芐化劑 的英文怎麼說
中文拼音 [huàjì]
芐化劑
英文
benzylating agent-
Manufacturer of fine chemicals, and pharmaceutical and agrochemical intermediates, offering a small but diverse range of predominantly aromatic chemicals. located in shanghai and lanxi, china
-生產芐胺，鄰氯苯甲酰氯，對氯苯甲酰氯， n甲基芐胺， -苯乙胺，糠胺，四甲基己二胺，延遲催化劑，聚氨酯催化劑，農藥中間體Using niobic acid as catalyst, cyclohexane as dehydrant, benzyl propionate was synthesized based on propionic acid and benzyl alcohol
摘要以鈮作催化劑，環己烷為帶水劑，用丙酸和苯甲醇直接合成了丙酸芐酯。Au. the influence of several variables such as gold and cosolvent concentrations, shaking times, the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied. while the cosolvent ratio is more than 10 %, in the tdmba system, gold was extracted completely. the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum. it was found that the aggregation ratio of tdmba and au
等因素對萃取率的影響，並研究了有機相的連續萃取有機相金含量與水含量的關系。結果表明，助溶劑體積比10 %以上時，十四烷基二甲基芐基氯化銨對金具有萃取能力強，平衡時間短的特點。季銨鹽陽離子與au cnThe factors influencing on the yield of benzyl propionate, such as the dosage of catalyst, molar ratio of benzyl alcohol to propionic acid, reaction time and the amount of cyclohexane and so on, were investigated
考察了催化劑用量、苯甲醇與丙酸物質的量比、反應時間和帶水劑環己烷用量等因素對丙酸芐酯收率的影響。Determination of anion surface active agent in wastewater by bromcresol burple - hexadecyldimethyl benzyl ammonium bromide spectrophotometry
十六烷基二甲基芐基溴化銨法測定廢水中陰離子表面活性劑含量分享友人