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：本司葡萄干萃取物主要采用新疆產(chǎn)的葡萄干為原材料，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(shí)驗(yàn)采用水提取法、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(jìn)行了比較全面的定性研究。
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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采用中國四川地區(qū)的草木犀為原材料，通過石油醚浸提根莖制得。