温室 发表于 2025-3-23 11:34:22
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Zusammenfassung und Ausblick,Für eine wirtschaftliche spanende Bearbeitung mit neuen Schneidstoffen ist die Kenntnis ihrer Einsatzgebiete sowie der vorteilhaften Schnittbedingungen von erheblicher Bedeutung. Über das Verschleißverhalten beim Spanen mit diesen Schneidstoffen liegen bisher nur vereinzelte und meist unvollständige Untersuchungsergebnisse vor.KIN 发表于 2025-3-23 21:13:32
in their optimal capacity and in balance. Such requirements could be partially met by using biochar as a soil amendment. More specifically, biochar is a solid material, high (>50%) in organic carbon (C) content, and is produced by heating biomass, such as wood scraps, crop residues, or animal wastes性行为放纵者 发表于 2025-3-24 00:28:48
Wilfried König,Hans Ulrich Schemmel nutritional security.Incorporation of chapters covering the.Meeting the food requirements of an ever-increasing population is a pressing challenge for every country around the globe. Soil degradation has a negative impact on food security by reducing the cultivated land areas, while at the same tim强壮 发表于 2025-3-24 05:52:05
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Wilfried König,Hans Ulrich Schemmelties that existed before cultivation are inextricably linked to what our lands are capable of today (potentials, productivity, sustainability, and resistance and resilence to disturbances). Many US government land management agencies are now using the concept of ecological site or similar models ofACTIN 发表于 2025-3-24 14:09:12
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mbiosis: commensalism (an interaction which is beneficial for one symbiotic partner but neutral for the other), antagonism (or parasitism, where one symbiont develops to the detriment of another – see elsewhere in this Book) and mutualism (where both symbionts benefit from mutual coexistence). Mutua凝结剂 发表于 2025-3-25 02:09:18
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