Results 21 to 30 of about 104,351 (128)

Stabilized mixed explicit finite element formulation for compressible and nearly-incompressible solids [PDF]

, 2017
El presente estudio presenta una formulación mixta de elementos finitos capaz de abordar problemas quasiincompresibles en forma explícita. Esta formulación se aplica a elementos con interpolaciones independientes e iguales de desplazamientos y ...
Cervera Ruiz, Miguel, Chiumenti, Michele, Lafontaine, N. M., Rossi, Riccardo   +3 more
core   +3 more sources

Plant functional traits shape the provision of ecosystem services to Indigenous communities in western Amazonia

People and Nature, Volume 7, Issue 12, Page 3313-3329, December 2025.
Abstract Context. Exploring how Indigenous People interact with plants through their functional traits allows us to understand the ecological bases of plant selection. Functional traits can help explain why certain plants are consistently chosen for specific purposes across diverse cultural contexts.
Julia G. de Aledo, Hans ter Steege, Luis Cayuela, Laura Matas‐Granados, Celina Ben Saadi, Norma Salinas, María de los Ángeles La Torre‐Cuadros, Selene Báez, Guillermo Bañares‐de‐Dios, Leslie Cayola, Belén Fadrique, William Farfán‐Rios, Alfredo Fuentes, Jürgen Homeier, Oswaldo Jadán, J. Sebastián Tello, Manuel J. Macía   +16 more
wiley   +1 more source

Foliar spectral signatures reveal adaptive divergence in live oaks (Quercus section Virentes) across species and environmental niches

New Phytologist, Volume 248, Issue 1, Page 370-388, October 2025.
Summary Genomic tools have advanced our understanding of species and population structure, but distinguishing neutral from adaptive evolution remains challenging due to limited methods for measuring a broad spectrum of phenotypic traits. We used spectroscopic data from preserved leaves to test for adaptive divergence among populations of live oaks ...
Mariana S. Hernández‐Leal, J. Antonio Guzmán Q., Antonio González‐Rodríguez, Jeannine Cavender‐Bares   +3 more
wiley   +1 more source

Mallas isostáticas bidimensionales en elementos finitos [PDF]

, 1993
Se plantea el problema de conseguir un método que, partiendo de una malla inicial en elementos finitos, genere una malla próxima a la óptima, conservando el mismo número de grados de libertad y, por consiguiente, sin penalizar los tiempos de análisis por
Martínez Marín, Rubén, Samartín, Avelino   +1 more
core   +1 more source

Impact of endometrial thickness on reproductive outcome in fresh and frozen–thawed embryo transfer: systematic review and meta‐analysis

Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 3, Page 271-281, September 2025.
ABSTRACT Objective To evaluate the impact of endometrial thickness on the reproductive outcomes of embryo transfer (ET) treatments using both cut‐off‐based meta‐analysis and meta‐analysis of proportions. Methods This was a systematic review and meta‐analysis of comparative studies (randomized controlled trials, cohort studies, case–control studies) and
F. Pérez‐Milán, M. Caballero‐Campo, M. Carrera‐Roig, J. A. Domínguez‐Arroyo, E. Moratalla‐Bartolomé, J. L. Alcázar‐Zambrano, L. Alonso‐Pacheco, J. A. Carugno, J. M. Puente‐Águeda, S. Haimovich, on behalf of the Spanish Fertility Society Special Interest Group on Benign Organic Reproductive Disorders   +10 more
wiley   +1 more source

Simplificación Automática de las Imágenes a Partir de Expresiones Semi-Analíticas [PDF]

, 2008
Las etapas de simplificación de las imágenes, eliminación del ruido y realce de los bordes, son esenciales para las tareas posteriores de segmentación. Estas técnicas de procesado requieren, normalmente, de la sintonización de sus parámetros de control ...
Asensio Madrid, Gabriel, Gonzalez Manchon, Pedro Maria, Platero Dueñas, Carlos, Poncela Pardo, Jose Manuel, Sanguino Botella, Fco. Javier, Tobar Puente, M. del Carmen   +5 more
core  

Optimización de formas en elasticidad bidimensional en medios homogéneos mediante el método de los elementos de contorno [PDF]

, 1989
En este trabajo se aborda el problema de la optimización de forma de sólidos elásticos bidimensionales, considerando material isótropo u ortótropo, de cara a obtener una distribución de tensiones lo más uniforme posible en zonas del contorno ...
Doblaré Castellano, Manuel, Espiga, F., Gracia, L.   +2 more
core   +2 more sources

Physiological thermal niches, elevational ranges and thermal stress in dendrobatid frogs: An integrated approach

Journal of Biogeography, Volume 51, Issue 10, Page 1880-1893, October 2024.
Abstract Aim We investigated the relationship between thermal physiology, elevational distribution and thermal stress among nine closely related dendrobatid frogs during their aquatic stage by employing an integrated approach, combining thermal physiology, environmental temperature modelling and predictive assessments of current and future exposure to ...
Pol Pintanel, Miguel Tejedo, Agustín Camacho, Urtzi Enriquez‐Urzelai, Gustavo A. Llorente, Andrés Merino‐Viteri   +5 more
wiley   +1 more source

Diseño de rutas y paradas óptimas para el tranporte público de pasajeros [PDF]

, 2015
Tesis (Lic. en Ciencias de la Computación)--Universidad Nacional de Córdoba, Facultad de Matemática, Astronomía, Física y Computación, 2015.En este trabajo se estudia el problema de diseñar una nueva línea de colectivo para un sistema de transporte ...
Jares, Nicolás
core  

Using explainable machine learning methods to evaluate vulnerability and restoration potential of ecosystem state transitions

Conservation Biology, Volume 38, Issue 3, June 2024.
Abstract Ecosystem state transitions can be ecologically devastating or be a restoration success. State transitions are common within aquatic systems worldwide, especially considering human‐mediated changes to land use and water use. We created a transferable conceptual framework to enable multiscale assessments of state resilience and early warnings ...
John T. Delaney, Danelle M. Larson
wiley   +1 more source