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- isotactic crystallinity 全同立构结晶性
- PHB has an unusually high degree of crystallinity due to the stereoregularity of the perfectly isotactic chains. 本文针对天津国韵生物科技有限公司提供的一系列poly(3HB-co-4HB)共聚酯，主要分三部分对其进行了研究。
- It is called isotactic polypropylene . 是一种叫等规聚丙烯的材料。
- For isotactic PMMA, it is greater than that for atactic one. 相同条件下辐照,全同立构比无规立构试样的裂解产额更大。
- The best way to represent the isotactic structure is with molecular models. 表示等规结构的最好方法是用分子模型。
- The grafting reaction and the extent of grafting had significant effects on the crystallinity and crystalline forms of isotactic polypropylene. 接枝反应和接枝率对全同立构聚丙烯的结晶度和结晶形态有很大的影响;
- Polyacetadehyde may exist in atactic, syndiotactic and isotactic forms. 聚乙醛可以以无规，间同和全同形式存在。
- The crystallinity of FTT fiber was found being changed by the heat setting. 不同的热定型工艺对纤维的结晶形态有影响；
- Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms. 聚乙醛可以以无规,间同和全同形式存在。
- It was showed that crystallinity of PP increased with the MFR rising. 结果表明,随着PP的MFR上升,其结晶度增加;
- The degree of crystallinity can be increased by annealing in an inert atmosphere. 结晶度可通过在惰性气体中的退火处理来提高。
- The dissolvability of chlorinated isotactic polypropylene (CIPP) prepared via solid state chlorinated was investigated. 研究了制备工艺条件、原料性质等对氯化等规聚丙烯溶解性能的影响。
- Because chitin has a high degree of crystallinity, it can only be diss olved in expensive organic solvents. 由于天然甲壳素结晶度高,在湿法纺丝过程中溶解甲壳素时需要使用价格较高的有机溶剂。
- Isotactic diad decreases with the increase of radiation dose. Meanwhile, atactic and syndiotactic diad increases. 随着辐照剂量的增加,全同立构含量逐渐减少,而无规立构含量和间同立构含量却逐渐增加。
- The crystallinity of polyethylene decreased with increase of content of short branched chain methyl. 聚乙烯随着短支链甲基含量的增加,结晶度降低。
- The papers with 57 refs.(to Oct,1991)reviews the studies of structure and properties of isotactic PS. 本文综述了等规聚苯乙烯的结构与性能的研究。
- Therefore,so called ?solvent etching? principle which was used to get crystallinity isnot suitable to VDF/CTFE copolymer system. 因此，依据“溶剂刻蚀”原理来求取结晶度的方法对VDF/CTFE共聚物体系并不适用。
- This review focus on the isotactic polystyrene(i\|PS) and syndiotactic polystyrene(s\|PS) crystal. 介绍了等规和间规聚苯乙烯的合成、晶型及晶体结构研究的进展情况。
- The crystallinity of corn starch could be enhanced by ultra high pressure processing in 5% CaCl2 or 5% NaCl solution. 5%25 CaCl2和5%25 NaCl可以提高处理后的淀粉的结晶度。
- The structure of chlorinated isotactic polypropylene(CIPP) was analyzed by DSC,IR,and 1H-NMR. 借助DSC，IR，1H-NMR方法对搅拌式固相氯化制备的氯化等规聚丙烯（CIPP）的宏观氯原子分布和微观氯原子分布进行了分析。
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海词词典，十七年品牌
