2010 International Conference on Challenges in Environmental Science and Computer Engineering [electronic resource] : proceedings, Wuhan, China, 6-7 March 2010 / editors, Feng Xiong, Qi Luo ; " ... co-sponsors, Intelligent Information Technology Application Research Association, Hong Kong ; Asia Pacific Environmental Science Research Center, Hong Kong ; Engineering Technology Press, Hong Kong ; technical co-sponsors, Wuhan University, China ... [et al.]