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- Mechanism model of carbothermal reduction reaction was build. 为该反应体系建立了碳热还原反应机理模型。
- An oxidation - reduction reaction;oxidation - reduction equilibrium. 一氧化还原反应,氧化还原平衡
- Thiophene reacted with bromine and zinc to produce 3-bromothiophene via substitution and reduction reaction. 噻吩与溴、锌粉依次发生取代,还原反应生成3-溴噻吩。
- The method and skill for balancing a complex oxid - reduction reaction equation are discussed in this paper. 本文介绍复杂氧化还原反应式配平的方法和技巧。
- The activation energy and the orders of reduction reaction has been obtained according to Doyle-Ozawa and Kissinger methods. 并用Doyle -Ozawa法和Kissinger法测定了还原反应的动力学参数 ;反应的活化能为1 0 0 .;2 5kJ/mol;反应级数为 1
- SiC whisker was synthesized using industry silicasol and carbon black by the sol-gel method and the carbothermal reduction reaction. 以无机硅溶胶和炭黑为原料,采用溶胶-凝胶方法和碳热还原反应进行了合成碳化硅晶须的试验。
- The main reduction reaction mechanism of CHi which was decomposed from organic acid salt(calcium magnesium acetate CMA)with NO was discussed. 对天然气再燃过程中添加的有机酸盐同时脱硫、脱氮反应途径及机理进行了详细的分析。
- Synthesize saframine O using o-toluidine as primer reactant by diazotization, coupling reaction, reduction reaction, and oxidation. 研究了以邻甲基苯胺为起始原料,经重氮化、偶合、还原、氧化反应合成藏花红的方法。
- In accordance with reduction reaction in cupola, we make use of cheap boron ore instead of ferroboron to cast cylindel liner successfully. 根据冲天炉的冶金还原反应原理,在炉后加入廉价的硼矿石,代替昂贵的硼铁合金生产气缸套,取得显著的经济效益。
- All reduction reaction materials,acid materials and other materials that can take reaction with phenolics would affect the detection of phenolics. 在实际水样中,凡是还原反应物质、酸性物质、能与酚反应的物质均能影响酚的测定。
- The "difficult side" of the fuel cell is the oxygen reduction reaction, not the hydrogen oxidation reaction, Rauchfuss said. 诺奇夫斯说,“燃料电池的不同面发生的是氧还原反应而不是氢氧化反应。
- It is found that the oxidation reduction reaction between Evan's blue and potassium chlorate is catalyzed by nitrite ion in a dilute phosphoric acid medium. 基于亚硝酸根 (NO-2 )在稀磷酸溶液中催化依文思蓝 -氯酸钾氧化还原反应 ,建立了微量 NO-2 的催化光度法。
- The final carbon content in Fe-C droplet decreases with the increase of FeO content in the slag.However, the reduction reaction does not reach thermodynamic equilibrium. 金属颗粒终点碳含量随熔渣中氧化亚铁含量的增加而降低,但反应最终远未达到平衡状态。
- Ethyl acetoacetate was chosen as the model substrate. The effects of heating temperature and heating time during the pretreatment of baker'yeast cells on the conversion and stereoselectivity of the reduction reaction were investigated. 并且选取乙酰乙酸乙酯为底物,进一步研究了加热预处理温度和时间对面包酵母还原乙酰乙酸乙酯转化率及ee值的影响。
- In the present study, Pb-WC composite electrode was prepared by using technique of composite electroplating and was used for the cathodic reduction reaction of hydrogen ions in cid (especially in H_2SO_4) solution. 本研究工作采用复合电镀技术,制备了Pb-WC复合电极,并将其用于酸性溶液(尤其是H_2SO_4)中氢离子阴极还原反应。
- Additionally, the cathodic Tafel slopes obtained by the coulostatic strong polarization integral(CSPI) method are closer to the theoretical values associated with the oxygen reduction reaction. 同时;CPSI测定的阴极Tafel斜率符合氧还原反应的理论Tafel斜率值.
- XRD, TEM, TG-DSC and BET were used to characterize the catalyst, and the effect of specimens with different proportioning on the activity of NO in its catalytic reduction reaction was on-line investigated using microreactor and gas chromatography. 用XRD,TG-DSC,TEM和BET等技术对试样进行了表征,用微反应器-气相色谱仪在线研究了试样不同配合比例对试样催化还原NO的活性的影响。
- The advance in asymmetry reduction of ketones is reviewed in this paper,and many kinds of asymmetry reduction reactions are introduced. 介绍了近年来酮类化合物的不对称还原的研究进展,对多种不对称还原反应做了介绍。
- The cyclic voltammetry analysis was used to study the oxygen reduction reaction (ORR) activity of CNF electrodes with different microstructures.Graphite was used as a reference for comparison. 采用电化学循环伏安法对不同微结构纳米碳纤维电极的氧还原反应起始电位、峰电位和峰电流等参数进行了考察,并与石墨电极的氧还原性能进行了比较。