The results show that the long electrode gap leads to the positive column which is caused by the climbing voltage on the cathode surface due to the accumulation of positive ions.

结果表明，放电单元采用大电极间距可获得正柱区放电，正柱区的形成是正离子在阴极鞘层区不断积累将电位抬高所致。

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Here is what Brady recently had to say about the Growth Gap in a recent column in The Hill.

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"We are all able to speculate on the reasons for this failure and we are sure that many column inches will be written about the funding gap, inadequate continuing professional development (CPD) opportunities, leadership issues, performance management, best practice and disruptive behaviour, " he said.

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More advice on closing your own personal wage gap in the posts in the left-hand column.

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