查询词典 catalysts

On the other hand, a method for the synthesis of-vinyl chalcogenides by the coupling of vinyl bromides with thiols or diphenyl diselenide using copper salts as catalysts in ionic liquids based on amino acids also has been described. The ionic liquids play multiple roles in the reaction: they act as solvent, base, and excellent promoter for the copper-catalyzed coupling reactions.

在新型的氨基酸负离子的离子液体中，开发了一个亚铜盐催化的Z-型溴代烯烃与硫族元素的交叉偶联反应，为立体选择性的制备Z-型烯基硫醚或烯基硒醚类化合物提供了一个新的方法；在此反应体系中，离子液体不仅起到了反应溶剂的作用，而且还起到了金属催化剂的配体和中和反应副产物的碱的作用。

The evaluation of the catalysts in the n dodecane hydroconversion showed that, when the Si/Al rat.

正十二烷加氢转化反应评价表明，在催化剂Si/Al比为 17。

The catalytic performances of the catalysts were studied by alkylation reaction of benzene and dodecylene in a micro-reactor.

采用负载磷钨酸的SBA-15分子筛作为催化剂，以苯和十二碳烯为原料，经烷基化反应合成十二烷基苯。

The influences of the composition of the catalysts, reaction temperature, space velocity and mol ratio of benzene and dodecylene on the conversion of dodecylene and the selectivity were researched.

在微型液相固定床反应器上考察了反应漫度，空速，磷钨酸负载量以及苯烯摩尔比等反应条件对催化剂性能的影响。

Using liquid-reduction or complex-redution method,four catalysts,i.e,the Au/C,Pd/C,Pd-Au/C-T and Pd-Au/C-H were preparated and which electroanalytic activities and stabilities for the oxidation of formic acid were compares.

合成并比较了碳载Au、碳载Pd、碳载高合金化Pd-Au和碳载非合金化Pd-Au催化剂对甲酸氧化的电催化活性和稳定性。

Part II:The electrocatalytic oxidation of guanine, adenine, guanosine-5'-monophosphate and ssDNA was performed in the presence of iron bis(2,2':6',2"-terpyridine) and Fe tris(1,10-phenanthroline) complexes as a homogeneous catalysts with Fe redox couple. The electrocatalytic and electroanalytic properties of guanine with an iron bis(2,2':6',2"-terpyridine) complex was measured by the amperometry method using the rotating disk electrodes. Electropolymerization of iron tris(5-amino-1,10-phenanthroline) complex produced thin polymer films on a gold, platinum, nickel, and glassy carbon electrode.

第二部分利用iron bis(2，2'：6'，2&-terpyridine)和Fetris(1，10-phenanthroline)之金属错合物当作均相的催化剂对於鸟嘌呤、腺嘌呤、5'-鸟嘌呤核苷单磷酸盐(guanosine-5'-monophosphate)和单股DNA进行电催化氧化的研究。iron bis(2，2'：6'，2&-terpyridine)之金属错合物对於鸟嘌呤的电催化和电分析性质可利用计时安培法并使用旋转环-碟电极进行测量。rontris(5-amino-1，10-phenanthroline)之金属错合物可经由电聚合过程所形成的聚合薄膜固定在黄金、白金、镍和玻璃碳电极上。

The electrocatalytic performance of the Pd/TiC-C catalysts for the oxidation of formic acid was investigated.

研究了TiC和C作混合载体的Pd催化剂对甲酸氧化的电催化性能。

Theresults indicated that the electrocatalytic activity of dual catalysts was better than anyingredient of them.

结果表明，双催化剂的电催化活性要高于其中任一组分。

The direct electroreduction of nitrite requires large overpotential on most electrode surfaces, however, various transition-metal complexes were proved to be good catalysts for nitrite reduction.

NO〓〓的直接电还原需要很高的过电位，但各种各样的金属配合物被证明是NO〓〓电还原的良好催化剂，而我们在实验中惊奇地发现一系列饱和未取代的和稀土取代的杂多化合物对NO〓〓还原产生良好的催化作用。

The nanoTiO2-CNT-PtNi complex catalysts were prepared by the direct hydrolysis of electrosynthetic precursor Ti4 and electrochemical scan electrodepositing method.

采用电合成前驱体Ti4直接水解法和电化学扫描电沉积法制备纳米TiO2-CNT-PtNi复合纳米催化剂。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。