4Dho-Moulin M, Fairbrother. Avian pathogenic Escherichia coli(APEC)[J]. J Vet Res, 1999, 30(2-3):299-316.
5Ramirez Santoyo R M, Moreno Sala A, Almanza Marquez Y. Avian Escherichia coli virulence factors associated with coli septicemia in broiler chickens[J]. Rev Argent Mecrobiol, 2001, 33(1):52-57.
6Wooley R E, Spears K R, Brown J, et al. Relationship of complement resistance and selected virulence factors in pathogenic avian Escherichia coli[J]. Avian Dis, 1992, 36(3):679-684.
7[美] PRISCILLA NORTON&KARIN M WIBURG.信息技术与教学创新[M].吴洪健,倪男奇,译.北京:中国轻工业出版社,2002:187-192.
3Don Ihde. Instrumental Realism: The Interface between Philosophy of Science and Philosophy of Technology [ M ].Bloomington and Indianapolis: Indiana University Press, 1991.75,75.
4Don Ihde. Technics and Praxis: A Philosophy of Technology [ M ]. Dorderecht: Reidel Publishing Company,1979.35,15,21,44.
5Don Ihde. Bodies in Technology[M]. London: University of Minnesota Press, 2002.81.
6Don Ide. Philosophy of Technology: An Introduction [ M ].New York : Paragon House, 1993.51.
7Larry A Hickman. John Dewey' s Paragmatic Technology [M]. Bloomington and Indianapolis: Indiana University Press,1990.11.