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molecular chain action 分子键作用
IR ananlysis shows that graft copolyxnerization took place on the tertiary carbon atom of PP molecular chain. 红外光谱分析表明，丙烯酸接枝在聚丙烯大分子链的叔碳原子上。
The mean relative reactivity of three kinds of protons towards chlorination is R(CH)>R (CH2) >R(CH3), and the chlorine atoms are distributed homogeneously in the molecular chain. 伯、仲、叔三种氢的相对氯化活性为R(CH)>R(CH_2)>R(CH_3),并乒表明氯化反应比较均匀地发生在无规聚丙烯分子链上。
The experimental results indicate that the polyethylene synthesized with rare earth cata-lyst shows characteristics of extended molecular chain. 用各种物理方法初步证明,稀土聚乙烯熔点较高的原因可能与其具有伸展链结晶结构有关。
The TEM observation indicated the molecular chain of BR was intercalated into the OMMT layers, and OMMT was dispersed in BR on nano-scale. 结果显示，BR大分子链插入到OMMT片层中，OMMT在橡胶中为纳米级分散；
But cationic charge density in molecular chain of flocculants is not unique dominating factor affecting the flocculation effect. 阳离子型絮凝剂分子链上的阳离子电荷密度不是影响絮凝效果的惟一主要因素；
Polymers consist of long molecular chains of covalently bonded atoms. 高聚物都是由共价链联接原子而形成的长链分子所组成。
Acrylic rubber's main molecular chain is saturated and has polar esterlinkage, which endues it excellent heat-resistant and oil-resistant properties. 丙烯酸酯橡胶的分子主链为饱和碳链，同时由于带有侧酯基，使其具有优异的耐油性能和耐热性能。
Therefore, it is inferable that A-90 possesses higher molecular chain regularity than LDJ-240. Both A-90 and LDJ-240 are suitable to be used as adhesives. A-90比 LDJ-240结晶速度快,结晶度变化小,从而推断A-90的分子链结构更规整,A-90和 LDJ-240适合作粘接型材料。
The synthesis methods of B stage resins (BA/Py,BA/Ph and PHBA)possessing triarylmethane strcuture and their unit structures of molecular chain were introduced. 介绍了BA/Py，BA/Ph和PHBA三种具有三芳基甲烷结构B阶树脂的合成方法及分子链的单元结构形式。
The main results obtained can be summarized in 15 parts as follow:(1) SMA can be grafted to molecular chain of PA6 by reaction between PA6 and SMA in phenol solution. PA6与SMA在苯酚溶液中反应,可将SMA接枝到PA6分子链上。
When this process occurs, molecular chains can orient in the fiber direction. 在此处理过程中，分子键能沿纤维轴向定向排列。
Rheological and wall building properties of polymer mud are also influenced by the kind of adsorption groups and hydration groups and their proportion in the molecular chain. 分子链中吸附基和水化基因的比例以及种类对聚合物泥浆流变性和造壁性起着重要作用。
With the addition of UHMWPE, microstructure of the composite is improved, so-called interlocking shish-kebab morphology is established by super long molecular chain of UHMWPE. UHMWPE的加入可以改善材料的微观结构，增加材料的串晶互锁结构。
Qingzeng Zhu, Chen Zhang, Shengyu Feng, Jianhua Chen. Effects of the o-Aromatic Ring in the Molecular Chain on the Properties of Polyester Polyols. J Appl Polym Sci 2002,83:1617. 朱庆增，张晨，冯圣玉，陈剑华.;聚氨酯软段结构中的邻位芳环对其热稳定性的影响
Interior structure of MR(Metal Rubber) is made of thin helical metal wire which entangles each other, so it is just like the molecular chain of high polymer. 金属橡胶，其内部结构是金属丝相互交错勾联形成的类似橡胶高分子结构那样的空间网状结构，因而得名金属橡胶。
The rubber reclaiming agent A can be used to break the cross linkage of vulcanizate and protect the molecular chain of rubber from the oxidation at the same time. 橡胶再生剂A可以使硫化胶的交联键断裂,同时限制氧化作用对橡胶高分子主链的侵害。
The quicker rate of crystallization makes the growth of molecular chain on the plane perpendicular to HB easier, but more difficult for the plane parallel to HB. 结晶速率快时有利于分子链在垂直于氢键平面方向上堆砌,反之有利于在平行于氢键平面方向上生长。
Some of these carbon-based molecular chains are called tannins, and they can add bitterness or astringency to a wine. 一些以碳为基础的分子链称为丹宁，他们能使葡萄酒增加苦味和涩味。
FTIR results indicate that terbium ions coordinated with the carbonyl groups in polyurethane molecular chains. 红外光谱研究结果表明，试离子与聚氨酯分子链中的碳基发生了配位作用。