利用叶绿素荧光技术得到的相对电子传递速率（relative Electron Transport Rate，rETR）随光合有效辐射（Photosynthetic Active Radiation）的变化曲线，即快速光...
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测定了第二步发酵过程的氧传递速率和体积传质系数。
The oxygen transfer rate and volumetric mass transfer coefficient of the second step of the fermentation process were measured.
给出氧传递速率、氧利用率、呼吸商等参数的计算式。
The computation of oxygen transfer rate and the coefficient of utilization of oxygen and respiratory quotient is given.
探讨了影响氧传递速率的因素，以供环境工程设计者参考。
In this paper several factors affecting the transferring rate of oxygen are discussed, which offer environment engineers references.
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