季盐

The difference of ammonia, amido, amino group and quaternary ammonium salt, some common wrong expressions on them, and the valence state of phosphorus in some of its oxyacid were pointed out.

指出了氨、氨基、胺基及季铵盐的区别及其常见错误表述，以及磷的几种含氧酸中磷的价态，并着重指出没有"次亚磷酸"的叫法。

Na-montmorillonite was modified with different quaternary phosphonium salts using ion-exchange method,and the structures and property of modified montmorillonite were studied.

采用离子交换法将不同的季鏻盐交换到钠基蒙脱土的层间得到改性蒙脱土，并对改性蒙脱土的结构和性能进行了研究。

The effects of the A-1 concentration, the sodium tungstate concentration, the molar ratio of H2O2 to pinene, and the reaction temperature are investigated.

考察了季铵盐(A-1)的浓度、钨酸钠浓度、H2O2与蒎烯的量比、反应温度对环氧化反应的影响。

Synthesis and application of polysiloxane quaternary ammonium salt are summarized here.

介绍了聚硅氧烷季铵盐抗菌整理剂的合成方法及其应用性能。

Esoporous Al MSU X aluminosilicates have been prepared through a two step route using preformed zeolite like nanoclusters and TX 100 as the inorganic source and mesostructure directing agent respectively, and characterized by XRD, HRTEM, N 2 adsorption desorption isotherm, 27Al MAS NMR, NH 3 TPD and so on.

SU X介孔材料是具有三维"wormhole like"孔道特征，且它采用廉价、无毒和可降解的非离子表面活性剂于弱酸性或中性介质中合成的，与使用季铵盐阳离子表面活性剂为模板剂的其它介孔材料相比，无论在合成过程或应用方面都有诸多优势[1 ，2 ] 。

Synthesis of cationic lignin flocculant by Lignin, epichlorohydrin and trimethylamine was obtained.

研究了木质素与环氧氯丙烷、三甲胺合成木质素季铵盐的工艺。

This paper deals with a cationic bisamide compound system deinking agent whose intermediate was prepared by using tristearin, isopropylidene glycerol, diethylenetriamine and catalyzed by p-Toluene sulfonic acid and reacted at 140℃ for 2 h.

摘 要：以三硬脂酸甘油酯、二乙烯三胺为原料合成了中间体，经硫酸二甲酯阳离子化制备出双酰胺季铵盐阳离子表面活性剂，再与AEO-9、TX-10复配制得复合脱墨剂。

The different catalytic systems are discussed. The results show that sodium tungstate has effective catalytic ability.

实验结果表明，钨酸钠和双季铵盐催化体系能在温和的条件下，催化稀过氧化氢溶液氧化环己醇、苯甲醇、环己烯。

Macroporous tributyl amine aminating strongly basic anion exchange resin-a phase transfer catalyst with high catalytic activity for nucleophilic substitution,which was screened out via combinatorial chemistry method –was used to catalyze the nucleophilic substitution reactions for synthesis of benzyl acetate,benzyl propionate,benzyl butyrate and benzyl valerate.

用组合化学方法筛选出的对无外加碱条件下的亲核取代催化活性最高的聚合物季铵盐–三丁胺胺化强碱性阴离子交换树脂为相转移催化剂，催化合成了乙酸苄酯、丙酸苄酯、丁酸苄酯、戊酸苄酯等羧酸苄酯。

The tidied wool fibers were characterized by scanning electron microscope,infrared spectrum and energy spectrum,then tested antibacterial,skin irritation,softness,washability performances.

通过对有机硅季铵盐在改性羊毛纤维上的抗菌柔软整理研究，用SEM、红外光谱及能谱对整理后的羊毛纤维进行分析检测，并对整理后的纤维织片进行了抑菌、皮肤刺激、柔软、耐洗等性能的测试。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。