查询词典 catalytic

Mg-Al oxide catalysts were prepared by co-precipitation method, used ammonia as the precipitating agent. The catalytic performances of these materials were investigated in the gas-phase Aldol condensation of acetone to isophorone. The structure and surface properties of the catalysts were characterized by means of XRD, XPS, ICP, TG-DTA and TPD.

采用共沉淀法，以氨水为沉淀剂制备了一系列具有不同Mg/Al摩尔比的镁铝氧化物催化剂，考察了它们在丙酮气相缩合反应中的催化性能，并通过XRD，XPS，ICP，TG-DTA和TPD等手段对催化剂的结构和性质进行了表征。

Resorcinol was prepared from isophthalic acid through liquid-phase catalytic oxidation and subsequent hydrolysis using oxygen in the air as oxidizing agent in the presence of catalyst copper and promoter manganese.

崔建新；肖如亭(天津理工大学生物与化工学院)摘要：以间苯二甲酸为起始原料，在催化剂铜和助剂镁作用下，以空气中的分子氧作氧化剂，通过液相催化氧化继而水解制得间苯二酚。

Those components that are highly distributed and have lower reduction temperature have higher catalytic activities.The activity evaluation results showed that with the intercalation of Isopoly and Heteropoly anions, the activity of the catalysts has been improved.

活性评价结果表明：对于CO催化燃烧反应来说，杂多酸与同多酸阴离子的层间引入替换NO_3~-后，在一定程度上提高了催化剂的催化活性，有利于CO的低温催化氧化。

After adding different metal compounds (K2CO3, NaCl and Al2O3), the sludge ignition point had a certain drop and the characteristics combustion index are also changed, indicating the combustion performance of the sludge was improved. Different metal compounds behave different katalysis at different combustion stage. And K2CO3 performs stronger catalytic capacity than that of NaCl and Al2O3 in the whole process.

污泥添加不同金属化合物K2CO3、NaCl和Al2O3后，其着火点有一定的下降，对污泥的燃烧有促进作用；不同金属元素化合物的加入对污泥燃烧性能有一定的改善，并且在燃烧的不同阶段金属化合物表现出不同的催化能力，其中K2CO3的催化性能强于NaCl和Al2O3。

In this paper,characteristics of generating hydrogen from methane wet air catalytic reforming reaction on the premixed chamber wall with Ni katalyst was done with numerical simulatio.

0，对甲烷/湿空气在壁面涂有含稀土的镍基催化剂的微细预混腔中催化重整产氢特性进行了数利用碳氢燃料和湿空气中水蒸气预混催化重整产氢来强化燃烧，以实现微尺度下燃料的持续稳定高效燃烧。

In this paper, characteristics of generating hydrogen from methane wet air catalytic reforming reaction on the premixed chamber wall with Ni katalyst was done with numerical simulation, using both CFD FLUENT and surface chemistry subroutine CHEMKIN for the microscale combustor premixed chamber the author proposed.

针对提出的微细燃烧动力装置内燃料-空气预混腔，联合使用计算流值研究，探讨了微细腔中甲烷蒸汽重整的关键影响因素。

In this paper, the characteristics of catalytic reforming reaction, coke deposition on Ni katalyst and three-dimension flow in the micro combustor premixed chamber were simulated.

因微型燃烧器内微尺度燃烧易熄火、燃烧效率不高，存在催化重整过程中的积碳、微尺度等问题，可利用甲烷和湿空气中水蒸汽预混催化重整产氢来强化燃烧，对预混腔内催化重整、积碳及流动特性进行模拟，探讨了微型预混腔中甲烷、水蒸汽重整过程中水碳比、质量流量和催化壁面温度对催化重整、积碳、流动等的影响。

Catalytic Synthesis of Cyclohexanone 1, 2-Propylene Ketal by Chitosan Supported with Iodine

篇名 壳聚糖负载单质碘催化合成环己酮1， 2-丙二醇缩酮

The results show that calix[6] arene-bismetalloporphyrins possess much higher catalytic activity than the corresponding metalloporphyrin while displaying the sam eselectivity by giving rise to acetophenone as the ketonic component in excellent yield.

研究了杯[6]芳烃-双金属卟啉在氧化异丙苯中的催化行为，结果表明杯[6]芳烃-双金属卟啉比之相应的金属卟啉具有更高的催化活性，并表现同样的选择性，生成苯乙酮和醇组份。

H2O2 as a catalyst and to compare its Asian a Kieran oxidation catalytic decomposition of reactive.

并以H2O2为催化剂比较它对亚甲基兰氧化分解的催化活性。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。