Results 211 to 220 of about 5,938,611 (310)

Characteristics of covid-19 in miners and former miners with a history of silicosis. [PDF]

open access: yesRev Peru Med Exp Salud Publica
Farmer-Aldunce LG   +4 more
europepmc   +1 more source

En torno al cambio de medida de las variables que intervienen en la regresión lineal

open access: yes, 1981
Las transformaciones lineales en las variables que intervienen en los modelos uniecuacionales se justifican en la medida que tengan algún significado económico o por el simple hecho de facilitar los cálculos. Se analiza el efecto de estos cambios de medida en la especificación de los modelos, en la estimación de los parámetros, en las pruebas de ...
openaire   +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

Validity of self-reported measures of decreased muscle strength in older adults. [PDF]

open access: yesRev Bras Enferm
Mota JPN   +7 more
europepmc   +1 more source

Los impactos de la crisis internacional en América Latina: ¿Hay margen para el diseño de políticas regionales? [PDF]

open access: yes
La crisis internacional que se desencadenó en el segundo semestre de 2008 llevó a la adopción de medidas proteccionistas por parte de diversos países, principalmente para evitar problemas de balanza de pagos, potenciar el mercado interno como alternativa
Alessia Lo Turco   +7 more
core  

Nueva medida de desempeño de portafolios sofisticada que integra las mejores variables de otros indicadores

open access: yes, 2015
Cuando se desea conocer el desempeño de un portafolio se piensa en diversas medidas que se exponen en el mercado. Éstas resultan muy útiles cuando se quiere analizar la administración que se le ha dado a las inversiones, teniendo en cuenta la eficiencia del mercado, además de ayudar al inversionista a identificar problemas con el costo de capital ...
openaire   +1 more source

Understandings and critiques of biocultural diversity conservation and future recommendations for conservation actors

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract As biocultural approaches to conservation gain traction (e.g., through international commitments to Indigenous Peoples and local communities) and external conservation actors increasingly seek to engage with on‐the‐ground holders of biocultural diversity, improved understanding is needed of what biocultural diversity means.
Natalie D. L. York
wiley   +1 more source

Psychometric evaluation of the Depression, Anxiety and Stress Scale (DASS-21) in peruvian university students. [PDF]

open access: yesRev Peru Med Exp Salud Publica
Cirilo-Acero I   +4 more
europepmc   +1 more source

Mitigating light pollution impacts on arthropods based on light‐emitting diode properties

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Light pollution from artificial light at night (ALAN) is a significant environmental problem with far‐reaching consequences for ecological systems. Recent innovations in light‐emitting diode (LED) technology may offer sustainable outdoor lighting solutions, but scientific evidence is lacking. We investigated the effects of various LED lighting
Nicola van Koppenhagen   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy