nitrogen flowmeter

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Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see … Wikipedia
Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… … Wikipedia
Ludwig, Carl F.W. — ▪ German physiologist in full Carl Friedrich Wilhelm Ludwig born Dec. 29, 1816, Witzenhausen, near Kassel, Hesse Kassel [Germany] died April 23, 1895, Leipzig, Ger. a founder of the physicochemical school of physiology in Germany. A… … Universalium

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