7MICHAEL B T, JAMES M E. Recirculating Aquaculture[ M ]. New York: NRAC Publication, 2002 : 398,419 ,424,426.
8DOUGLAS J R, MICHAEL B T. Prediction of oxygen transfer and total dissolved gas pressure in airlift pumping[ J]. Aquacul- tural engineering, 1989,8 : 29-46.
9FAO. Inland aquaculture engineering-aquacuhure development and coordination programme[ EB/OL]. UNITED NATIONS DE- VELOPMENT PROGRAMME FOOD AND AGRICULTURE OR- GANIZATION OF THE UNITED NATIONS, Rome, 1984. ht- tp ://www. fao. org/docrep/X5744E/X5744E00, htm.
10CHEN S L, LING J, BLANCHETON J P. Nitrification kinetics of biofilm as affected by water quality factors[ J]. Aquacultural Engineering, 2005, 9(4) : 1-19.