Results 61 to 70 of about 19,043 (209)

Comportamiento, para el terremoto de Lorca de 11-05-2011, de edificios de vigas planas proyectados sin tener en cuenta la acción sísmica

open access: yesInformes de la Construccion, 2014
El terremoto de Lorca (11-05-2011) fue el movimiento sísmico más destructivo registrado en España, a pesar de su moderada magnitud. Este artículo describe la simulación numérica de la respuesta dinámica, al registro principal del terremoto de Lorca, de ...
D. Domínguez   +2 more
doaj   +1 more source

La Tierra ¿llegará el colapso? : El colapso inevitable

open access: yes, 2021
El politólogo Carlos Taibo y el científico Antonio Turiel protagonizaron, el 4 de abril, la tercera mesa de diálogo del Foro "Enciende la Tierra", moderada por la periodista tinerfeña Karen Estévez.
Turiel, Antonio
core  

Implementación del método split-step para la estabilidad en solitones de dos dimensiones de ondas de materia en rejillas ópticas 2D modulados por el tiempo

open access: yesProgramación Matemática y Software, 2015
Por medio del método split-step y simulaciones sistemáticas, estudiamos la dinámica de estabilidad en solitones de dos dimensiones (2D), mismos que al somterse a rejillas ópticas (OL) cuasiperiódicas (QP), y utilizando la ecuación Gross-Pitaevskii (GPE),
Salomón García Paredes   +1 more
doaj  

História e Historiografia das crises

open access: yesRevista de História, 2020
Partindo da experiência contemporânea das crises econômicas e políticas determinadas por fatores percebidos como incontroláveis, este artigo retoma algumas das mais importantes perspectivas historiográficas do século XIX ao XXI sobre o fenômeno.
Jorge Luís Grespan
doaj  

Nation vs. region: tensions in Venezuela’s post-collapse party system

open access: yesAmérica Latina Hoy, 2011
The collapse of the Venezuelan party system stirred controversy because it was considered one of the most consolidated political systems of Latin America. Several studies have analyzed the causes that contributed to this collapse.
Iñaki SAGARZAZU
doaj   +1 more source

The Empty State: Governing the Voids in a Projected Conflict‐Torn Yemen

open access: yesPolitics &Policy, Volume 53, Issue 5, October 2025.
ABSTRACT This study introduces the concept of the “Empty State” to explain a form of state dysfunction in Yemen, where state institutions exist but are stripped of their governance authority. While frameworks on fragile or failed states emphasize the weakness or collapse of state capacity, the Empty State highlights the persistence of symbolic ...
Moosa Elayah
wiley   +1 more source

This Language Is Mine: US College Students Navigating Contradictions of “Mother Tongue” and Heritage Language

open access: yesAmerican Anthropologist, Volume 127, Issue 3, Page 623-628, September 2025.
ABSTRACT In this essay, I draw on both autoethnography and ethnographic research among college students studying their Heritage Language (HL)—or Heritage Language Learners (HLLs)—at a US university. I explore the felt contradictions and tensions that get voiced when attempting to navigate the uneasy relationship between two terms: “mother tongue” and ...
Arnaaz Khwaja
wiley   +1 more source

Recovery mode: Marine protected areas enhance climate resilience of invertebrate species to marine heatwaves

open access: yesFunctional Ecology, Volume 39, Issue 8, Page 1879-1893, August 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Marine protected areas (MPAs) can promote population recovery from climate change impacts by reducing local stressors like fishing. However, with extreme climatic events such as marine heatwaves (MHWs) increasing in frequency and duration, it remains unclear whether ...
Carolina Olguín‐Jacobson   +12 more
wiley   +1 more source

Análise do colapso de uma bolha de vapor e ar em água viscosa e compressível

open access: yesSemina: Ciências Exatas e Tecnológicas, 2004
São apresentadas simulações numéricas do colapso de bolhas, ou cavidades, utilizando o método das diferenças finitas, levando em consideração a compressibilidade do líquido, o que se espera que ocorra nos estágios finais do processo de colapso.
Gil Bazanini
doaj   +1 more source

Effectiveness of protected areas in the Caucasus Mountains in preventing rangeland degradation

open access: yesConservation Biology, Volume 39, Issue 3, June 2025.
Abstract As land use intensifies globally, it increasingly exerts pressure on protected areas. Despite open, nonforested landscapes comprising up to 40% of protected areas globally, assessments have predominately focused on forests, overlooking the major pressures on rangelands from livestock overgrazing and land conversion.
Arash Ghoddousi   +12 more
wiley   +1 more source

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