当丁酸的量超过26%时，库仑效率急剧降低。
A drastic drop in coulombic efficiency occurred when the proportion of butyrate exceeded 26%.
实验范围内丙酸比例的变化对库仑效率没有太大的影响。
Changes in propionate proportion within the examined range did not cause much variation in coulombic efficiency.
微生物燃料电池稳定运行的时间随着基质初始浓度的增大而增加，但库仑效率随着基质浓度的增大而减小；
The MFC can operate longer when the initial substrate concentration is higher. The coulomb efficiency decreases while the initial substrate concentration increases.
而较高气压时，束电子除受自身电磁场作用及库仑碰撞散射外，等离子体不稳定性使束流传输效率明显降低。
At relatively high pressure, in addition to electromagnetic field and electron's Coulomb scattering by gas molecules, plasma instability would result in decrease of propagation efficiency.
而较高气压时，束电子除受自身电磁场作用及库仑碰撞散射外，等离子体不稳定性使束流传输效率明显降低。
At relatively high pressure, in addition to electromagnetic field and electron's Coulomb scattering by gas molecules, plasma instability would result in decrease of propagation efficiency.
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