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%).

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

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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。

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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

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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）

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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。

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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

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Composition and tacticity distribution of propylene butene copolymer

丙烯丁烯共聚物的组成和等规度分布

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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。

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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。

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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。

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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

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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。

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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。

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'We have the most natural produce in the country,' said Canadian expat and restaurateur Kim Seagram. 'That's the nice thing about Tasmania being 15 years behind the rest of the world.'

我们有全澳最天然的农产品，从加拿大移居而来的餐馆老板金姆·西格莱姆（Kim Seagram）说，塔斯马尼亚比世界其他地方落后15年真是件好事。

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Of course, there are iconic buildings-overused word-but buildings which over time still command our respect and attention, and, you know, they roll off the tongue. There's the Seagram Building, you know? There's the Chrysler Building, the Empire State and so on.

当然，还有许多“代表性建筑”——这是陈腔滥调了——这些历时许久的建筑，仍然深受我们的仰慕和关注，大家经常挂在嘴边，例如西格拉姆大楼、克莱斯勒大厦、帝国大厦等等。

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In New York the skyline had been dominated by the corporations which fed the economic boom time of the postwar years: Lever House, the Seagram Building, the Pan Am Building, the AT& T Tower.

在纽约，天际线一直由催生了战后经济繁荣期的企业主导：利华大厦（Lever House）、西格拉姆大厦（Seagram Building）、泛美大楼（Pan Am Building）以及美国电话电报公司大厦（AT&T Tower）。

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I renounced terrestrial foods long ago, and I'm none the worse for it.

很久以夹，我就不吃陆地上的食物了，我的身体也并不见得差。

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He fell into the river but fortunately he's none the worse for it.

他掉进河里，但是幸运地未因此而受伤。

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I don't mind at all, just as you like. He is none the worse for it.

我一点也不在乎，随你的便。

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It was finished quickly but it's none the worse for that.

它很快就结束了，可是那一点也没有什么不好。

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