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- A new technology of synthesis of 1,3,5 trimethylbenzene from xylene has been studied, and the mechanism of alkylation is discussed. 研究了以混合二甲苯为原料,采用液相烷基化法合成均三甲苯的新工艺。
- A new technology of synthesis of 1,3,5-trimethylbenzene from xylene has been studied, and the mechanism of alkylation is discussed. 摘要研究了以混合二甲苯为原料,采用液相烷基化法合成均三甲苯的新工艺。
- The characteristic of synthesis technology of the polycrystalline cubic boron nitride, its performance and main application field are introduced. 介绍了聚晶立方氮化硼合成工艺的特点、材料的性能特征及其主要应用领域。
- It also analysed the principles,the route and technology of synthesis methods,and clarified the new preparation process of two typical aliphatic acid derivative. 具体阐述了两种典型的脂肪酸衍生物脂肪酸甲酯和脂肪酸甲酯磺酸钠的合成新工艺。
- It summarizes the technology of synthesis and post treatment,using paraformaldehyde and biphenyl as raw material,zinc chloride to catalyzer,through chloromethylation. 以列表的方式综述了以多聚甲醛,联苯等为原料,氯化锌为催化剂经氯甲基化反应制备BCMB的合成和后处理技术。
- The technology of synthesis of taurine by esterification of enthanolamine was improved,and the effect of various facto rs on reaction yield was studied. 对乙醇胺硫酸酯化法合成牛磺酸的工艺进行了改进,研究了各种因素对反应产率的影响。
- The technology of synthesis of taurine by esterification of ethanol amine was improved, and the effect of various factors on the yield of taurine was studied, especially esterification reaction. 摘要对乙醇胺硫酸酯化法合成牛磺酸的工艺进行了改进,研究了各种因素对牛磺酸产率的影响,尤其是酯化阶段各反应因素的影响。
- The science and technology of space flight. 航天学,宇宙航行学研究宇宙飞行的科学及技术
- Are there gaps in your rainbow of synthesis? 在你的合成彩虹中是否有裂缝?
- Objective: To improve the synthesis technology of zolmitriptan. 目的:改进佐米曲普坦的合成工艺。
- Veneer dyeing technology of the hardwood species. 几种阔叶树木材单板的染色工艺研究。
- STUDY ON THE TECHNOLOGY OF SYNTHESIS ANORTHITE SUPERFINE 溶胶凝胶法合成超细钙长石的工艺研究
- In the process of synthesis, we improved the old synthesis method. 在合成过程中,对文献报道的一些中间体的合成进行了改进,使得反应时间缩短,产物的纯度和产率大大提高。
- High yield cultivation technology of Pyrus L. 梨树丰产栽培技术。
- It's a technology of great importance worldwide. 它是世界范围内一项具有重大意义的技术。
- It serve as template and in process of synthesis of organic invito. 无机结合肽在生物体内作为无机组织形成的模板和促发剂,对生物组织功能结构的形成有重要意义。
- Planting technology of Actinidia spp. 猕猴桃种植技术。
- Exploration on Technology of Cattle Hide. 黄牛蓝湿皮的工艺探讨。
- Using the technology of ASP/ADO. 在B/S结构模式下;利用ASP/ADO.
- Completion technology of Lin4 ping2 well. 林4平2井完井工艺