[analysis of microbial community of a beijing simulator water distribution system].identification of compositions of the biofilm in a beijing simulator water distribution system pipe networks by pcr and single strand conformation polymorphism (pcr-sscp) technique and analysis of its heterotrophic bacterial by heterotrophic plate count (hpc) were performed. results showed that when the water velocities were same, the count of heterotrophic bacterial on the zinficated steel wall was about five times of the pvc. on the other hand, when the pipe materials were zinficated steel, th ...200818624174
isolation and identification of nitrogen-fixing bacilli from plant rhizospheres in beijing isolate and identify nitrogen-fixing bacilli from the plant rhizospheres in beijing region of china.200516238759
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