查询词典 catalysts

The product was immiscible with the catalyst and could be separated simply by decantation after the reaction. As environmental benign catalysts, the TMPSHSO4 could be reused for nine times without noticeable lowering of catalytic activity.

结果表明，[HSO4]具有很高的催化活性，n(C6H8O7)：n(C4H9OH)=1：3.5时在125~130℃下反应3.0h，酯化率达到99%；反应结束后产物与催化体系分层，简化了分离过程；离子液体可以循环使用9次，催化活性无明显变化。

In all the methods of catalysts preparation, sol-gel process drying by high temperature decrepitation could achieve the best catalyst.

而在浸渍法和几种溶胶—凝胶法中，使用溶胶—凝胶法并使用高温烧爆法干燥的催化剂取得了最高的产量。

Catalysts made the deposition dehydrogenate to form coke and the coke convert from low-temperature type to high-temperature type. The higher the catalyst activity was, the more the conversion was.

催化剂促使沉积物脱氢形成积炭，并且使积炭从低温型向高温型转化，催化剂活性越高，转化越明显。

The research achievements including NO generation of coal-burning power plant, all kinds of denitration technology at domestic and abroad, property of selective catalyst reducing denitration technology and comparison of different catalysts were introduced.

本文介绍火电厂燃煤锅炉NO的生成途径、目前国内外各种脱硝技术方法、选择性催化还原烟气脱硝技术特点及不同催化剂型式性能比较等研究成果。

Oxygen electrode is one of the important components in metal-air cell. The main effect factors on performance of oxygen electrode are catalysts′ oxidation and deoxidization capability and structure of oxygen electrode.

氧电极是金属空气电池的重要组成之一，影响氧电极性能的主要因素是催化剂的氧化还原性能和氧电极结构。

While, an order of sintering for the Pd particles on aged catalysts has been obtained by the wide angle diffraction patterns.

经计算机非线性回归探讨了不同催化剂上Pd的烧结动力学及机理，并用固定床微型反应器考察了烧结前后催化剂上CO氧化活性的变化。

The study mainly aims at the optima composition and suitable technological conditions of stearoylbenzoyl-methane--one of theβ- diketone compounds prepared from methyl stearate and phenyl ethyl ketone under alkaline catalysts.

主要研究采用硬脂酸甲酯和苯乙酮在强碱类催化剂作用下制备β二酮化合物之一的硬脂酰苯甲酰甲烷的最佳配方和适宜的工艺条件。

Dialkylmethylamine is the main by-product in the amination reaction of fatty alcohol with dimethylamine catalyzed by Cu-Ni catalysts.

这是对于Cu-Ni、Cu-Ni-Zn、Cu-Ni-Mg及Cu-Ni-Zn-Mg四个系列的催化剂的普遍规律。

Two different catalysts for oxidative coupling of 2-naphthol to give racemic 1,1′-binaphthene-2,2'-diol were introduced and the yields in different conditions were studied.

介绍了两种在水相中利用2-萘酚氧化偶合制备外消旋1，1'-联-2，2'-二萘酚的催化剂，并对不同反应条件下的产率进行了研究。

The method of liquid phase synthesis of dioxane from the cyclodehydration of diethylene glycol catalyzed by ASP-type solid acidic catalysts was studied.

研究了ASP型固体酸催化剂一缩乙二醇环化脱水合成1，4-二氧六环的液相反应。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。