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However, movement of ions through a gas under the influence of an electric field was described for the first time by John Zeleny (18721951) in 1898, who indicated that the positive and negative ions, which take part in the conduction of gases exposed to Rntgen rays, move with different velocities when in the same electric field (Zeleny, 1898)
In the era of rapid development, the company will continue to adhere to the principle of honesty, trust and perseverance, cre-ate a win-win market, cooperate with the majority of dealers and friends to develop and profit, and continue to consolidate prod-uct quality and structure
SOURCE: Amsterdam University Medical Center, news release, Jan
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Tang et al., 2020)
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