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- The acyl chloride product was fluorinated by potassium fluoride and esterified by methanol to synthesize dimethyl tetrafluoroterephthalate. 以氟化钾为氟化剂,环丁砜为溶剂置换氟化,再与甲醇酯化得到四氟对苯二甲酸甲酯;
- COMPOSITION: It is complex petroleum derivative products mixture, Mixed with Fatty group, cyclanes, carbon combined with chloride products organic solvent. 组成信息： 这是一种由石油衍生的复杂混合物；脂肪族；环烷烃碳氯化合物的有机溶剂。
- A high-quality and high-yield tricyclohexyltin chloride product was obtained via alkylation between the Grignard reagent and the complexes formed by the reaction of tin tetrachloride and appropriate ethers. 先将四氯化锡与适量醚类化合物形成配合物,再与格氏试剂发生交换反应,可得到高品质和较高收率的三环己基氯化锡产品。
- It is indicated that the overall technologies of thionyl chloride production should be improved in our country. 提出我国尚需提高氯化亚砜生产装置的整体科技水平。
- The status of VCM and acetylene gas recovery by pressure swing adsorption in vinyl chloride production units were introduced. 介绍了在氯乙烯生产装置中,采用变压吸附工艺回收精馏尾气中的VCM和乙炔气的情况。
- The development status of vinyl chloride production by means of ethylene oxychlorination, innovations of new design ideas for unit was introduced. 介绍了采用乙烯氧氯化法制氯乙烯工艺的开发情况以及采用新的设计理念对单元设备的改造情况。
- The process selection in hydrogen chloride production was introduced, as well as the improvement of this process and units in the course of design and installation. 介绍了氯化氢生产的工艺路线选择及在采用二合一炉法的设计安装过程中对工艺流程设备、仪表等的改进内容。
- Wastewater from O,O diethyl thiophosphoryl chloride production is treated by hydrolysis, calcium precipitation andbiochemistry.Processes and conditions are explored. 介绍水解-沉钙-生化法处理O,O-二乙基硫代磷酰氯生产的废水,摸索了工艺流程及工艺条件。
- Preparation and Application of Isocyanuric Acid Chloride Products 氯代异氰脲酸类产品的制备和应用
- According to the existing problem in vinyl chloride production process, the differences between domestic and abroad were analysed. The basic status of advanced process from abroad was also introduced. 针对国内氯乙烯生产工艺存在的主要问题,分析了与国外先进工艺的主要差距,介绍了引进的国外先进工艺的基本情况。
- The place is known for its handicraft products. 这地方因出手工艺品而出名。
- Argentina is a big exporter of beef products. 阿根廷是牛肉制品的一大出口国。
- Many customers spoke for these new products. 很多顾客订购了这些新产品。
- The country's main products are gold and cocoa. 这个国家的主要产品是可可和黄金。
- Cereal products are good for our health. 谷物产品对我们的身体有益。
- They found some new outlets for their products. 他们为自己的产品找到了一些新的市场。
- He has a bias against Japanese products. 他讨厌日本的产品。
- The firm has better products than its competitors. 这家公司的产品比其对手的好。
- Such products are widely sold in markets abroad. 此类产品在国外市场很畅销。
- The products we sell are many and various. 我们出售的产品是各式各样的。
