查询词典 polymerization

The advantage s of quality,plasticizing properties and processing properties of PVC resins produced by bulk polymerization process in the production of pipe fittings were introduced.

比较了本体法PVC7型树脂与悬浮法PVC-SG7型的生产工艺，介绍了本体法PVC树脂的质量、塑化性能和加工性能等在管件生产中的优势。

The process of the preparation of the kind of emulsion mainly includes two important parts.The first part is emulsion polymerization of polysiloxane , that is , octamethylcyclotetrasiloxane polymerizes into polysiloxane emulsion by means of ring-expansion under emulsion and acid conditions.

制备过程主要包括两部分的内容：第一部分内容是聚硅氧烷乳液的合成，即八甲基环四硅氧烷在乳液状态中，酸性条件下开环聚合制成聚硅氧烷乳液。

The first part is emulsion polymerization of polysiloxane , thatis , octamethylcyclotetrasiloxane polymerizes into polysiloxaneemulsion by means of ring-expansion under emulsion and acidconditions.

制备过程主要包括两部分的内容：第一部分内容是聚硅氧烷乳液的合成，即八甲基环四硅氧烷在乳液状态中，酸性条件下开环聚合制成聚硅氧烷乳液。

Based on the method of stepwise increasing temperature in the process of polymerizing PDMDAAC initiated by APS which has been successfully studied in our research group, the optimal method of increasing temperature in the polymerization initiated by the AIBA.2HC1 was found.

以本课题组在采用APS引发DMDAAC水溶液聚合时的所用的梯度升温方式为基础，通过实验得到了适合于AIBA·2HCl引发DMDAAC水溶液聚合时的梯度升温方式中各阶段的最佳温度。

The present invention is one kind of supported olefin polymerizing catalyst of metallocene and post-transition metal and its reaction process of catalyzing ethylene polymerization.

本发明是关于一种负载化茂金属和后过渡金属烯烃聚合催化剂及其制备方法，以及其催化乙烯聚合的反应工艺。

The polymerization of monomer procreated easily in the presence of silver nitrate and the monomer conversion increased with silver nitrate increasing below its critical concentration.

这种双原位合成技术能够在室温常压下实施，银离子的还原和单体的聚合同时发生，相对简单、省时，有望用于制备其它不同尺寸和组成的无机/聚合物纳米复合材料。

The pulps obtained have a high brightness value and a degree of polymerization close to the raw pulps.

获得的纸浆具有高的亮度值和接近于原纸浆的聚合度。

As far as the Fe catalytic system, the higher the Al/Fe molar ratios, the stronger Lewis acidities and the higher reactivates of carbon-aluminum bond in the cocatalysts resulted in the higher polymerization activities.

以铁配合物为主催化剂时，各种助催化剂催化乙烯聚合活性随Al／Fe比的增加而升高；助催化剂的Lewis酸性越强，其分子内碳—铝键的反应活性越高，聚合体系的聚合活性则越高。

The interaction between MT and AA was expressed by infrared spectra, the functional groups of -SH in MT had lone pair electrons, which could formπ-πwith -C=O in AA. The equilibrium binding experiment and Scatchard analysis showed, at least three kinds of binding sites would exist when MT-imprinted polymer formed, the most adsorption capacities were 3.3896mg/g, 0.9362mg/g, 1.6583mg/g respectively; most terminal thiolate sulfurs in MT were polymerized as binding sites in the process of polymerization, which could observed from TEM, binding capability of other thiolate sulfurs was weak since spatial hindrance existed.

采用红外光谱研究了加入金属硫蛋白后功能单体丙烯酸官能团谱峰的变化，结果表明金属硫蛋白分子中的-SH与丙烯酸中的C=O在氯仿溶液中能形成π-π键，由聚合物的吸附特性和Scatchard分析可以得出，金属硫蛋白印迹聚合物至少存在三种结合位点，其高、中、低的最大吸附量分别为3.3896mg/g、0.9362mg/g、1.6583mg/g；通过透射电镜可以观察到，金属硫蛋白在聚合过程中主要以分子两端的巯基作为结合位点，不同位置的巯基受到的空间位阻不同，导致产生了三种不同的结合位点。

Ask others to comment on your article with modest manner, a such polymerization that are based on key word can make rich objective worthier, have conduct propaganda more, one is based on the benign loop of the network.

以谦虚的态度请别人来点评你的文章，这样一个基于要害字的聚合能使得博客更有价值，更有宣传，一个基于网络的良性循环。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！