查询词典 alstonine
- 与 alstonine 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Karrer and Enslin reported that the structure of alstyrine S_(19H_(22)N_2, a selenium- dehydrogenation-degradation product obtained by Sharp from the alkaloid alstonine, is identical with that of corynanthyrine,α-[2-(4, 5 diethylpyridyl)]-β-ethylindole, despite the fact that the melting points of these two substances have a 5°difference.
前者的紫外線吸收光譜與阿爾斯泰令(alstyrine，係一種由西阿斯木鹼經硒降解後的產物)的吸收光譜極為類似；且二者有一種相同的顏色反應。
- 推荐网络例句
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By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.
本文论述了利用活性炭竞争吸附作用，消除含炭金精矿中炭在浸出过程中的影响，使金精矿的浸出率可由直接氰化的10％提高到88％。
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The only thing you're ever gonna be king of is King of the Stupids!
你只配做傻瓜的国王！
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The first thing you're asked to do is to turn off the light.
你要做的第一件事是关掉灯。