Results 31 to 40 of about 27,974 (178)

L'évolution récente de l'huile de palme [PDF]

open access: yes, 1990
Plusieurs thèmes d'intérêt pratique ont été choisis · 1 -A l'occasion d'une étude approfondie aux Pays-Bas sur la nutrition humaine, de nombreux produits alimentaires de consommation courante ont été reformulés de façon à contenir un maximum d'huile de ...
Berger, K.G.
core  

Integrating Urban Expansion and Flood Risk: A Spatial Assessment of Impervious Surface Growth and Floodplain Exposure in Mecklenburg County (2011–2021)

open access: yesWorld Water Policy, Volume 12, Issue 1, February 2026.
ABSTRACT Urban expansion significantly impacts flood risk, particularly in rapidly growing areas where impervious surfaces exacerbate surface runoff. This study examines spatial patterns of urban growth and their effects on flood exposure in Mecklenburg County, North Carolina, from 2011 to 2021.
Pegah Madadi, Azad Sadeghi
wiley   +1 more source

COVID-19 em Jundiaí/SP: dinâmica temporal das notificações e análise espacial da prevalência soroepidemiológica

open access: yesRevista de Epidemiologia e Controle de Infecção, 2021
Justificativa e Objetivo: A pandemia pela COVID-19 trouxe um cenário desafiador para a saúde pública em todo o mundo, devido ao pouco conhecimento sobre a infecção e seu aumento exponencial.
Carolina Matteussi Lino   +2 more
doaj   +1 more source

Key drivers of at‐vessel mortality in demersal sharks

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Chondrichthyans are highly vulnerable to fisheries overexploitation, and postcapture mortality poses a significant threat to most species. Global bycatch mitigation guidelines recommend adopting hierarchical decision‐making approaches tailored to species‐specific vulnerabilities and socioeconomic and regulatory contexts.
David Ruiz‐García   +3 more
wiley   +1 more source

Comparison of drone and ground surveys for the detection of a rare plant in a fragile ecosystem

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
We compared the accuracy, time, and financial costs of drone and ground surveys for the detection of wood lilies (Lilium philadelphicum) in an endangered alvar ecosystem. We found that the drone surveys detected 73%–78% of the plants found in the ground surveys, but that this type of survey was more expensive and time consuming than the ground survey ...
Ana Hernández Martínez de la Riva   +3 more
wiley   +1 more source

Modelo de regresión de máquinas de vectores soporte de mínimos cuadrados para la predicción de la cristalinidad de catalizadores de craqueo por espectroscopia infrarroja

open access: yesRevista CENIC Ciencias Químicas, 2010
La reciente introducción del método de máquinas de vectores soporte de mínimos cuadrados para regresión en el campo de la Quimiometría ha presentado una serie de ventajas con relación a los métodos lineales y no lineales de calibración multivariada.
Yumirka Comesaña García   +4 more
doaj  

Implementación del método de optimización de máquinas de soporte vectorial en R

open access: yesTecnura
Contexto: La optimización de máquinas de soporte vectorial (SVM, por su sigla en inglés) ha sido un tema recurrente en diversos foros y publicaciones relacionadas con la inteligencia artificial (IA) y el aprendizaje automático.
Diego Armando Poveda García   +3 more
doaj   +1 more source

Seleção de variáveis para clusterização de bateladas produtivas através de ACP e remapeamento kernel

open access: yesProduction, 2015
Técnicas de clusterização visam à formação de grupos de observações homogêneas dentro de um mesmo grupo e significativamente distintas das observações inseridas em outros grupos.
Victor Leonardo Cervo   +1 more
doaj   +1 more source

Años de vida perdidos y distribución espacial de la mortalidad por incidente vial en Medellín, 2010-2020

open access: yesRevista Facultad Nacional de Salud Pública, 2023
Objetivo: Estimar los años potenciales de vida perdidos y la distribución espacial de la mortalidad por incidente vial según modo de transporte en Medellín 2010-2020, como línea base para la implementación de la estrategia Visión
Edwin Alberto Salazar-Henao   +1 more
doaj   +1 more source

Sustained contraceptive‐level plasma concentrations of 4,4′‐dinitrocarbanilide in free‐ranging urban feral pigeons fed a custom bait Niveles plasmáticos altos y sostenidos de 4,4′‐dinitrocarbanilida en palomas domésticas libres alimentadas con un cebo anticonceptivo

open access: yesWildlife Society Bulletin, Volume 49, Issue 4, December 2025.
We assessed the acceptability and consumption of a custom‐developed nicarbazin bait for feral pigeons, inferred its contraceptive efficacy, and evaluated the reversibility of its effects upon cessation of treatment. Only feral pigeons consumed the bait, except for one eared dove that also ingested the food. Continuous administration of this bait raised
Joaquín L. Navarro   +7 more
wiley   +1 more source

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