Results 21 to 30 of about 1,303 (118)

Environmental Stress Drives Plasticity in Sexual Bimaturism in the Black Soldier Fly (Hermetia illucens Linnaeus, 1758)

open access: yesEntomologia Experimentalis et Applicata, Volume 174, Issue 7, Page 736-749, July 2026.
We measured the plasticity in sexual bimaturism (SBM; differences between sexes in the timing of sexual maturity) in the black soldier fly (BSF) by exposing larvae to nutrient availability and humidity stress. Our results show that SBM can range between protandry and protogyny depending on the environmental quality. Additionally, we found the degree of
Luis Rodrigo Arce‐Valdés   +4 more
wiley   +1 more source

Un algoritmo espectral para la resolución deproblemas de control óptimo

open access: yesRect@, 1999
En este trabajo se presenta una algoritmo numérico de resolución de problemas de control óptimo, basado en la discretización del mismo utilizando una técnica espectral de colocación.
Olmos, F., Casasus Estelles, T.
doaj  

Control ℒ2 / D

open access: yesCiencia Ergo Sum
Se presenta la concepción formal del control geométrico paramétrico en ℒ2 / D, su interpretación en lenguaje natural, sus aplicaciones actuales y su análisis prospectivo.
Miguel Ángel García-Alvarado   +3 more
doaj   +1 more source

Atherectomy With Multimodal Embolic Protection for Severely Calcified Femoropopliteal Lesions

open access: yesCatheterization and Cardiovascular Interventions, Volume 107, Issue 5, Page 1350-1354, April 1, 2026.
ABSTRACT Severe calcification in femoropopliteal lesions remains a clinical challenge to achieve both the technical and long‐term success in endovascular therapy. Although atherectomy is an effective treatment for calcified lesions, it is associated with the risk of distal embolization, even with the use of embolic protection devices (EPDs), and ...
Daichi Yoshii   +3 more
wiley   +1 more source

Sistema de control óptimo para la regulación de presión del cabezal de cloro de las cámaras de celdas

open access: yesIngenierías USBMed, 2014
El control es esencial en los procesos industriales, donde variables físicas como presión, temperatura, humedad y flujo entre otras, deben ser parametrizadas de acuerdo a las condiciones del proceso con la finalidad de mejorarlos y optimizarlos.
Ruth Cañizalez   +2 more
doaj  

Capacidad atencional, estado de peso y calidad de la dieta en escolares

open access: yesApunts: Educación Física y Deportes, 2022
La literatura científica sugiere que seguir una dieta saludable y mantener un estado de peso óptimo se relaciona con múltiples beneficios para las dimensiones de la salud.
Pedro José Carrillo-López
doaj   +1 more source

In vitro culture, cryopreservation, and field reintroduction of the endangered Mingan thistle

open access: yesConservation Biology, Volume 40, Issue 2, April 2026.
Abstract Current plant conservation efforts are hindered by, for example, poor seed germination, low viability, and insufficient propagation and preservation technologies. To address these problems, we devised an approach to plant conservation that integrates conservation, preservation, and restoration (CPR), which uses advanced in vitro techniques. We
Mukund R. Shukla   +4 more
wiley   +1 more source

Early life stress and disruption of the ageing trajectory in female rats: Insights into the origins and mechanisms underlying the risk of hypertension

open access: yesExperimental Physiology, Volume 111, Issue 4, Page 1781-1795, 1 April 2026.
Abstract Menopause increases the risk of hypertension in women, yet the factors contributing to this important change remain unclear. Because early life stress has persistent and sex‐specific consequences on health, we hypothesized that ageing reveals the latent effects of neonatal maternal separation (NMS) on cardiovascular homeostasis in female rats.
Danuzia Ambrozio‐Marques   +6 more
wiley   +1 more source

Modelo teórico de asignación óptica del recurso hídrico en la frontera Guajira Colombo-Venezuela

open access: yesAgroalimentaria, 2004
La cuenca del río Carraipía-Paraguachón es una zona fronteriza comprendida entre las fronteras de Venezuela y Colombia, un área de gran importancia económica para ambos países.
José Miguel Sánchez
doaj  

Control Óptimo Aplicado a Campos de Colectores Solares Distribuidos

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2018
En este trabajo se describe el control de una planta solar de colectores cilíndrico parabólicos cuando la radiación solar está sometida a variaciones debidas al paso de nubes.
Francisco R. Rubio   +4 more
doaj   +1 more source

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