导电机构:热电离产生电子和正离子,形成电子流 (Electron Current)和正离子流(Ion Current) ,即 总电流I= Ie+ Ii。 但电流主要是电子流(99.9%),而正离子流所占 比例很小。
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来自云层的电子流与正粒子流相遇,而这些正粒子流通常来自于高而尖的结构,如金属旗杆或塔。
The stream of positive particles that meets the surge of electrons from the cloud often arises from a tall pointed structure such as a metal flagpole or a tower.
然而,有时,沿着已建立的通道的电子流会遇到正的电子流,正的电子流从地面开始形成新的路径。
Sometimes, however, a stream of electrons following an established channel is met by a positive stream making a new path up from the ground.
对传感器的挤压发生非常微小的变化就能引起大量的电子流,因此传感性相当敏感。
Minuscule changes in the squeezing of the sensor trigger far larger changes in the flow of electrons, which makes the sensor extremely sensitive.
According to this theory, the atoms consist of a positively charged nucleus surrounded by a stream of electrons kept together by attractive forces from the nucleus.
根据这个理论,原子由一个带正电荷的核组成,由于来自核的吸引力,电子流围绕在核的周围。
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