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- The results suggested that the decisive factor of the composition of the grafted copolymers was the reactivity ratio and the molar ratio of two monomers, which was testified further by the analyses of the IR and TGA. 接枝产物的红外、重分析进一步佐证了竞聚率对不同二元单体体系接枝生成物结构的影响。
- The photosensitive materials are always polymer, when the photochemical reaction carries out, the backbone of polymer probably can obstruct the photosensitive group, which make the reactivity ratio of the film to be low. 这主要是由于人们多采用光敏高分子作为成膜材料,光敏基团在空间位置上受到高分子主链的阻隔,定向光化学反应程度低。
- copolymerization reactivity ratio 共聚合单体反应性比率
- In practice, such little information rarely suffices but, even so, a large number of monomer reactivity ratios have been determined. 实际工作中，这样少的情报难以满足需要，但是既使如此，已经测得了大量单体竞聚率。
- Firstly,the reactivity ratios of radical copolymerization are determined by intercept-slope method, YBR method, JJ method (linear intersect), TM method (non-linear least squares) and microcomputer dynamic search method using microcomputer. 第一方面：利用计算机，通过截距斜率法、YBR法、JJ法(直线交叉法)、TM法(非线性最小二乘法)和动态搜索法测算共聚体系竞聚率，其中TM法和动态搜索法获得比较精确的竞聚率结果。
- Monte Carlo calculation of monomer reactivity ratio and sequence distribution 单体竞聚率与共聚物序列分布的蒙特卡罗计算方法
- Keywords acrylonitrile;venae;reactivity ratio （RR）;simplex numerical method; 丙烯腈;醋酸乙烯酯;竞聚率;单纯形法;
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- Reactivity Ratios of AN/NBMA/ITA Co-polymerization Systems 丙烯腈/甲基丙烯酸正丁酯/衣康酸三元共聚体系竞聚率的研究
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- Monomer reactivity ratio of butadiene- isoprene copolymerization and structure of copolymer 负载钛系催化丁二烯-异戊二烯共聚合的竞聚率及共聚物的结构
- Studies on Sequence Distribution of Copolyureas andRelationship of Diamines Reactivity Ratio 三元共聚脲序列分布及二胺反应活性比的研究
- They differ in solubility and chemical reactivity. 它们在溶解度和化学反应活性上有差别。
- THE DEPENDENCE OF REACTIVITY RATIO AND ALKYL RADICAL ON THE COPOLYMERIZATION OF MMA AND A SERIES OF ORGANOTIN MONOMERS 竟聚率值、烷基基团和系列有机锡单体、MMA共聚活性的相关性
- Determination of Reactivity Ratio of N-Maleoyl-L-Alanine and Styrene in Microemulsion Copolymarization N-马来酰-L-丙氨酸与苯乙烯乳液共聚合竞聚率的测定
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Stability and Reactivity The product is stable. 稳定性与反应特性这个产品是稳定的.
- Organometallic Reagents, Reactivity and Basicity. 醇的合成（已知方法和新的策略）。
