- concentrators
- n. someone or something which concentrates; one who is attentive
English contemporary dictionary. 2014.
concentrators
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Oxygen concentrator — A home oxygen concentrator in situ in an emphysema patient s house. The model shown is the DeVILBISS LT 4000 … Wikipedia
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Portable oxygen concentrator — A portable oxygen concentrator, also called a portable concentrator is a portable device used to provide oxygen therapy to a patient at substantially higher concentrations than the levels of ambient air. It is very similar to a home oxygen… … Wikipedia
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Remote concentrator — In modern telephony a remote concentrator or Remote Line Concentrator (RLC) is the lowest level in the telephone switch hierarchy. Only a few hundred telephone lines attach to each remote concentrator. In North America, concentrators are located… … Wikipedia
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Oxygen therapy — Intervention ICD 9 CM 93.96 MeSH … Wikipedia
Mineral processing — Crushing, a form of comminution, one of the unit operations of mineral processing In the field of extractive metallurgy, mineral processing, also known as mineral dressing or ore dressing, is the process of separating commercially valuable… … Wikipedia
