It is an integral part of the electron transport chain that catalyses primary charge separation.

这是一对电子传递链的电荷分离催化的主要组成部分。

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The SIMS technique bombards the lunar samples with a primary ion beam that allows the researchers to separate the ions with a magnet, depending on the charge.

SIMS技术可以以离子束轰击月岩样本，从而使研究人员调整电荷水平，用磁石分离出离子。

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If you're buying a travel insurance bundled policy, some companies offer primary CDW coverage at a much lower rate than the rental companies charge.

如果你想买一种旅行捆绑保险的话，某些公司的车损险主险比租车公司的收费执行的费率要更低一些。

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Whether the blame for Sanchez's struggles lies more with him or the people around him, this much is certain: Idzik's primary charge is to improve the Jets' quarterback play and replenish their talent, and both Woody and Gil Brandt, the Dallas Cowboys' director of player personnel from 1960 through 1989, had the same recommendation for how he ought to do it: draft more quarterbacks.

WSJ: There Is Hope for the Jets After All

The primary question is what to charge for membership to Ray Drecker (Thomas Jane).

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Another government review is aimed at primary care: forcing GPs to charge non-eligible patients, something which is at present discretionary.

BBC: Getting tough with 'health tourists'