File:Aurora_in_Abisko_near_Torneträsk.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as ionisation
原子或分子通过获得或失去电子而获得电荷的过程
Ionization is the process by which charged particles are created, often when the solar wind interacts with particles in Earth's upper atmosphere. When ionization occurs, these charged particles can emit light of different colors, which is responsible for creating the auroras that appear near the polar regions.
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- has effect
- ion
- opposite of
- plasma recombination
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Article · 中文
电离（英語：Ionization），或称游离、电离作用、離子化，是指在（物理性的）能量作用下，原子、分子在水溶液中或熔融状态下产生自由离子的过程。 電離大致可細分為兩種類型：一種連續電離（sequential ionization）和非連續電離（nonsequential ionization）。在古典物理學中，只有連續電離可以發生。非連續電離則違反了若干物理定律，屬於。 例如： * 在水溶液中，由于水分子的作用，HCl全部解離成H+和Cl−，因此被定義為強酸 * 在水溶液中，由于水分子的作用，CH3COOH部分离解成H+和CH3COO−，因此被定義為弱酸 * 在光照或高能射線輻射下，气態原子、分子失去电子變成離子
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