查询词典 polymerization

Chitosan coagulates fine flocci together into lager, impact floccules and greatly strengthens the polymerization degree and coacervation force. The sedimentation rate and adsorption efficiency rise greatly. So the flocculation efficiency of this composite flocculant is superior to the single one.

无机絮凝剂CF-PAC、铝交联蒙脱石主要起吸附作用，而壳聚糖和PAM等有机高分子絮凝剂主要起吸附桥连作用，将细小的絮粒凝结在一起形成更大更致密的絮体，并使聚合度和凝聚力大大增强，从而使其沉降速度和吸附效率大大提高，起到优于单一絮凝剂的絮凝效果。

Inorganic flocculant CF-PAC、Al-pillared rectorite act as sorption mostly ; Meanwhile organic flocculant chitosan acts as the adsorption bridge mainly. Chitosan coagulates fine flocci together into lager、impact floccules and greatly strengthens the polymerization degree and coacervation force. The sedimentation rate and adsorption efficiency rise greatly. So the flocculation efficiency of this composite flocculant is superior to the single one.

无机絮凝剂CF-PAC、铝交联累托石主要起吸附作用，而壳聚糖主要起吸附桥连作用，将细小的絮粒凝结在一起形成更大更致密的絮体，并使聚合度和凝聚力大大增强，从而使其沉降速度和吸附效率大大提高，起到优于单一絮凝剂的絮凝效果。

The results show that glycerol, as surfactant, with a concentration of I % can alternate the interfacial tension between water and oil to some extent; thusly, the conglomeration problem can be inhibited during the microencapsulation process. Meanwhile, by controlling the reaction rate of condensation polymerization and adjusting the pH of the system, the floccules can be restrained effectively, and microcapsules with smooth surfaces are obtained. Finally, the addition of NH4Cl may result in properly strengthened microcapsules to resist the collapse during nature drying.

结果表明：采用质量分数为1%甘油做表面活性剂，可适当调节油／水界面张力，抑制微胶囊化过程中的黏结团聚；通过调节体系pH值，控制缩聚反应速率，可有效抑制水相中絮状树脂的产生，得到表面光滑的微胶囊；采用氯化铵作固化剂对微胶囊进行固化，可有效提高微胶囊的机械强度，得到在自然干燥后不破裂的微胶囊。

The catalyst under high temperature hydrolysis into fatty acids and glycerol, with the metal oxides can happen saponification reaction, Formation of metal soap and glycerin, but also for halide, sulfate, sulfonation, oxidation, hydrogenation, polymerization and pyrolysis reaction.

可在催化剂作用下高温水解成脂肪酸和甘油，与金属氧化物能发生皂化反应，生成金属皂和甘油，还可进行卤化、硫酸化、磺化、氧化、氢化、聚合、热解等反应。

The polyesters are obtained by the polymerization of maleic anhydride and polyethylene glycols.

多元酯被 maleic 醋酐和聚乙烯乙二醇的聚合获得。

Firstly, PATP was adsorbed on gold surface by forming S-Au bond, and then polymerized during the scan process; if a high potential was applied (i.e. 0.8 V), polymerization had occurred during accumulation.

实验发现，它首先通过HS-与Au结合而在电极表面发生吸附，接着在电化学扫描过程中进行聚合；若施加的电位足够正时(如0.8V)，PATP在富集过程中就已经被氧化，发生电聚合反应。

The grain shape of in-situ polymerization PAN in 10 T is open-ramified rod-like pattern with the diameter of 50nm and that of sccondary doped PAN in 10T change to spherical structure about 20-30nm, which are obvious differcnt from irrcgular reef-like particle shape of doped PAN in 0 T.

强磁场作用下的原位聚合聚苯胺颗粒呈现大约50nm的棒状，而对本征态聚苯胺在强磁场下再掺杂得到20～30nm的球状颗粒，与未加强磁场作用下的礁石状颗粒有明显区别。

In this paper,recent researches and developments on atom transfer radical polymerization in aqueous media have been introduced from the aspect of homogeneous aqueous system and various hete.

文中从均相水溶液体系以及悬浮、乳液、微乳液等非均相水溶液体系，分别介绍了近年来水介质中ATRP的研究进展，并对其发展方向进行了展望。

The usage of horse-radish peroxidase as catalyst i n organic synthesis,especially the progress in catalyzing the polymerization of an iline,derivatives of aniline,and phenol s were reviewed in this paper.

综述了辣根过氧化物酶在有机合成中作为催化剂使用，其催化机理为过氧化循环过程；以及辣根过氧化物酶催化合成苯胺、苯胺衍生物、酚类的研究进展，其特点为催化效率高。

A series of p hydroxybenzoic acid oligomers were synthesized of p acetoxybenzoic acid (4 ABA). Since the oligomers are insoluble in most organic solvent, we tried to analyze the degree of polymerization of the oligomers half stoichiometricly by the FT IR method.

用对乙酰氧基苯甲酸合成了一系列对羟基苯甲酸的齐聚物，由于这些齐聚物不溶于大部分有机溶剂，因此尝试用傅立叶红外谱半定量地分析齐聚物的聚合度。

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！