查询词典 polymer

For example, compounds containing phosphorus are converted to acidic materials which catalyze the thermal decomposition of the polymer.

例如，含有磷的化合物可以转变成酸性物质，它会催化聚合物的热分解。

Based on summarizing and analyzing predecessor' works, by means of the principle for probability and statistics, the Cauchy distribution for converting rate of polymer micro core is proposed, and the expressions of ultimate converting rate and average molecule weight is derived in the process for establishing first-principle model of polyacrylonitrile.

以化工聚合反应过程为研究背景，在总结各类模型技术特点的基础上，针对聚合过程的复杂性、时变性、非线性和不确定性等性质，提出了一种通用的化工聚合反应过程多类型混联混合模型的建模方法。

The advantages and major technical problems of polymer electrolyte membrane fuel cell are briefly introduced.

简要介绍了聚合物膜燃料电池的特点及其存在的主要技术问题。

Analysing in the view of molecular kinetic theory, paste flowability is a shift of molecular mass center by the jump of polymer chain segment, and it affects the mass-transfer directly.

从分子运动角度分析，糊料流动是高聚物大分子链段协同"跳跃"而实现整个分子质量中心位移，对传质具有直接影响。

Therefore, researching on the influence of effluent for vibration property of the sucker rod string has important reference value for rational configuration interval design of sucker rod centralizer, and also has important significant theoretical actual meaning on the simulation of the dynamic parameters and optimizing the running of polymer holes.

因此，研究聚驱抽油机井产出液对抽油杆柱振动特性的影响，对于指导扶正器配置间距设计、完善聚驱抽油机井动态参数仿真与运行优化技术都具有重要的理论和实际意义。

Application and development of centrifugal force field in polymer processing is introduced.

主要介绍了离心力场在聚合物加工中的应用、发展和现状，由此可知，当今离心力场在聚合物加工中的应用现状还仅仅处于研究阶段，尚未进入工业应用阶段。

The advantage of supercritical carbon dioxide used as an environmental medium in polymerization and reactions in supercritical carbon dioxide are described. It includes homogeneous free radical polymerizations, precipitation free radical polymerizations, dispersion free radical polymerizations, emulsion and inverse emulsion free radical polymerizations, cationic polymerizations, ring-opening polymerization, melt-phase condensation polymerizations, sol-gel polymerizations, polymer blend synthesis, catalytic chain transfer polymerizations, oxidative coupling polymerization, nitroxide-mediated radical dispersion, atom-transfer radical polymerization, reversible addition-fragmentation chain transfer polymerization, electrochemical polymerization, simultaneous one-pot combination of enzymatic and chemical polymerization, copolymerization of carbon dioxide used as monomer.

评述了ScCO2作为聚合反应介质的优点，以及在ScCO2中可进行的聚合反应类型，包括均相聚合、沉淀聚合、分散聚合、乳液及反相乳液聚合、阳离子聚合、开环聚合、熔融态缩聚、溶液-凝胶聚合、聚合物混合合成、链催化转移聚合、氧化-偶合反应聚合、氮氧自由基可控活性聚合、原子转移自由基聚合、可逆加成-断裂链转移、电化学聚合、原子转移聚合与酶催化开环聚合两种活性聚合在ScCO2中同时聚合、二氧化碳作为原料共聚合等。

This liquid rubber can formed high polymer through the reaction of functional group to extend chain.

由于该类液体橡胶可通过官能团反应进行链的延伸，形成高聚物。

Novel sulfonic acid and carbon chains of mixed-mode packing materials were synthesized through sulfonating polymer-encapsulated zirconia covered by a porous copolymer of olefinic hydrocarbon and divinylbenzene on its surface.

通过共聚交联方法将长链碳烯-苯乙烯包覆到锆胶表面上，得到聚合物包覆固定相，再对该填料进行磺化引入离子官能团到聚合物表面，得到混合型固定相。

PVA CHAMOIS is produced by high polymer PVA using special technics,and has function of super absorb water.

合成擦车巾、仿鹿皮巾是以高分子PVA合成的，具有超强吸水功能的产品。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！