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- isopropyl methanesulphonate 甲磺酸异丙酯
- The resulting suspension was extracted with 30% isopropyl alcohol/chloroform. 得到的悬浊液以30%25异丙醇/氯仿萃
- And isopropyl mixes with some solvents could be used in manufacturing of drags. 乙酸异丙酯与多种溶剂混合使用,在烟丝的生产中有一定的应用。
- Ivy Extract, Horsetail Extract, Isopropyl Myristate, Suqalane, Algae Extract. 常春藤萃取、马尾草萃取(间荆)、肉豆蔻、角鲨烯、海藻萃取。
- The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47.8%. 用异丙胺对产物进行萃取提纯,制得了纯度较高、收率为47.;8%25的硼氢化钠产品。
- Several production methods, application and market demands of methy isopropyl ketone were introduced. 介绍了甲基异丙基酮的生产方法、应用、市场需求。
- Scrub each optical surface with a gauze pad soaked in isopropyl alcohol. Rinse thoroughly with distilled water. 光学表面用含异丙醇的网垫擦净。然后用蒸馏水漂洗。
- Chemicals used in lithographic dampening solution in place of isopropyl alcohol. 取代加在平版水槽液中异丙醇的化学物质。
- Acetic acid, 1-methylethyl ester;1-methylethyl acetat ... acetic acid, isopropyl ester;isopropile (acetato di) ... 乙酸异丙酯;醋酸异丙酯;乙酸-1-甲基乙基酯香港
- This article refers to the synthesis of methyl isopropyl ketone using isobutylaldehyde-acetic acid as raw materials. 阐述了异丁醛乙酸工艺制备甲基异丙基酮的中试所涉及的若干工程技术问题。
- Clean the fiber ends with lint free lens tissue moistened with pure isopropyl alcohol. 用纯异丙醇酒精沾湿的不起毛的镜片纸巾加以清洁光纤端点。
- Isopropyl chloroacetate is synthesized through esterification catalyzed by ferric chloride. 以氯乙酸和异丙醇为原料、三氯化铁为催化剂,合成了氯乙酸异丙酯。
- Under the optimum condition the yield of isopropyl cyclopropanecarboxylate is 92%. 在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%25。
- Both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. 对采用乙酸正丁酯和乙酸异丙酯作夹带剂时的操作进行了综合比较。
- Isopropyl alcohol(IPA) was used as the solvent to extract low temperature pressed Perilla seed cake. 采用异丙醇作溶剂对紫苏籽低温压榨饼进行浸出。
- Isopropyl p-hydroxybenzoate was synthesized with toluene-p-sulfomoc acid as catalyst. 以对甲苯磺酸为催化剂合成了尼泊金异丙酯。
- It is known that under appropriate conditions isopropylmagnesium chloride can be provided in the re action of isopropyl chloride with magnesium in THF in>90% yield. 摘要用镁和氯代异丙烷为原料,四氢呋喃作溶剂,在一定条件下合成了格氏试剂,格氏试剂的收率达90%25以上。
- The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied. 考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸乙酯的影响。
- Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate. 用硫酸氢钾催化肉桂酸与异丙醇的酯化反应,合成了肉桂酸异丙酯。
- The effects that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ conditions has been studied. 考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸乙酯的影响。