化学还原法的关键在于还原剂的选择。
The critical point of chemical reduction was the option of reducing agent.
采用化学还原法处理含铬离子污水，焦亚硫酸钠作还原剂。
The method of chemical deoxidization was used to treat electroplating wastewater which contains chromium ions, and sodium pyrosulfite was used as reducing agency.
研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。
The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.
采用化学还原法，以抗坏血酸为还原剂，明胶为分散剂制备了球形超细银粉。
Using ascorbic acid as reducing agent and gelatin as dispersant, the spherical ultra-fine silver powder was synthesized by the chemical reduction method.
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。
Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals, catalytic hydrogenation reduction, hydration hydrazine reduction and electro-chemical reduction.
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 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.
介绍了用化学还原法生产电子元件用高纯超细球形银粉的车间生产工艺及其生产设备特点，探讨了影响银粉形貌的各个因素。
The process and equipment applied to producing silver powder in mass is introduced. It's discussed that what will influence on quality of the silver powder.
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。
The main treatment methods of spent electroless nickel plating solution include chemical deposition, catalytic reduction, electrolysis, ionic exchange, etc.
综述了在甾体化合物11 -位引入羟基的各种化学合成方法，主要包括酮基还原法、上脱卤素法、硼烷双氧水法、过氧化-还原法等。
Introduction of 11-hydroxy group into steroids by chemical methods, such as keto-reduction, halogenation-dehalogenation, borane-hydrogen peroxide and peroxidation-reduction are reviewed.
本文研究了用机械抛光、化学抛光和氢还原法处理轴承钢表面对测定氧的影响。
In this paper mechanical polishing; Chemical polishing and hydrogen reduction methods used im cleaning bearing steel surface for oxygen determination have been studied.
本文研究了用机械抛光、化学抛光和氢还原法处理轴承钢表面对测定氧的影响。
In this paper mechanical polishing; Chemical polishing and hydrogen reduction methods used im cleaning bearing steel surface for oxygen determination have been studied.
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