Results 41 to 50 of about 516,395 (305)
Laue gamma-ray lenses for space astrophysics:status and prospects [PDF]
, 2010 We review feasibility studies, technological developments and astrophysical prospects for Laue lenses devoted to hard X-/gamma-ray astronomy observations.Comment: 26 pages, 24 figures. Published in a special issue (Volume 2010 (2010), Article ID 215375,
Frontera, Filippo, Von Ballmoos, Peter
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Precedente, 2015 Este artículo es una primera aproximación al desarrollo de los Derechos Humanos en la Argentina. En este estudio se privilegia el contexto histórico particular del país, con el fin de comprender la manera en que la turbulenta vida institucional de la ...
Juan Carlos Frontera
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Comunicación y Medios, 2022 Javier de Lucas, Javier Bauluz, Daniela Pastrana, Juan José Téllez y Nicolás Castellano. (2019). Fronteras. Madrid (España): Editorial Hispalibros SL. 156 páginas. ISBN: 9 8-84-17993-18-4
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Frontera Norte, 2020 Since the 1980s, Costa Rica has been promoting intensive pineapple cultivation mainly in the northern border area with Nicaragua. This article seeks to study the relationship that exists between agricultural extractivism as a development model, global ...
Tania Rodríguez Echavarría, D. Prunier
semanticscholar +1 more source
, 2023 Aportaciones al teatro de Calderón en Suiza, Alemania, Polonia, Italia, Inglaterra, Francia, América Latina y Estados Unidos en el último siglo. Un panorama muy rico y variado.
Rafael González Cañal +1 more
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BeppoSAX observations of the X-ray binary pulsar 4U1626-67 [PDF]
, 1997 We report on observations of the low-mass X-ray binary 4U1626-67 performed during the BeppoSAX Science Verification Phase. We present the broad-band 0.1-100 keV pulse averaged spectrum, that is well fit by a two-component function: a 0.27 +/- 0.02 keV ...
A. Santangelo +30 more
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UniverseMore than fifty years have elapsed from the first discovery of gamma-ray bursts (GRBs) with American Vela satellites, and more than twenty-five years from the discovery with the BeppoSAX satellite of the first X-ray afterglow of a GRB.
Filippo Frontera
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La frontera Colombo-Venezolana: una sola región en una encrucijada entre dos estados
Reflexión PolíticaEl trabajo aborda el problema de la percepción de las tensiones diplomáticas colombo-venezolanas de 2005-2008 por los actores comerciales de la frontera común y sus respuestas a ellas.
J. Aguilar, C. Manuel
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On the Importance of σ–Hole Interactions in Crystal Structures
Crystals, 2021 Elements from groups 14–18 and periods 3–6 commonly behave as Lewis acids, which are involved in directional noncovalent interactions (NCI) with electron-rich species (lone pair donors), π systems (aromatic rings, triple and double bonds) as well as ...
Antonio Frontera, Antonio Bauzá
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Desafios, 2019 En el artículo nos preguntamos cómo interpretar el régimen de frontera desde América del Sur. Para esto, reflexionamos sobre la posible relación entre migraciones internacionales, Estados y fronteras en el campo de los estudios migratorios, con el fin de
Angélica Paola Alvites Baiadera
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