micro-biological particle 微生物颗粒
biological particle detail 生物微粒
porous biological particle fluidized bed 多孔生物粒子流化床
Numerically studies the concentration distribution of biological particle similar as SARS virus particle in HVAC system with return air.
采用数值计算方法，对带有回风的空调系统中类似SARS病毒颗粒的生物颗粒浓度的分布规律进行了模拟分析。
The effect of DO concentration and inlet COD concentration on the nitrogen removal efficiency in porous biological particle fluidized bed nitrification and denitrification(SND) is studied.
进水COD浓度及C/N值是影响系统反硝化效果的两个重要参数，为此研究了不同进水COD浓度在不同C/N值条件下的脱氮效果。
Most biological particulate filters remove particle sizes as small as 0.3 microns.
多数生物微粒过滤器可以除去0.3微米以上的微粒。
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