二聚的

When both of them are present, the dispersion forms sterically stable state of strip structure.

TME表明，蒙脱土分散体系中加入 KCl使得蒙脱土颗粒聚集，而聚乙二醇导致经微絮凝；二者同时加入，体系形成细枝条状的空间稳定结构。

Effects of viscosity adjusting agents on morphology of epoxy resin/4,4′-diamino diphenyl sulphone/ polyetherimide blends and preparation of EP microspheres are studied.

研究粘度调节剂对环氧树脂/二氨基二苯基砜/聚醚酰亚胺共混物相结构及制备EP微球的影响。

This product was prepared w ith octamethyl-cyclotetrasiloxane and tetramethyltetravinylcyclote-trasiloxane as monomers,a low visco sity hydroxyl -terminated silicone oil as an end -bl ocking agent and tetramethylammonium hydroxide as catalyst.

以八甲基环四硅氧烷为单体，四甲基四乙烯基环四硅氧烷为改性单体，羟基硅油为封端剂和相对分子质量调节剂，四甲基氢氧化铵为催化剂，在羟基硅油质量分数小于0.13%，催化剂质量分数为0.004%～0.007%时，采用共聚法制备了相对分子质量大于45×104，收率大于90%的端羟基聚二甲基硅氧烷。

DPODPS with melting point within three degrees can be obtained,purified by recrystal.2, 4,4\'-diphenyoxy-diphenyl sulfone was synthesized by reaction of phenol with bis (4-chlorophenyl)sulfone in tetramethylene sulfone in the presence of NaOH.

将其在亲电反应条件下和对苯二甲酰氯或间苯二甲酰氯共缩聚制得了二种聚芳醚砜醚酮酮树脂，用IR、DSC、TG、WAXD等对其结构和性能进行了表征，同时研究了聚合物在300±10℃空气中的氧化热稳定性。

Amine terminated polyurethane resin has been synthesized with diethylene triamine and isocyanate terminated polyurethane resin mentioned above.

4利用二乙烯三胺和自制的端异氰酸酯聚氨酯预聚物合成端氨基聚氨酯树脂。

In this paper, polystyrene-b-poly(styrene-co-acrylonitrile) diblock copolymer was prepared by atom transfer radical polymerization.,with CuBr/N,N,N,N",N"-pentamethyl diethene triamine as the catalyst system.

本文以CuBr／nN，N，N，N&，N&-五甲基二亚乙基三胺为催化体系，研究了原子转移自由基聚合法PSt-b-P两嵌段聚合物的合成。

Preparation and Photoelectric Properties of Poly (2, 5-Dibutyloxy)-1, 4-Phenylene Vinylene

CEPS 思博网--文章书目；-1页数：4 需求点数：16 电子全文：请登入。篇名聚（2，5-二丁氧基）对苯乙炔的制备及其光电性能

The best battery powered ride on car for this age group is the one put out by Peg Perego, called Polaris Ranger RZR.

最好的年龄组为电池供电乘坐此车是一提出佩雷戈由聚乙二醇，叫北极星游侠

Deoxy-hemoglobin of Bar-Headed Goose was prepared with Na2S2O4 as reducing agent.The single crystals were obtained from polyethylene glycol solution 6000 at pH 7.2, 0.05mool/L phosphate buffer, protein 20mg/ml. Using the hanging drop methed.

报导了以Na2S2O4为还原剂制备脱氧血红蛋白，并以聚乙二醇溶液为沉淀剂，在pH7.2，蛋白浓度20mg／ml条件下培养出适合于X射线分析用的斑头雁脱氧血红蛋白晶体，经X射线平面探测仪收集衍射强度数据和处理。

Here the sprocket-and-peg drive to the main wheel can be more clearly seen.

在这里，链轮和聚乙二醇驱动器的主要车轮可以更清楚地看到。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。