Results 31 to 40 of about 24,082 (153)

Evaluation and Ranking of Iran’s Provinces in Terms of Mining Development Using Multicriteria Decision‐Making (MCDM) Techniques

open access: yesComplexity, Volume 2026, Issue 1, 2026.
Mining development is of prime importance for economic growth, industrialization, and resilience, particularly for countries rich in minerals, such as Iran. Using an excellent multicriteria decision‐making (MCDM) method, this study attempted to determine provinces with respect to mining development by assessing other regions or provinces by placing ...
Hossein Komasi   +5 more
wiley   +1 more source

Arquitectura de asentamientos de la costa de Tarapacá, norte de Chile

open access: yesEstudios Atacameños, 2011
Se presenta el estudio sobre patrones de asentamiento y arquitectura doméstica para la costa desértica de Tarapacá (norte de Chile). Se analizan los registros constructivos de ocho sitios ubicados entre Pisagua y la desembocadura del río Loa (ca. 19° 55'
Simón Andrés Urbina Araya   +4 more
doaj   +2 more sources

Fog_Hive© : 3D fog collection along the coastal Atacama desert [PDF]

open access: yes, 2012
The provision of drinking water turns out to be one of the great challenges for the future because central water supply systems cannot technically or logistically be implemented. FogHive©'s main aim is stopping desertification by repairing endangered fog
Suau, Cristian
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Integrated Magnetic and Energy Storage Properties of Nickel Cobaltite/Graphene/Iron Oxide Hybrid Nanomaterials

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Hybrid nanostructures combining metal oxides with carbon‐based materials offer significant promise for multifunctional applications such as energy storage and magnetism. In this study, a magnetic ternary nanocomposite consisting of NiCo2O4/Fe3O4/rGO was synthesized via a modified chemical oxidation method for supercapacitor applications.
T. Kavinkumar   +13 more
wiley   +1 more source

New records and range extension of some mosses in tropical areas of Chile [PDF]

open access: yes, 2003
A total of thirteen mosses are reported as new for Chile: Aloinella andina Delgad., Coscinodontella bryanii R.S. Williams, Didymodon acutus (Brid.) K. Saito, Erythrophyllopsis fuscula (Müll. Hal.) Hilp., Fissidens excurrentinervis R.S.
Cano, María J.
core  

Timing of the magmatism of the paleo-Pacific border of Gondwana: U-Pb geochronology of Late Paleozoic to Early Mesozoic igneous rocks of the north Chilean Andes between 20° and 31°S [PDF]

open access: yes, 2014
Indexación: Web of Science; ScieloABSTRACT. U-Pb zircon geochronological data provide record of about 130 Ma of igneous activity in the Andes of northern Chile, which extended episodically from the latest Early Carboniferous to Early Jurassic (328-194 Ma)
Maksaev, Víctor   +2 more
core   +1 more source

Effect of Green Hydrogen Enrichment and Carbon Nanotubes Introduced Biodiesel–Diesel Blend on the Behavior of the Diesel Engine Modified to Operate on a Dual‐Fuel Mode

open access: yesEnergy Science &Engineering, Volume 13, Issue 11, Page 5587-5604, November 2025.
ABSTRACT The influence of n‐heptane mixed with jatropha oil methyl ester (JOME)–diesel with different metal oxide additions, such as aluminum oxide (Al2O3), titanium dioxide (TiO2), and carbon‐based nanoparticles (NPs) including multiwalled carbon nanotubes (MWCNTs) at a quantity of 60 mg/L, and enrichment of hydrogen (H2) at a quantity of 6 lpm are ...
Shabana Shabana   +9 more
wiley   +1 more source

Rasgo o Estado: Efectos de la Temporalidad de la Ansiedad sobre Medidas de Bienestar

open access: yesPsykhe, 2022
La presente investigación correspondió a un estudio no experimental, de tipo analítico transversal, en la que se analizaron los efectos de las variables ansiedad rasgo-estado sobre afectividad positiva y satisfacción con la vida. Por medio de una muestra
Daniela Ramírez-Carrasco   +4 more
doaj   +1 more source

Ultra‐Processed Foods and Markers of Systemic Inflammation in Children

open access: yesFood Science &Nutrition, Volume 13, Issue 9, September 2025.
Illustration showing the association between ultra‐processed foods intake and systemic inflammation, measured with cytokines levels in children. ABSTRACT Diets high in ultra‐processed foods (UPF) have been associated with negative health outcomes in adults; however, UPF's impact on children's health and their underlying mechanisms remain underexplored,
Camila Awad   +8 more
wiley   +1 more source

Citizenship claim, nation-building, and mining rentierism: : the regionalist approaches of the inhabitants of the peruvian province of tarapaca (1827-1874) [PDF]

open access: yes, 2017
Este artículo aborda, en el contexto de la conformación republicana del Perú durante el siglo XIX, la compleja relación entre el aparato estatal y la sociedad local tarapaqueña a partir de los afanes rentistas de los gobiernos de la época y la emergencia,
Castro Castro, Luis
core  

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