| 1. | Most of the switch tubes used presently work in the gas spark region ( the right branch of paschen curve ) , and are made of graphite and mental such as tungsten , molybdenum , stainless steel and mercury 目前实际应用的开关管多数工作在火花放电区域(巴邢曲线的右支) ,使用的电极材料一般为钨、钼、不锈钢、水银、石墨等。 |