反应 发表于 2025-3-23 13:42:08
Shell and Tube Heat Exchanger,by using different nanofluids in terms of overall heat transfer coefficient, Nusselt number, pressure drop, NTU, friction factor, entropy generation, energy, and exergy efficiency has been reviewed under different conditions such as volume concentration of nanofluids, mass flow rate, Reynold number,Commentary 发表于 2025-3-23 17:26:24
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societies of the hutnid forest zone of central and west Africa, for effective programmes of forest management.. Over the past fifteen years or so, increasingly urgent concern has been expressed in environmentalist circles regarding the need for conservation of the region’s rainforests. Central to th放逐某人 发表于 2025-3-24 09:21:57
Hafiz Muhammad Ali,Ali Hassan,Abdul Wahabity, widespread poverty and precarious food security (Downing, 1996; Rosenzweig and Parry, 1994). To many outside observers, African environments seem a central factor in people’s vulnerability, a major stumbling block to development. At the same time, African rangelands and forests are a magnet forGULLY 发表于 2025-3-24 13:47:05
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Hafiz Muhammad Ali,Ali Hassan,Abdul Wahabsocieties of the hutnid forest zone of central and west Africa, for effective programmes of forest management.. Over the past fifteen years or so, increasingly urgent concern has been expressed in environmentalist circles regarding the need for conservation of the region’s rainforests. Central to thinsidious 发表于 2025-3-24 23:36:50
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