材料，通過(guò)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：本司巖薔薇浸膏主要採(cǎi)用中國(guó)浙江地區(qū)生長(zhǎng)的巖薔薇爲(wèi)原材料，通過(guò)石油醚提取制得浸膏。
雙語(yǔ)例句
詞組短語(yǔ)
- 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 石油醚中綠麥隆溶液標(biāo)準(zhǔn)物質(zhì)
- Isodrin in Petroleum ether 石油醚中異狄氏劑溶液標(biāo)準(zhǔn)物質(zhì)
短語(yǔ)
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
專(zhuān)業(yè)釋義
- 石油醚
Results showed that L. sinense Hemsl is the most effective and its active part is in the petroleum ether-extract.
結(jié)果表明:華火羢草的降血糖活性最強(qiáng),其有傚部位爲(wèi)石油醚提取物。化學(xué)
- 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.
鬱金：採(cǎi)用矽膠G板，以石油醚—乙酸乙酯（9：1）爲(wèi)展開(kāi)劑，顯色劑爲(wèi)5％磷鉬酸。能源科學(xué)技術(shù)
- 石油醚
- 石油精
- 石油醚