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2·32 阴极区 cathode rogion 电弧紧靠负电极的区域。阴极区很窄,约为10~(-5)～10~(-6)厘米。 2·33 阴极压降 cathode drop 电弧阴极区两端的电压降。 2·34 阴极斑点 cathode spot 电弧放电时,负电极表面上集中发射电子的微小区域。该区域具有明显的光的斑点。 2·35 阳极区 anode region 电弧紧靠正电极的区域,阳极区较阴极区宽,约为10~(-3)～10~(-4)厘米。 2·36 阳极压降 anode drop 电弧阳极区两端的电压降。 2·37 阳极斑点 anode spot 电弧放电时,正电极表面上集中接收电子的微小
2.32 cathode area cathode rogion The area of the arc that abuts the negative electrode. Cathode area is very narrow, about 10 ~ (-5) ~ 10 ~ (-6) cm. 2.33 Cathode voltage drop cathode drop The voltage drop across the arc cathode region. 2.34 cathode spot cathode spot arc discharge, the negative electrode surface concentrated electron emission of tiny areas. This area has significant light spots. 2.35 Anode region anode arc close to the positive electrode area, the anode area wider than the cathode area, about 10 ~ (-3) ~ 10 ~ (-4) cm. 2.36 Anode voltage drop anode drop The voltage drop across the arc anode region. 2.37 anode spot anode arc discharge, the positive electrode surface to receive electrons on the tiny