Polycondensation catalyst may has bad effect on polyester afterprocessing properties.

The progress on the research of immobilization of homogeneous catalyst is introduced.

介绍了均相催化剂的固载化研究进展.

Catalyst particles were found together with the BCN nanotubes.

在所有生成的BCN纳米管中含有催化剂颗粒.

Moreover, he adds, because titanium dioxide is a catalyst, it could last forever.

此外, 他补充说, 二氧化钛是催化剂,不是消耗品,可以一直发挥作用.

Resin cures with the help of a catalyst.

松脂可以在催化剂的帮助下凝固变硬.

I see my role as being a catalyst for change.

我认为我的角色是促成变革。

The workers'demand for better conditions was a catalyst for social change.

工人们要求改善工作条件促进了社会变革.

By test compare, the technological design of comprehensive recovery from catalyst were advanced.

通过实验比较, 提出从废催化剂中综合回收有价金属的工艺路径.

Presents the basic principle, technical features and catalyst of no on line furnace sulfur recovery process.

介绍了无在线炉硫回收工艺的基本原理 、 技术特点和催化剂使用情况.

He said he saw the bank's role as a catalyst to encourage foreign direct investment.

他说，他认为银行就应该起到刺激外国直接投资的作用。

It acts as a catalyst in the process of fermentation.

它在发酵过程中起触媒的作用.

The physical resistance of catalysts plays a major role in catalyst selection and reactor design parameters.

催化剂的物理强度在催化剂选择和反应器设计参数方面起着重要的作用.

The different contents of various alkylation products were obtained with different catalysts.

烷基化产物以4-枯基苯酚,2,4-二枯基苯酚及2,4,6-三枯基苯酚为主.

The smectites are the most effective of the clay minerals as catalysts of these organic reactions.

对这些有机反应,蒙脱石是粘土矿物中最有效的催化剂.

Those catalysts are used in small tubular reactors.

那些催化剂用于小型管式反应器.

Hydroperoxide decomposition into radicals is accelerated by various catalysts, notable the transition metals.

氢通过氧化物分解为自由基的过程,可被各种催化剂加速, 特别是过渡金属.

Catalysts that lower markedly the activation energy of the reactions are required.

需要显著降低反应活化能的催化剂.

The methods of regeneration and preventing deactivation of catalysts are reviewed briefly.

简要介绍了催化剂的再生和防失活等方面的技术.

The effect of these catalysts is greater at low pressures than at high pressures.

在低压下这些催化剂的作用要比在高压下为大.

The future will see catalysts do even more to keep our environment safe and clean.

今后人们可以看到催化剂在使我们的环境安全和清洁方面会发挥更大作用.

Impurities that promote deterioration of polymers can be foreign materials, such as residues from polymerization catalysts.

促使聚合物劣化的杂质可能是外加的物质, 如残存的聚合用催化剂.