When ROMP of monomers occured the unsaturated carbon-carbon double bond could remain in the main chain of polymers constituting its unique microstructure such as trans / cis ratio of double bond and tacticity .

经开环易位聚合后的聚合物主链上仍保留不饱和的碳碳双键，构成了其独特的微结构，如双键顺反比例及 立 构 规整性 等。

When the average diameter increased the size distribution narrowed and the tacticity higher of nanometer cubic calcium carbonate the thixotropy and yield stress of the suspension were enhanced .

当立方纳米碳酸钙平均粒径越大，粒径分布 区间越窄， 颗粒 规整 程度越高， 形成的悬浮体触变性 越好，屈服应力也越高。

Effect of polymerization temperature on the tacticity of poly ( tributyl tin methacrylate ) ( I )

聚合温度对聚甲基丙烯酸三丁基锡酯 等 规度的影响（Ⅰ）

Tacticity Distributions of Polypropylene Prepared with Supported Ziegler-Natta Catalysts

负载型催化剂制备的聚丙烯 等 规度分布

The tacticity of polymers is mainly influenced by the coordination ability of organotin monomers and polymers .

通过 计算 控制 等 规度的活化能 参数， 认为单体的锡 氧配位是影响聚合物 等规度的主要因素。

Effect of tacticity of PMMA on β phase formation of pvf_2 during quenching process

聚甲基丙烯酸甲酯的分子构型对淬火过程中聚偏氟乙烯（ PVF2）β相生成的影响

The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer .

作者 认为影响聚合物 等 规度的因素主要是取代基的极性效应。

The results indicate that the main tacticity of PMMA which coated on the surface of CaCO_3 nanoparticles is syndiotactic ( rr ) and its content is about ( 52.8 % ) .

结果表明：纳米CaCO3粒子表面 接枝的PMMA以间同（rr） 立 构 结构为主，其含量约 52.8%；

The effects of chain flexibility and tacticity on the glass transition of PP have also been investigated .

并分析了聚丙烯主链柔顺性和 立 构 规整 度对 高分子玻璃化转变的影响。

The activation parameters governing the tacticity are similar to those of poly ( methyl methacrylate ) but smaller than those of poly ( trimethyl tin methacrylate ) .

计算 出的控制 等 规度的活化能参数与聚甲基丙烯酸甲酯和聚甲基丙烯酸三甲基锡酯的 属同一 数量 级，可 相互比较。

Studies on the Tacticity of Poly ( methyl methacrylate ) Synthesized by Atom Transfer Radical Polymerization

甲基丙烯酸甲酯原子转移自由基聚合 等 规度研究

Study on tacticity and stereospecific polymerization mechnism of propylene polymerization with high effective supported catalyst by ~ ( 13 ) c NMR spectra

~（13） C-NMR研究高效载体催化剂丙烯立体定向聚合反应机理

Poly ( tributyl tin methacrylate ) has been synthesized by low temperature ( -45.6-60 ℃) radiation initiated polymerization . The tacticity and molecular weight of polymers have been measured .

测定了-45.6～60℃范围内由~（60）Coγ射线引发聚合的甲基丙烯酸三丁基锡酯的 等 规度。

Composition and tacticity distribution of propylene butene copolymer

丙烯丁烯共聚物的组成和 等 规度分布

Firstly the methods of 13C-NMR and IR spectrum were used to evaluate the triad tacticity of PAN . The results showed that the result calculated by the method of ~ ( 13 ) C-NMR were near to the theoretic value .

首先，借助~（13） C-NMR谱法和IR谱法对聚丙烯腈的 立 构 规整度进行计算，结果表明用~（13）C-NMR谱法所得的结果与实际值比较吻合。