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This paper reports an enhanced photocatalysis system for organic pollutants degradation, using high-aspect-ratio (HAR) Si/ITO/WO3 micropost photoelectrodes, fabricated by deep reactive ion etching (DRIE) and sputtering. Compared with traditional Titanium Dioxide (TiO2) photoelectrodes, Tungsten trioxide (WO3) coupled with Si can absorb visible light. Besides, an optimized HAR electrode configuration...
As an important equipment, convertor transformer plays a crucial role in ultra high voltage direct current (UHVDC). How to improve the safety running level of convertor transformers is a key problem to be solved imminently. Compared with AC power transformers, the valve side windings of convertor transformers will endure combined AC-DC voltage. In these conditions, the gas generation characteristics...
Summary form only given. Corona discharge can improve the distribution of voltage between the switch gaps as well as provide initial electrons which benefit the discharging process when the switch is fired1'Icirc1. To investigate the effects of the corona discharge, a single gap switch with toroidal electrodes is designed. Corona discharge occurs on the tips of the needles when the gap is charged...
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