Results 41 to 50 of about 19,462 (204)
Acta Botanica Mexicana, 2022 Antecedentes y Objetivos: La capacidad para llevar a cabo una restauración ecológica en forma práctica requiere que sea considerada tanto la probabilidad de éxito en términos ecológicos como los costos económicos.
Daniel R. Pérez +2 more
doaj +1 more source
Advanced Science, Volume 13, Issue 13, 3 March 2026.The electric‐field‐driven antiferroelectric‐to‐ferroelectric phase transition in epitaxial PbZrO3 films is directly visualized by in situ aberration‐corrected scanning transmission electron microscopy. A sequential transition pathway involving an orthorhombic ferrielectric phase and a monoclinic ferroelectric phase, ultimately stabilizing into a ...
Yan‐Peng Feng +6 more
wiley +1 more source
Argentina: la expropiación de Repsol-YPF
Estudios Internacionales, 2016 En 2012, el gobierno argentino expropió el 51% de las acciones de Yacimientos Petrolíferos Fiscales (YPF), de propiedad de la empresa española Repsol. La medida, según el gobierno de la entonces presidenta Cristina Fernández, buscaba retomar el control estatal de la petrolera para asegurar el autoabastecimiento energético del país.
openaire +2 more sources
Are There Arbitrage Opportunities in Credit Derivatives Markets? A New Test and an Application to the Case of CDS and ASPs [PDF]
, 2009 This paper analyzes possible arbitrage opportunities in credit derivatives markets using selffinancing strategies combining Credit Default Swaps and Asset Swaps Packages.
Mayordomo, Sergio +2 more
core +1 more source
Nuclear isotope thermometry [PDF]
, 2000 We discuss different aspects which could influence temperatures deduced from experimental isotopic yields in the multifragmentation process. It is shown that fluctuations due to the finite size of the system and distortions due to the decay of hot ...
Donangelo, R. +5 more
core +2 more sources
Seismic Waves Do Sense Fracture Connectivity: Experimental Validation
Geophysical Research Letters, Volume 53, Issue 4, 28 February 2026.Abstract Fracture connectivity is a key parameter controlling fluid flow throughout the Earth's crust. While some theoretical and numerical studies suggest that seismic waves are sensitive to fracture connectivity, an experimental validation of this critically important phenomenon was so far unavailable.
Yanbin He +9 more
wiley +1 more source
Molecules, 2017 Yupingfeng (YPF), a famous traditional Chinese medicine, which contains a large array of compounds, has been effectually used in health protection. A two-dimensional liquid chromatography (2D-LC) combined with quadrupole time-of-flight mass spectrometry (
Meng-Qi Jia +4 more
doaj +1 more source
Advanced Science, Volume 13, Issue 12, 27 February 2026.Nap1l4a is required in erythropoiesis and hypoxia responses via physical interaction with Klf1 and Scl to recruit the histone variant H2A.Z. This facilitates its associated cis‐regulatory element (CRE) remodeling and the consequent chromatin assembly, and activates the transcription of erythroid lineage‐specific genes.
JiaHao Shi +10 more
wiley +1 more source
Bulletin of Latin American Research, Volume 45, Issue 1, January 2026.This study contributes to the ongoing historical examination of ecological and postcolonial questions in Latin America through the lens of new media genre narratives. Early 20th‐century documentary films of Argentine Patagonia institutionalised a natural binary opposition, positioning those challenging colonial power relations based on natural ...
Cielo Zaidenwerg, Mauricio Dimant
wiley +1 more source
Transformaciones Recientes en la Industria Petrolera Argentina: El Caso de Yacimientos Petrolíferos Fiscales, 1989-2012 [PDF]
, 2013 El objetivo central del artículo es analizar el derrotero de la empresa estatal petrolera Yacimientos Petrolíferos Fiscales (YPF), desde la privatización hasta su renacionalización (1989-2012).
Serrani, Esteban Carlos
core