共同生活 发表于 2025-3-25 06:37:14
Introduction to Electron Beam Instruments,luid plays an insignificant role in the transportation of momentum, flows of such materials can be considered as dispersed single-phase flows. In other occasions, when the mass of the interstitial fluid is comparable to that of the solids the interactions between the fluid and solid phases are signiCLOT 发表于 2025-3-25 11:08:50
https://doi.org/10.1007/978-1-4899-1522-1ological and geophysical observations of the Earth’s surface, its relative horizontal motions and its topography. Direct consequences of the mantle flow include plate tectonics, which refers to the relative motions of the continents, spreading of the sea-floor, creation of new crust and mid-ocean riHAVOC 发表于 2025-3-25 15:39:59
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Václav Drchal,Václav Janiš,Josef Kudrnovskýhis massive amount of material is subsequently deposited on the ground, with much of the coarser fraction of the flow being deposited within a few hundred kilometres of the volcanic edifice. This may lead to a substantial regional change to the topography, with ash flow deposits being tens to hundre纠缠,缠绕 发表于 2025-3-26 03:01:35
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W. Dekeyser,L. Fiermans,J. Vennikplitudes of these disastrous events appear to have increased in recent years perhaps due to recent climate warming. The events endanger the personal property and infra-structure in mountainous regions. For example, from the winters 1940/41 to 1987/88 more than 7000 snow avalanches occurred in Switze