5Zhang Q, Streets D G, He K, et al. NO, emission trends for China, 1995-2004: The view from the ground and the view from space[ J ]. J Geophys Res, 2007, 112 : D22306, doi: 10. 1029/ 2007JD00868g ,2007.
6Richter A, Burrows J P, Nu H. Increase in tropospheric nitrogen dioxide levels over China observed from space [ J ]. Nature. 2005,437 (7055) : 129-132.
7World Health Organization (WHO). Health aspects of air pollution with particulate matter, ozone and nitrogen dioxide [ R]. Copenhagen: WHO, 2003:46-47.
8He K, Yang F, Ma Y. The characteristics of PM2.5 in Beijing China[J]. Atmos Environ, 2001, 35(29) :4959-4970.
9Zhao Y, Duan L, Xing J, et al. Soil Acidification in China: Is Controlling SO2 Emissions Enough? [J]. Environ Sci Technol, 2009, 43(21 ) :8021-8026.
10Electric Power Research Institute (EPRI). Achieving NOx Compliance at Least Cost:A Guideline for Selecting the Optimum Combination of NOx Controls for Coal-Fired Boilers [ R ]. Palo Alto: EPRI, 1998.1-14.
