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.
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.
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.
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