Abstract: A high-efficiency frequency quadrupler (X4) operates between 110 and 130 GHz. The design consists of two push-pull doublers and three differential amplifiers that improve output power and ...
This interactive table shows the religious makeup of 201 countries and territories. Our accompanying report “How the Global Religious Landscape Changed From 2010 to 2020” describes our methodology and ...
The balance of power in the House of Representatives will likely be decided by 43 of the most competitive races, according to the most recent ratings by the Cook Political Report. 218 districts for ...
aDepartment of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Celoria 22, Milan 20133, Italy bDepartment of Pathophysiology and Transplantation, Università degli Studi ...
During the 2020 presidential campaign, candidate Joe Biden presented voters with a bold pledge: He wouldn’t raise taxes on anyone earning less than $400,000. President Biden has carried the same ...
We projected global trends in ischemic stroke from 2020 to 2030 according to age, sex, and socio-demographic index (SDI) quintile. Estimated annual percentage changes (EAPCs) were used to project ...
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