terminal group

Study on synthesis of liquid polysulfide rubber by terminal group conversion reaction

端基转化法合成液态聚硫橡胶研究

Effect on Combustion Heat of Saturated straight-chain paraffin with Terminal Group

端基对饱和直链烃燃烧热的影响

Study on factors affecting carboxyl terminal group content of polytrimethylene terephthalate

PTT端羧基含量的影响因素研究

Discussion on Determination of Relative Number Average Molecular Weight of Chitosan-Oligosaccharide by Terminal Group Analysis Method

关于端基分析法测定壳低聚糖的相对数均分子质量问题的探讨

Synthesis of open chain crown ethers with p-chloroaniline as terminal group

对氯苯胺为端基的酰胺型开链冠醚的合成

Study on Polyamides . Synthesis of Open Chain Ether with Pyridine as Terminal Group

多酰胺化合物的研究Ⅶ.吡啶端基开链冠醚的合成

Connection Skill for Three-phase Transformer Terminal Group

三相变压器接线组别的连接技巧

Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide .

引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构，并进一步影响其分子量和使用性能的重要因素。

A novel kind of ladderlike polysilsesquioxane having side-chain with chloropropyl terminal group was prepared by " Stepwise Coupling Polymerization " .

通过“逐步偶联聚合法”，合成了含氯丙基侧基的梯形聚倍半硅氧烷。

The central group identifies the linear structure of liquid crystal molecules , and the terminal group plays a major role in the dielectric liquid crystal materials , optical and other anisotropy nature .

其中，中央基团确定了液晶分子的线状结构，而末端基团则对液晶材料的介电、光学和其它各向异性性质起主要作用。

The change of intrinsic viscosity and carboxy terminal group content was studied for polylactic acid ( PLA ) at 10 - 40 min and 170 - 200 ℃ .

研究了聚乳酸（PLA）在10-40min和170-200℃的条件下热降解后的特性粘数和端羧基含量的变化。

The applications of NMR in the study of chemical structure , configuration , conformation , terminal group and heterogeneous system , as well as the development prospect of NMR were reviewed with 34 references .

综合评述了用NMR研究橡胶化学结构、构型、构象、端基和多相系统的情况，以及发展前景。

The effects of catalyst variety , co-catalyst amount , feedstock mole ratio , stabilizer amount and condensation temperature on carboxyl terminal group content of polytrimethylene terephthalate were studied .

研究了催化剂种类，助催化剂用量，原料配比，稳定剂用量以及缩聚反应温度对聚对苯二甲酸丙二醇酯（PTT）端羧基含量的影响规律。

Combining the X-ray photoelectron spectrum ( XPS ) analysis and CAFM , we have further studied the relationship between the conductance of SAM and the C1s binding energy of the terminal group of the molecule .

结合X射线光电子能谱，研究了末端基团中碳原子的结合能与相应硫醇分子电导的关系。

The four kinds of methods by which polysiloxane was dispersed evenly in the his-phenol A type of epoxy resins , including the reaction of active terminal group , the synthesis of block copolymer from silo-cane coupler ;

本文综述了将聚硅氧烷引入到双酚－A型环氧树脂的四种途径，即，活性端基反应；

Synthesis & application progress of terminal hydrogen group polysiloxane

端氢基聚硅氧烷的研究进展

Determining terminal carboxy group in PET by three-electrode potential titration

三电极电位法测定聚酯中端羧基含量

The synthesis method and the features of terminal hydrogen group polysiloxane were introduced , meanwhile its performance and application were discussed .

介绍了端氢基硅氧烷的合成方法及特点，并对其性能及应用进行了系统的论述。

Influence of Activity of Terminal OH Group of Polyester Diol on Mechanical Properties of Polyester-Based WPU

聚酯二醇端羟基活性对聚酯型水性聚氨酯力学性能的影响

The results showed that the thermal properties and relative molecular weight distribution had no evident effect on the spinnability of PBT when the content of terminal carboxyl group had a profound effect .

结果表明，PBT的热性能和相对分子质量分布对可纺性影响不明显，而其端羧基含量影响显著。

The content of terminal carboxyl group can be controlled under the optimal conditions as followed : catalyst concentration 120 μ g / g , esterification temperature 240 ℃, stirrer rotary speed of final condensation reactor 5 r / min.

控制PBT端羧基含量的最佳工艺为：催化剂浓度120μg／g，酯化温度240℃，终缩聚釜搅拌器转速5r／min。

A fiber-grade PBT was prepared from purified terephthalic acid by esterification . The effect of the performance of PBT on the spinnability was discussed by variance analysis . The influential factors on the terminal carboxyl group content of PBT were studied by orthogonal experiments .

采用精对苯二甲酸酯化法制备纤维级PBT，利用方差分析方法比较了PBT性能对可纺性的影响，并对PBT端羧基含量的影响因素进行了正交试验。

In this sort of nanoparticle probes , the long PEG chain provide steric stabilization to the probes so that they could survive in adverse conditions ; whereas , its terminal carboxyl group could bind target entity , which imparts detection / recognization functionality to the probes .

其中，聚乙二醇高分子链为探针空间稳定，使之可以耐受较苛性的条件；其端位的羧基可与抗体等靶向实体结合，从而赋予探针检测识别功能。

Siloxane modified polyurethane ( PU ) prepolymer was prepared by reaction between poly ( dimethylsilone ) oligomers with terminal amine group and PU prepolymer , then isocyanate group was blocked with sodium bisulfite ( NaHSO 3 ) and thermo-reactive water-based polyurethane was obtained by dispersion method in water .

用氨丙基聚硅氧烷与PU预聚体反应生成含硅氧烷的PU预聚体，通过NaHSO3封闭NCO基，并在水中分散制得有机硅改性热反应型水基聚氨酯乳液。

Terminal , 3-phase group . Open shape group to move terminal numbers .

三相成组的端接设备。打开形状组来移动端接设备编号。

Terminal characteristics for group 4 document facsimile apparatus

GB/T14558-1993四类文件传真机终端特性

Research on Relay Protection Configuration of Terminal Line Transformer Group and Transformer Neutral Point Grounding Schemes

终端线路变压器组继电保护配置及变压器中性点接地方式研究

Route ⅱ, OLL grafted to dextran via its terminal carboxylic acid group with the presence of nucleophilic reagent and coupling reagent .

路线Ⅱ为在亲核试剂及偶合剂的存在下，OLL末端羧基接枝葡聚糖。

Then the following problems are investigated : the menace of the collision attack to hash function , the littleness of computing resource in MAS terminal , the group key management in MAS system being suited by concentrated key management , not distributed key management .

然后针对存在的下列问题展开研究：哈希函数的碰撞攻击威胁；MAS终端计算资源少，MAS系统中的组密钥管理宜采用集中式密钥管理，不适合采用分布式密钥管理。

The output terminal of an encoder group is connected with the first servomotor .

编码器组的输出端与第一台伺服电机连接。