Chiral amines widely existed and play an important role in the nature. Catalytic asymmetric reduction of imines represents one of the most important methods for preparing chiral amines.
手性胺化合物广泛存在于自然界中并扮演着重要的角色，亚胺的不对称催化还原反应是制备手性胺化合物的最直接有效的方法。
Reduction of nickel ions provides both metal with catalytic function and Bronsted acid.
镍的还原在提供了主要的金属催化功能的同时产生了大量的质子酸。
The main treatment methods of spent electroless nickel plating solution include chemical deposition, catalytic reduction, electrolysis, ionic exchange, etc.
化学镀镍废液的处理方法主要有化学沉淀法、催化还原法、电解法、离子交换法等。
Develop the system of selective catalytic reduction fume denitrification.
选择性催化还原烟气脱硝系统开发。
Combination of low temperature plasma technology with the selective catalytic reduction technology is the effective method to reduce emissions for lean combustion engine.
低温等离子体技术与选择性催化还原技术相结合是降低稀燃发动机排放的有效方法。
ATP binding sites are regulatory sites in the nitrogenase and the acetylene reduction active sites are catalytic sites in the nitrogenase.
ATP结合部位是固氮酶的调节部位；乙炔还原活性部位是固氮酶的催化部位；
A high flow rate and pressure of hydrogen was in favor of the catalytic reduction of nitrate, but not benefit for the selectivity.
而对于选择性，前者提高，后者则会导致降低，即控制反应扩散性能有利于提高催化选择性。
The computation fluid dynamics(CFD) is used to predict the flow filed inside the selective catalytic reduction(SCR)system of a 600MW power plant.
采用计算流体动力学（CFD）模型预测某600MW电厂选择性催化还原法烟气脱硝系统不同设计情况下的流场状态。
The technologies for synthesis ofp-nitroanisole by using the triphase catalytic method, and synthesis ofp methoxyaniline by use of reduction of synthesized p-nitroanisole were studied.
本文着重介绍了用三相催化法制取对硝基苯甲醚，再经还原制备对氨基苯甲醚的工艺，并对催化剂的用量和回收利用作了探讨。
In the present research, the activated carbon fiber-supported catalysts are mainly used in catalytic decomposition method and selective catalytic reduction (SCR) method.
在目前研究中，活性炭纤维基催化剂主要应用于催化分解法和选择性催化还原法(SCR)。
The advantage of catalytic hydrogenation over chemical reduction is that the product has higher purity quotient and is separated more easily.
与化学还原方法相比催化氢化的优点在于产品纯度高，易分离。
Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals, catalytic hydrogenation reduction, hydration hydrazine reduction and electro-chemical reduction.
综述了还原芳香族硝基化合物制备芳胺的主要方法，包括催化加氢法、金属还原法、水合肼还原法、电化学还原法等。
Moreover, the super molecular film showed good catalytic activity for the reduction of NO_2~-in acidic solution and the catalytic mechanism was described.
该膜电极对酸性溶液中的NO_2~-有明显的电催化还原作用，初步探讨了电催化机理。
Ammonia selective catalytic reduction (SCR) of nitrogen oxide is the only industrialized flue gas DeNOx technology.
氨选择性催化还原(SCR)氮氧化物是唯一工业化的烟气脱硝技术。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
此外，它除了还原双键以外可以用来还原各种不同的有机化合物，如：硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
The catalytic reduction consists of selective catalytic reduction (SCR) and non selective catalytic reduction (NSCR).
后者又分为选择性催化还原法(SCR)和非选择性催化还原法(NSCR)。
Catalytic reduction of nitrate in water by H2 was investigated.
以H 2为还原剂，对催化还原水中硝酸盐进行了研究。
This dissertation studied the activity of manganese oxides catalyst supported by palygorskite catalyst in lower temperatures for selective catalytic reduction of NO and its physic-chemical properties.
本文研究了凹凸棒石负载锰氧化物催化剂的物理化学性能和低温选择性催化还原NO性能。
The reduction property of the catalysts in H_2at different temperatures has been correlated with changes of catalytic activity.
使用热重仪研究了载体及催化剂在H_2气流及不同温度下的还原特性。
To evaluate the effectiveness of new photo-catalytic materials for air pollutant reduction in the under-crossing tunnels.
目的评估新型道路及墙体光催化材料对下立交地道空气质量的改善效果。
In study people discover that some high Tc superconductive materials exhibit high catalytic activity for gases oxidation or reduction.
人们在研究中发现高温超导材料对许多气体的氧化还原反应有很强的催化能力。
The article analyzes the main problem of catalytic reduction and chemical reduction, proposes the idea for further study and summarizes qualitative and quantitative analysis of the products.
本文对催化还原法和化学还原法存在的主要问题进行了分析，提出了进一步研究的设想。综述了产物的定性和定量分析。
The invention relates to a 'catalyst used for ammonia selective catalytic reduction of nitrogen oxides to nitrogen gas and a preparation method thereof', and belongs to the catalyst technical filed.
本发明涉及“氨选择性催化还原氮氧化物成氮气的催化剂及其制备方法”，属于催化剂技术领域。
The catalytic reduction of NO_x was reviewed with the emphasis on the progress of studies, developing trend and the reaction mechanisms of the selective reduction of NO_x with hydrocarbons.
综述了催化还原法消除氮氧化物研究现状、发展趋势及反应机理，特别是对烃类选择性催化还原氮氧化物过程进行了说明。
This paper summarizes the new progress of the asymmetric catalytic reduction reaction on the basis of relevant references.
本论文在查阅相关资料基础上综述了不对称催化还原反应研究新进展。
Catalytic transfer hydrogenation (CTH) is an effective reduction method, which conducts at a mild reaction condition and with simple facilities comparing to common catalytic hydrogenation.
催化转移加氢是有机合成中一种有效的还原方法，与一般的氢气催化加氢法相比，具有反应条件温和、设备要求低等优点。
The catalytic effect and influencing factors of coal-based iron ore direct reduction have been studied by experiments of iron oxide reduction.
本文通过煤粉还原氧化铁试验，研究了催化剂对铁矿粉还原过程的催化效果及其影响因素。
In this paper, the catalytic reduction of nitrate and nitrite were reviewed and the research progress was addressed. Finally, the future research in this field was recommended.
本文结合国内外最新的研究进展，对硝酸盐和亚硝酸盐的催化加氢脱氮进行了综述，并对该领域的研究进行了展望。
It has been pointed out that catalytic hydrogenation of nitrobenzene and its organo-electrochemical reduction is a new technique which has a great future.
提出硝基苯催化加氢还原和有机电解还原是有前景的新工艺。
At the heart of Bluetec technology there lies an SCR catalytic converter (Selective catalytic Reduction).
蓝色技术的核心技术在于SCR(选择性催化降低控制)催化转换器。
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