Yueqing Xu

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Arable land in China has been decreasing as a result of rapid population growth and economic development as well as urban expansion, especially in developed regions around cities where quality farmland quickly disappears. This paper analyzed changes in arable land utilization during 1993-2008 in the Pinggu district, Beijing, China, developed a multinomial(More)
Land use/cover change (LUCC), a local environmental issue of global importance, and its driving forces have been crucial issues in geography and environmental research. Previous studies primarily focused on major driving factors in various land use types, with few explorations of differences between driving forces of mutual land use type conversions,(More)
According to the character of sulfanilamide production wastewater, in this paper, the recovery process of sulfanilamide, sodium nitrate in wastewater resulting from manufacturing sulfanilamide was developed by using macro porous resin. The conditions of the resin adsorption and desorption capacity were investigated and the optimal parameters were(More)
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