Results 51 to 60 of about 3,735 (119)

Mood and emotion assessment for risk reduction of pandemic spread through passenger air transport: a DSS applied to the COVID‐19 in the case of Spain

open access: yesInternational Transactions in Operational Research, Volume 32, Issue 4, Page 1918-1949, July 2025.
Abstract This paper presents a decision support system (DSS) for sentiment analysis of Spanish texts based on lexicons. The information provided by this DSS, named Spanish Sentiment Analysis‐DSS (SSA‐DSS), is employed to assess the social impacts considered in an external software module (RRPS‐PAT) centered on risk reduction of pandemic spread through ...
J. Aguarón   +13 more
wiley   +1 more source

Optimización de los medios de propagación y enraizamiento in vitro de las variedades “criollas” de vid para elaborar pisco Optimization of media for in vitro propagation and rooting of creole grapevine varieties utilized for pisco making

open access: yesRevista Peruana de Biología, 2012
Los protocolos y medios disponibles para la propagación y enraizamiento in vitro de la vid no han sido ajustados todavía a las variedades “criollas” con las que se elabora el pisco.
Eugenio González   +4 more
doaj  

Innovation and adaption in local governments in the face of COVID‐19: Determinants of effective crisis management 地方政府面对新冠肺炎时的创新与适应措施:有效危机管理的决定因素 Innovación y adaptación en gobiernos locales frente al COVID‐19: Determinantes de una gestión eficaz de la crisis

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 16, Issue 2, June 2025.
Abstract Local governments were instrumental in managing the COVID‐19 crisis in countries worldwide. This study examines the methods that local governments in Israel used to successfully manage the COVID‐19 crisis. We explored the structural characteristics of the localities that excelled at managing the pandemic.
Danielle Zaychik   +4 more
wiley   +1 more source

Vulture Exclusion Halves Large Carcass Decomposition Rates and Doubles Fly Abundance

open access: yesEcology and Evolution, Volume 15, Issue 5, May 2025.
We experimentally excluded vultures from pig carcasses (Sus scrofa) in Costa Rica, under different habitats and across seasons with the aim to assess the impact of vulture population decline on carrion decomposition and insect abundance. Vulture exclusion halved carcass decomposition rates and doubled fly abundance, while dung beetle abundance remained
Julia Grootaers   +11 more
wiley   +1 more source

Propagación sobre Cuba de la nube de ceniza de las erupciones del volcán Chichón, Marzo-Abril, 1982

open access: yesGeofísica Internacional, 1984
Sobre la base de las imágenes de satélites, datos de sondeos de la atmósfera y la Red de Estaciones Meteorológicas de superficie se hace un análisis de la evolución de la nube de ceniza proveniente de las erupciones del volcán Chichón (17 .3°N, 93.20ºW),
E. Mojena, O. García
doaj   +1 more source

Early detection strategies for invading tree pests: Targeted surveillance and stakeholder perspectives

open access: yesJournal of Applied Ecology, Volume 62, Issue 4, Page 857-871, April 2025.
We provide the first surveillance map for emerald ash borer incursions in GB with potential for deployment by government agencies and stakeholders concerned with biosecurity. Our framework establishes optimal surveillance locations depending on factors, including detection within different timeframes, knowledge certainty of entry pathways and ...
Vasthi Alonso Chávez   +11 more
wiley   +1 more source

Resistencia a la propagación de fisuras por fatiga en carburos cementados

open access: yesRevista de Metalurgia, 2001
En el presente trabajo se caracteriza el crecimiento por fatiga de fisuras grandes para dos calidades distintas de metal duro WC-Co, ambos con un 10 % en peso de cobalto pero con distintos tamaños de grano: 0,8 y 2,5 μm.
Y. Torres   +3 more
doaj   +1 more source

‘Sowing and harvesting water’: Revisiting forest restoration in the Peruvian Andes through a multi‐stakeholder analysis

open access: yesPeople and Nature, Volume 7, Issue 3, Page 631-652, March 2025.
Abstract Efforts to restore Peru's megadiverse Andean Forests are rapidly growing. While ecological determinants for restoration success are well known, knowledge on the socio‐economic and governance conditions that allow for the success of ecological restoration using native species is scarce.
Tina Christmann   +15 more
wiley   +1 more source

Efecto de la escarificación y estratificación sobre la germinación in vitro de Aristotelia chilensis (Molina) Stuntz

open access: yesGayana: Botanica, 2017
Con el fin de mejorar la germinación de semillas de Aristotelia chilensis, se establecieron dos ensayos in vitro. En el primero, se realizó escarificación y se comparó con un testigo. En el segundo, se aplicó estratificación fría por diferentes períodos
Mario Rodríguez Beraud   +5 more
doaj  

Desarrollo vegetativo de patrones cítricos cultivados en condiciones de invernadero bajo dos sistemas de riego Vegetative development of citrus seedlings cultivated at greenhouse conditions and submitted to two irrigations systems

open access: yesRevista Brasileira de Fruticultura, 2006
En el presente estudio se evaluó el desarrollo vegetativo de patrones cítricos cultivados en invernadero bajo dos sistemas de riego. El experimento se realizó en la Estação Experimental Agronômica de la Universidade Federal do Rio Grande do Sul, ubicada ...
Gilmar Schäfer   +3 more
doaj   +1 more source

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