... Empirical and molecular formulae 最简式和分子式 Yield and purity 产率和纯度 3. Chemical bonding and structure 化学键和结构 ...
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purity and yield 纯度和收率
The further improvement of labeling yield and purity of the label should be made.
进一步的工作是要提高标记率和标记物的纯度。
The yield and purity of simetryne reach 73.57% and 89.52% respectively under appropriate reaction conditions.
在适宜的反应条件下，西草净的收率和纯度分别为73.57%和89.52%。
The effects of experimental factors on both product yield and purity were analyzed and investigated from the point of view of nitration.
分析了几种试验因素对产品收率和纯度的影响，并从硝化作用的角度对这些影响进行了探讨。
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