本文对硼铁矿进行以选择性还原分离铁和硼作了理论分析和试验研究。
Investigates theoretically and experimentally the possibility of separating iron and boron oxide from boric iron ores by means of selective reduction.
本论文首次应用过渡金属催化的CO选择性还原含硫烷基的芳香硝基物合成芳胺。
Here in this paper, the CO selective reduction of nitroarenes was firstly introduced to reduce the alkylthio nitroarenes.
两个中间产物可以作为双羰基还原酶的底物被选择性还原，但具有不同的反应速率。
They could be used as the substrates for the reduction catalyzed by diketoreductase with different reaction velocities.
综述了在有机合成领域中，通过炔烃立体选择性还原制备Z-或E-烯烃的近期方法。
This article reviews recent methods used in organic synthesis for the stereoselective reduction of alkynes to Z or E alkenes.
本发明的方法利用位于裂解气压缩机后的选择性还原乙炔的前端乙炔除去单元(“ARU”)。
The method of the invention utilizes a front-end acetylene removal unit (' ARU ') located after a charge gas compressor in which acetylene is selectively reduced.
借助于金相分析、SEM和EDX等方法，研究炼铜炉渣加炭粉、通惰性气体搅拌选择性还原贫化过程。
The selective reduction impoverishment of slag from copper smelting with addition of charcoal powder and stirring of inert gas is investigated by the aid of metallurgical analysis, SEM and EDX.
选择性催化还原烟气脱硝系统开发。
Develop the system of selective catalytic reduction fume denitrification.
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。
Combination of low temperature plasma technology with the selective catalytic reduction technology is the effective method to reduce emissions for lean combustion engine.
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)。
In the present research, the activated carbon fiber-supported catalysts are mainly used in catalytic decomposition method and selective catalytic reduction (SCR) method.
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 computation fluid dynamics(CFD) is used to predict the flow filed inside the selective catalytic reduction(SCR)system of a 600MW power plant.
对烟气脱硝的选择性非催化还原技术进行了介绍。
Selective non catalyst reduction (SNCR) is a mature technology for moderate NOx emission control on flue gas.
肼解还原法是三种方法中产率最高，选择性最好的方法。
Hydrozinolysis and hydrogenolysis reduction with high yield and excellent selectivity was the best process among the three.
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。
Ammonia selective catalytic reduction (SCR) of nitrogen oxide is the only industrialized flue gas DeNOx technology.
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。
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 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.
采用选择性氧化剂和还原剂对俄罗斯直馏柴油中的硫醚类硫化物和噻吩类硫化物分别进行分离和富集，得到两者的浓缩液。
Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent.
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。
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.
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)。
The catalytic reduction consists of selective catalytic reduction (SCR) and non selective catalytic reduction (NSCR).
生物催化的还原反应能使分子内的羰基或碳-碳双键立体选择性的还原，将潜手性底物转化为手性产物，在不对称合成中有着重要的作用。
Biocatalytic reduction of the carbonyl groups or the carbon-carbon double bonds of the compounds has been utilized as a method for transforming the prochiral substrate into chiral product.
直接滴定法和返滴定法、选择性滴定法、置换滴定法、间接滴定法和氧化还原滴定法，其它滴定法。
It includes direct titration, back titration, selective titration, replaceable titration, indirect titration, REDOX titration and others.
选择性非催化还原过程试验研究是在燃烧试验装置上进行的，在尾部烟道抽取烟气采用化学滴定法测量烟气中的NH3漏失含量。
The experiments were carried out on a combustion research facility (CRF) and chemical titration was used to measure the NH3 slip of extracted gas that goes out from the rear flue.
二氧化硫作还原剂，用碳酸铵溶液可实现从钴壳中选择性浸出镍、钴和铜。
Selective leaching of nickel, cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant.
催化剂是选择性催化还原脱硝技术（SCR）的核心，催化剂的性能直接关系到脱硝效果的好坏。
The SCR technology, principle of SCR for de-NOx in flue gas, the effect factors of process, the type of SCR catalyst and reaction characteristics are introduced.
在选择性非催化还原过程中试试验中，研究不同因素对氨漏失含量的影响。
Influences caused by different factors on NH3 slip was analysed in a pilot-plant of selective non-catalytic reduction experiments.
结果显示，催化加氢工艺会发生脱卤反应，而采用铁粉还原的选择性好，产品纯度高。
For most reduction reactions concerned, dehalogenation occurred seriously in hydrogenation reaction. Better selectivity was achieved and purer products were prepared in the reduction by Fe.
硼氢化钠作为还原剂选择性好，性质温和，且价格低廉；它在工业上得到广泛的应用。
The low cost, mild nature and high chemoselectivity are some of the distinct features that make sodium borohydride one of the most popular reagents used in industry.
石油主要由还原型的碳氢化合物组成，因此它们的选择性氧化反应研究就成为化学工业中最重要的挑战性课题之一。
Petroleum primarily consists of reduced hydrocarbons, and their selective oxidation chemistry remains one of the foremost challenges in the chemical industry.
本文分析了几种常用的烟气脱硝技术（ 选择性催化还原脱硝技术、选择性非催化还原脱硝技术、碱性溶液吸收法和等离子体活化法等）的原理、技术特点以及在我国的应用情况。
The principle, characteristic and its application in our country of common flue gas De-NO_x technology were analyzed. Based on the actual condition in our country the feasible scheme was proposed.
本文分析了几种常用的烟气脱硝技术（ 选择性催化还原脱硝技术、选择性非催化还原脱硝技术、碱性溶液吸收法和等离子体活化法等）的原理、技术特点以及在我国的应用情况。
The principle, characteristic and its application in our country of common flue gas De-NO_x technology were analyzed. Based on the actual condition in our country the feasible scheme was proposed.
应用推荐