RESUMO: Este texto tem como tematica central as vivencias dos agricultores familiares camponeses, em processo de transicao da agricultura convencional para a base agroecologica, no municipio Agudo/RS. Partindo dicotomia entre moderna e ecologica, presente pesquisa pretende compreender se dao agroecologica Agudo. Objetiva-se conhecer estrategias agroecologicas nas unidades producao familiar ques...

Aktuálnou témou ochrany životného prostredia sa zaoberajú viaceré vedné odbory, medzi nimi aj archeológia (environmental archeology). Banská a hutnícka činnosť človeka vždy negatívne vplývala na prírodu (haldy hlušiny trosky, kontaminácia vodných tokov, plynové splodiny z hút...), avšak príroda s týmito zásahmi vedela vyrovnať. Dôkazom toho je širší región Banskej Štiavnice, turisticky atraktív...

The existence of an optimal control policy and the techniques for nding it are grounded fundamentally in a superlative perspective. These techniques can be of limited value when the global behavior of the system is diicult to characterize , as it may be when the system is nonlinear, when the input is constrained, or when only partial information is available regarding system dynamics or the env...

Il presente contributo ha per oggetto l’agricoltura cosiddetta contadina. Partendo dall’esame della proposta di legge “per la tutela e valorizzazione dell’agricoltura contadina”, attualmente in discussione al Parlamento italiano, particolare definizione “azienda agricola contadina” “agricoltore contadino”, si mettono evidenza le istanze del movimento civile che sostiene il disegno contesto inte...

Mining plays a very important role in the history of man. From the very beginning man's development has been accompanied by the extraction, processing and utilization of mineral substances. In the past, mining often exerted influence on economic, social, legal and cultural structures within society. The technological aspect must be emphasized as well, for the technical achievements in mining an...

This study explores the interconnections between interval analysis, fuzzy interval analysis, and interval, fuzzy, and possibility optimization. The key ideas considered are: (1) Fuzzy and possibility optimization are important methods in applied optimization problems, (2) Fuzzy sets and possibility distributions are distinct which in the context of optimization lead to ‡exible optimization on o...