Results 51 to 60 of about 239,385 (224)

Defect‐Induced Magnetism in Cerium‐Doped Barium Zirconate Perovskites: A Systematic Electron Paramagnetic Resonance Study of Oxygen Vacancies and Dopant Effects

open access: yesNatural Sciences, Volume 6, Issue 2, April 2026.
Systematic investigation of the magnetic and structural properties of cerium‐doped barium zirconate (BaZr1−xCexO3, x = 0.005–0.04) perovskites synthesized by a microwave‐assisted hydrothermal route. This study uses Differential Scanning Calorimetry and Electron Paramagnetic Resonance as a function of temperature and sample composition.
Daniele G. Mesquita   +6 more
wiley   +1 more source

Establishing a fast food industry in Venezuela [PDF]

open access: yes, 2000
Includes bibliographical ...
Castillo, Maria Gabriela
core  

Liubliana: una novela de ciudades y traslados como soportes narrativos

open access: yesLa Colmena, 2017
Se analizó la novela Liubliana, del escritor venezolano Eduardo Sánchez Rugeles, desde una perspectiva espacial y urbana. Se observó la manera en que las ciudades y los traslados se convierten en los soportes narrativos de la obra.
Guadalupe I. Carrillo-Torea
doaj  

Decompressive Craniectomy in Extensive Ischemic Stroke. An Experience in a Single Institution

open access: yesBrazilian Neurosurgery
Introduction Decompressive craniectomy (DC) is a valuable treatment for reducing early lethality in malignant intracranial hypertension (IH); however, it has been shown that the decision to implement DC in patients with extensive ischemic ...
Diego Alejandro Echenique-Fajardo   +3 more
doaj   +1 more source

Upper Gastrointestinal Bleeding in Caracas Hemorragia Digestiva Superior en Caracas [PDF]

open access: yesGastroenterology & Hepatology: Open Access, 2015
Materials and Methods: The aim of this research is to describe endoscopic findings in patients with acute Upper Gastrointestinal bleeding. The sample consisted of 131 patients with signs or symptoms of Upper Gastrointestinal Bleeding during the first half of 2012. Non-experimental, descriptive and prospective research.
openaire   +1 more source

Phylogeny of subtribe Gonolobinae (Apocynaceae‐Asclepiadoideae) based on molecular and morphological data with a revised generic classification

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The presently most densely sampled molecular phylogeny of the widespread New World subtribe Gonolobinae is presented, including about 35% of the ca. 520 species. Sampling focused on an even representation of the three main areas of total Gonolobinae distribution, South America, Central/North America, and the West Indian Islands, and the ...
Sigrid Liede‐Schumann   +4 more
wiley   +1 more source

High temperature elastic anisotropy of the perovskite and post-perovskite polymorphs of Al2O3 [PDF]

open access: yes, 2005
Finite temperature ab initio molecular dynamics calculations were performed to determine the high temperature elastic and seismic properties of the perovskite and post-perovskite phases of pure end-member Al2O3.
Brodholt, JP, Price, GD, Stackhouse, S
core   +1 more source

Pancake Syndrome (Oral Mite Anaphylaxis)

open access: yesWorld Allergy Organization Journal, 2009
Oral mite anaphylaxis is a new syndrome characterized by severe allergic manifestations occurring in atopic patients shortly after the intake of foods made with mite-contaminated wheat flour.
Mario Sánchez-Borges, MD   +5 more
doaj   +1 more source

The eroticism of artificial flesh in Villiers de L'Isle Adam's L'Eve Future [PDF]

open access: yes, 2008
Villiers de L'Isle Adam's 'L'Eve Future' published in 1886 features a fictional version of the inventor Thomas Edison who constructs a complex, custom-made android for Englishman Lord Ewald as a substitute for his unsatisfactory lover.
Pulham, Patricia
core   +1 more source

The ‘vulnerability paradox’: how institutional legacies shaped Colombia's response to Venezuelan displacement

open access: yesDisasters, Volume 50, Issue 2, April 2026.
Abstract Colombia's response to Venezuelan displacement—driven by economic collapse, political instability, and humanitarian need—through the Temporary Protection Status programme has been praised internationally for its inclusive approach and positive effects on both migrants and host countries.
Nieves Fernández‐Rodríguez
wiley   +1 more source

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