petroleum ether extraction

常見例句

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用新疆産的葡萄乾爲(wèi)原材料，通過石油醚萃取制得。
To obtain chemical constituents of whole Sorbus tianschanica L. , the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
本實騐採用水提取法、醇提取法和石油醚提取法對天山花楸全株的化學(xué)成分進行了比較全麪的定性研究。
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Overview: The Division mainly sweet clover extract of sweet clover Sichuan region of China for raw materials, petroleum ether extraction by roots in the system.
概述：本司草木犀浸膏主要採用中國四川地區(qū)的草木犀爲(wèi)原材料，通過石油醚浸提根莖制得。