1·The tests on 2% octadecyl trimethyl ammonium chloride showed good result against the cabbage aphids.
绿清灵即2%十八烷基三甲基氯化铵可溶性粉剂，对蔬菜蚜虫具有较好的防治效果。
2·The gelling agent PDA is the copolymer of methacryloyloxyethyl trimethyl ammonium chloride (DMC) and acrylamide (AM);
胶凝剂PDA是甲基丙烯酰氧乙基三甲基氯化铵（DMC）和丙烯酰胺（AM）的共聚物；
3·Using trimethylamine and epichlorohydrin as raw materials, an active intermediate, glycidyl trimethyl ammonium chloride (GTA), was synthesized at ambient temperature.
以环氧氯丙烷和三甲胺为原料，常温下合成活性中间体失水甘油基三甲基氯化铵(GTA)。
4·Ultrafine WO_3 powders were prepared by colloidal chemical method using sodium tungstate, hydrochloric acid and palmityl trimethyl ammonium bromide as starting materials.
本文以钨酸钠、盐酸和十六烷基三甲基溴化铵为原料，采用胶溶法制备了WO_3超细粉体。
5·In this paper the condition and composition of the ternary complex for determination of cadmium with Cd-methyl thymol blue-cetyl trimethyl ammonium bromide have been put forward.
本文研究了用镉-甲基百里香酚蓝-溴化十六烷基三甲基铵三元络合物光度测定镉的反应条件和络合物组成。
6·Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
在阳离子表面活性剂——十六烷基三甲基溴化铵（CTMAB）的存在下，用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
7·Silver nanoparticles with uniform diameters were obtained in dodecyl trimethyl ammonium bromide (DTAB) solution at room temperature under magnetic stirring through hydrazine reducing AgNO3.
常温磁力搅拌下，在十二烷基三甲基溴化铵(DTAB)体系中用水合肼还原硝酸银制备了颗粒细小均匀的纳米银粉。
8·Method for synthesizing N, N, N-trimethyl chitosan sulfate methyl ammonium.
一种N，N，N-三甲基壳聚糖硫酸甲酯铵的合成方法。