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- weak acid H ion exchange resin 弱酸性H离子交换树脂
- Resin catalyst loaded Al was prepared by 732 ion exchange resin and AlCl3. The solvent was ethanol ,and H type resin was dried for 35h. 采用732 型阳离子交换树脂作为催化剂载体,制备得到负载铝的树脂催化剂,采用液固溶剂法,选用无水乙醇作为溶剂,H 型树脂干燥35h 后进行制备。
- Methods of separation of phytic acid by ion exchange resin from rice bran are described. 本文介绍了用离子交换树脂从米糠中提取植酸的方法和条件。
- The catalyst system used in the synthesis of Maleic acid ester,such as inorganic acid,ion exchange resin and solid acid,was introduced. 本文介绍了国内外马来酸二甲酯合成中的催化剂体系,有无机酸、离子交换树脂、固体酸等。
- The synthesis of peroxyacetic acid by which A Type positive ion exchange resin and sulfuric acid are used ascatalyst is studied through experiment. 研究了以A型阳离子交换树脂和硫酸为混合催化剂合成过氧乙酸的工艺。
- Based on the principle of ion exchange,fibre spinning acid washing water is applied to replace salt and mirabilite,so as to regenerate sodium ion exchange resin. 根据离子交换原理,利用纺丝去酸水代替食盐、芒硝再生钠离子交换树脂,可以去除硬水中的钙离子和镁离子。
- These scale-control methods are ion exchange resin softening ,lime softening, membrance softening, acid feed, scale inhibiter feed, electrostatic water treatment and coating. 这些方法包括:离子交换软化法、石灰软化法、膜软化法、加酸法、阻垢剂法、静电水处理法和涂料法。采用这些方法后可以使清洗的有效期延长、清洗的频率降低。
- Superacid ion exchange resin, the molecular sieve, heteropoly acid, load type such as solid acid catalyst in the esterification catalyst paid more and more 答案补充 attention. 超强酸离子交换树脂、分子筛、杂多酸、负载型固体酸催化剂等作为酯化反应中的催化剂越来越受到人们的关注。
- Macroporous weak acid cation exchange resin 大孔弱酸性阳离子交换树脂
- Methods: Extracted by EtOH,purified by 732-positive ion exchange resin. 方法:全草粗粉用乙醇提取,强酸型732阳离子树脂交换纯化。
- In this paper, the methyl cinnamate was synthesized from cinnamate acid and methanol by using strongly acidic ion exchange resin as catalyst. 以磺酸型阳离子交换树脂为催化剂，由肉桂酸和甲醇合成了肉桂酸甲酯。
- The influence of operation parameters on the behavior of adsorption and desorption of BSA with the weak acidic type cation exchange resin mixed PES-based fibrous adsorber in different structures was also investigated in this work. 考察了BSA溶液pH、BSA浓度、洗脱剂pH和离子强度、吸附剂预处理与后处理、吸附剂再生以及料液流动状态等因素对吸附剂吸附与脱附性能的影响。
- Methods of extraction of phytic acid by microwave assist and ion exchange resin from degreasing rice bran are described, and the optimum condition of the method is discussed in this paper. 介绍以脱脂米糠为原料用微波辅助浸提离子交换法从米糠中提取植酸的方法,并讨论了此提取方法的最佳工艺条件。
- By adopting highly pure acid and alkali to substitute industrial acid and alkali for regeneration of ion exchange resin in Pucheng Power-Generation Co Ltd, a good effectiveness has been obtained. 摘要蒲城发电有限责任公司采用高纯酸碱替代工业酸碱用于离子交换树脂的再生，取得良好效果。
- Objective: To evaluate the causes of contamination and regenerate methods of ion exchange resin. 目的探讨离子交换树脂被污染的原因、预防措施及再生方法。
- Recent research and progress of ion exchange resin membrane (IEM) in soil testing were summarized. 综述了国内外离子交换树脂膜（膜型树脂）的研究进展；
- A new method for the determination of trace iron by ion exchange resin phase spectrophotometry was developed. 提出了利用离子交换树脂相分光光度法测定痕量铁的方法。
- Sodium chloride and hydrochloric acid are often used to regenerate spent ion exchange resins used in water purification. 氯化钠和盐酸常用来再生水净化中用的废的离子交换树脂。
- A fiber-optic reflected sensor has been developed by immobilizing xylenol orange on 717 anion ion exchange resin. 研究了一种将二甲酚橙固定在上海717阴离子交换树脂上作为试剂相的光导纤维反射型传感器。
