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Background: COVID-19 has become one of the most serious global epidemics in the 21st Century. This study aims to explore the distribution of research capabilities of countries, institutions, and researchers, and the hotspots and frontiers of…

In December 2019, a severe outbreak of a novel coronavirus (COVID-19) occurred in the whole world, posing a great threat to people’s health. With the outbreak and development of the epidemic, how to improve the cure rate, find effective drugs against…

The sudden outbreak of COVID-19 is unprecedented in its scope and impact. Under the epidemic situation, the special “classroom” under the completely virtual state brought by the implementation of network teaching brings challenges and tests to the…

[Purpose / Meaning] Rumors are frequent in the COVID-19 epidemic crisis. In order to unite the power of dispelling rumors of various media platforms to help to break the rumors in a timely and professional manner, this article has designed a new…

The fast pace and great pressure of modern life have made people’s psychological problems more and more serious. The outbreak of COVID-19 at the end of 2019 has accelerated the development of depression, anxiety, nervous tension and other emotions in…

It is expected that the problem of the azimuth cutoff wavelength in single-satellite synthetic aperture radar (SAR) observations can be solved by means of the cooperative observation of networked SAR satellites. Multiview SAR wave synchronization…

Brazil has one of the highest rates of cases and deaths attributed to Covid-19 in the world. Two factors contributed to the high rates: the Brazilian government underestimated the pandemic and a large amount of disinformation was spread through…

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