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from article Absorption
Incident sunlight is absorbed, reflected, and scattered by tree leaves. (Credit: Shutterstock / photolinc)
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from article Capricornus
Modern boundaries of the constellation Capricornus, the Sea Goat. The celestial equator is 0° of declination, which corresponds to celestial latitude. Right ascension corresponds to celestial longitude, with each hour of right ascension representing…
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from article Geotechnical engineering
Mike O'Callaghan-Pat Tillman Memorial Bridge over the Colorado River at the Hoover Dam, spanning Nevada and Arizona, USA. Geotechnical engineering of the bridge site included 3D laser scanning of the canyon walls, geologic mapping, core drilling,…
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from article Rock mechanics
Typical rock mass containing numerous discontinuities. The person in picture is conducting a scanline survey, where a tape is placed across the rock and detailed information is gathered on the fractures that intersect the scanline.
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from article Rock mechanics
(a) Uniaxial compression test, where an axial stress is applied to a core sample of rock and increased until failure. (b) Triaxial compression test, where a constant confining stress is first applied, then the axial stress is increased until failure.
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from article Rock mechanics
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from article Rock mechanics
(a) Example of the failure zone around an underground excavation (×, shear failure; o, tensile failure), calculated using the Rocscience Phase2 computer program. (b) Example of a shallow underground excavation where the failure mode is either…
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from article Rock mechanics
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from article Aluminum (metallurgy)
Bauxite washing. (Aluminum Company of America)
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from article Aluminum (metallurgy)
Processing of alumina from bauxite. (Aluminum Company of America)
