Electricarcdischarge of the tips installed in BSP source produces intense ultraviolet ray emission with a spectrum continuously extended to the range of visible light.
针式火花预电离源利用热电弧发出强烈的紫外光，其发射光谱范围从可见光连续延伸到紫外。
2
And also, the electricarc erosion of contact materials is engendered by heat effect of arc and other discharge phenomenon during the open and close of electric contact materials.
还发现触头材料的电弧烧损主要是触点在断开和闭合的过程中，产生电弧或其它放电现象的热效应所造成的。
3
The discharge of mercury arc is electricdischarge phenomena of low pressure gas and the current density is great.