Results 41 to 50 of about 63,125 (274)

Veronica paczoskiana is no more than a pine forest ecotype of V. spicata that evolved independently in forest‐steppes of Ukraine and the Altai region

open access: yesNordic Journal of Botany, EarlyView.
The Eurasian steppe area has been a dynamic vegetation biome during the Pleistocene with its repeated cycles of forest advances and retreats. Such a scenario allows the evolution of ecotypes at the ecotone with the potential for parallel evolution in different parts of the distribution area.
Dirk C. Albach   +4 more
wiley   +1 more source

Análisis preliminar de un protocolo para la evaluación de marcos deícticos

open access: yesDiversitas: Perspectivas en Psicología, 2013
El propósito de esta investigación es explorar diferencias en la ejecución de tareas deícticas presentadas en el protocolo de McHugh, Barnes-Holmes y Barnes-Holmes (2004a), en relación con variaciones procedimentales que consistieron en exponer a unos ...
María Isabel Rendón
doaj  

Comentario sobre la comunicación del Dr . F Etchegorry hecha en la sesión siguiente de haber sido leída esta

open access: yesCirugía del Uruguay, 2020
Presentado en sesión de 22 de agosto de ...
Abel Chifflet
doaj  

HyLPD Digital Twin Control for UAV Stability in High‐Wind Conditions

open access: yesOptimal Control Applications and Methods, EarlyView.
This work introduces a novel HyLPD, a hybrid control framework combining Linear Quadratic Regulator (LQR) for baseline stability and Deep Deterministic Policy Gradient (DDPG) for adaptive compensation, tailored for UAVs under high‐wind conditions.
Cara Rose   +2 more
wiley   +1 more source

Edema maligno de la cara

open access: yesCirugía del Uruguay, 2020
Presentado en sesión de 22 de agosto de ...
José Carlos Vercesi
doaj  

Sex Ratios at Birth Following Non‐Invasive Prenatal Testing in Victoria, Australia

open access: yesPrenatal Diagnosis, EarlyView.
ABSTRACT Objective Non‐invasive prenatal testing (NIPT) can determine fetal chromosomal sex early in pregnancy, raising the possibility of sex selection. However, current evidence regarding this practice is limited. Our objective was to assess the sex ratio at birth (SRB) among a cohort of infants born following NIPT from a single laboratory provider ...
Hilary Bowman‐Smart   +6 more
wiley   +1 more source

Tratamiento de los epiteliomas avanzados de la cara

open access: yesCirugía del Uruguay, 2020
Presentado en sesión de 4 de octubre de ...
Guillermo H Fossati
doaj  

Recovering nutrients from urine – A golden opportunity for sustainable fertiliser production

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Agricultural industrialisation has led to levels of nutrients in the environment that are well above safe operating limits, yet fertiliser use is necessary to feed a growing population. The recovery of nutrients from human urine in large, developed cities may offset some of the ecological and economic impacts associated with fertiliser production, as ...
Hanxia Yu   +9 more
wiley   +1 more source

Speciation with gene flow

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long   +7 more
wiley   +1 more source

Uso del propranolol en hemangioma segmentario de la cara. A propósito de un caso

open access: yesMedisur, 2020
En los hemangiomas de la infancia de tipo segmentario son frecuentes las complicaciones, por lo que es necesario el tratamiento de estas lesiones. El propranolol es en la actualidad la primera línea de tratamiento en estos casos.
Zoe Quintero Delgado   +3 more
doaj  

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