suction pressure gauge

  • 31Earth 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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  • 32Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …

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  • 33climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …

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  • 34Geotechnical investigation — Geotechnical investigations are performed by geotechnical engineers or engineering geologists to obtain information on the physical properties of soil and rock around a site to design earthworks and foundations for proposed structures and for… …

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  • 35Glossary of boiler terminology — Boilers for generating steam or hot water have been designed in countless different shapes, sizes and configurations. An extensive terminology has evolved to describe their common features. This glossary provides definitions for these terms.… …

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  • 36Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …

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  • 37Einheitsdampflokomotive — The German term Einheitsdampflokomotive, sometimes shortened to Einheitslokomotive or Einheitslok , means standard steam locomotive and refers to the steam engines built in Germany after 1925 under the direction of the Deutsche Reichsbahn… …

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  • 38Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …

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  • 39Guyana — Guyanese /guy euh neez , nees /, n., adj. /guy an euh, ah neuh/, n. an independent republic on the NE coast of South America: a former British protectorate; gained independence 1966; member of the Commonwealth of Nations. 706,116; 82,978 sq. mi.… …

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  • 40undersea exploration — Introduction       the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments       Included in the scope of undersea exploration are the physical and chemical… …

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