... 折旧期 period of amortization 换向周期 period of commutation 设计年限；设计进度 period of design ...
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... commutation curve 换向曲线 commutation cycle 换向周期 commutation element 换向元件 ...
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...r 换向质量 quality of commutation 换向周期 period of commutation ; commutation cycle ; reversal cycle ; Exchange Period ..
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The dissertation introduces the application in the factory at the last chapter, as well as the exchange period and control strategy. The results show that the effect is evidence in saving energy.
最后介绍了脉沖燃烧控制系统在蓄热式加热炉中的实际应用,以及蓄热脉冲燃烧在实际生产中换向周期的确定和具体的控制策略,实践表明其应用具有节能降耗作用。
参考来源 - 蓄热式加热炉脉冲燃烧技术及换向周期优化的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目前除采用一般的直流电外，根据实际的需要还可采用周期换向电流及脉冲电流。
At present in the general of dc outside, according to the actual need to still can use cycle reversing current and pulse current.
它与换向电流所不同的是不把镀件作阳极，而是间歇地停止供电，由于间歇中断电流，阴极电位随时间周期性地变化。
It and reversing current different is not to be, but with a anode intermittently stop, because the intermittent power supply current interrupted, cathode potential with time periodically change.
本文考察和研究了脉冲电镀及周期换向电镀法中各项脉冲参数对钯-镍合金的镀层成份、电流效率的影响。
The effects of pulse and periodic current parameters on the composition of Pd -ni alloy deposit and on the current efficiency of the electrodeposition process have been studied.
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