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Mostrando ítems 14201-14210 de 40410
The concept of hybridization and its contribution to urban ethnobiology
(Ethnobioconservation.com, 2014-06)
Both ethnozoological and ethnobotanical studies carried out in cities mention the complexity of these cases and the need for shortcuts to aid understanding of the different social, cultural, economic and ecological processes ...
Absolute configuration assignment of an unusual homoisoflavanone from Polygonum ferrugineum using a combination of chiroptical methods
(Elsevier, 2015-10)
The absolute configuration of the homoisoflavanone 5,7-dihydroxy-6-methoxy-3-(9-hydroxy-phenylmethyl)-chroman-4-one (1), found in Polygonum species, has been determined as 3R,9R by using a combination of electronic and ...
Integrated Process for Purification of Low Grade Talc Ores
(Taylor & Francis, 2012-12-21)
This study examines the development of an integrated process for separation and purification of low grade talc ores. This procedure involves leaching with HCl to dissolve gangue minerals and to purify a low purity talc ore ...
Microbially-induced sedimentary structures (MISS) as record of storm action in supratidal modern estuarine setting
(Elsevier Science, 2013-01)
One of the aims of tidal sedimentology in recent years is to find signatures in the stratigraphic record that help in recognizing basic ancient tidal processes. The present study was carried out on the supratidal zone of ...
Flow visualization and field line advection in computational fluid dynamics: Application to magnetic fields and turbulent flows
(IOP Publishing, 2008-12)
Accurately interpreting three dimensional (3D) vector quantities output as solutions to high-resolution computational fluid dynamics (CFD) simulations can be an arduous, time-consuming task. Scientific visualization of ...
New SFRA measurement interpretation methodology for the diagnosis of power transformers
(Springer, 2013-11)
The analysis of the frequency response by the Sweep Frequency Response Analysis method (SFRA) is a diagnosis technique that can detect displacements, deformations and other mechanical and electrical failures in power and ...
La mente del trickster. Aproximación desde la semiótica agentiva a un personaje que desafía los límites establecidos
Human beings have developed a set of cognitive and social skills that allow them, using mental models of other living beings, anticipate and influence their behavior to fulfill certain goals. This work carries out a study ...
Medición del ángulo de desviación en un pentaprisma usando un interferómetro de sagnac
(Revista Mexicana de Física, 2009)
Editorial
(Computación y Sistemas, 2009)