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阳离子交换树脂作催化剂合成乙酸乙酯的研究 关键词： 阳离子交换树脂; 乙酸乙酯; 催化剂[gap=833]Key words： cation exchange resin; ethyl acetate; catalyst
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...： 木素磺酸钙;正离子交换树脂;反相悬浮聚合;制备;性能 [gap=1032]Keywords ：calcium lignosulphonate; cation exchange resin; reversed phase suspension polymerization;preparation; characterization ..
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cation exchange resin catalyst 阳离子交换树脂催化剂
weakly acidic cation exchange resin 弱酸性阳离子交换树脂
carboxyl type cation exchange resin 羧基型阳离子交换树脂
Strong acid Cation exchange resin 强酸性阳离子交换树脂
weak-acid cation exchange resin 弱酸性阳离子交换树脂
powdered cation exchange resin 粉末状阳离子交换树脂
acidulous cation-exchange resin 弱酸性阳离子交换树脂
strongly acid cation exchange resin 强酸性阳离子交换树脂
cation-exchange resin weak-acid 弱酸阳离子交换树脂
双语例句
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The sodium is removed with cation exchange resin.
钠用阳离子交换树脂来分离。
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When the fixed bed continuous process is used, the appropriate catalyst is strong acid cation exchange resin.
当采用固定床连续甲酯化反应时，适宜的催化剂为强酸性阳离子交换树脂。
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Objective to select the optimum purifying process of total alkaloids in Sophora flavescens by different eluents on cation exchange resin.
目的考察阳离子交换树脂法中不同洗脱剂对苦参总碱的纯化效果，优选最佳纯化工艺。
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