reduced pressure distillation
- reduced pressure distillation的基本解释
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减压蒸馏
- 更多网络例句与reduced pressure distillation相关的网络例句 [注：此内容来源于网络，仅供参考]
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Synthesis of Butyle Acylate with acrylic acid and butyl alcohol at the catalysis of ethand by heteropoly acid in reduced pressure distillation were described in this paper.
由于丙烯酸正丁酯沸点较高，在常压下蒸馏易发生自身聚合反应而影响产率，所以采用减压蒸馏以降低其沸点。
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In the course of oxidation, reaction temperature should rise step by step, and in the late stage, reduced pressure distillation should follow so that the concertration of gly oxalic acid can rise and production rate of allantoin can rise up to 40%.
在氧化反应的过程中逐步地提高反应温度，反应后期进行减压浓缩，提高了乙醛酸的浓度，缩短了氧化时间，并使尿囊素産率达到40%。
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Said preparation method includes: dissolving curcumin and polyvinyl pyrrolidone according to mass ratio of 1:4-1:15 in organic solvent (for example absolute ethyl alcohol, propyl alcohol, isopropyl alcohol and ethyl acetate), making reduced pressure distillation at 55-95deg.C to remove most of ethyl alcohol to obtain paste material, quickly pouring the paste material into a stainless steel disk, vacuum drying at 60-90deg.C in drying oven and pulverizing.
本发明将姜黄素和聚乙烯吡咯烷酮按质量比1∶4～1∶15溶于有机溶剂(如无水乙醇、丙醇、异丙醇、乙酸乙酯等)，于减压蒸馏55-95℃下除去大部分乙醇至成糊状，迅速倒入不锈钢盘中，在60-90℃下真空烘箱烘干，用粉碎机粉碎，得到姜黄素固体分散体。
- 更多网络解释与reduced pressure distillation相关的网络解释 [注：此内容来源于网络，仅供参考]
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reduced pressure：减压
reduced powder 还原粉 | reduced pressure 减压 | reduced pressure distillation 减压蒸镏
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reduced transition probability：约化跃迁几率
reduced pressure distillation 减压蒸馏 | reduced transition probability 约化跃迁几率 | reducible 可还原的