countercurrent saturation

  • 1Aquatic respiration — is the process whereby an aquatic animal obtains oxygen from water. Earth s natural bodies of water have a low oxygen concentration much lower than the level of oxygen in air at the earth s surface. Smaller organisms can obtain sufficient oxygen… …

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  • 2Acrocyanosis (benign) — DiseaseDisorder infobox Name = Acrocyanosis ICD10 = ICD10|I|73.8| |i|00 ICD9 = ICD9|443.89 Caption = DiseasesDB = 29444 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = eMedicine mult = MeshName = MeshNumber = Acrocyanosis refers to a …

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  • 3Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …

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  • 4rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …

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  • 5Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 6hydrologic sciences — Introduction       the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology.       In its widest sense hydrology encompasses the study of the occurrence, the… …

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  • 7lake — lake1 /layk/, n. 1. a body of fresh or salt water of considerable size, surrounded by land. 2. any similar body or pool of other liquid, as oil. 3. (go) jump in the lake, (used as an exclamation of dismissal or impatience.) [bef. 1000; ME lak(e) …

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  • 8Lake — /layk/, n. Simon, 1866 1945, U.S. engineer and naval architect. * * * I Relatively large body of slow moving or standing water that occupies an inland basin. Lakes are most abundant in high northern latitudes and in mountain regions, particularly …

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  • 9Acid–base homeostasis — Blood gas, acid base, gas exchange terms PaO2 Arterial oxygen tension, or partial pressure PAO2 Alveolar oxygen tension, or partial pressure PACO2 Arterial carbon dioxide tension, or partial pressure PaCO2 Alveolar carbon dioxide tension, or… …

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  • 10Blood plasma — is the straw colored liquid component of blood in which the blood cells in whole blood are normally suspended. It makes up about 55% of the total blood volume. It is the intravascular fluid part of extracellular fluid (all body fluid outside of… …

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