School of Life and Health Sciences, Hainan Province Key Laboratory of One Health, Collaborative Innovation Center of One Health, Hainan University, Haikou, Hainan 570228, China ...

The fractional excretion of urea nitrogen (FEUN) has been used as a renal blood flow index related to cardiac output, and the estimated plasma volume status (ePVS) as a body fluid volume index.

President Donald Trump bet that his 145 percent tariff on Chinese imports would bring Chinese leader Xi Jinping running to cut a deal on trade. Instead, China responded by hitting back with ...

BRUSSELS — The Netherlands is rolling back its nitrogen reduction targets, setting the stage for a showdown with its own judges and Brussels over one of Europe’s most contentious environmental issues.

A new study reveals that Earth’s “missing nitrogen” likely sank into the planet’s metallic core during its molten youth, drawn by extreme pressures that made nitrogen highly siderophile (metal-loving) ...