Results 1 to 10 of about 56,872 (142)

The high-throughput atomization of polymer solutions for fiber synthesis in a single step aided with corona ionizers [PDF]

open access: yesScientific Reports, 2023
Polymer microfibers are ubiquitous structures across virtually all technological fields. Their applications include, for instance, filter media, tissue regeneration, wound healing and dressing, and reinforcement materials.
Luis B. Modesto-López   +1 more
doaj   +2 more sources

On reduced-order modeling of drug dispersion in the spinal canal [PDF]

open access: yesFluids and Barriers of the CNS
The optimization of intrathecal drug delivery procedures requires a deeper understanding of flow and transport in the spinal canal. Numerical modeling of drug dispersion is challenging due to the disparity in time scales: dispersion occurs over 1 hour ...
F. J. Parras-Martos   +4 more
doaj   +2 more sources

Massive production of fibroin nano-fibrous biomaterial by turbulent co-flow [PDF]

open access: yesScientific Reports, 2022
Among the different polymers (proteins, polysaccharides, etc.) that make up natural fibers, fibroin is a protein produced by silk spinning animals, which have developed an optimized system for the conversion of a highly concentrated solution of this ...
Alfonso M. Gañán-Calvo   +5 more
doaj   +2 more sources

Reducing environmental exposure to PPPs in super-high density olive orchards using UAV sprayers [PDF]

open access: yesFrontiers in Plant Science, 2023
The increasing demand for optimizing the use of agricultural resources will require the adoption of cutting-edge technologies and precision farming management.
Luis Sánchez-Fernández   +3 more
doaj   +2 more sources

Tackling unbalanced datasets for yellow and brown rust detection in wheat [PDF]

open access: yesFrontiers in Plant Science
This study evaluates the efficacy of hyperspectral data for detecting yellow and brown rust in wheat, employing machine learning models and the SMOTE (Synthetic Minority Oversampling Technique) augmentation technique to tackle unbalanced datasets ...
Carmen Cuenca-Romero   +4 more
doaj   +2 more sources

Comparative theoretical analysis between parallel and perpendicular geometries for 2D particle patterning in photovoltaic ferroelectric substrates [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2015
This paper describes the dielectrophoretic potential created by the evanescent electric field acting on a particle near a photovoltaic crystal surface depending on the crystal cut.
Arregui C.   +5 more
doaj   +1 more source

Análisis de las pérdidas de carga en rejas de una central hidroeléctrica

open access: yesRibagua, 2023
RESUMENEn base a un planteo teórico y al análisis de datos se constató que el coeficiente de pérdida de carga de la conducción de entrada de las turbinas de Salto Grande sería de entre 2.38 y 2.77, siendo disímil en cada vano debido a que los caudales ...
José Cataldo Ottieri   +2 more
doaj   +1 more source

Análisis del efecto de las incertidumbres sobre el sistema de regulación de velocidad de una central hidroeléctrica

open access: yesRibagua, 2023
RESUMENA partir de los resultados obtenidos de los ensayos en modelo de las turbinas de Salto Grande, se observó que, debido a la incertidumbre con que se miden las diferentes magnitudes significativas en la operación de la central hidroeléctrica, el ...
José Alberto Cataldo Ottieri   +2 more
doaj   +1 more source

Quantitative Assessment of Natural Ventilation in an Elementary School Classroom in the Context of COVID-19 and Its Impact in Airborne Transmission

open access: yesApplied Sciences, 2022
The importance of Indoor Air Quality (IAQ) has been highlighted by the COVID-19 pandemic, particularly due to the possibility of long-distance airborne transmission.
Andrés Vignolo   +3 more
doaj   +1 more source

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