cold cathodes造句
例句與造句
- They come in two types : hot cathode and cold cathode.
- Cold cathode discharge lamps use higher voltages than hot cathode ones.
- Cold cathodes sometimes have a rare earth coating to enhance electron emission.
- Both hot cathode and cold cathode type devices are encountered.
- Cold cathodes may also emit electrons by photoelectric emission.
- It's difficult to find cold cathodes in a sentence. 用cold cathodes造句挺難的
- Most ion gauges come in two types : hot cathode and cold cathode.
- His early experiments were with Crookes tubes, a cold cathode electrical discharge tube.
- The cold cathode system was installed in a number of gold mines and worked reliably.
- This is in contrast to a cold cathode which does not have a heating element.
- Cold cathode gauges are accurate from 10 " 2 torr to 10 " 9 torr.
- Cold cathode devices typically use a complex high voltage power supply with some mechanism for limiting current.
- Crookes tubes are cold cathode tubes, meaning that they do not have a heated pascal ).
- The excitation was provided by a cold cathode discharge; the total pressure was a few torr.
- He was a pioneer in neon tube designs, and in the design of cold cathode rectifiers.
- The surface of cold cathodes can emit secondary electrons at a ratio greater than unity ( breakdown ).
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