Manufactures pharmaceutical and dye intermediates in china . products include a wide range of brominated organics , as well as esters , quaternary ammonium compounds , and silane coupling agents -生产2 , 2 -甲氧基丙烷2 -甲氧基丙烯2 -甲氧基丙烷亚硫酸二甲酯等中间体产品。
Content of the project : utilize co2 resource , to set up production lines of methyl carbonate , granular dry ice powder , salicylic acid , sodium carbonate and ethylene urea etc 项目内容:利用二氧化碳资源,新建碳酸二甲酯、颗粒干冰粉、水杨酸、轻质氧化鲜、碳酸钠、乙撑脲生产线。
Three typical methods for synthesizing methanthiol are introduced : i . e . thiourea - dimethyl sulfate method , alkali sulfide - dimethyl sulfate method , and methanol - hydrogen sulfide method 摘要介绍3种具有代表性的甲硫醇合成方法:硫脲硫酸二甲酯法、硫化碱硫酸二甲酯法和甲醇硫化氢法。
This paper reviewed the application of the template effect in thesynthesis of macrocyclic compounds and synthetic methods of macrocyclic compounds with different donors 介绍绿色化工产品碳酸二甲酯的性质、应用、合成方法及其新进展,对国内生产市场概况以及它在有机合成领域的应用近况也作了较详细论述
4 . the application of mspc in continuous process and batch process is introduced , basing on the processes of synthesizing of phosphonic acid dimethyl and batch cooling crystallizer 4 、分别以农药原料亚磷酸二甲酯生产过程和间歇冷凝结晶生产过程为应用背景,介绍了多变量统计过程控制在连续过程和间歇过程中的应用。
The catalytic properties of zinc oxide catalysts from zinc oxide , zinc acetate calcined at 600 and zinc carbonate prepared through deposition , in the synthesis of dimethyl carbonate by alcoholysis of urea were studied 摘要研究了在600煅烧氧化锌、醋酸锌和沉淀法制得碳酸锌而得到的氧化锌催化剂,对尿素醇解制备碳酸二甲酯的催化作用。
It is pointed that the routes of dimethyl oxalate hydrogenation and solid acid catalysis of methyl formate and formaldehyde could be the environmentally friendly and economically attractive alternatives to existing method for industrial production of methyl glycolate 指出草酸二甲酯催化加氢法和以甲酸甲酯和甲醛为原料的固体酸催化法是有吸引力的环境友好的经济路线。