• 五个系统玻璃试样置于不同溶液中浸泡不同时间,然后测量其浸泡前后厚度重量分光光谱透过率。

    The glass samples of five systems were tested in various acid solution for different times. The thickness, weight and transparence of samples were measured before and after corrosion for comparison.

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  • 发现体重减轻作为重量百分比,降低海水中的速度缓冲溶液

    It was found that the weight loss, as a percent of total weight, decreased more rapidly in seawater than in the buffered salt solution.

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  • 本文叙述烯酰胺辐射聚合中间试验。采用中等浓度丙烯酰胺水溶液(30—35%重量),加入添加剂EDTA二钠

    This paper described a pilot process of polymerization of acrylamide in middle concentration (30 ~ 35% by weight) aqueous solution with the additive disodium EDTA.

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  • 采用醇碱水溶液萃取方法分离出辽河直馏柴油馏分中的石油羧酸主要为环烷),采用重量法测出分离效率低于90%;

    The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;

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  • 治疗近视剂,属眼科用配制品领域。主要下列重量配比药物的水溶液混配成。

    Myopia treating eye drop as one kind of eye disease treating compound is compounded by mixing medicines and water solvent.

    youdao

  • 治疗近视剂,属眼科用配制品领域。主要下列重量配比药物的水溶液混配成。

    Myopia treating eye drop as one kind of eye disease treating compound is compounded by mixing medicines and water solvent.

    youdao

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