[名词解释] 类立克次氏体(Rickettsia-Lick Organism RLO)
[名词解释] 细菌 bacteria
[名词解释] Bacteria, eubacteria (真细菌)
[名词解释] 柄细菌(prosthecate bacteria)
[名词解释] 细菌生理群 physiological group of bacteria
[名词解释] 氨氧化细菌 ammonia-oxidizing bacteria
[名词解释] 溶源性细菌(1ysogeniec bacteria)
[名词解释] 立克次体(rickettsia)
[单选题]When anaerobic bacteria convert the sewage to an inert sludge, .A.no oxygen is neededB.oxygen is necessaryC.oxygen is given offD.no gas is produced
[名词解释] 喷菌现象(bacteria exudation,BE)