英德
有道
百度
谷歌
图片
维基
百科
旋转电极 [xuán zhuǎn diàn jí]
rotary electrode
- 文摘:归纳了用等离子旋转电极法(PREP)制造的镍基高温合金粉末成品粉中常见的异常粉末颗粒类型；分析了异常颗粒产生的原因并提出了消除和控制的方法。
Abstract: In this paper,the types of abnormal particles in final product of nickel-based superalloy powder by PREP were generalized,the causes to produce the abnormal particles were analyzed and the measures to eliminate and control these abnormal particles were suggested. - 文摘:利用旋转环－盘电极方法开结合循环伏安技术研究了磷酸溶液中亚硒酸的电化学还原机理.结果表明在磷酸溶液中亚硒酸的电化学还原过程即包括电化学反应，又有后续均相化学反应.在亚硒酸的电化学还原过程中有两种硒单质生成，兰色硒是由电化学反应生成，不能进一步被还原，具有电化学惰性.红色硒是由后续均相化学反应生成，可以进一步被还原，具有电化学活性.并对亚硒酸的电化学还原过程提出了一个比较完整、合理的反应机理.
Abstract: In this paper the electrochemical reduction mechanism of selenious acid(H2SeO3) in phosphoric acid solution was studied by rotating ring-disc electrode and cyclic voltammetry techniques.The results showed that there existed not only electrochemical reactions,but also subsequent homogeneous chemical reaction in the electrochemical reduction of H2SeO3.In the electrochemical reduction of H2SeO3 were formed two kinds of elemental selenium(Se):blue selenium and red selenium.Blue Se was produced by electrochemical reaction and red Se by subsequent homogeneous chemical reaction.Blue Se could not be reduced further electrochemically and it was inactive electrochemically.Red Se could be reduced further electrochemically and it was active electrochemically.In addition,a complete and reasonable electrochemical reduction mechanism of H2SeO3 was proposed. - 油泵电动机运转，供油电磁阀打开，向炉膛喷油，点火电极间产生电火花，当点着后立即将手柄再旋转45度，至“燃烧”档位。
Fuel oil pump put into use, supply-oil electromagnetic valve opens, sparkles come from the lighting electric rods, when lighten successfully burning control handle continue to be turn 45 degree right now.
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