The article discusses the synthesis method of a soft type thickening agent, selection of reactive monomers, emulsifier, organic solvent, and cross-linking monomers.
介绍合成柔软型增稠剂方法、反应单体、乳化剂、有机溶剂、交联单体的选择以及合成工艺。
It offers theoretical basis for both the type and dimension synthesis of five-bar mechanism and the selection of...
为五杆机构的型综合、尺度综合和选择实用可靠的机构方式提供了理论基础。
The process to replace the catalyst of shifting furnace was introduced for large-sized ammonia synthesis plant; the requirements of type selection and filling method for catalyst were discussed.
介绍了大型合成氨厂低变炉更换催化剂的过程；论述了催化剂的选型要求和装填方法；阐明了催化剂还原过程中从还原前升温到还原初期、主期及末期的操作步骤和要求。
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