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- Aluminium material was electropolished with ad dition of additive TA in alkaline solution by periodic reverse current. 采用周期换向电解法,在添加适量添加剂TA的碱性溶液中对铝材进行电解抛光。
- Results of study showed that effect of electropolishing by periodic reverse current wa s better than that by traditional method and direct current-constant voltage. 经研究表明,其抛光效果优于采用传统方法和直流恒压法进行电解抛光的抛光效果,而且其工艺具有操作温度低、溶液使用寿命长及铝材溶解损耗少等优点。
- periodic reverse current 周期反向电流
- In this mode, the device will limit the output reverse current. 在该模式下,器件会限制输出反向电流。
- The experimental results show that AlCu alloy, which is difficult to be treated usually, can be anodized and colored in sulfuric acid with periodic reverse direct current, a... 研究结果表明:应用周期换向电流法可以在硫酸溶液中对较难氧化着色的铝铜合金进行氧化发色,得到黄-黄绿-绿-黑绿-黑系列颜色的氧化膜。
- STUDY ON HIGH CURRENT DENSITY COPPER ELECTROREFINING BY PERIODIC REVERSIBLE CURRENT 周期反向电流法高电流密度电解精炼铜的研究
- A semiconductor diode in which the reverse current varies with the intensity of received light. 反向电流随光的照射强度而发生变化的一种半导体二极管。
- Measured at applied forward current of 10mA, reverse current 1.0mA, Reverse voltage of 6.0 voltage and RL=100 ohms. 测试条件:提供10毫安顺向电流;6伏等逆向偏压与100欧姆负载电阻;并于逆向电流回覆至1毫时量得的时间.
- The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described. 摘要通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。
- Compressor overloading protector,over charging relay,high/low voltage switch,frost-preventive switch,reverse current switch. 压缩机超载保护、过电流保护、高低压开关、温度开关、防冻开关、逆相保护.
- In many circuit, this reverse current does not affect the convert characteristic and so the diode can also be considered as ideal during the turn-off transient. 在许多的电路中，二极管反向电流不会影响换流器特性，因此在关断过程中仍然可以视为理想的。
- periodical reversal current 周期换向电流
- Key words: comparators; adjustable threshold voltage; synchronous rectification; reverse currents. 关键词：比较器;阈值可变;同步整流器;输出反向电流
- The hypothesis was substantiated soon afterward by the discovery that periodic reversals of the Earth's magnetic field are recorded in the oceanic crust. 这个假定不久之后为发现所证实。 该发现表明地球磁场周期性的逆转被记录在海洋地壳中。
- In alternating current (AC) the motion of the charges is periodically reversed; in direct current (DC) it is not. 在交流电中，电荷流动会定时的反向，而在直流电中则不会。
- electronic reverse current controller 电子反向电流控制器
- Maximum peak reverse current full cycle 最大反向峰值电流
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Lithium Battery Reverse Current Measurement Test 锂电池反向电流测量
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
