本powerpoint演示文稿首先简要概述了配电系统中的生物膜，以及生物膜习惯的优点。介绍了生物膜中的细胞变化，以及生物膜循环、早期定植、管道材料的影响、消毒剂残留、消毒剂制度的变化、群落扩展、成熟生物膜、竞争与合作、沟通与阻断、捕食、原生动物中的病原体、扩散、大肠菌群和大肠杆菌、腐蚀、硝化和反硝化、，以及生物膜的潜在风险。包括桌子。

This powerpoint presentation begins by providing a brief overview of biofilms in distribution systems, and advantages of the biofilm habit. Cellular changes in biofilms are presented, along with the biofilm cycle, early colonization, effects of pipe material, disinfectant residual, changing disinfectant regimes, community expansion, mature biofilm, competition and cooperation, communication and blocking, predation, pathogens persisting in protozoa, dispersal, coliforms and E.coli, corrosion, nitrification and denitrification, and potential risks from biofilm. Includes tables.