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Alkaline Bi//Zn batteries with superb safety, low cost, and high power density are promising candidates for large‐scale electrical energy storage. However, their developments are severely limited by the Bi‐based cathode as the unsatisfying capacity and cycle life. Herein, an innovative multistage cubic nanospheres Bi12SiO20 (MCS‐Bi12SiO20) is successfully synthesized by a simple calcination method,...
This paper presents a new method for ionospheric height estimation with High Frequency Surface Wave Radar. Ionosphere, usually sounded by specialized equipment, is of great significance for radar system and other electromagnetic systems. Without ionosonde, the ionospheric parameters can only be obtained from the theoretical or empirical model, which, however, is incapable of properly delineating the...
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