查询词典 catalysts

The effects of kinds of catalysts, amounts of sodium hypochlorite and reaction time on oxidation of the Canna starch were investigated.

芭蕉芋又称蕉藕和姜芋，是东南地区的主要农作物，在福建、广西、贵州、浙江一带大规模栽培，是丰富的淀粉资源 1~2。

In recent years, with the development of various good catalysts especially the ruthenium alkylidenes bearing N-heterocyclic carbene ligands, the RCM reaction has been applied widely in the synthesis of complex organic molecules, biological molecules and natural products etc. The Nobel Prize in Chemistry 2005 goes to Yves Chauvin, Robert H.

近二，三十年来，随着各种性能优良的催化剂的不断发展，尤其是含氮杂环卡宾配体的钌催化剂的出现，关环复分解反应在合成复杂有机分子，生物活性大分子以及天然产物等方面已得到了极为广泛的应用。2005 年的诺贝尔化学奖分别授予了 Yves Chauvin，Robert H。

Three kinds of novel N-heterocyclic carbene allyl palladium complexes (Catalyst 1, 2 and 3) were synthesized. Norbornene polymerizations were carried out using three catalysts activated with methylaluminoxane in toluene.

研究了以3种N-杂环卡宾螯合烯丙基钯配合物1、2和3为催化剂，甲苯为溶剂，甲基铝氧烷为助催化剂催化降冰片烯的聚合。

In this article, the heteropoly acids with Keggin structure are choosed as catalysts. Esterification of mixed dibasic acids and carbinol were studied.

杂多酸作为环境友好催化剂得到了广泛地应用，本文选用Keggin型杂多酸为催化剂，对混合二元酸与甲醇的酯化反应进行了研究。

However, catalysts of this type are extremely sensitive to carbon monoxide reactions.

然而，这种类型的催化剂是极其敏感的一氧化碳的反应。

The key of theme cast about for the more effective catalysts of metathesis reaction.

提高交互置换反应单程转化率的关键是寻找性能优良的催化剂。

Therefore, it is important to grasp some knowledge of catalysts and catalytic processes.

因此，适当掌握一些关于催化剂及催化过程的知识是非常必要的。

The influence of different transition metal on the morphological and catalytic activity of the catalysts was studied.

研究了搀杂不同过渡金属的催化剂的结构以及对甲烷催化燃烧活性的影响。

Now, the main problem in the development of catalytic combustion processes is to find suitable catalysts.

目前催化燃烧技术中的最大困难就是选择合适的催化剂。

The chiral metal complexes are mainly used on the chiral catalytic reaction as catalyzer. In recent years,some high activity chiral catalysts brought more and more people\'s attention.

手性金属配合物的主要用途是作为催化剂在手性催化反应中应用，近年来一些高活性手性催化剂的开发应用越来越引起人们的重视。

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。