释义 |
syndiotactic 英,sɪndaɪo'tæktɪk美,sɪndaɪo'tæktɪk BNC⁸²⁵³⁰⁺¹⁰ 基本例句 adj.化间同立构的;间规立构的 The recent research and development in metallocene-based syndiotactic polypropylene and catalyst are described, including the structures and the catalytic properties of syndiospecific metallocene; 概述了间规聚丙烯金属茂催化剂及其树脂的研究开发进展。包括间规聚丙烯金属茂催化剂的结构及其催化性能; chemyq The catalytic systems and polymerization mechanism of styrene syndiotactic polymerization were reviewed with 29 references. 对苯乙烯间规聚合的催化体系,聚合机理和研究现状等方面进行了较全面地综述。 cnki The complex polymorphism and the structural characteristic of various crystal forms are reviewed in syndiotactic polypropylene. 综述间规聚丙烯复杂的多晶型现象以及各晶型的结构特点。 chemyq The non- isothermal cooling crystal dynamics of syndiotactic polystyrene s- PS was investigated by DSC. 用DSC方法研究了间规聚苯乙烯 s- PS的非等温结晶动力学。 cnki The PP catalyst, the development of process technology, and features and application examples in syndiotactic PP production of metallocene catalyst during the last ten-odd- year were introduced. 介绍了聚丙烯 PP催化剂、工艺技术的进展及近十几年世界新开发的金属茂催化剂的结构、特点及用于生产间规聚丙烯的实例。 cnki The structure and morphology of syndiotactic polystyrene sPS melt crystallized in high vacuum electrostatic fields has been respectively investigated by using WAXD, DSC and SEM. 用 WAXD、 DSC和 SEM研究了高真空强静电场下熔融结晶的间规聚苯乙烯晶体结构和形态。 dictall Among the new fibers, new cellulosic fiber, syndiotactic PP fiber synthesized by metallocene catalyst and PTT filler will become the big competitors against the conventional fibers. 笔者认为在众多的纤维新品种中,新型纤维素纤维、茂系催化剂间规聚丙烯纤维、新型聚酯PTT纤维将成为老品种的强有力的竞争对手。 cnki Introduce briefly the new engineering plastics syndiotactic polystyrene, including its structure, property, processing and application, etc. 简要介绍新型工程塑料间同立构结晶型聚苯乙烯的结构、性能、加工及其应用。 chemyq Polyacetadehyde may exist in a tactic, syndiotactic and isotactic forms. 聚乙醛可以以无规,间同和全同形式存在。 bab This paper briefly described the formation cause of polymorphism of syndiotactic polystyrenesPS and the method for analyzing the polymorphism of sPS. 概述了间规聚苯乙烯多晶的成因及分析方法。 chemyq Syndiotactic polystyrene is a newly developing crystal engineering plastic and useful for the fields of automatization and electron. 间规聚苯乙烯是近年来发展起来的一种新型工程塑料,在自动化和电子工业中具有广阔的应用前景。 chemyq |