The yield of ethylenediamine diperchlorate of nearly 100 % can be obtained.

乙二胺二高氯酸盐的得率接近100%.

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The mesoporous silica molecular sieves Zr - MCM - 41 were synthesized in ethylenediamine.

以乙二胺为碱性介质合成了Zr-MCM-41介孔分子筛.

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Disodium ethylenediamine tetraacetate is a good sequesterant.

乙二胺四乙酸二钠是一种优秀的络合剂.

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It was obtained with ethylenediamine and ethenesulfonic sodium as primary material through addition.

采用乙二胺和乙烯磺酸钠为主要原料,经过加成反应合成了乙二胺双乙基磺酸钠.

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The production status, market demand and developing trend of ethylenediamine at home and abroad were introduced.

介绍了国内外乙撑胺生产现状 、 市场需求和发展趋势.

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Piperazine was separated from ethylenediamine byproduct polyethylene polyamines mixture by refrigeration and azeotrope distillation.

通过冷冻、共沸蒸馏,从多乙烯多胺混合物中分离出哌嗪.

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Objective To find out the influence of volume of bleeding during endoscopic sinus surgery Ethylenediamine diaceturate.

目的:研究新凝灵注射液对鼻窦内窥镜手术出血量的影响.

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