您要查找的是不是:
- 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。
- 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。
- Water treatment: cleaning ion exchange resins; pure water production equipment; seawater desalination equipment. 水处理:清洗离子交换树脂;纯水生产设备;海水淡化设备。
- A ion exchange resins was studies for the esterification of fumaric acid with methanol in this paper. 研究了以富马酸和甲醇为原料,强酸型离子交换树脂为催化剂合成富马酸二甲脂。
- It is clear that catalysis with ion exchange resins provides an effective and efficient answer to a number of catalytic problems. 很明显,用离子交换树脂进行催化是解决许多催化问题的一种有效办法。
- Water purification material Series: If Quartz sand, Activated Carbon, Manganese sand, Anthracite, and Ion exchange resins. 水处理填料系列:如石英砂、活性碳、锰砂、无烟煤和离子交换树脂。
- By using strongly acidic cation ion exchange resins as catalyst, C4 - C6 mixed dibasic acids as materials, dibasic acid dimethyl esters were prepared. 以工业生产尼龙66副产物C4-C6混合二元酸为原料,强酸性阳离子交换树脂为催化剂,合成混合二元酸二甲酯。
- 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。
- By using cation ion exchange resins as catalyst as cinnamic acid reacting with methanol, ethanol,n-propanol and n-butanol, some cinnamates were prepared. 以大孔阳树脂为催化剂,将肉桂酸与甲醇、乙醇、正丙醇、正丁醇反应,制备了相应的肉桂酸酯。
- 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;
- 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。
- In this paper, various inorganic meterials and ion exchange resins used as adsorption carriers for the immobilization of Zymomonas mobilis were studied. 本文以多种无机材料和离子交换树脂为载体,对运动发酵单胞菌进行了吸附固定化研究。
- 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。
- 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。
- Someone can find some clues to the production process of polishing mixed bed ion exchange resins for electron-level ultrapure water were given in this paper. 对电子工业中制备超纯水的精制混床离子交换树脂的生产工艺进行了分析与探讨,提供了一些思考。
- It is critical that the petroleum type contaminates are removed to very low levels (< 1ppm) to avoid contamination of ion exchange resins before re-use in the boilers. 将废水中的石油类污染物浓度降到非常低的水平(小于1ppm)是非常关键的,这样才能在锅炉里重新使用前避免污染离子交换树脂。
- This paper dealed with the current situation of producing diisopropyl ether and a process using ion exchange resin. 概述了国内外二异丙醚生产技术现状、介绍新开发的以阳离子交换树脂为催化剂利用丙烯一步法制取二异丙醚技术。
- In this paper, the ion exchange equilibria of taurine (Tau) and glycin (Gly) on D290 anion exchange resin were investigated. 研究了牛磺酸与甘氨酸在阴离子树脂D290上的离子交换平衡。
- The paper analyzes the Fe pollution of the ion exchange resin in the resin tank and puts forward the solution to avoid the resin poisoned. 本文对常见的树脂罐中离子交换树脂受到铁污染的情况进行分析,提出解决树脂中毒的处理方法。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries