一、前言如果空气象冬天那样非常干燥,在脱掉毛衣或在地毯上走动并触及门的把手时,就会听到“劈劈啪啪”的响声、皮肤有象针刺一样疼痛的感觉,此现象曾经引起人们的吃惊。这个现象就是静电击人的现象。静电是 I. INTRODUCTION If the air is as dry as it was in winter, when you take off the sweater or walk on the carpet and touch the handle of your door, you will hear “crackling” noise and the skin has the same ache feeling of acupuncture. Phenomena have aroused people’s surprise. This phenomenon is the phenomenon of electrostatic hit people. Static electricity is