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Background: The aim of this study was to analyse the number of root canals in maxillary first premolars, first molars and mandibular first molar teeth from an 18th to 19th century Radom (Poland) population, and then assess whether the diversity of root canals has fluctuated for about two hundred years. Materials and methods: A total of 139 human permanent teeth were analysed by cone beam computed...
Celem opracowania jest próba oceny efektywności ekonomicznej inwestycji w biogazownie rolnicze. Dokonano prezentacji inwestycji wraz z opracowaniem modelu oceny efektywności ekonomicznej dla inwestycji w biogazownię. Inwestycje są koniecznym warunkiem reprodukcji zasobów i aby były one narzędziem rozwoju przedsiębiorstw powinny zwiększać jego wartość. Analiza efektywności ekonomicznej inwestycji ma...
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