查询词典 catalyst

In this study, the silicon and platinum in catalyst sample were both dissolved with aqua regia and hydrofluoric acid to dissolve the sample completely for platinum analysis.

本文采用王水与氢氟酸共同溶解硅和铂的方法，达到铂分析的全溶制样目的。

These changes of acidic sites might be the reason of Zn-M/HZSM-5 catalyst showed higher aromatization activity.

热分析结果表明，催化剂的积碳是催化剂失活的原因之一。

ZSM-5 molecular sieve is widely used as catalyst for aromatization, catalytic cracking and isomerization.

ZSM-5分子筛是应用广泛的催化体系，常用于烷烃的芳构化、催化裂化及异构化。

Weight ratio of water to oil ; weight ratio of catalyst to oil ; aromatization ; FCC gasoline

水油比；剂油比；芳构化；催化裂化汽油

It was found that this polymeric arsine palladium(0) complex is a highly active and stereoselective catalyst for arylation of styrene or acrylic acid.

通过用水合肼对上述聚硅氧烷负载的单齿胂钯配合物进行还原制备了聚硅氧烷负载的单齿胂钯(0)配合物，研究表明它是苯乙烯、丙烯酸芳基化反应的高活性和高立体选择性的催化剂。

Moreover, the polymeric arsine palladium(0) complex is an efficient catalyst for the carbonyl allylation of aldehydes and the coupling reaction of aryl halides with terminal alkynes or Grignard reagent.

该聚合物负载的胂钯(0)配合物还是醛的羰基烯丙基化及芳基卤化物与端炔、Grignard试剂的交叉偶联反应的有效催化剂。

In the part Ⅲ, we synthesized same aryl acid esters by 〓 catalyst system, and found that this system can be used to industrial procedure widely.

第三部分，我们对〓复合催化芳香羧酸酯化的情况进行了探讨，发现了一个新型实用的催化体系，并具有较好的工业应用前景。

We have investigated the Suzuki cross-coupling reaction of aryl bromides at low catalyst loading and low temperature.

经过一系列实验条件的摸索，采取了在比较低的催化剂用量和比较低的温度的实验条件下进行了一系列底物的Suzuki偶联反应，结果以极好的收率得到相应的偶联产物。

The relationship between activity of catalyst and crystalline structure, and surface traits was associated via some characterizations.

根据反应活性与结构性能的研究结果，提出了在碳化钼催化剂上的POM反应机理。

Some people have had this issue with ATI Catalyst Control Center and found numerous errors in their event log.

有些人有这样的问题与 ATI 的催化剂控制中心，并发现了许多错误，在他们的事件日志中。

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％。