• Synthesis process of benzophenone hydrazone is studied with benzophenone and 80%hydrazine as raw materials. Effects of material ratio, reaction time and concentration on aimed products are explored.

    研究了以二80%水合肼原料合成二苯甲酮工艺探讨物料配比反应时间浓度等目的产物收率的影响

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  • The properties, usage, synthesis, filming process and applications in information and image recording materials of special polymer material, polyimide, and the film produced with it, were introduced.

    本文介绍了特殊高分子材料聚酰亚胺及其薄膜性能用途合成方法工艺条件以及信息记录影像材料中的应用

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  • The field-activated pressure-assisted combustion synthesis (FAPACS) process was utilized to produce and densify tungsten carbides material from tungsten and carbon powders with different mole ratios.

    通过激活加压燃烧合成技术,采用不同摩尔比例的反应体系,致密化碳化材料

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  • The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate.

    研究碳酸钠催化剂红霉素甲氧基乙氧基氯甲醚(MEMC)原料,一步合成罗红霉素实验过程

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  • Progress in raw material route, catalyst used and new process of methanol synthesis have been summarized respectively.

    综述了甲醇工业原料路线催化剂工艺开发等方面进展

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  • The synthesis process of methidathion were studied in this paper. The starting material of this method was cheaper, the synthesis method is simple and was easy to industrialize.

    研究合成工艺,采用的合成方法原料便宜,工艺操作简便易于工业化生产。

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  • Analyzes on the spectras of bromide and aromatic sulfide, describes synthesis process of material and discusses the composite result.

    芳香溴化产物醚谱图进行分析叙述了原料合成过程合成结果进行讨论。

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  • Compared with traditional synthesis process, the present invention has the advantages of wide material source, less reaction steps and low preparation cost.

    发明方法传统合成相比原料来源方便,反应步骤简短,糖苷化反应的催化剂廉价易得,使制备成本明显下降。

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  • Not only the raw material was easily obtained but the condition was more moderate and the synthesis way was simple, which make it more suitable for industrial process.

    反应条件温和原料易得,方法简单具有一定的工业化应用前景。

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  • Not only the raw material was easily obtained but the condition was more moderate and the synthesis way was simple, which make it more suitable for industrial process.

    反应条件温和原料易得,方法简单具有一定的工业化应用前景。

    youdao

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