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from article Chemical process safety
Fatal accident rate expressed as a 5-year moving average for the period 1960–1982 for a very large chemical company.
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from article Environmental life-cycle impact of alternative aviation fuels
Life cycle of alternative aviation fuels.
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from article Environmental life-cycle impact of alternative aviation fuels
Process flow diagrams for alternative aviation fuels. (a) Sugarcane. (b) Autotrophic algae. (c) The oilseed tree Pongamia pinnata.
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from article Environmental life-cycle impact of alternative aviation fuels
Normalized global warming potential (GWP) contributions of feedstock pathways and conventional aviation fuel for the system expansion method.
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from article Environmental life-cycle impact of alternative aviation fuels
Normalized GWP contribution comparison for the allocation method.
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from article Structural design of high-rise towers
Tall building structures worldwide. Construction completion dates (right to left) range from 1889 to 2010 (a) Council on Tall Buildings and Urban Habitat (CTBUH) architectural heights. Although the Eiffel Tower is not a CTBUH tall building, it is…
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from article Structural design of high-rise towers
Model photo of the proposed Millennium Tower in Tokyo Bay. Note the decreasing widths of the elevator and fire exit stairway core with increasing tower height. (Courtesy Foster + Partners, http://www.fosterandpartners.com)
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from article Structural design of high-rise towers
Burj Khalifa (formerly Burj Dubai) (Courtesy Emaar Properties)
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from article Structural design of high-rise towers
Proposed Sky City 1000, with 14 levels and 800 hectares of floor area for offices, residences, commercial spaces, and so on.
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from article Ancient lethal hothouse
Paleogeography reconstruction of the Early Triassic world (left panel), showing that fishes and ichthyosaurs vacated the equator during the Smithian, with tetrapods exclusively occurring in the northern and southern middle to high latitudes…
