Results 31 to 40 of about 4,403 (145)

Implicaciones de la zona Ossa-Morena y dominios equivalentes en el modelo geodinámico de la Cadena Hercinica europea

open access: yesEstudios Geologicos, 1987
La zona Ossa-Morena (ZOM) del hercínico peninsular posee unas características peculiares que la diferencian netamente de los otros dominios internos de la Cadena.
A. Castro
doaj   +1 more source

Colisión triple en un caso particular del problema restringido de cuatro cuerpos [PDF]

open access: yes, 2020
Se estudia un caso particular del problema restringido de cuatro cuerpos. A partir de una solución isósceles plana (con un eje fijo de simetría), con colisión binaria del problema de los tres cuerpos con masas finitas, se regulariza una colisión triple ...
López-García, F.
core   +1 more source

Data gaps and heterogeneity limit our understanding of human–wildlife interactions: A continental study of Andean bears

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1499-1519, May 2026.
Abstract The expansion and intensification of human activities have increased interactions between people and wildlife. Interactions involving bears and other large carnivores are complex and can lead to conflicts. Promoting positive coexistence requires managing information, which is not always available.
Roxana Rojas‐VeraPinto   +2 more
wiley   +1 more source

Tumor de colisión apendicular: Neoplasia epitelial mucinosa y tumor neuroendocrino

open access: yesRevista de la Facultad de Ciencias Médicas de Córdoba, 2020
Introducción: Se define a un tumor de colisión apendicular, como la presencia de dos tipos de tumores histológicamente distintos, dentro del apéndice sin transición entre ellos.
Mario Alberto Cafaro   +6 more
doaj   +1 more source

Advocacy Coalitions and the Evolution of U.S. Space Policy: Private Companies, Competition, and Space Traffic Coordination

open access: yesPolitics &Policy, Volume 54, Issue 2, April 2026.
ABSTRACT This study employs advocacy coalition framework (ACF) theory to analyze debates over U.S. space policies designed to avoid dangerous collisions between objects in Earth orbit. For decades, the Department of Defense prioritized national security in its development of space traffic coordination (STC) systems like the Space Surveillance Network ...
Jeffrey S. Lantis
wiley   +1 more source

A multiscale seasonal examination of the risk of harm to seabirds from vessels based on co‐occurrence in Alaskan waters

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co‐occurrence ...
Kelly Kapsar   +2 more
wiley   +1 more source

Minimizing aviation lighting duration reduces bat attraction to wind turbines

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
This study provides empirical evidence that attraction behaviour of bats towards wind turbines is driven, at least partially, by red aviation lighting. We also demonstrate that smart lighting of wind turbines, such as the ADLS, could cost‐effectively help mitigate disruption of bat habitat use and the associated collision risks.
Gaëlle Larnoy   +7 more
wiley   +1 more source

Análisis estructural de un bus de dos pisos de larga distancia durante colisiones

open access: yesIngenius: Revista de Ciencia y Tecnología, 2021
Este estudio presenta un análisis de colisiones de impacto frontal y volcamiento lateral de un autobús de dos pisos, conforme al Reglamento 66 y 29 de la Comisión Económica de las Naciones Unidas para Europa (UN/ECE), y el Servicio Ecuatoriano de ...
Jimmy Brito Morocho   +3 more
doaj   +1 more source

Procesos de colisión en partículas elementales [PDF]

open access: yes, 2007
Esta presentación contiene información de apoyo al estudio de los procesos de colisión en partículas ...
Cárdenas Ramírez, Herberth Jesús
core  

Community‐informed and codesigned research to understand the impacts of railways on wildlife

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Trains cause mortalities of several animal species, but the ecological impacts of railways are understudied. Most research on wildlife–train collisions has focused on large mammals, but understanding railway‐specific risks for underrepresented taxa, especially vulnerable species, is important for developing effective mitigation strategies ...
Kyle D. Vincent   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy