查询词典 catalytic

This paper provides a comprehensive review and critical analysis on the different reaction pathways for catalytic conversion of glycerol into commodity chemicals, including selective oxidation, selective hydrogenolysis, selective dehydration, pyrolysis and gasification, steam reforming, thermal reduction into syngas, selective transesterification, selective etherification, oligomerization and polymerization, and conversion of glycerol into glycerol carbonate.

本文提供了一个全面的审查和批判性分析的不同的反应途径甘油催化转化成商品的化学品，包括选择性氧化，选择性氢解，选择性脱水，热解气化，重整，热还原成合成气，选择交换，选择性醚化，齐聚和聚合，并转换成甘油甘油碳酸盐。

CATALYTIC ACTION OF METAL IONS ESPECIALLY CERIUM ION, IN THE DECOMPOSITION OF t-BUTYL HYDROPEROXIDE

金属离子，特别是铈离子在叔-丁基过氧化氢分解中的催化作用

The results showed that PHP had higher catalytic activity than that of diisopropylbenzene hydroperoxide, and 54% PHP had the same initiation effect compared with that of 100%DIP. The effect of PHP on properties of SBR latex was similar to DIP.

与过氧化氢二异丙苯引发聚合的对比结果表明，PHP的催化活性要比DIP的高，同样纯度的引发剂，PHP质量分数为DIP的54％时二者具有相同的引发效果，而且对所制备胶乳性能的影响相近。

Catalytic oxidation of carbazole was investigated using oil-soluble t-butyl hydroperoxide as oxidant and Mo complexes as catalyst.

以油溶性过氧化叔丁醇为氧化剂，采用钼类催化剂，对油品中性质稳定的氮化物－咔唑进行了催化氧化研究。

The modified electrode exhibited not only strong catalytic activity towards hydrazines and hydroxylamine, but also stable and reproducible performance in CEEC.

这一修饰电极对肼类化合物有极好的电催化氧化性能，极大地降低了肼类化合物的氧化过电位，在0.0V即可实现对它们的检测。

In this paper, catalytic activity of Cu2-urushiol resin to the hydroxylation of aniline by oxygen was studied .

摘 要 考察了附载Cu2+漆酚树脂对苯胺的催化活性。

The material exhibited a good catalytic activity in the reaction of benzene hydroxylation.

所合成的材料在苯的羟基化反应中表现出良好的催化活性。

Influence of individual reaction parameters on MF catalytic hydroxylation of PHP is studied to find out preferable reaction conditions.

研究了各种反应条件对铁酸镁MgFe〓O〓尖晶石类催化剂催化苯酚过氧化氢羟化反应的影响，找到了较好的反应工艺条件。

The catalytic activity was characterized by the reaction of hydroxylation of phenol.

并用苯酚羟基化合成苯二酚作为探针反应，考察了TS-1膜的催化活性。

The state of Cu species determine the catalytic performance in hydroxylation of benzene.

从XRD、UV-vis和H_2-TPR表征结果可见，催化剂制备中的焙烧温度、Cu的负载量和ZSM-5的硅铝比可以改变Cu物种与载体的相互作用强弱及Cu物种的分散状态，是影响催化剂苯羟基化反应性能的重要因素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。