查询词典 catalytic

The aromatization of catalytic refinery gas without any pretreatment has been studied.

探讨了以未经任何预处理的炼厂气作原料气的芳构化反应。

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。

ZSM-5 molecular sieve was widely used as catalysts 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。

After intensive efforts from some catalytic research groups worldwide for about 10 years, many encouraging progress in terms of methane activation and aromatization mechanism have been achieved.

经过近十年的研究探索，在甲烷活化、芳构化机理方面均已取得了重要的成果，并形成了一些主要的观点。

The catalytic performances of prepared zeolite as catalysts for propane aromatization were investigated on a fixed-bed micro-reactor.

具有与苯分子动态直径相近的ZSM-5分子筛具有较高的烷烃转化率和芳烃选择性。

The catalytic performance for the Heck reactions of various substituted aryl halides with acrylic acid or styrene was studied.

研究了该催化剂对各种取代卤代苯与丙烯酸、苯乙烯的Heck芳基化反应催化性能。

It is imaginable that the catalytic system could be used in cross-coupling of aryl bromides with other active methylene compounds.

预计该催化体系可以广泛用于溴代芳烃与其它含活泼亚甲基化合物的交叉偶联反应。

After hydrothermal catalytic pyrolysis reaction of heavy oil,the stability of asphaltene became worse.

经过供氢催化水热裂解反应，稠油中沥青质的稳定性下降。

This paper reviews the progress in the research on a variety of heterogeneous asymmetric catalytic reactions with self-supported chiral catalysts.

本文概述了手性自负载催化剂的在一些不对称催化反应研究中取得的新进展。

Chiral amino-hydroxy compounds have been proved to be a very efficient class of ligands in a variety of catalytic asymmetric syntheses and chiral auxiliary synthesis catalyzed by metallic ions.

手性氨基-羟基化合物是一类用于催化不对称合成和手性辅助合成的重要配体。

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％。