"We have urgent needs to act now," Tanya Trujillo, the Interior Department's assistant secretary for water and science, said in a speech last week, of the 1,450-mile waterway that runs from Colorado's Rocky Mountains to Mexico's Sea of Cortez, and supplies water to America's drought-st...
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What about supply? The three environmental trends—the shortage of freshwater, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand. 出自-2016年6月阅读原文 ...
Supported metal nanocatalysts are commonly employed in heterogeneous catalysis, while sintering of supported metal species often happens during high-temperature reactions leading to catalyst deactivation1,2,3,4,5. To address this issue, various redispersion strategies have been developed with the aim of ...
The simulated plume does not spread as fast as observed because it is hard for the global model to reproduce the vertical wind shear as observed due to the limited spatial resolution, especially for a tropical volcanic plume spreading in the first couple of days21. In the model, the ...
Second artificial-bred Yangtze finless porpoise in good health China embraces harvest season China's FAST telescope identifies 44 pulsars Rare brown and white giant panda seen in Xi'an, NW China's Shaanxi China's first domestically-built polar research vessel and icebreaker "Xuelong 2" ...
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of iterations. However, compared to the other algorithms listed in Table1, the average number of iterations of the joint active–passive electrolocation algorithm is still relatively low, although it has a larger localization range, which indicates the fast localization speed of the proposed method....
PARIS (Reuters) -France will turn off the hot water in the toilets of public buildings and order municipalities to reduce water temperatures at public swimming pools by 1 degree Celsius as part of broader plans to reduce energy consumption, the energy ministry said. ...
Communities in the enterprise are grappling with this fast growing management challenge. They are also doing this in a fast changing business environment that is shifting power and responsibility within and between organizations. The rate of change has never been greater. It can only be sustained in...