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Titlebook: Untersuchung an Sinterlegierungen aus dem bin?ren System Eisen-Chrom und dem tern?ren System Eisen-C; Gerhard Zapf,Mahmoud E. M. Ahmed Boo

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21#
發(fā)表于 2025-3-25 04:03:01 | 只看該作者
22#
發(fā)表于 2025-3-25 08:13:27 | 只看該作者
https://doi.org/10.1007/978-3-322-88271-4Chrom; Eisen; Kupfer; Legierung; Maschine; Metall; Metallurgie; Sintern; Verfahren; Werkstoff
23#
發(fā)表于 2025-3-25 12:54:28 | 只看該作者
Gerhard Zapf,Mahmoud E. M. Ahmednformation on the vertical and spatial distributions of soils and their chemical properties in the region containing the dried bed of the Aral Sea in Kazakhstan. Consequently, an updated soil map (soil saliniza978-3-031-29869-1978-3-031-29867-7
24#
發(fā)表于 2025-3-25 17:20:49 | 只看該作者
25#
發(fā)表于 2025-3-25 23:24:48 | 只看該作者
Untersuchung an Sinterlegierungen aus dem bin?ren System Eisen-Chrom und dem tern?ren System Eisen-C978-3-322-88271-4
26#
發(fā)表于 2025-3-26 02:03:17 | 只看該作者
he nutrients from soil are taken up in ionic form by the plant and abundance of ionic forms determines the nutrient availability, which besides depending on total quantity of a nutrient is governed by a number of physical, chemical and biological processes and transformations in soil. Nutrient avail
27#
發(fā)表于 2025-3-26 06:40:40 | 只看該作者
28#
發(fā)表于 2025-3-26 08:29:42 | 只看該作者
29#
發(fā)表于 2025-3-26 15:25:46 | 只看該作者
Gerhard Zapf,Mahmoud E. M. Ahmedent and film soil coverage and degradation are presented in detail for tomato crops and for other crops where mulching is a common technique (pepper, melon and other cucurbits, strawberry, lettuce,…). Some information is provided for crops not so frequently mulched (broccoli, sweet potato, sweet cor
30#
發(fā)表于 2025-3-26 19:34:35 | 只看該作者
Gerhard Zapf,Mahmoud E. M. Ahmeding, crop rotation, subsoiling, and controlled trafficking are recommended for sustainable use of compacted soils. Desertification is a process of land degradation occurring mainly in the arid and semiarid regions due to human actions on ecosystems combined with adverse climatic conditions. The Unit
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