Positive and negative ions in a solution can move and conduct a current .
溶液中的正离子和负离子可以移动并且导电。
This ion trap works in pulsed mode and can store ions of wide mass range.
它可在脉冲状态下工作，并可存储极宽质量范围的离子。
It can improve air quality through increasing negative ions in air.
通过增加空气中的负离子量改善空气质量。
It can improve air quality through increasing negative ions in air.
通过增加空气中的负离子量改善空气质量。
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