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- The quaternary ammonium ion exchange membrane (200 x 400mm) of aliphatic compound was employed in the continuous pervaporation. 本文報告了用200×400mm的脂肪族季胺膜進(jìn)行醇水連續等溫透過(guò)汽化分離過(guò)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. 研究結果表明:柱化劑的濃度和烷基季銨離子的性質(zhì)能影響烷基季銨離子在蒙脫石層間的排布模式。
- alkyl quaternary ammonium ion 烷基季銨離子
- 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. 在多相體系中,以銨鹽為催化劑合成芐苯醚及其衍生物,產(chǎn)率高達91%25,轉化率達到983%25。
- Keywords cyclohexene;oxidation;adipic acid;hydrogen peroxide;tungstophosphric compounds;quaternary ammonium ions; 環(huán)己烯;氧化;己二酸;過(guò)氧化氫;磷鎢酸鹽;季銨陽(yáng)離子;
- Effects of Solvents and Quaternary Ammonium Ions in Heteropolyoxotungstates on Reaction-Controlled Phase-Transfer Catalysis for Cyclohexene Epoxidation 溶劑和雜多酸鹽中季銨陽(yáng)離子對環(huán)己烯環(huán)氧化反應控制相轉移催化的影響
- Optical properties of doped quaternary ammonium salt KDP crystals[J]. 引用該論文 許心光;孫洵;王正平;許貴寶;高樟壽;邵宗書(shū).
- An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized. 設計合成了聚丙烯酰胺季銨鹽類(lèi)的抗靜電劑。
- "Under favorable conditions the ammonium ion is converted to nitrate. 在適宜條件下，銨離子轉化為硝酸鹽離子。
- This paper mostly describes the study of the preparation of organosilicon quaternary ammonium salt and the study of the antimicrobial effect. 摘要研究有機硅高分子氨乙基氨丙基硅油的季銨化及其抗菌性能。
- EI/MS and ESI/MS were used for the analysis of quaternary ammonium salt cationic surfactants. 以電子轟擊質(zhì)譜法(EI/MS)與電噴霧質(zhì)譜法(ESI/MS)相結合,分析季銨鹽型表面活性劑。
- In the previous work,a conformational rule was proposed for Hofmann elimination of quaternary ammonium hydroxides. 本文合成了12種含環(huán)戊基或環(huán)己基的第四級銨堿，使之發(fā)生Hofmann消除反應。
- In this paper, the new cyclic quaternary ammonium salt DCAS was designed and synthesized. 設計并合成了新的環(huán)狀季銨鹽DCAS。
- These anions were separated on a Vydac 302 IC quaternary ammonium phase column using aqueous solution of 0. 選用四硼酸鈉及對紫外光有較強吸收的鄰苯二甲酸作為流動(dòng)相的主要成分，用以洗脫和分離無(wú)機陰離子。
- Abstract :Double alkyl quaternary ammonium salts have been prep ared through bromoalkane, an intermediate material. (摘要) 以溴代烷為原料制備了雙烷基二甲基溴化銨 系列產(chǎn)品。
- Various iodinated strong base quaternary ammonium anion exchange resins were prepared. 制備了數種不同的強堿型陰離子碘化樹(shù)脂。
- Transparent hair shampoo was prepared using poly siloxane quaternary ammonium salt microemulsion as a conditioner. 以聚硅氧烷季銨鹽微乳液為調理劑制備透明洗發(fā)香波。
- Using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained.It's yield reached 80%. 以脂肪醇為原料，合成了雙辛基季銨溴鹽，其產(chǎn)率達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劑的毒性、遺傳毒性及致突變性。
- The nitrification of the ammonium ion, however, results in the formation of an acid residue. 但銨離子的硝化會(huì )產(chǎn)生一種酸性殘留物。
