查询词典 catalysts

We synthesized some inorganic and organosilicon polymer-supported ruthenium complexes and used them as catalysts for oxidation of styrene.

我们合成了几种无机和有机硅高分子负载钌的催化剂并用于催化苯乙烯选择性氧化制备苯甲醛的反应。

Ruthenium catalysts are known to be quite sensitive to the nature of supports, promoters and precursors in ammonia synthesis.

介绍了钌系氨合成催化剂的载体、促进剂、钌活性前身物对氨合成催化活性的影响。

It was found that different catalysts has different catalytic activity in saponification, thereinto, solid superacid D4 has optimum catalytic activity.

论文还对用于酯化反应的催化剂——固体超强酸的制备，以及影响其催化活性的因素进行了研究。

When SiO〓-NH〓-Rh-Co complex was used to catalyze the hydroformylation of methyl methacrylate, an optimal conversion of 93.4% and optimal selectivity of 84.4% for the normal aldehyde were both obtained at Rh/Co ratio of 2/1, which were both higher than that catalyzed by SiO〓-SiNH〓-Rh and SiO〓-Si-NH〓-Co momometallic catalysts. Clearly a synergistic action between Rh and Co atoms presented in the complex.

我们以SiO〓-Si-NH〓-Rh-Co催化甲基丙烯酸甲酯的醛化反应，当催化剂中Rh/Co比为2/1时，催化活性最高，可达93.4％，对正构产物β-甲酰异丁酸酯的选择性达到84.4％，都高于单金属催化剂，表明了金属间存在相互作用。

Examples of Main Applications:1 A variety of high temperature, corrosive liquid filtration, and catalyst filtration in chemical and petrochemical industries;2 Viscose and polymer filtration in synthesized fibers and film industries;3 Filtration of various catalysts in pharmaceutical industry;4 Gas sparger/diffuser,and flow homogenization;5 lubricant filtration.

石油化工行业中各种高温，腐蚀液、催化剂的过滤；2）化纤薄膜工业中各种聚合物熔体的过滤净化；3）制药行业中的各种催化剂的过滤分离；4）用于气体分布，液态化床孔板材料；5）用于高压反冲洗油过滤器等。

The amount and type of carbon specie's on the catalysts depended on the size of Ni particles and texture of the support.

这些催化剂上积炭的数量与种类各不相同，依赖于催化剂中金属Ni颗粒的大小与载体的织构特性。

Explore the chemistry at interfaces and control the stereochemistry of heterogeneous catalysts used as bulk species.

探索表面化学性质，控制以多相催化剂作为体相物种的立体化学。

Effect of stoichiometric ratioof organic fuel to oxidizer on structures and catalytic activities of the catalysts were studied.

以D，L-丙氨酸为有机燃料，采用溶液燃烧法制备了钙钛矿型复合氧化物La0.8Sr0.2CoO3催化剂，研究了有机燃料与氧化剂的化学计量比对催化剂结构和性能的影响，考察了催化剂的甲烷燃烧活性，并对催化剂进行了表征。

The most favorable temperature for polymerization of styrene is 50℃ and the activity of catalysts decreases with the increase of polymerization time.

最佳的聚合温度为50℃，催化剂的活性随聚合时间的延长而降低。

Then the composition and particle size distribution of Ni catalysts at different sulfuration time were analyzed,and the coke-restraining activity of the catalyst was also studied.The results show that the structure of nickel sulfide catalyst changed with different sulfuration time,and the coke-restraining activity of the cata...

结果表明，硫化时间的增长，生成的硫化态催化剂晶形发生了相应的变化，随着硫化时间的延长和催化剂质量分数的提高，催化剂的抑制生焦活性提高；当硫化时间超过3h，催化剂质量分数大于2000μg/g时，催化剂抑焦活性的变化趋于平稳。

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 。