Results 31 to 40 of about 4,681,024 (311)

Structural analysis of magnetic nanocomposites based on chitosan [PDF]

open access: yes, 2018
This work investigates the structure and magnetic properties of chitosan based films with different contents of magnetic nanoparticles (MNPs) of around 10 nm as well as the effects of the addition of glycerol as plasticizer.
Kloster, Gianina Andrea   +5 more
core   +2 more sources

Mounting a specific immune response increases energy expenditure of the subterranean rodent Ctenomys talarum (tuco-tuco): Implications for intraspecific and interspecific variation in immunological traits [PDF]

open access: yes, 2010
It was recently hypothesised that specific induced defences, which require substantial time and resources and are mostly beneficial against repeated infections, are more likely to be favoured in 'slow-living-pace' species.
Antenucci, Carlos Daniel   +3 more
core   +1 more source

Microbial community changes induced by Managed Aquifer Recharge activities: linking hydrogeological and biological processes [PDF]

open access: yes, 2019
Managed Aquifer Recharge (MAR) is a technique used worldwide to increase the availability of water resources. We study how MAR modifies microbial ecosystems and its implications for enhancing biodegradation processes to eventually improve groundwater ...
Barba Ferrer, Maria del Carme   +6 more
core   +2 more sources

Analysis of drawbacks and constraints of classification algorithms for three-phase voltage dips [PDF]

open access: yes, 2018
Voltage events are one of the most common and harmful disturbances of power electric systems. Voltage dips, swells and interruptions are included under this heading.
Carrica, Daniel Oscar   +5 more
core   +1 more source

O mar como ciência: instituições e estratégias da investigação sobre o mar em Portugal no século XX (da Primeira República à democracia)

open access: yesHistória, Ciências, Saúde: Manguinhos, 2014
A perspectiva histórica revelou o interesse português pelo mar numa série de iniciativas e entidades ao longo do século XX. Desde o início do século à Revolução de 1974, estuda-se a génese de organismos vocacionados para a investigação científica do mar,
Maria Fernanda Rollo   +2 more
doaj   +1 more source

Superconducting transport through a vibrating molecule [PDF]

open access: yes, 2006
Nonequilibrium electronic transport through a molecular level weakly coupled to a single coherent phonon/vibration mode has been studied for superconducting leads.
A. Kamenev   +5 more
core   +2 more sources

Antibiotic resistance profile of Escherichia coli strains isolated in an infectious diseases clinic [PDF]

open access: yesRomanian Journal of Infectious Diseases, 2020
Objective. To establish the resistance profile of Escherichia coli (EC) strains isolated in the Infectious Diseases Clinic from Craiova. Material and methods.
Lucian Giubelan   +4 more
doaj   +1 more source

Processing of microCT implant-bone systems images using Fuzzy Mathematical Morphology [PDF]

open access: yes, 2016
The relationship between a metallic implant and the existing bone in a surgical permanent prosthesis is of great importance since the fixation and osseointegration of the system leads to the failure or success of the ...
Ballarre, Josefina   +4 more
core   +1 more source

Depth sensing indentation of organic-inorganic hybrid coatings deposited onto a polymeric substrate [PDF]

open access: yes, 2012
PEO-Si/SiO2 hybrid coatings deposited onto a PVC substrate were micromechanically characterized using depth sensing indentation. The effect of curing time and coating thickness was investigated.
Fasce, Laura Alejandra   +2 more
core   +1 more source

Unamuno y la experiencia del mar. Un recorrido poético

open access: yesRevista de Literatura, 2023
Miguel de Unamuno tuvo durante muchos años una visión del paisaje impregnada de mediaciones históricas y literarias. Así puede verse en sus escritos teóricos sobre el tema y también en sus primeros libros de poesía.
Rosa Fernández Urtasun
doaj   +1 more source

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