用手捏 发表于 2025-3-26 23:18:36

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Optic-Disk 发表于 2025-3-27 02:31:59

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无底 发表于 2025-3-27 08:11:22

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恶名声 发表于 2025-3-27 09:47:12

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碎石头 发表于 2025-3-27 13:49:50

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jocular 发表于 2025-3-27 17:59:35

Natural Radioactivity and Hazard Level Assessment of Cements and Cement Raw Materialsions of .Ra, .Th, and .K in the raw materials were 38.14, 92.66, and 636.63 Bq kg., respectively, with higher activity concentrations in coal for .Ra and trass for .Th and .K. Mean activity concentrations of natural radionuclides (.Ra, .Th, and .K) in cement samples were found as 34.26, 58.2, and 51

诱拐 发表于 2025-3-28 01:03:30

Ecological Footprint Calculationrints according to the education and income levels were examined for the male and the female individuals. For all the age ranges, it can be said that the ecological footprints of individuals with high economic income are higher than those with low economic income. Also, the ecological footprint of t

讨厌 发表于 2025-3-28 05:27:58

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挫败 发表于 2025-3-28 08:22:54

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蛰伏 发表于 2025-3-28 14:19:08

Emine Elmaslar Özbaş,Selda Yiğit Hunce,Hüseyin Kurtuluş Özcan,Atakan Öngen
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查看完整版本: Titlebook: Recycling and Reuse Approaches for Better Sustainability; Nilgün Balkaya,Sinan Guneysu Book 2019 Springer International Publishing AG, par