查询词典 polymerization

The effects of dehydration temperature, ratio of dehydration, catalyst dosage, polymerization and depolymerization temperature on the yield of D, L-lactide were studied.

考察了制备过程中脱水温度、脱水率、催化剂量、聚合温度和解聚温度对丙交酯产率的影响。

Further research indicates that the polymerization of HEMA was induced by the disproportionation of dihydropyridinium. From results above, the mechanism of Gluma as a desensitizer could be proposed as follows.

发现戊二醛与牛血清蛋白之间的反应可以使水溶液中的HEMA聚合，进一步研究发现HEMA的聚合与二氢吡啶盐歧化过程所产生的自由基有关。

Poly-acrylic acid resin was synthesized by emulsion polymerization with meth-acrylic acid and methyl meth-acrylate as monomers. Which used as enteric film-coating material: aqueous poly-acrylic acid resin Ⅲ. and then desiccate them to resin powder by sprayer.

以甲基丙烯酸与甲基丙烯酸甲酯为共聚单体，用乳液聚合法制备肠溶型水性聚丙烯酸树脂Ⅲ乳液，喷雾干燥成树脂粉末。

The zero is polymerization-spot of all relations, also the starting-point of all relations, but it self does not have any determinable content.

零是所有关系的聚合点，也是所有关系的发出点，但它本身却不具有任何可规定的内容。

A vivid example of this: in the two deuterium nuclei polymerization into a helium-4 nucleus, it seems quality is not conservation, is the quality of helium-4 nucleus does not mean that two of the deuteron and quality.

这个例子生动地说明：在2个氘原子核聚合成1个氦4原子核时，似乎质量并不守恒，也就是氦4原子核的质量并不等于2个氘核质量之和。

When two deuterium nuclei (each containing a deuteron are proton, one neutron) polymerization into a helium-4 nucleus, releasing a large number of atomic energy.

因为当2个氘核（每个氘核都含有1个质子、1个中子）聚合成1个氦4原子核时，释放出大量的原子能。

The lowest of degree of polymerization of dextrin, with iodic action...

糊精的聚合度最低，和碘功能。。。

In this paper,the aqueous solution polymerization of acrylamide by using copper chloride/ethylene diamide/α chloroethyl benzene as an initiator was studied. Molecular weigh has a correlation of a straight line with the time.

原子转移自由基聚合是一种自由基"活性"聚合，自发现[1 ] 以来已应用该技术合成了一系列结构不同、性能各异的聚合物材料[2～ 3] ，并发展了多种ATRP引发体系，是活性聚合发展史上最简便的一种技术。

The other two methods can not give homogenous and diaphanous copolymer.CONCLUSION Solution bulk polymerization method is suggested.

利用溶液-本体聚合法，选择乙醇作溶剂，可以制备出均匀透明的Eudragit RS。

First, the precursor polymer with azobenzene groups on main-chain was obtained by condensation polymerization between 4,4'-dihydroxyazobenzene and N,N-(2-bromoethyl)aniline through Williamson reaction. Then the azo polymer containing azobenzene groups both on main-chain and side-chain was prepared through an azo-coupling reaction between the precursor polymer and the diazonium salt of 4-nitroaniline.

设计并合成了一种新型的主侧链均含偶氮生色团的聚合物，首先通过4，4'-二羟基偶氮苯与N，N-二溴乙基苯胺之间的Williamson反应缩聚得到主链含偶氮苯基团的先驱聚合物，再通过重氮偶合反应得到目标产物，并利用核磁共振、红外光谱、紫外可见光谱、热分析等手段确认了所制备聚合物的结构。

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！