gas-making apparatus

  • 21Ministerial Awards of the Russian Federation — In the Russian Federation not only does the Federal Government create awards but so do many if not all of their Ministerial Departments. Some ministerial departments sub branches also create awards and medals of their own. Identifying all of the… …

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  • 22analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …

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  • 23spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …

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  • 24Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …

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  • 25Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …

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  • 26Friedrich Accum — Infobox Scientist name = Friedrich Accum image size = 250px caption = From the European Magazine (1820) engraving by James Thomson. birth date = birth date|mf=yes|1769|03|29 birth place = Bückeburg, Schaumburg Lippe death date = death date and… …

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  • 27Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …

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  • 28France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …

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  • 29Rebreather — A fully closed circuit electronic rebreather (Ambient Pressure Diving Inspiration) Acronym CCUBA (Closed Circuit Underwater Breathing Apparatus); CCR (Closed circuit rebreather), SCR (Semi closed rebreather) Uses Breathing set …

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  • 30Delhi Conspiracy Commission — The Chief Commissioner of Delhi, exercising his special powers under section 3(1) of the Code of Criminal Procedure, issued an order dated April 9, 1930 constituting a commission, which was known as the Delhi Conspiracy Commission. The Commission …

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