Although nitrogen is very abundant in the atmosphere as dinitrogen gas (N 2), it is largely inaccessible in this form to most organisms, making nitrogen a scarce resource and often limiting ...

Although nitrogen gas (N 2) is plentiful, it is largely unavailable to most organisms without a process known as nitrogen fixation, which converts dinitrogen to ammonium—a major inorganic ...

ArianeGroup's upper stage engine delivers a thrust of around 27.5 kilonewtons and is powered by dinitrogen tetroxide as oxidizer and monomethylhydrazine as fuel. The Aestus upper stage engine was ...