Asturias (/ æ ˈ s t ʊər i ə s, ə-/; [5 ] [6 ] Spanish: [asˈtuɾjas]; Asturian: Asturies [asˈtuɾjes; -ɾjɪs]) officially the Principality of Asturias, [7 ] is an autonomous community in northwest Spain.
Spain, [g ] officially the Kingdom of Spain, [h ] is a country in Southern and Western Europe with territories in North Africa. [i ] Featuring the southernmost point of continental Europe, it is the largest country in Southern Europe and…
El Escorial, or the Royal Site of San Lorenzo de El Escorial (Spanish: Monasterio y Sitio de El Escorial en Madrid), or Monasterio de El Escorial ( Spanish pronunciation: [el eskoˈɾjal]), is a historical residence of the king of Spain…
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Spain has borders with France, Portugal, Andorra and Gibraltar. Ceuta and Melilla border with Morocco in North Africa. In Spain's northeast side are the Pyrenees mountains.
Hi organizzata taħt forma ta' monarkija parlamentari. Qiegħda fl-Ewropa tal-Lbiċ, u flimkien mal-Portugall, ma' Andorra u mal-Ġibiltà, tifforma il-Peniżola Iberika.
Three types of forest stands (chestnut coppice, maritime pine stands, and poplar and willow short-rotation woody crops (SRWC)) were evaluated to determine their potential for energy production.
What are the primary energy characteristics of different tree species evaluated?The study shows that maritime pine has a mean higher heating value (HHV) of 19,366 J/g, while chestnut coppice exhibits 17,993 J/g. SRWC crops display HHVs ranging between 18,185-18,419 J/g.How does biomass quality vary between chestnut and maritime pine?Research indicates higher nitrogen and sulfur concentrations in crown biomass, which were notably higher in pine at 0.610-0.802%. The contrasts in chemical composition suggest significant implications for emissions during combustion.What role do short-rotation woody crops (SRWCs) play in energy production?SRWCs, currently covering 40 ha in Asturias, show promising energy potential with biomass yields anticipated within 3-10 years. These fast-growing species may utilize abandoned mining lands effectively for biomass energy.