Abstract: The air inside the lightning channel can be almost completely ionised into plasma because of the strong current and extremely high temperature. The electrons in the channel can persist for ...
Abstract: A new type of high-efficiency small angle ultraviolet packaging device is designed in this paper to address the issue that the efficiency of medium pressure mercury lamp ultraviolet ...
The number of detainees in U.S. Immigration and Customs Enforcement custody has reached a new record high, surpassing 70,000 for the first time in the deportation agency's 23-year history, according ...
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