...①受体竞争（占位性保护）作用 正常菌群通过其配体与黏膜上皮细胞表面受体结合而黏附，在定植处形成一层膜菌群（membrane flora），发挥屏障和占位性保护作用，使外来病原菌不能定植而通过侵入门户侵袭机体。
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脑膜炎双球菌C群菌株 Group C meningococcus
采用生物膜填料塔进行了净化低浓度苯乙烯废气的实验研究及生物膜内微生物菌群分析。
The biofilm micro-community in bio-packing tower is detected and purifying the waste gas of low styrene concentration with bio-packing tower is analyzed.
根据活性生物膜扩张原理，建立了硝化生物膜中微生物相互作用的非稳态解析数学模型，并可预测生物膜厚度的变化与微生物菌群的空间分布。
Based on the principle of active biofilm expansion , a non-steady state analytic mathematical model of microbial interactions in nitrifying biofilm was developed.
在生物膜系统中通过引种和共培养复合菌群后，生物膜微生态系统较活性污泥微生态系统更加稳定。
In the system of bio-film, micro-ecology of bio-film was more stable than activated sludge's after introduction-culture and co-operation compound bacterium.
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