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Optimizing land use structure is currently a hot research topic in the land resource management field. In this study, we constructed a new land use structure optimization model based on the improved multi-objective differential evolution algorithm. This model made improvements in two aspects of the classic differential evolution algorithm, i.e., control parameters and adaptive strategies. On this...
In this work, porous HAP nanofibers assembled from nanorods were developed as potential devices for the treatment of Cu(II), Cd(II), and Pb(II) contamination of consumable waters. Two steps were employed in the HAP nanofibers fabrication. First, rod-like HAP nanoparticles were synthesized through a chemical pathway from Ca(NO₃)₂ ·4H₂O, (NH₄)₂ HPO₄, and polyvinylpyrrolidone (PVP) as a capping agent...
The global warming caused by massive energy consumption is one of today’s most serious global environmental problems. CO₂ emissions by the electricity industry in China accounted for 10% of global CO₂ emissions in 2015. This paper studies the impact of different electricity production taxes on China’s energy, economy, and environment. Nine electricity tax scenarios with different tax rates and a dynamic...
Global warming has become an indisputable fact over the past century, while much research has shown that the rate of potential evapotranspiration had been consistently decreasing throughout the world over the past 50 years. This phenomenon is called the “evaporation paradox.” In this study we tested the trends of potential evapotranspiration and air temperature, and analyzed the effects of climate...
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