co2-free water
1Free-diving — Free diver with monofin, ascending. Freediving is any of various aquatic activities that share the practice of breath hold underwater diving. Examples include breathhold spear fishing, freedive photography, apnea competitions and, to a degree,… …
2Free-air concentration enrichment — FACE facility in the Nevada desert. Free Air Carbon dioxide Enrichment (FACE) is a method used by ecologists and plant biologists that raises the concentration of CO2 in a specified area and allows the response of plant growth to be measured.… …
3Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
4Water rocket — A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel mdash;the engine of the rocket mdash;is usually a used plastic soft drink bottle. The water is forced out by a pressurized gas, typically compressed… …
5Water (molecule) — Chembox new Name = Water (H2O) ImageFileL1 = Water 2D labelled.png ImageSizeL1 = 120px ImageNameL1 = The water molecule has this basic geometric structure ImageFileR1 = Water molecule 3D.svg ImageSizeR1 = 100px ImageNameR1 = Space filling model… …
6Bottled water — is drinking water packaged in bottles for individual consumption and retail sale. The water can be glacial water, spring water, well water, purified water or simply water from the public water supply (tap water). [ [http://www.rd.com/special… …
7Hard water — is the type of water that has high mineral content (in contrast with soft water ). Hard water minerals primarily consist of calcium (Ca2+), and magnesium (Mg2+) metal cations, and sometimes other dissolved compounds such as bicarbonates and… …
8Shallow water blackout — A shallow water blackout is a loss of consciousness caused by cerebral hypoxia towards the end of a breath hold dive in water typically shallower than five metres (16 feet), when the swimmer does not necessarily experience an urgent need to… …
9Deep water blackout — Latent hypoxia hits on ascent A deep water blackout is a loss of consciousness caused by cerebral hypoxia on ascending from a deep freedive or breath hold dive, typically of ten metres or more when the swimmer does not necessarily experience an… …
10Doubly labeled water — is water in which both the hydrogen and the oxygen have been partly or completely replaced for tracing purposes (i.e., labeled) with an uncommon isotope of these elements. In practice, for both practical and safety reasons, almost all recent… …
