Cation exchange resin ( strong acid type ) is used as esterification catalyst.

用强酸型阳离子交换树脂作催化剂合成乙酸乙酯.

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A strong acid, it is toxic and can cause severe Burns.

硝酸是一种强酸, 有毒,并能造成严重烧伤.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol.

采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应.

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Description: Cerium Hydroxide is insoluble in water and soluble in strong acid.

说明: 氢氧化铈不溶于水,溶于强酸.

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Define the resins type of strong acid and weak acid.

二是强、弱酸树脂的选型.

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Hydriodic acid is a strong acid.

氢碘酸是一种强酸.

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Resistant to the erosion of acid , alkali, salt, esp. strong acid and alkali.

耐酸,碱, 盐, 油类腐蚀, 特别是耐强碱性能好.

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The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated.

考察了大孔强酸性树脂对1, 4 丁二醇 脱水制四氢呋喃的催化作用.

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The pop made my tongue tingle, a strong acid - sweet taste that almost hurt.

汽水使我的舌头发麻, 强烈的甜酸味蜇得舌头几乎发痛.

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Offset printing plates used in the base is aluminum, which is strong, acid medium are unstable.

胶印洋搁置的印版版基是金属铝, 它在不弱酸 、 弱酸介质洋均不安定.

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Limitedly resistant to strong acid, strong alkali, strong oxidizing solution and strong solvent.

但对强酸 、 强碱 、 强氧化液和强溶剂忍耐度有限.

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The catalysis of big pore strong acid resin for 1,4 - butanediol dehydration to tetrahydrofuran is investigated.

考察了大孔强酸性树脂对1,4 丁二醇 脱水制四氢呋喃的催化作用.

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A strong - acid - resistance , high - capacity, good - strength, large - porosity chitosan resin was obtained under the optimum reaction conditions.

按最佳合成条件可制备出耐酸性能好 、 吸附能力强 、 机械强度好、孔隙率较高的壳聚糖树脂.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.

催化邻苯二甲酸酐与正丁醇的酯化反应.

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Not resistant to strong acid, strong alkali, strong oxidizing solution and strong solvent.

但对强酸 、 强碱 、 强氧化溶液和强溶剂耐度有限.

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