- oxygen content of atmospheric air
- содержание кислорода в атмосфере
English-Russian aviation meteorology dictionary. 2013.
English-Russian aviation meteorology dictionary. 2013.
Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7 … Wikipedia
Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ … Wikipedia
Oxygen Catastrophe — The Oxygen Catastrophe was a massive environmental change believed to have happened during the Siderian period at the beginning of the Paleoproterozoic era of the Precambrian, about 2.4 billion years ago. It is also called the Oxygen Crisis,… … Wikipedia
Oxygen bar — Interior of an oxygen bar An oxygen bar is an establishment, or part of one, that sells oxygen for recreational use. Individual flavored scents may be added to enhance the experience. The flavors in an oxygen bar come from bubbling oxygen through … Wikipedia
Oxygen sensor — Contents 1 Automotive applications 1.1 Function of a lambda probe 1.2 The probe … Wikipedia
Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence … Wikipedia
Air dryer — A compressed air dryer is a device for removing water vapor from compressed air. Compressed air dryers are commonly found in a wide range of industrial and commercial facilities. The process of air compression concentrates atmospheric… … Wikipedia
Air pollution — from World War II production Smog over … Wikipedia
Oxygen cycle — The oxygen cycle. The Oxygen cycle is the biogeochemical cycle that describes the movement of oxygen within its three main reservoirs: the atmosphere (air), the total content of biological matter within the biosphere (the global sum of all… … Wikipedia
Useful conversions and formulas for air dispersion modeling — Various governmental agencies involved with environmental protection and with occupational safety and health have promulgated regulations limiting the allowable concentrations of gaseous pollutants in the ambient air or in emissions to the… … Wikipedia
Enriched Air Nitrox — Nitrox refers to any gas mixture composed (excluding trace gases) of nitrogen and oxygen; this includes normal air which is approximately 78% nitrogen and 21% oxygen, with around 1% inert gases, primarily argon.cite book |title=Bennett and… … Wikipedia