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[求助] 重金求高手翻译

请高手帮忙搞定让我毫无头绪的两段翻译：
1.In general, voltage drops in the cell are associated with (1) electrode polarization or kinetic losses, (2) iR losses, associated with contact and ionic resistances, or ‘pseudo-iR’ losses, associated with mass transfer of redox-active species within active electrode layers and (3) mass transfer-limiting currents associated with bulk
reagent delivery to the electrode.

2. Prior to and following each polarization curve, the high frequency resistance (HFR) was measured for the VRB. The potentiostat measured the HFR at 15–30 kHz using an AC potential perturbation of 10 mV amplitude, measuring the current response. This resistance was multiplied by the active area of the membrane to determine the areal specific resistance (ASR) of the cell and to iR correct the cell potential measurements using current density. All reported current densities are with respect to the geometric surface area of the electrode.
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