He, Yong-Xiu; Fang, Rui; Li, Yan; Li, Furong - In: International Journal of Global Environmental Issues 9 (2009) 3, pp. 259-271
With the economic development, the environment protection problems become more and more serious and the environment protection deterioration risk has been exacerbated in Zibo City, China. Many small heating boilers are used to supply heat in Huantai district of Zibo, which have low efficiency of...
