Results 11 to 20 of about 1,539,435 (245)

Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven Carbon Fiber/Epoxy Laminates [PDF]

open access: yes, 2010
The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbon and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol.%) were tested with impact energies in the range
A. Enfedaque   +6 more
core   +2 more sources

Modification of coking properties due to oxidation. Effect of relative humidity

open access: yesJournal of Materials Research and Technology, 2019
This work is a systematic laboratory study of coal oxidation under well-controlled temperature and humidity conditions that attempts to simulate those found in the transport and storage of coking coals.
M.F. Vega, E. Díaz-Faes, C. Barriocanal
doaj   +1 more source

Opacity calculation for target physics using the ABAKO/RAPCAL code [PDF]

open access: yes, 2010
Radiative properties of hot dense plasmas remain a subject of current interest since they play an important role in inertial confinement fusion (ICF) research, as well as in studies on stellar physics.
Chenais-Popovics   +45 more
core   +3 more sources

Optimization of a Bubbling Fluidized Bed Plant for Low-Temperature Gasification of Biomass

open access: yesEnergies, 2017
Investigation into clean energies has been focused on finding an alternative to fossil fuels in order to reduce global warming while at the same time satisfying the world’s energy needs.
María Pilar González-Vázquez   +3 more
doaj   +1 more source

Toma de decisiones mediante metodología multicriterio (carbón nacional y seguridad energética) [PDF]

open access: yes, 2017
Este artículo investiga la viabilidad de alternativas a largo plazo del carbón español a través de un proceso MCDM (Toma de decisiones multicriterio). La principal contribución de esta investigación es doble.
Cansado Bravo, Pablo   +1 more
core   +2 more sources

Natural Resources, electrification and economic growth from the end of the nineteenth century until World War II [PDF]

open access: yes, 2005
Las repercusiones de la nueva fuente de energía, electricidad, en el crecimiento económico de una muestra de países –Estados Unidos, Reino Unido, Francia, Italia, España y Canadá– caracterizados por sus diferentes dotaciones de recursos carboníferos es ...
Betrán Pérez, María Concepción
core   +9 more sources

A New Approach for Retaining Mercury in Energy Generation Processes: Regenerable Carbonaceous Sorbents

open access: yesEnergies, 2017
The energy production processes from fossil fuels represent the first anthropogenic source of mercury emissions in Europe and the second in the world. Among the different possibilities that can be posed to reduce these emissions, this work focuses on the
Nuria Fernández-Miranda   +4 more
doaj   +1 more source

Ecological Art Experience: How We Can Gain Experimental Control While Preserving Ecologically Valid Settings and Contexts

open access: yesFrontiers in Psychology, 2020
One point that definitions of art experience disagree about is whether this kind of experience is qualitatively different from experiences relating to ordinary objects and everyday contexts.
Claus-Christian Carbon   +2 more
doaj   +1 more source

Molienda asistida con microondas de un coque metalúrgico

open access: yesRevista de Metalurgia, 2014
Los coques metalúrgicos están compuestos mayoritariamente de carbono grafítico (s2p2) y diferentes compuestos inorgánicos con distintas capacidades de absorber la radiación de microondas.
Esteban Ruisánchez   +4 more
doaj   +1 more source

Structural Changes in Polyethylene Terephthalate (PET) Waste Materials Caused by Pyrolysis and CO Activation

open access: yesAdsorption Science & Technology, 2006
For ecological reasons, there is an increasing demand for recycling polyethylene terephthalate (PET) wastes in developed countries. Although one potential application might be its utilisation for the production of activated carbons, the behaviour of ...
José B. Parra   +5 more
doaj   +1 more source

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