天气预报 > 其他 > 阴极射线管的原理是什么
阴极射线管的原理是什么
更新时间: 2020-09-22 00:00:00  

阴极射线管是从有名的盖斯勒管发展起来的。阴极射线管有两个电极:阴极与阳极。管内被抽成了接近真空状态,当向两级与感应线圈连接加上高压电时,两级之间形成强大的电场,可以加速电子,然后阴极就可以向阳极发射阴极射线了。阴极射线打在管内稀薄空气上可以发出神奇的光现象,这就是无声的电放射。

关键词: 阴极射线 原理 什么

阴极射线管的原理是什么相关经验

天气预报

最新推荐

页面:/news/view-111528/ | 耗时:0.9166 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=111528 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=111528 LIMIT 0,1
select * from tbl_Articles_sphinx where id=111528 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1119478,1059915,2811177,1068358,1085388,1102466,1087693,1074532,1103432,1114784,1092113,1067944,1096807,994629,1080695,1093989,1103853,1080118,1068973,1076576,1044382,1094015,1077695,1086480,1097047,1109304,1079950,1069221,1063191,1074184) ORDER BY field (ArticleID,1119478,1059915,2811177,1068358,1085388,1102466,1087693,1074532,1103432,1114784,1092113,1067944,1096807,994629,1080695,1093989,1103853,1080118,1068973,1076576,1044382,1094015,1077695,1086480,1097047,1109304,1079950,1069221,1063191,1074184)