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The acetolysis,oxidation and hydrolysis reactions in the synthetic process of 16-dehydropregnenolone acetate from diosgenin were studied.

研究了以薯蓣皂素为原妊娠双烯醇酮醋酸酯生工艺中的开环、氧化和水3应。

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Objective:To study the extraction technology of dioscin from Paris polyphylla Smith of Taibai adopting infusion method and reflux respectively.

以太白灯台七为原,研究薯蓣皂苷的提取工艺。

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leave out, leave sb alone, leave sb behind, leave sth out, leave-breaker, leaved, leaven, leavenbent, leavened, leavening,

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3G, 401(K), a,

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斯探案之四签名

I gave him directions to have several gourds of water and a lot of yams, cocoanuts, and sweet potatoes.

还叫他准几平淡水,许多的、椰子

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Lebanese pound, Lebanon, Lebaycid, leben, Lebensraum, lebensspur, lebensspuren, leberblende, lebes, Lebesgue,

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3G, 401(K), a,
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