petroleum ether extraction

常见例句

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的草木犀爲原材料，通過石油醚浸提根莖制得。