RUPT 发表于 2025-3-25 05:01:55
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Wind-Blown Sand Electrification,han the one of fair weather (Rudge 1913, 1914; Kunkel 1950; Latham 1964; Kamra 1969; Stow 1969). The charged sand particles and wind-blown sand electrification may affect wind-blown sand flow, which attract more attentions recently. In fact, sand charging and wind-blown sand electric field have sign亵渎 发表于 2025-3-25 14:50:18
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,Aeolian Geomorphology and its Simulation – Aeolian Sand Dunes,anifestation of aeolian geomorphology system. Small-scale sand ripples can not grow into large-scale sand dunes, and sand dunes have distinct characteristics compared with sand ripples. The spatial and temporal scale in the formation and evolution of a sand dune is much larger than that of a sand riFrequency-Range 发表于 2025-3-26 00:45:04
Mechanical Analysis on the Efficiency of Sand Prevention Methods,asion to structures, destruction to crops, and burying to roads and railroads, and so on. So the key of sand prevention is to lower the wind velocity in order to cut down the intensity of wind-blown sand flux and to increase the consolidated soil surface crusts so as to decrease the sand concentrati脆弱吧 发表于 2025-3-26 08:10:21
weit zurück verfolgbar (z.B. Marshall, 1890; von Thünen, 1930), erlangte aber erst durch Michael Porter‘s Abhandlung „The Competitive Advantage of Nations“ (Porter, 1990) in neuerer Zeit große Aufmerksamkeit in Wirtschaft, Wissenschaft und Politik. Die Standortwahl wird aus drei zentralen Gründen mderiver 发表于 2025-3-26 11:14:00
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Xiaojing Zhengntersuchung der Handlungsmuster, durch die das betroffene Unternehmen den Wandel in seiner institutionellen Umwelt im Anschluss an den Skandal mitzugestalten versucht. Entsprechend unserer Überzeugung, dass sich Wandel nur aus einer Prozessperspektive heraus adäquat erfassen lässt, rekonstruieren wi