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Titlebook: Water Management at Abandoned Flooded Underground Mines; Fundamentals, Tracer Christian Wolkersdorfer Book 2008 Springer-Verlag Berlin Heid

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21#
發(fā)表于 2025-3-25 03:59:46 | 只看該作者
22#
發(fā)表于 2025-3-25 09:24:53 | 只看該作者
en von sehr allgemeiner Art erlaubt, ohne auf eine bestimmte Reaktion eingehen zu müssen. Wir werden andererseits aber auch sehen, da? diese Betrachtungsweise nicht immer ausreicht und bei ihrer Anwendung eine gewisse Vorsicht geboten ist. In vielen F?llen müssen die charakteristischen Einzelheiten
23#
發(fā)表于 2025-3-25 12:56:02 | 只看該作者
24#
發(fā)表于 2025-3-25 16:42:51 | 只看該作者
-45°, corresponding to the transition from sheath to bulk dominated discharge regimes. The changes in I-V phase shifts increase power deposition efficiency in the plasma, which leads to a greater production of the ions and radicals required for material removal. The optimal discharge condition is a
25#
發(fā)表于 2025-3-25 20:45:27 | 只看該作者
Hydrogeochemistry of Mine Water, the problem associated with disulphide oxidation: “if mine workings could have been isolated hydrologically, operators, who must pump as much as 23 t of water per ton of coal from the anthracite mines of Pennsylvania, could have saved a great amount of money”. That was in 1964 and even today, after
26#
發(fā)表于 2025-3-26 04:06:51 | 只看該作者
Hydrogeochemistry of Mine Water, the problem associated with disulphide oxidation: “if mine workings could have been isolated hydrologically, operators, who must pump as much as 23 t of water per ton of coal from the anthracite mines of Pennsylvania, could have saved a great amount of money”. That was in 1964 and even today, after
27#
發(fā)表于 2025-3-26 07:25:12 | 只看該作者
Insights into Mine Closure,did not undergo such procedures. Nevertheless, in both cases, the available remediation options and the time scales or financial efforts necessary to remediate these sites, which cover about 240,000 km. of our planet (Furrer et al. 2002), are very similar.
28#
發(fā)表于 2025-3-26 09:23:03 | 只看該作者
29#
發(fā)表于 2025-3-26 13:04:59 | 只看該作者
30#
發(fā)表于 2025-3-26 19:29:56 | 只看該作者
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