When the amount of PVDF and acetylene black is 7~10% and 8%, the positive plate obtained possesses optimum properties in our studies.

本研究中PVDF粘结剂的添加量在7一10%，乙炔黑导电剂的添加量在8%左右，正极极片的性能最佳。

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One plate is positive, the other negative.

一板为正极，另一板为负极。

youdao

One carbon-coated plate, or electrode, is positive, and the other is negative.

一块碳涂层板或电极为正，另一块为负。

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The President believes -- I think clearly, and as I've restated here -- that banks have an obligation to take responsibility for what was caused for their role in that, and to step up to the plate now and be part of positive economic reform and positive economic recovery.

WHITEHOUSE: Press Briefing

Only when a positive employment trend has been sustained enough to improve the lending environment will most banks step up to the plate with higher rates on savings accounts.

FORBES: The Meaning of Sub-8 Percent Unemployment