Oxygen therapy

src: fcdn.return2health.net Oxygen therapy , also known as supplemental oxygen , is the use of oxygen as a medical treatment. This can inc...

Biochemical oxygen demand

src: upload.wikimedia.org Biochemical oxygen demand ( BOD , also called biological oxygen demand ) is the amount of dissolved oxygen needed...

Basic oxygen steelmaking

src: i.ytimg.com Basic Oxygen Steelmaking ( BOS , BOP , BOF , and OSM ), also known as Linz-Donawitz-steelmaking or the oxygen converter p...

Active packaging

src: upload.wikimedia.org The terms active packaging , intelligent packaging , and smart packaging refer to packaging systems used with foo...

Oxygen concentrator

src: hyperbariccentral.com An oxygen concentrator is a device which concentrates the oxygen from a gas supply (typically ambient air) to su...