查询词典 reduction

The novel vacuum furnace is employed in laboratory study. Compared with atmosphere magnesium carbothermic reduction furnace, this new one has the merits of high automation, easy manipulation and fine safety. Vacuum coking, vacuum carbothermic reduction process and magnesium vapory condensation process can be carried out in a furnace.

小型实验结果证明：还原温度升高，还原时间延长，氧化镁还原率增大，添加适量的氟化物对还原反应有促进作用；还原过程中真空度随时间的变化具有规律性，由此可以判断还原反应进行的速度与程度；真空中煤还原氧化镁的条件是：配料时保证C：MgO=3：1，并加入占总料重10％的氟化钙作为催化剂，尽可能的提高反应温度至1500℃以上，保温30～40分钟。

In order to deal with attributes reduction, one of the major problems in rough set theory, an attributes reduction algorithm was proposed based on scan vector, and a new conception of discernible vector was defined by which the information table can be transformed into discernible vector sets.

针对粗糙集理论中属性约简问题，提出了一种基于扫描向量的属性约简方法。

Inthe last stage of reduction,the iron substrates formed on the surface of Wüstite areporous and permeable to gaseous diffusion.The reduction rate is controlled by thesurface reaction on the Wüstite-iron interface,but the rate of this surface reactionis limited by the velocity of CO formation.

在浮士体还原成金属铁的阶段，所生成的多孔性金属铁并不阻碍气相的扩散；还原的速率由浮士休-金属铁相界面的表面反应所控制，而表面反应的速率则受CO的生长速率所限制。

The adrenochrome can also take part in oxidation-reduction reaction when the potential is about zero volt, consequently, there is another pair of oxidation-reduction peaks correspondingly in the cyclic voltammogram. The deproton step of the protonated adrenalinequinone, viz.

在强酸性溶液中，由于质子化的肾上腺素醌脱质子步骤即第三步难以进行，故不发生一系列后继化学反应，电解产物停止在肾上腺素醌，从而在循环伏安图上只有一对氧化还原峰。

Reaction mechanism of Sr preparation using vacuum aluminothermic reduction ;2. Purity control in producing metallic strontium using vacuum aluminothermic reduction was analysed by thermodynamic calculation.

对真空铝热还原法制备高纯金属锶的纯度控制进行了热力学分析；探讨了锶、钡和钙的临界还原温度、蒸气压等热力学参数差异，并制定了制备高纯金属锶的工艺。

The reduction of anthrone in the absence and presence of CO_2 was studied bycyclic voltammetry. The reduction of anthrone is irreversibile process and the transfercoefficient is 0.24. The diffusion coefficient is 8.597×10~(-7) cm~2·s~(-1). The mechanismhas been proposed on the results.

考察了合成条件如支持电解质、电极材料、电解电位、电解电量和蒽酮浓度等对目标产物产率的影响，优化了电解条件。

The same condition of reduction was also showed 12.34% reduction of the thorax acceleration value from 42.76g to 37.48g. Research NO.3 :The purpose of this research is to study the applicability of car seats for spastic paralysis children. Emphasis was placed upon the static anthropometrical measurement clinical evaluation experiment, and questionnaire survey for backward-facing and forward-facing children car seats in CNS, especially for the 9-18kg spastic paralysis children.

子题二︰本研究提出缓冲设计来降低头颈部的伤害之研究﹐透过前导实验和后期之实物前向式冲击试验证明与对照组比对，可降低头部和胸部加速度，分别降幅为30.19%和12.34%，因此证明缓冲设计提供较好的头颈部伤害的防护率。

It establishes a cooperative system of energy saving and emission reduction deducing from appraisive system founded on three-dimensional combinatorial model, monitoring system grounded on SDSS and examinatorial system fixed on BP Neural Network, which provides necessary system info for energy saving and emission reduction.

认为建立基于三维组合模型的评价体系、基于SDSS的监测体系和基于BP Neural Network的考核体系基础上的节能减排协同体系研究是实现节能减排约束性指标的必要理论支撑。

This research sets out from discussion on appraisive system, monitoring system and examinatorial system of energy saving and emission reduction, presents a new settlement including the step-up close design of energy saving and emission reduction based on 7E ideology.

通过分析如何建立节能减排评价体系、监测体系和考核体系，给出一个新的基于7E理念的节能减排协同体系递进闭合系统。

Results In double-contrast arthrography with CT imaging. 1 case was normal, 1 case had anterior displacement with reduction; 2 cases were anterior displacement without reduction, and 8 cases were with disk adhesion.

结果 14例患者经CT双对比造影检查为正常者1例，可复性盘前移位者1例，不可复性盘前移位者2例，关节盘穿孔2例，关节盘粘连8例。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。