Parabola
发表于 2025-3-28 17:02:46
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尽忠
发表于 2025-3-28 20:06:52
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含水层
发表于 2025-3-29 01:18:10
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急急忙忙
发表于 2025-3-29 04:25:35
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他姓手中拿着
发表于 2025-3-29 10:06:33
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预兆好
发表于 2025-3-29 14:32:59
Application III: Design Space Exploration,Generally these prices are quoted in “units”, with 1 unit (1 u) being 1% of the metal in the concentrate (see Sect. 1.1.4). From this the net smelter return of the mine (abbreviated NSR) can easily be derived.
毁坏
发表于 2025-3-29 19:05:49
Precise calculations would even be misleading, since the evaluation does not yet aim at accurate economic assessment but at making the right decision: should the investigation be abandoned or should it be cont978-3-642-09268-8978-3-540-73559-5
TEM
发表于 2025-3-29 21:57:08
Textbook 2008Latest editionavailable at this early stage, the c- culations can only yield order of magnitude results. Precise calculations would even be misleading, since the evaluation does not yet aim at accurate economic assessment but at making the right decision: should the investigation be abandoned or should it be cont
做事过头
发表于 2025-3-30 02:53:52
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intolerance
发表于 2025-3-30 04:26:50
Conversions,ountries, such as Canada or Australia, have adopted the metric system, time and again the exploration geologist will come across non-metric units in old texts. This chapter deals mainly with the conversion of common measures of the “imperial” system used in the past or still in use in the Anglo-Amer