Individual
发表于 2025-3-26 21:10:48
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负担
发表于 2025-3-27 04:12:31
Water stress is what happens when there is not enough water to meet the needs of people who depend on it. It can happen to a watershed or any local water source. It can happen when the water source is overused, no longer accessible, or polluted beyond the ability of users of the water to meet their needs.
Heart-Rate
发表于 2025-3-27 07:08:18
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轨道
发表于 2025-3-27 09:54:59
Heavy minerals in the study of sediments: their application and limitationsHeavy mineral fractions in sediments are often composed of diverse mineral species, in which each grain conveys its own history. It is the sedimentary petrologist’s task to decipher the message encoded in the assemblages and apply them for the purpose of:
otic-capsule
发表于 2025-3-27 14:51:39
Presentation and numerical analysis of heavy mineral dataAfter analysis, data are tabulated and the quantities of the individual heavy minerals are expressed in relative or weight percentages. This gives the first insight into the heavy mineral spectrum and provides a basis for deciding on further data treatment.
锯齿状
发表于 2025-3-27 21:09:48
Application of heavy mineralsThe following examples demonstrate the versatility and wide application of heavy mineral techniques.
周兴旺
发表于 2025-3-28 01:58:45
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下垂
发表于 2025-3-28 03:17:34
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反对
发表于 2025-3-28 06:29:00
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organism
发表于 2025-3-28 13:34:36
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