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    • Yantarasri, Thongchai (Texas A&M University. Libraries, 1989)
      A rap id rate nitrification filter, called a retained biomass disk (RBD). has been used to examine the response of Nitrosomonas spp. to different levels of nitrite (14- 196 mg-N/L) an d the response of Nitrobacter spp. to ...