Results 41 to 50 of about 189,232 (219)

Characterisation of Drought and Wet Events in the Paraíba do Sul River Basin—Brazil

International Journal of Climatology, EarlyView.
Trend analysis identified statistically significant reductions in precipitation (at the 5% significance level) at specific pluviometric stations in São Paulo and Rio de Janeiro, while other areas, mainly in Minas Gerais, experienced significant increases in annual and seasonal rainfall, particularly during summer and spring. These significant trends at
Gildo Rafael de Almeida Santana, Eliane Barbosa Santos, Maria Gertrudes Alvarez Justi da Silva, Vicente de Paulo Santos de Oliveira, Jader Lugon Junior   +4 more
wiley   +1 more source

Pronósticos operativos de energía eólica para la gestión de los sistemas eléctricos en la región. [PDF]

, 2018
En los últimos años se ha desarrollado una importante transformación en algunos sistemas eléctricos en la región, Brasil en términos absolutos destaca como el país que ha incorporado más potencia eólica en América del Sur.
Bandeira Santos, Alex Alisson, Gutiérrez Arce, Alejandro, de Almeida Lucas, Everton, Cataldo Ottieri, José Alberto, Romero de Moraes, Marcelo, Orteli, Sofía, Porrini, Claudio, Cazes, Gabriel, Moreira, Davidson   +8 more
core   +1 more source

DETERMINACIÓN DE LA LONGITUD DE DIFUSIÓN DE PORTADORES MINORITARIOS EN CELDAS SOLARES MEDIANTE ILUMINACIÓN POSTERIOR: CONSIDERACIONES TEÓRICAS Y RESULTADOS EXPERIMENTALES

Anales (Asociación Física Argentina), 2013
Recientemente, se propuso teóricamente la técnica simple para la determinación de la longitud de difusión de portadores minoritarios en la base de celdas solares de silicio cristalino.
J C Plá, C G Bolzi, J C Durán, M J L Tamasi   +3 more
doaj  

The regulatory frameworks surrounding CRISPR‐edited papaya and their impact on international commerce

Journal of the Science of Food and Agriculture, EarlyView.
Abstract The papaya tree (Carica papaya L.), native to the Americas, is cultivated in tropical regions and holds substantial economic importance, with an estimated export volume of 365 000 t in 2023. However, diseases caused by viruses, fungi, bacteria, and nematodes can lead to severe losses.
Luíza Favaratto, Mirielson L da Silva, David S Buss, Oeber F Quadros, Raul Tapia‐Tussell, José A Ventura, Antonio Alberto R Fernandes, Patricia M B Fernandes   +7 more
wiley   +1 more source

ESTUDIO DE MOVIMIENTOS COMPUESTOS DE UNA SUPERFICIE DIFUSORA POR TÉCNICAS DE SPECKLE

Anales (Asociación Física Argentina), 2013
Se presenta un método simple para determinar el movimiento compuesto de rototraslación de una transparencia rugosa. La técnica se basa en el análisis directo del doble registro fotográfico de dos figuras de speckles producidos por la superficie en ...
M Landau, E N Hogert, M A Rebollo, N G Gaggioli   +3 more
doaj  

Energía solar [PDF]

, 2017
Asignatura "Física del Medio Ambiente": Material de docencia sobre la energía solar ...
Ruiz Padillo, Diego Pablo
core  

Enforcing environmental law in the Amazon

People and Nature, EarlyView.
Abstract This article identifies the underlying obstacles to enforcement of laws against environmental crimes such as illegal logging, mining and ranching. With four departments (provinces) from Colombia as case studies, it assesses enforcement of the country's main environmental law, Law 2111, which is one of Latin America's strongest. The article has
Mark Ungar, Juan Corredor‐Garcia
wiley   +1 more source

CINÉTICA DE SINTERIZADO EN CERÁMICOS SUPERCONDUCTORES La2-xSrxCuO4-d E Y1Ba2-xSrxCu3O7-y

Anales (Asociación Física Argentina), 2013
La densificación de cerámicos superconductores: La2-xSrxCuO4-d (LSC), Y Ba2-xSrxCu3O7-y (YBC, YBSC) y laminados Ag/YBC ha sido estudiada en un dilatómetro a velocidad de calentamiento constante.
C. J.R. González-Oliver, J. E. Fiscina, E. A. Oliber, D. Russo, D. A. Espana, E. Rodriguez, D. Serafini, D. López   +7 more
doaj  

Synthesis and application of alginate@CuFe2O4 polymeric spheres in 17‐β‐estradiol adsorption processes in Amazonian rivers

Polymer International, EarlyView.
Magnetic alginate beads, functionalized with copper ferrite, effectively remove 17‐β‐estradiol from Amazonian water, exhibiting optimized 238.65 μg g−1 capacity, fast 40 min kinetics, easy recovery, and successful remediation. Abstract The presence of endocrine‐disrupting compounds, such as 17‐β‐estradiol, in aquatic ecosystems poses a significant ...
Dante S Silva, Adriano R. S Silva, Yasmin S Medeiros, José R Santos Neto, Jamily L dos Santos, Ananias L dos Santos, Roberta L. S Bernardino, Giulian César S Sá, Leandro A Pocrifka, Sidnei C dos Santos, Emilly C Silva   +10 more
wiley   +1 more source

Advancing Circular Strategies in Photovoltaics: Assessing Reuse Readiness Across Technical, Economic, and Environmental Dimensions in a Case Study

Progress in Photovoltaics: Research and Applications, EarlyView.
This study examines the reuse readiness of photovoltaic modules through the Swiss PV Circle project. Results confirm technical feasibility with cost savings from targeted preselection, whereas economic viability depends on module age, testing, and market conditions.
Roger Nyffenegger, Mija Frossard, Alexandre Voirol, Michael Gasser, Julien Winkelmann, Stefan Grösser, Nancy Bocken   +6 more
wiley   +1 more source