还原

The results of thermodynamics calculation indicated that ScCI3 and ScF3 can be reduced to scandium by magnesium, but Sc2O3 cannot be.

还原产生的初生态Sc与Al形成稳定的Al_3Sc金属间化合物，金属热还原反应的△_rG_m~0减少了-138KJ／mol。

Through the thermodynamic calculation of the reaction that aluminum and magnesium reduce anhydrous scandium chloride molten salt to prepare aluminium-magnesium-scandium master alloy, we got that the standard equilibrium constant of the reaction is 1.074 ×10~(19), and the experimental equilibrium constant of it is approximately 6.874 × 10~(14)under around 1200 K and 1 standard pressure, which demonstrate that the reaction can take place and proceed thoroughly.

通过铝镁热还原无水氯化钪熔盐制备铝镁钪中间合金反应的热力学计算，得出：在1200K左右温度，1标准大气压下，该反应的标准平衡常数K为1.074×10~(19)，经验平衡常数K′约为6.874×10~(14)，这说明铝镁热还原无水氯化钪熔盐法制备铝镁钪中间合金的反应能够进行，而且进行的很彻底。

Learn scrap iron reduction in electrolyte solution, including reaction mechanism, influence factors, application scope of reaction, process, and so on.

了解电解质溶液中的铁屑还原，包括反应历程影响因素反应使用的范围还原工艺等。

Through investigation on the Eh values of cinnamon soil,sierozem,brown desert soil in situ with new electrochemical methods and summarization of the same results of laterite,red soil and yellow brown soil,a horizontal zonal variation of oxidation-reduction characteristics in semi-humid,semiarid and arid areas from south China to north China is revealed.

用新的电化学方法原位考察了褐土、灰钙土、棕漠土、黑土、风沙土、灌淤土、盐土、碱土、亚高山草甸土、灰褐土、水稻土和旱地土壤的氧化还原状况。综合已有原位测定结果，地带性土壤的电位由南向北的空间分异与其水平地带谱相应；亚高山草甸土和灰褐土的氧化还原状况随山体高度和植物群落而呈垂直分异趋势。

Reinders' redox buffers were used to study the redox properties of sensitivity centers and latent image centers on microcrystals of cubic silver bromide emulsion in this paper.

本文采用Reinders的氧化还原缓冲液的方法研究硫敏化的立方体卤化银微晶的敏化中心和潜影中心的氧化还原性能。

The thermodynamic analysis of carbothermal reduction of perovskite phase in the blast furnace slag bearing titania is carried out.

总结TiO2的碳热还原法制取碳化钛的研究成果，并对高炉钛渣中钙钛矿的碳热还原进行了热力学分析。

To improve the strontium recovery ratio the reaction mechanism in preparation of Sr using vacuum aluminothermic reduction was studied.

为提高锶还原率，研究了真空铝热还原法制备金属锶的反应机理。

Progress in research of catalyst deactivation in ethylbenzene dehydrogenation was reviewed.Active phase of the catalyst was briefly analyzed.Five main reasons for the catalyst deactivation were discussed,including coke deposition,loss and redistribution of potassium promoter,change in oxidation state of iron,structural transformation of the catalyst,and the catalyst poisoning.

对乙苯脱氢制苯乙烯催化剂失活的研究进展进行了综述，分析了催化剂的活性相，分别探讨了积碳、钾的流失与重新分布、Fe3+的还原、催化剂物理结构的变化和中毒等5个因素对催化剂失活的影响及其失活机理，其中，钾的流失和Fe3+的还原是造成催化剂失活的重要因素。

Then, it gives a new flow interpolation method, based on traditional subentry regeneration and water budget balance and watershed hydrologic feature, to fit for the streams in Zhejiang Province.

然后以传统的分项还原法为理论基础、结合水量平衡原理、蓄满产流理论以及流域水文特性，提出适合浙江省河川径流还原的产流差值法。

Oxidative bleaching by oxidation of its own to make a strong oxidation of colored substances were destroyed, so as to achieve the purpose of bleaching; food mainly used to restore the bleaching agent, mostly belonging to sulfurous acid and its salts, they are generated through the reduction of the role of sulfur dioxide can fruits and vegetables fade, it is widely used in food products such as bleaching and preservation.

氧化漂白是通过其本身强烈的氧化作用使着色物质被氧化破坏，从而达到漂白的目的；食品中主要使用还原漂白剂，大都属于亚硫酸及其盐类，它们通过产生的二氧化硫的还原作用可使果蔬褪色，因此广泛应用于食品的漂白与保藏等。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。