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古人云:“怒发冲冠”。然而照片上的这位女同志笑咪咪的,看来并没有发怒,可她的头发却也竖起来了,这是为什么呢?原来这是受到静电吸引的结果。说起静电,许多人都有过体验:气候干燥时,脱毛衣或化纤衣服,会听到噼噼啪啪的响声;要是在暗处,还能看到一闪一闪的火花。通常人们不拿它当回事,因为在一般情况下,也没出过什么问题;但是在有些场合,就不能掉以轻心了。由于静电作怪,有时轻则出次品,重则酿成灾祸。为了使观众了解静电危害的知识,北京科影厂特意拍摄了彩色科教片《谨防静电危害》。从影片中可以看到:近几年来,世界上有好几艘20万吨级的大油船,在冲洗油舱时产生静电,引起火
The ancients said: “angry rushing crown.” However, the lesbian smile on the photo does not appear to be angry, but her hair is also erected. Why? This is the result of electrostatic attraction. Speaking of static electricity, many people have experienced: when the climate is dry, sweaters or chemical fiber clothes, will hear crackling noise; if in the dark, but also to see a flash of sparks. Usually people do not take it seriously, because in normal circumstances, have not been out of any problems; but in some occasions, they should not be taken lightly. Due to static electricity, sometimes light from a defective, heavy is causing disaster. In order to make the audience aware of the knowledge of electrostatic hazards, Beijing Branch Film Studio specially filmed color science and education film “Beware of static hazards.” As you can see from the video: In recent years, there have been several large oil tankers of 200,000 tons in the world that generate static electricity when flushing oil tanks and cause fire