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- Natural cationic flocculant RHNF was synthesized taking rice husk as a principal part,cationic etherifying agent as a modifier. 以稻壳为母体,以阳离子醚化剂为改性剂,合成天然阳离子型絮凝剂RHNF。
- The analytical methods of the main reaction product and vice-product were established for the preparation of cationic etherifying agent (CHPTMAC). 对阳离子醚化剂CHPTMAC的主产物和副产物建立了分析方法。
- cationic etherifying agent 阳离子醚化剂
- The quality of cationic starch depends upon the reacting conditions such as the amounts of etherifying agent and sodium hydroxide, time, temperature, concentration. 自制阳离子淀粉的质量取决于醚化剂，氢氧化钠用量，醚化温度、浓度和时间等。
- The material for organic synthesis, mainly used for synthesize positive ion etherifying agent. 用途Usage：有机合成原料，主要用于合成阳离子醚化剂。
- Hydroxyethyl carboxymethyl cellulose(HECMC) was synthesized by using chloroethanol as etherifying agent instead of oxirane and chloroacetic acid without isolating intermediate. 探讨了用氯乙醇代替环氧乙烷和一氯醋酸作醚化剂，不用分离中间产物合成HECMC。
- Keywords petroleum ether;dispersant;etherifying agent;corn starch;low degree of substitution cationic starch; 关键词石油醚;分散剂;醚化剂;玉米淀粉;低取代度阳离子淀粉;
- In this paper,carbon bisuphide is used as extractor to extract the residual epihalohydrin from cationic etherified reagent,then the residual epihalohydrin is detected with gas chromatography. 本文阐述了先用溶剂二硫化碳萃取阳离子醚化剂中的残余环氧氯丙烷，再用气相色谱法测定其含量的方法。
- The carboxymethylinulin(CMI)was prepared via reaction of inulin with sodium chloroacetate as etherification agent in presence of alkali using microwave method. 在碱的存在下,以氯乙酸钠为醚化试剂,微波法制备了羧甲基菊粉。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- The tour is arranged by our local travel agent. 这个旅游团是由我们的本地旅游代理商组织安排的。
- For further information, contact your local agent. 要进一步了解情况，请与本地代理商联系。
- FBI is on the look out for the agent these days. 这些天联邦调查局正在注意那个特工。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keywords carrageen;water-shutoff and shrinking modification;etherifying agent;cross-linking agent; 卡拉胶;不析水收缩;醚化剂;交联剂;
- I made my assistant my agent while I was abroad. 我请我的助手在我出国期间做我的代理人。
- Our travel agent routed us through Italy. 我们的旅行社安排我们途经义大利。
- Thank you for your proposal of acting as our agent. 谢谢你方作为我们代理的建议。
- Some of the cationic proteins are bactericidal. 一些阳离子蛋白质是能杀菌的。
- As commission agent we do business on commission basis. 作为佣金代理商，我们是以佣金为基础做生意的。
