integral 发表于 2025-3-30 11:50:19

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鄙视 发表于 2025-3-30 15:57:43

https://doi.org/10.1007/978-3-031-40718-5monitored in time and the influence of the total time of composting on the heavy metal concentration in the final product was studied..Waste was composted in a “simulator” (total time of composting (Te) 19 days), on a compost pile with small dimensions and forced aeration (Te=41 days), on a compost

Metamorphosis 发表于 2025-3-30 20:32:05

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柔声地说 发表于 2025-3-30 21:22:15

https://doi.org/10.1007/978-94-007-0852-5stems as well as the rapid growth of the Danish National Agency of Environmental Protection have led to that position Denmark has obtained in Europe: Denmark must be regarded as one of the leading nations concerning environmental protection.

变异 发表于 2025-3-31 03:50:54

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肥料 发表于 2025-3-31 08:55:52

,Intravein – Parametric Urbanism,ertilizers. The acid contains many of the impurities found in the phosphate ore. Part of these impurities is incorporated in the byproduct CaS0..1/2 H.0 (HH) or CaS0..2H.0 (DH), which is mainly disposed.

木讷 发表于 2025-3-31 11:09:15

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Ceremony 发表于 2025-3-31 14:55:43

https://doi.org/10.1007/978-3-319-77223-3Energy demand is increasing at a far greater rate than the domestic production in Turkey. Since the deficit is being met by importation of oil, the State Planning Organization has already placed special emphasis on better and increased utilization of the country’s existing 7.5 billion tons of lignite reserves.

CIS 发表于 2025-3-31 19:49:46

Advanced In-Flight Measurement TechniquesAbout 85% of the world phosphate fertilizer production is based on the use of phosphoric acid, obtained via wet phosphoric acid (WPA) processes. In WPA processes phosphate rock is digested using sulphuric acid, yielding a slurry of phosphoric acid and a calcium sulphate precipitate.

极小量 发表于 2025-4-1 00:20:54

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查看完整版本: Titlebook: Environmental Technology; Proceedings of the S K. J. A. Waal (chairman),W. J. Brink (secretary) Conference proceedings 1987 Martinus Nijhof