نتایج جستجو برای: dolomitic composition
تعداد نتایج: 260041 فیلتر نتایج به سال:
Abstract The abundance of dolomitic strata in the geological record contrasts with general rarity locations where dolomite forms today, a discrepancy that has long posed problem for their interpretation. Recent culture experiments show can precipitate at room temperature, raising possibility many ancient dolomites may be syngenetic origin. We compiled large geodata set secular variations Phaner...
The present study is concerned with the assessment of the relative resistance of a monumental dolomitic limestone (Laspra – Spain) used as building material in stone monuments and submitted to artificial ageing by SO2 dry deposition in the presence of humidity. To investigate the protection efficiency of different polymeric coatings, three commercially available siloxane-based oligomers (Lotexa...
The yield responses of sugarcane to lime and gypsum at two sites in the KwaZulu-Natal Midlands of South Africa are presented and discussed. At Dalton, on a Magwa form soil with an initial aluminium saturation index (ASI) of >80%, over a plant and four ratoon crops variety N12 gave no significant response to dolomitic lime. By contrast, variety N16 gave consistent yield responses to lime at rate...
Extensive livestock production in Mediterranean climate conditions and acidic soils requires animal feed supplementation. This occurs during the summer and, frequently, also autumn winter, depending on prevailing rainfall patterns. The purpose of this study was to evaluate effect dolomitic limestone application tree canopy availability, quality, floristic composition a permanent pasture, grazed...
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