The unit, including the alloy, the reactor and fuel cell might weigh less than 100 pounds.
单位设备，包括合金、反应器和燃料电池重量不到100磅。
2
A portion of the thickened biomass is usually recycled to the reactor to improve performance through higher cell concentrations.
其中一部分浓缩的微生物会再循环回反应器中，以通过提高细胞浓度的方式来提高性能。
3
In a cell of biofilm reactor for whole-run nitrification, chlorine was added to achieve the selective inhibition to two kinds of bacteria in nitrification.