1、

Study of arsine poisoning on hydrogen-removal catalysts

Pt-Pd催化剂砷中毒原因的初步研究

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2、

Methane and Ethane Aromatization without Using Oxidant over Supported Mo Catalysts

负载型钼基催化剂上甲烷、乙烷无氧芳构化反应研究

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3、

Effects of Zeolite Structure on the Catalytic Performance of Catalysts for Methane Non oxidative Aromatization

沸石载体结构对甲烷无氧芳构化性能的影响

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4、

Improvement of selective hydrogenation catalysts for alkyne series in France

法国对炔烃选择加氢催化剂的改进

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5、

The Preparation of Olefin Polymerization Catalysts from Magnesium Alkyls

从烷基镁制备烯烃聚合催化剂

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6、

Catalytic Oxidation of Carbazole by Alky Peroxides over Mo Catalysts

油溶性过氧化物在钼催化剂下对咔唑的催化氧化

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7、

Removal of acetylenes via selective hydrogenation of butadiene-rich C_4 fraction on copper-based catalysts

在铜基催化剂上富丁二烯C4馏份选择加氢除炔

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8、

We bourgeon the speculation of assembling magnetism with catalytic property to solve the problems of separation and recovery of nanometer catalysts.

为了解决目的此领域的这一问题,我们萌发了将磁性与催化性能组装的构想,以解决纳米催化剂的分离和回收的问题。

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9、

The influence of temperature, hydrogen pressure and contents of active component in catalysts are discussed.

讨论了温度 、 氢气压力、催化剂活性组分含量对苯部分加氢制备环己烯反应的影响.

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10、

The rates of photodecomposition of two organophosphorous compounds over various semiconductor catalysts were determinated, and the rates were depended on the kinds and surface properties of photocatalysts.

测量了两种有机磷化合物在各种半导体催化剂上的分解速率,反应速率与催化剂的种类和表面性质有关;

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11、

Researching progress of metallocene catalysts applied in selective hydrogenating conjugated diene polymers

用于选择性氢化共轭二烯聚合物的茂金属催化体系研究进展

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12、

Through the adoption of measures of addition of a coke filter, replacement of catalysts, and improvement of the steam distributors, not only the normal production indications are ensured, but also the resistance in the shift converters is markedly reduced, giving satisfactory results.

通过采取增设焦炭过滤器、更换触媒、改进蒸汽分布器等一系列措施,不仅保证了正常的生产指标,而且还使变换炉的阻力有了明显下降,取得了满意的效果。

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13、

In this paper it is focused on the process of dehydrogenation of propane coupled with selective oxidation of hydrogen, especially on the technology of high temperature hydrogen combustion and SHC catalysts.

本课题以丙烷脱氢制丙烯-氢选择性氧化这一耦合新工艺为研究背景,重点研究其中的高温氢选择性氧化工艺及其催化剂的制备与性能。

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14、

Effect of Potassium on the MnO_x/ γ-Al_2O_3 Catalysts for Hydrogenation of Methyl Benzoate

钾对苯甲酸甲酯加氢催化剂MnO x/γ-Al2O3的修饰作用

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15、

A large number of metal oxides, including alkali earth oxides, transition metal oxides and rare earth oxides, had been suggested for using as catalysts for the selective hydrogenation of benzoic acid and methyl benzoate.

很多的科研工作者研究了一系列金属氧化物包括:碱性氧化物、过渡金属氧化物和稀土金属氧化物作为催化剂用于苯甲酸(或酯)加氢反应。

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16、

It is suggested that amino sulfonic acid, strongly acidic cationic exchange resin, sodium sulfate monohydrate, solid super acid, heteropolyacid and Vitamin C are valuable catalysts in practice for synthesizing p-hydroxyl butyl benzoate.

认为氨基磺酸、强酸性阳离子交换树脂、一水硫酸氢钠、固体超强酸、杂多酸和维生素C是在合成对羟基甲酸丁酯中具有实用价值的催化剂。

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17、

In this paper, benzyl acetate acid was produced from benzoic acid and benzyl alcohol under microwave radiation, using sodium acid sulfate, amino sulfonic acid and p-toluenesulfonic acid as catalysts.

本文采用微波辐射技术,选取硫酸氢钠、氨基磺酸、对甲苯磺酸等三种催化剂,以苯甲酸和苯甲醇为原料在微波辐射下催化合成苯甲酸苄酯。

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18、

It shows that TiO2/ SO42-, salicylic acid ( 2-hydroxy-benzoic acid) and aminosulfonic acid are excellent catalysts for synthesis of isoamyl salicylate, which get higher yields and have practical application value.

结果表明,TiO2/SO4~(2-)、芳基磺酸和氨基磺酸三种催化剂对合成水杨酸异戊酯的酯收率较高。

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19、

Seven chiral phase-transfer catalysts, among which three have not been reported so far, have been prepared and applied to the asymmetric alkylation of α-isopropyl benzyl cyanide and α-isopropyl-p-chlorobenzyl cyanide.

本文报道了用七种手性相转移催化剂(其中三种未见文献报道)催化氯化苄或溴丁烷对α-异丙基对氯苯乙腈或α-异丙基苯乙腈的不对称烷基化反应。

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20、

Xylene ammoxidation Catalysts were prepared by using different pretreatment methods of catalyst carrier and different soak conditions of active components, and the catalytic property was studied by boiling bed reaction. Based on many useful information, the optimal preparation methods and factors was obtained.

采用不同的载体处理方法和活性组分浸渍条件制备了二甲苯氨氧化反应催化剂,并用沸腾床反应对催化剂性能进行比较研究,得到了较佳的制备方法与条件。

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