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- The quaternary ammonium ion exchange membrane (200 x 400mm) of aliphatic compound was employed in the continuous pervaporation. 本文报告了用200×400mm的脂肪族季胺膜进行醇水连续等温透过汽化分离过程的研究。
- X-ray powder diffraction (XRD) has been used to study the orientation of alkyl quaternary ammonium ion in the interlayer of products. 研究结果表明:柱化剂的浓度和烷基季铵离子的性质能影响烷基季铵离子在蒙脱石层间的排布模式。
- alkyl quaternary ammonium ion 烷基季铵离子
- Quaternary ammonium salt was used as catalyst for transporting phenoxide ion between two phases to give benzyl phenyl ether and its derivatives in multiphase system. 在多相体系中,以铵盐为催化剂合成苄苯醚及其衍生物,产率高达91%25,转化率达到983%25。
- Keywords cyclohexene;oxidation;adipic acid;hydrogen peroxide;tungstophosphric compounds;quaternary ammonium ions; 环己烯;氧化;己二酸;过氧化氢;磷钨酸盐;季铵阳离子;
- Effects of Solvents and Quaternary Ammonium Ions in Heteropolyoxotungstates on Reaction-Controlled Phase-Transfer Catalysis for Cyclohexene Epoxidation 溶剂和杂多酸盐中季铵阳离子对环己烯环氧化反应控制相转移催化的影响
- Optical properties of doped quaternary ammonium salt KDP crystals[J]. 引用该论文 许心光;孙洵;王正平;许贵宝;高樟寿;邵宗书.
- An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized. 设计合成了聚丙烯酰胺季铵盐类的抗静电剂。
- "Under favorable conditions the ammonium ion is converted to nitrate. 在适宜条件下，铵离子转化为硝酸盐离子。
- This paper mostly describes the study of the preparation of organosilicon quaternary ammonium salt and the study of the antimicrobial effect. 摘要研究有机硅高分子氨乙基氨丙基硅油的季铵化及其抗菌性能。
- EI/MS and ESI/MS were used for the analysis of quaternary ammonium salt cationic surfactants. 以电子轰击质谱法(EI/MS)与电喷雾质谱法(ESI/MS)相结合,分析季铵盐型表面活性剂。
- In the previous work,a conformational rule was proposed for Hofmann elimination of quaternary ammonium hydroxides. 本文合成了12种含环戊基或环己基的第四级铵碱，使之发生Hofmann消除反应。
- In this paper, the new cyclic quaternary ammonium salt DCAS was designed and synthesized. 设计并合成了新的环状季铵盐DCAS。
- These anions were separated on a Vydac 302 IC quaternary ammonium phase column using aqueous solution of 0. 选用四硼酸钠及对紫外光有较强吸收的邻苯二甲酸作为流动相的主要成分，用以洗脱和分离无机阴离子。
- Abstract :Double alkyl quaternary ammonium salts have been prep ared through bromoalkane, an intermediate material. (摘要) 以溴代烷为原料制备了双烷基二甲基溴化铵 系列产品。
- Various iodinated strong base quaternary ammonium anion exchange resins were prepared. 制备了数种不同的强碱型阴离子碘化树脂。
- Transparent hair shampoo was prepared using poly siloxane quaternary ammonium salt microemulsion as a conditioner. 以聚硅氧烷季铵盐微乳液为调理剂制备透明洗发香波。
- Using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained.It's yield reached 80%. 以脂肪醇为原料，合成了双辛基季铵溴盐，其产率达80%25。
- Objective To study general toxicity,hereditary toxicity and mutagenicity of quaternary ammonium compound detergent. 目的研究季氨化合物洗消剂的毒性、遗传毒性及致突变性。
- The nitrification of the ammonium ion, however, results in the formation of an acid residue. 但铵离子的硝化会产生一种酸性残留物。
