Results 21 to 30 of about 51,905 (262)
Polímeros, 2014 A produção de materiais que apresentem alto desempenho em suas aplicações exige avanços tecnológicos e científicos. Os elevados valores de resistência à tração e módulo de elasticidade, aliados à flexibilidade, baixa densidade e alta razão de aspecto ...
Kássio André Lacerda +5 more
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Technical and economic assessment of trash recovery in the sugarcane bioenergy production system
Scientia Agricola, 2013 Mechanized sugarcane (Saccharum spp.) harvest without burning has been increasingly adopted in Brazil, increasing trash availability on the field. This study aims at showing the importance of using an integrated framework tool to assess technical and ...
Terezinha de Fátima Cardoso +10 more
doaj +1 more source
Revista Águas Subterrâneas, 2018 This study is a comparison of methodologies to determine the concentration of radon (222Rn) found in natural water sources used by the population of the cities of Poços de Caldas and Águas da Prata in the Poços de Caldas Plateau, in southeastern Brazil ...
Flavio Henrique de Souza Moreira +4 more
doaj +1 more source
Boletim da Sociedade Portuguesa de Química, 1994 Este artigo é o primeiro de dois que, a respeito do conceito de energia, foram publicados no Boletim da Sociedade Portuguesa de Química. É de natureza histórica e mostra muitas das concepções históricas acerca dessa grandeza, hoje consideradas erróneas ou, mais impropriamente «alternativas». O objectivo foi mostrar a analogia que existe entre várias
openaire +3 more sources
Brasil em números, 2022 L'analisi che ci si accinge a intraprendere è finalizzata a delineare la cornice regolatoria pubblicistica e le coordinate generali nelle quali si inserisce la disciplina materiale dei settori dell'energia elettrica, del gas e degli idrocarburi. Quest'ultima ormai, tenuto conto della incessante produzione normativa di derivazione europea e nazionale ...
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Assessment of sugarcane trash for agronomic and energy purposes in Brazil
Scientia Agricola, 2013 Due to new possibilities for using sugarcane (Saccharum spp.) trash for electricity generation, and the production of 2nd generation ethanol and others chemicals, the interest for its recovery has increased. However, the question of how much trash can be
Henrique Coutinho Junqueira Franco +8 more
doaj +1 more source
User Behavior Clustering Based Method for EV Charging Forecast
IEEE Access, 2023 The increasing adoption of electric vehicles poses new problems for the electrical distribution network. For this reason, proper electric vehicle forecasting will be of fundamental importance for a predictive energy management system, which could greatly
Alfredo Nespoli +2 more
doaj +1 more source
IEEE Access, 2022 Bulky metallic structures are needed in the toroidal field (TF) superconducting magnets for fusion applications to withstand the large Lorentz forces acting on the winding. The pulsed coil operation during a plasma scenario and the fast current discharge,
Roberto Bonifetto +3 more
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Which artificial larval diet is better for Ceratitis capitata (Diptera: Tephritidae) rearing?
Journal of Basic and Applied Zoology, 2022 Background There is an increasing demand for biological agents for integrated pest management programs, requiring a constant supply of insects in terms of quantity and quality.
Bruno Aguiar Maset +5 more
doaj +1 more source
Determination of metals in medicinal plants highly consumed in Brazil
Brazilian Journal of Pharmaceutical Sciences, 2013 In this work, samples of the medicinal plants: Boldo (Peumus boldus), Castanha da Índia (Aesculus hippocastanum), Chá Verde (Camelia sinensis), Erva Cidreira (Melissa officinalis), Espinheira Santa (Maytenus ilicifolia), Guaraná (Paullinia cupana ...
Alexandre Soares Leal +4 more
doaj +1 more source