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W artykule scharakteryzowano górnojurajskie wapienie ze złóż w rejonie Działoszyna, udokumentowane dla potrzeb przemysłu cementowego, wapienniczego i do produkcji kamienia budowlanego. Przedstawiono najważniejsze parametry chemiczne oraz fizyczne i mechaniczne wapieni z eksploatowanych złóż oraz dane na temat wielkości wydobycia i dostępnych zasobów. Wśród kompleksów skalnych oksfordu, charakteryzujących...
The Act on Fertilizers and Fertilization and the Regulations to the Act allow for the marketing of new fertilizers, developed on the basis of natural minerals, mineral raw materials as well as mineral and organic waste, which meet specific requirements in terms of chemical impurities (e.g. heavy metals – Cr, Cd, Ni, Pb, Hg, As) and biological contaminants (live eggs of intestinal parasites: Ascaris...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.