A new process of the bio-electrode rotating contactor (BERC) for denitrification was developed, and study was made for autotrophic denitrification by using hydrogen as electron donor.
采用旋转电极型生物反应器（B ERC）脱氮，对以氢气作为电子供体的自养反硝化进行了研究。
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One way to think about it, if we want to use a classical analogy, which often helps to give us an idea of what's going on, is the spin of an electron, we can picture it rotating on its own axis.