Results 21 to 30 of about 219,966 (234)
, 2020 Se comparó la composición química y la actividad antioxidante del aceite esencial de manzanilla (Matricaria chamomilla L.) obtenido mediante extracción con fluidos supercríticos (supercritical fluid extraction, SFE) y otras técnicas de extracción verdes (
Maria Melo Melo-Guerrero +2 more
semanticscholar +1 more source
Sangue e Honra: fluidos femininos entre os calons mineiros
Aceno, 2020 O artigo pretende discutir o lugar de dois fluidos corporais entre ciganos calons em Minas Gerais: o sangue menstrual, fluido que deve ser evitado, pois está ligado a noções de perigo, sujeira e contaminação; e a honra, nome dado a uma substância ...
Juliana Miranda Soares Campos
semanticscholar +1 more source
Influence of ceramic particles additions on the properties of Ca3Co4O9
SN Applied Sciences, 2022 Ca3Co4O9 + x wt% B4C, AlN, TiC, TiB2, or TiN (x = 0.0, 0.25, 0.50, and 0.75) samples were prepared by the conventional solid-state route. In all samples, only the Ca3Co4O9 phase was identified by powder XRD.
H. Amaveda +6 more
doaj +1 more source
Morphology and Nanostructure of Granular Materials Built from Nanoparticles
KONA Powder and Particle Journal, 2014 Nanopowders or nanoparticles can be used as building blocks for the preparationof new materials with a prescribed structure. Monte Carlo simulations have shownthat the morphological properties (bulk porosity and surface roughness) of agranular deposit ...
Jose L. Castillo +4 more
doaj +1 more source
NPSH Experimental Data for Two Centrifugal Pumps
Proceedings, 2018 Cavitation consists in a local mass and heat transfer phenomenon, which involves the formation and collapse of vapor cavities. For industrial applications, the interest is focused on Fluid Machinery, increasing the difficulties due to the complex ...
Miguel Santoyo de la Fuente +4 more
doaj +1 more source
Massive production of fibroin nano-fibrous biomaterial by turbulent co-flow
Scientific 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 +1 more source
, 2020 Un sensor basado en la permitividad eléctrica del fluido fue usado para análisis de las tomografías enlos diferentes patrones que se presentan en flujo multifase aceite y agua(Liquido-Liquido).
M. M. Hernández-Cely, C. Ruiz-Díaz
semanticscholar +1 more source
Comparative theoretical analysis between parallel and perpendicular geometries for 2D particle patterning in photovoltaic ferroelectric substrates [PDF]
Journal 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
Ribagua, 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
Wiping Systems: Influence of the Surface Tension in Water Film Rupture
Proceedings, 2018 Wiping system are widely employed in industrial processes to remove liquid residue from the final product. Therefore, the performance of the impingement of a gas jet upon a liquid surface or molten bath is relevant in many industrial and metallurgical ...
Celia Miguel +2 more
doaj +1 more source