catalysts

The methods of regeneration and preventing deactivation of catalysts are reviewed briefly.

简要介绍了催化剂的再生和防失活等方面的技术.

The first catalytic converters were called conventional oxidation catalysts.

最初的转化器叫做常规氧化催化器.

The smectites are the most effective of the clay minerals as catalysts of these organic reactions.

对这些有机反应,蒙脱石是粘土矿物中最有效的催化剂.

The catalysts were characterized by means of TPD, XRD and TPR and their catalytic mechanisms discussed.

对催化剂进行了XRD、TPD和TPR表征，并对反应机理进行了探讨。

Application of combined catalysts for co-elimination of carbon monoxide and hydrogen at low temperature

联合式催化剂用于低温下一氧化碳和氢的共同消除

Transition-metal-containing zeolites catalysts have received considerable attention due to their catalytic potential in the field of environmental and industrial catalysis research.

含过渡金属沸石分子筛催化剂由于在环境、工业催化领域的良好应用前景备受关注。

Reduction of NO_x Emission in Lean Burn Gasoline Engine Under Different Combination Schemes of NO_x Adsorber and Three Way Catalysts

用吸附还原与三元催化器组合降低富氧汽油机NO x的排放

Catalysts that lower markedly the activation energy of the reactions are required.

需要显著降低反应活化能的催化剂.

Impurities that promote deterioration of polymers can be foreign materials, such as residues from polymerization catalysts.

促使聚合物劣化的杂质可能是外加的物质, 如残存的聚合用催化剂.

Catalysts are materials which greatly speed up chemical reactions.

催化剂是可以大大加速化学反应的物质。

The physical resistance of catalysts plays a major role in catalyst selection and reactor design parameters.

催化剂的物理强度在催化剂选择和反应器设计参数方面起着重要的作用.

The selection of catalysts for intermediate layer was discussed from the view point of chemical kinetics.

化学动力学角度讨论了双极膜中间层催化剂的选择.

The different contents of various alkylation products were obtained with different catalysts.

烷基化产物以4-枯基苯酚,2,4-二枯基苯酚及2,4,6-三枯基苯酚为主.

Hydrogen Production Via Oxidative Steam Reforming of Methanol over a Zn-Cr Catalyst; Characterization and Performance of Cr-based Catalysts for the Synthesis of CFCs Alternatives

Zn-Cr催化剂上甲醇氧化重整制氢研究气相氟化合成CFCs替代品的Cr基催化剂的表征与性能研究

Transition Metal Sulfides Hydrogenation Catalysts: Active Phase Structure and Mechanism of the Catalytic Reaction

过渡金属硫化物催化剂催化加氢作用机理

The future will see catalysts do even more to keep our environment safe and clean.

今后人们可以看到催化剂在使我们的环境安全和清洁方面会发挥更大作用.

Those catalysts are used in small tubular reactors.

那些催化剂用于小型管式反应器.

The deposition amount of these heavy metals is relative small on HDS and HDN catalysts.

而这些金属在HDS和HDN催化剂上的沉积量较少；

Tacticity Distributions of Polypropylene Prepared with Supported Ziegler-Natta Catalysts

负载型催化剂制备的聚丙烯等规度分布

Hydroperoxide decomposition into radicals is accelerated by various catalysts, notable the transition metals.

氢通过氧化物分解为自由基的过程,可被各种催化剂加速, 特别是过渡金属.

TPD and TPR on Ni-base BaTiO_3 Catalysts

稀土镍基钛酸钡催化剂的TPD和TPR表征

The effects of catalyst preparation method and operating conditions for the hydrogenation activity of catalysts were tested.

分析了催化剂的制备方法、类型及加氢反应条件对催化剂活性的影响。

The effect of these catalysts is greater at low pressures than at high pressures.

在低压下这些催化剂的作用要比在高压下为大.

The control of production selectivity for long chain hydrocarbon on Co-Based Catalysts

钴基催化剂合成长链烃的选择性控制

Zeolite Catalysts for Side Chin Alkylation of Toluene ⅱ. Catalyst Characterization and Its Correlation with Reactivity

甲苯侧链烷基化沸石催化剂&Ⅱ.表征结果与反应性能的关系

The Greens were the catalysts of a necessary change in the European consciousness.

绿党促使欧洲人的观念发生了必要的改变。

Many medicines are products of catalysts.

很多内服药就是催化反应的产物.

Many processes that are essential to the chemical industry use heterogeneous catalysts.

很多重要的化学工业过程就是使用多相催化剂的.

Catalysis: Development of chirometallopor-phyrins as enantioselective oxidation catalysts of alkenes and sulfides.

催化作用: 开发新型手性金属催化烯类及硫醚类之对映选择性氧化.

The setting of mechanical specifications for catalysts should take into consideration the needs of the user.

催化剂的机械测试技术规范的制定应考虑到用户的需要.