plural of nitrogen oxide

The difference between nitrogen intake and nitrogen excretion in the body, such that positive nitrogen balance occurs when intake exceeds excretion.

plural of nitrogen balance

(physics, astronomy) A group of nuclear reactions, that involve the interaction of protons with carbon, nitrogen and oxygen nuclei, thought to be the main source of energy in main-sequence stars of greater than 1.4 solar mass.

A device that adsorbs nitrogen oxides produced by a lean-burn engine, such as a diesel.

plural of lean nitrogen oxide trap