Results 41 to 50 of about 17,120 (214)

Modelización, Análisis y Control de Sistemas de Cojinetes Magnéticos Activos

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2008
Resumen: En este estudio se presentan el modelado, diseño de control, análisis de robustez y procedimiento de reducción activa de vibraciones de un sistema consistente en un eje sustentado mediante levitación magnética activa.
I. Arredondo   +4 more
doaj   +1 more source

Effects of landscape fragmentation on floodplain fishes as revealed by species–habitat networks

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract How species interact with habitat patches is influenced primarily by habitat configuration (e.g., connectivity) and species’ functional traits. As levels of fragmentation increase, identifying the intricate connections between these components is crucial for biodiversity conservation.
Chen Zhang   +8 more
wiley   +1 more source

Information and Communication Technologies Infrastructure and Environmental Quality in ECOWAS: A PMG Model Approach

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT The relationship between information and communication technology (ICT) infrastructure and environmental quality remains a critical issue for developing regions such as the ECOWAS member states. While some scholars argue that ICT infrastructure exacerbates environmental degradation, others contend that it can enhance environmental performance.
Kouakou A. Yao   +2 more
wiley   +1 more source

CMiNet: An R package and user‐friendly Shiny App for constructing consensus microbiome networks

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 1, Page 52-66, January 2026.
Abstract Microbial networks offer critical insights into community structure, ecological interactions and host–microbe dynamics. However, constructing reliable microbiome networks remains challenging due to variability among existing inference methods, limited overlap between inferred networks and the absence of a gold standard (a universally accepted ...
Rosa Aghdam, Claudia Solís‐Lemus
wiley   +1 more source

Robustez estadística

open access: yesLecturas de Economía, 1987
The use of precise stochastic parameter models, such as the normal, log-normal, exponential, poisson and gamma models, is nowadays deeply entrenched in statistical practice.
Elkin Cataño Velez
doaj  

CLUSTERS DE ROBUSTEZ COMO CRITÉRIO DE SELEÇÃO NO MELHORAMENTO GENÉTICO PARA MITIGAÇÃO DE IMPACTOS DAS MUDANÇAS CLIMÁTICAS

open access: yesRevista Brasileira de Engenharia de Biossistemas, 2018
Mudanças climáticas são previstas para as próximas décadas e, consequentemente, seus impactos na pecuária bovina, sendo a seleção nos rebanhos uma maneira de amenizá-los.
R. N. Pereira   +4 more
doaj   +1 more source

Climate Change Will Resize and Reshape Plant–Hummingbird Networks in the Atlantic Forest

open access: yesDiversity and Distributions, Volume 32, Issue 1, January 2026.
ABSTRACT Aim To assess how climate change could reshape plant–hummingbird interaction networks in the Atlantic Forest by predicting shifts in species co‐occurrence and evaluating changes in network structure. Location Atlantic Forest, South America.
Alejandro Restrepo‐González   +6 more
wiley   +1 more source

Raça, Sangue e Robustez Os paradigmas da Antropologia Física [PDF]

open access: yes, 2012
Por toda a primeira metade do século XX a Antropologia colonial portuguesa esteve quase que totalmente entregue a uma orientação antropobiológica. A denominada «escola do Porto», na qual pontificava o professor catedrático de medicina Mendes Corrêa ...
Pereira, Rui
core  

Validação de modelos de predição de nitrogênio uréico no leite, estimando-se o consumo individual pelo consumo do rebanho - DOI: 10.4025/actascianimsci.v28i1.666

open access: yesActa Scientiarum: Animal Sciences, 2008
O objetivo deste trabalho foi validar modelos de predição de nitrogênio uréico no leite (NUL), visando contribuir para avaliação nutricional de dietas de vacas. Foram utilizadas 8.833 observações de vacas holandesas de um rebanho comercial. A produção de
Paula Marques Meyer   +5 more
doaj   +1 more source

Análisis de Timbre y Robustez del Controlador de Diferencias

open access: yes, 2004
Actualmente la forma de manipular los procesos en la práctica requiere del diseño de nuevos y mejores controladores que permitan obtener los resultados deseados y que demanden de una implementación fácil y económica. El control digital de procesos se lleva a cabo, en la mayoría de los casos, con controladores Proporcional Integral y Derivativo (PID ...
Alvarado Calva, Eréndira
openaire   +2 more sources

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