The object of this work was to verify the utility of a level IV fugacity model to simulate the environmental fate of the insecticide carbofuran when employed in the cultivation of irrigated rice. The model simulated the dynamic distribution of…

O objetivo do trabalho é avaliar e comparar indicadores ambientais associados aos recursos hídricos entre distintos sistemas de uso da terra, desde campo e oresta natural passando por sistemas agrosilvopastoril (uma modalidade de sistema agro orestal) e silvicultural até o…

RESUMO - Estudos de longa duração em bacias hidrográ cas experimentais e representativas de uma determinada condição são importantes para um melhor entendimento da dinâmica dos processos e da resposta hidrológica de bacias a eventos diversos, gerando conhecimentos e/ou tecnologias…

O estudo tem como propósito analisar as representações de agricultoras, esposas de assentados, em relação à organização espacial na conformação do Assentamento Mato Grande, em Corumbá, MS. O assentamento rural foi criado em 1988, e foram assentadas 50 famílias, sendo…

Melipona marginata is an endangered species of stingless bee from Brazil that produces honey with particular physicochemical features and a remarkable exotic flavor. To the best of our knowledge, this is the first report devoted to exploring the medicinal potential…

ABSTRACT: Despite of all modem communications tools, difficulties of dialogue still exist between technicians and local community members when dealing with natural resources. This is related to many factors, from the predominantly technical formation of the teachers and researches to…

In our society, the audit is regarded as a branch of financial management conducted to confirm the accuracy of financial reporting in a company, but also to help the company's management, financial and the financial control is regarded as a…

The spatial variation in the composition of the tree flora of some Atlantic forest areas distributed in the East Atlantic basins, Southeastern and Southern Brazil, extended to Paraguay and Argentina, was investigated under four main aspects: (1) to evaluate the…

Research on self-regulated learning (SRL) in hypermedia-learning environments is a growing area of interest. One major issue is the role of prior knowledge, which can influence how students interact with hypermedia-learning systems in terms of their use of SRL strategies.…

Using the underlying idea of the current-mode control, a new dynamical, sliding-mode control for the boost dc-dc converter is proposed. Such controller is easy to design, robust under load and input voltage variations, exhibits fast response, does not depend on…