Results 11 to 20 of about 1,411,609 (200)

Estudio y clasificación de la materia orgánica dispersa (MOD) en el Lías de la Playa de Peñarrubia (Asturias)

open access: yesEstudios Geologicos, 1990
En el presente trabajo se estudia por técnicas petrográficas y mediante ensayos de pirólisis o técnicas geoquímicas la serie marina del borde Oeste de la Playa de Peñarrubia (Asturias) para conocer la naturaleza de su parte orgánica.
I. Suárez Ruiz, J. J. González Prado
doaj   +1 more source

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

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

Influence of the electrophoretic deposition parameters on the formation of suspended graphene-based films

open access: yesMaterials & Design, 2018
In this paper we report on the one step formation of suspended graphene-based films, at micrometer scale, by electrophoretic deposition technology (EPD) starting from graphene oxide (GO) water suspensions and isolated graphite fibers as conductive ...
Zoraida González   +4 more
doaj   +1 more source

Separation of CO2 in a Solid Waste Management Incineration Facility Using Activated Carbon Derived from Pine Sawdust

open access: yesEnergies, 2017
The selective separation of CO2 from gas mixtures representative of flue gas generated in waste incineration systems is studied on two activated carbons obtained from pine sawdust and compared to a commercial activated carbon.
Inés Durán   +2 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

Wearing Face Masks Strongly Confuses Counterparts in Reading Emotions

open access: yesFrontiers in Psychology, 2020
Wearing face masks is one of the essential means to prevent the transmission of certain respiratory diseases such as coronavirus disease 2019 (COVID-19).
Claus-Christian Carbon   +1 more
doaj   +1 more source

Carbon Xerogel and Manganese Oxide Capacitive Materials for Advanced Supercapacitors

open access: yesInternational Journal of Electrochemical Science, 2011
Symmetric supercapacitors (SSC) and asymmetric supercapacitors (ASC) that use carbon xerogels with different porous textures as negative electrode and manganese oxide as positive electrode were investigated.
F. Lufrano   +5 more
doaj   +1 more source

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