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- 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。
- isotactic diad 全同立构二单元组
- 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。
- 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。
- 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。
- The shape of the molecule of the compound is in chain configuration having diad axis. 该化合物分子为链状结构,具有2次旋转轴。
- "Wei tai Capsule" diad or triple therapy can significantly decrease the intensity of chronic inflammation. ( 2 )胃泰二、三联疗法与标准三联疗法一样可显著减轻胃粘膜的活动性炎症 ;
- Aim: To study the application of PCR-STR DNA typing in forensic diad paternity testing. 目的 :探讨常染色体STR基因座检测在二联体亲子鉴定中的应用价值。
- Iso-tactic 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 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。
- 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。
- The application of ferreous synthetic furnace,triad graphite synthetic furnace and diad graphite synthetic furnace in the production of high purity hydrochloric acid is compared. 对铁合成炉、三合一石墨合成炉、二合一石墨合成炉在高纯盐酸生产中的应用情况进行了对比。
- 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 paternity in diad paternity testing cases can be successfully confirmed or excluded after DNA typing of 24 euchromosome STR loci simultaneously. 经 2 4个常染色体STR基因座检测 ,能确切地认定或排除亲生关系 ,得出正确的鉴定结论
- 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。
- A novel diad compound consisting of norbornadiene - steroid - benzophenone ( NB D - S - BP) was synthesized and its photochemistry was examined . 本文合成了一个新的降冰片二烯-甾体-二苯酮两元化合物(NBD-S-BP),并研究了它的光化学反应。
- 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。
- Solid phase grafting onto low isotactic polypropylene (LIPP) was studied in this paper. 研究了低等规度聚丙烯(LIPP)固相接枝马来酸酐(MAH)。