查询词典 catalysts

In this process, the development of the catalysts and the industrial reactor are the key problem.

此过程的核心是催化剂和工业反应器技术的研究与开发。

The reclaim and reuse of catalysts were studied in this article.

本文还考察了催化剂的回收和重复使用。

XRD and TPR analysis prove that the crystal structure and reducibility of the catalysts are affected by nickel loading.

XRD和TPR 表征结果显示，催化剂的晶体结构和还原特性也与催化剂上镍的负载量有关。

H〓-TPR and CO-TPR show that the reducibility of the various Pd catalysts is different.

H〓-TPR和CO-TPR结果表明各种载体负载的Pd催化剂还原性能不同。

The surface structure and reducibility in H2 at 450℃ of these catalysts were characterized by LRS and XPS.

担体TiO2和TiO2分别采用TiCl4中和法和TiOSO4水解法制备。

It was demonstrates by the simulations that the distributions of velocity and temperature was heterogeneous whether in the axial direction or on the cross section.Especially,it was also indicated clearly that gas and catalysts refluence and their temperature gradient exists"two apices"and the concentration of gasoline and diesel increases rapidly at the nozzle zone.

模拟结果表明，提升管内速度、温度无论是轴向还是在横截面上都存在明显的非均匀分布，特别是喷嘴附近，气粒回流严重，温度梯度存在双峰特征，汽油、柴油浓度迅速增长。

The addition of catalysts markedly improved the efficiency of hydrocracking of Gudao residue in water-syngas system.

但是，目前该工艺使用昂贵的分子氢在一定程度上提高过程成本，制约了该工艺应用与推广。

The results indicated that:(1) It is viable to use the electron affinity energy of the metal atom in the catalyst, and the ortho-/para-substition ratio of phenolic model compounds as parameters. Thereby, the related data of Resole resins catalyzed by different catalysts can be put into the same training set for modelling.

研究结果表明：（1）用催化剂中金属原子的电子亲合能和酚醛模型化合物的邻／对位取代比作为特征参数是可行的，因而可将不同类型催化剂催化的Resole树脂的有关数据合并于同一训练集中进行建模。

Catalysts based on titanium [10], manganese [11], tungsten [12] and rhenium [13] have been described.

基于钛、锰、钨和铼的催化剂已经做了描述。

Ruthenium catalysts prepared by the new method possess larger surface area than that prepared by the traditional method.

结果表明，Ru负载在采用新方法成型的载体上制得的催化剂具有更大的比表面积。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐