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- polyphenyl thioester 聚苯硫醚
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)环氧化物是制取带苯环(或二苯)碳烯的极好原料。
- The synthetic methods of peptide thioester and peptide aldehyde are also discussed. 还介绍了与多肽片段连接有关的肽硫酯和肽醛的合成方法。
- Separation and analysis method of polyamines polyphenyl methane (MDA) by the LC ESI/MS was researched. 讨论了应用液相色谱 电喷雾质谱联用 (LC ESI/MS)分析多氨基多苯基甲烷的方法。
- In this paper, a polyphenyl substituted polyetherketone is synthesized in ambient conditions. 成功地合成了一种耐温等级高、可溶解的新型聚醚酮-多苯基取代联苯型聚醚酮。
- Toughening effects of polyphenyl elastomer, ABS, polyolefin elastomer and styrene resins on PS were studied with PS466F as matrix. 以聚苯乙烯 (PS) 46 6F为基体树脂 ,研究了不同抗冲击改性剂 :类苯乙烯弹性体、ABS、POE和苯乙烯类树脂对PS的增韧效果。
- According to the structure and oxidation mechanism of rosin, the light-colored reaction of polymeric rosin with phenols, phosphite ester, thioester and etc. 依据松香的结构及其氧化机理,考察酚类、亚磷酸酯类、硫酯类等对聚合松香的浅色反应。
- The double-faced color plate is normally used for the door.In the middle of door-body polyurethane or polyphenyl should be filled.The pervious window and small door can be set. 门体系统 :门板一般采用双面彩板,中间填充聚氨脂或聚苯,可开设透光窗和小门;
- The thermal stability of polyphenyl phosphate was analyzed by thermogravimetry and differential thermal method.The results indicated that it was thermal stable. 用热重和差热分析的方法对其热稳定性进行了分析,结果表明,其热稳定性甚好。
- The process and conditions,including the temperature,molar ratio of reactants,catalyst and its quantity to be added, for the manufacture of polyphenyl phosphate,were studied. 对缩聚磷酸苯酯的合成工艺中的反应温度、反应物分子比、催化剂及其用量等进行了探讨,得出了合成缩聚磷酸苯酯的合适条件。
- The purpose of polymethylene polyphenyl polyamines purification system is to get rid of anilin and water.The stripping tower and drying tower are two main separation units in the system. 多胺精制系统的任务是脱除粗多胺中的苯胺和水,针对现有工艺存在的精制效果差、消耗高等问题,分别对影响汽提塔和干燥塔的因素进行了模拟分析,提出了相应的改进措施。
- Abstract this pater introduces the experimental reasearch on the spraying procedure of Polyphenyl Ester Al-Si coating for engine parts and the analysis on the coating properties and application. 本文介绍了聚苯酯铝硅涂层喷涂试验研究的过程;并结合该涂层在发动机零件上的应用;分析了涂层的性能及应用.
- We ingeniously make use of anticorrosion feature of polyphenyl to use high-density foamed polyphenyl as waterproof layer to enable it to has extra long service year and lifelong waterproofing. 巧妙地利用聚苯不腐不烂的特性,以高密度发泡聚苯作为防水层。
- The double-faced color plate is normally used for the door.In the middle of the door-body polyurethane or polyphenyl should be filled.The pervious window and small door can be set. 门体系统 :门板一般采用双面彩板,中间填充聚胺脂或聚苯,可开设透光窗和小门;
- Keywords cefixime;activated thioester;synthesis; 头孢克肟;活性酯;药物合成;
- Spray coating with polyphenyl thioether 聚苯硫醚的喷涂
- Polyphenyl Ether and Its Modification 聚苯醚及其改性
- insulating mortar with polyphenyl granule 聚苯颗粒保温砂浆
- polymethylene polyphenyl isocyanate 聚亚甲基聚苯基异氰酸酯
- polymethylene polyphenyl polyamine 多苯基多次甲基多胺
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