Results 71 to 80 of about 2,067,816 (187)

How to talk about crises? Leaders' narrative strategies during the COVID‐19 vaccination campaign in Italy and France

open access: yesPolicy Studies Journal, Volume 53, Issue 4, Page 994-1013, November 2025.
Abstract Defined by threat, urgency, and uncertainty, crises produce opportunities for government leaders to exploit and create meaning around their policy decisions in such unstable circumstances. In narrating their preferred policy solutions, one of the tools governments can use is relying on evidence‐based information.
Laura Mastroianni, Stefania Profeti
wiley   +1 more source

El factor variabilidad en una tarea perceptivo-motriz [PDF]

open access: yes, 2004
En el artículo se presenta una investigación del efecto del factor variabilidad en una tarea perceptiva como la del lanzamiento de móviles. Se utilizó cómo base teórica, “el modelo de campo” propuesto por Roca (1999).
Ventura i Vall-Llovera, Carles
core  

NIRS potential use for the determination of natural resources quality from dehesa (acorn and grass) in Montanera system for Iberian pigs. [PDF]

open access: yes, 2018
NIRS technology has been used as an alternative to conventional methods to determinate the content of nutrients of acorns and grass from dehesa ecosystem.
Cabeza de Vaca, M   +9 more
core   +1 more source

Managing Risk, Reinforcing Environmental Racism: The Biopolitics of Pesticide Regulation in California Agriculture

open access: yesReview of Policy Research, Volume 42, Issue 6, Page 1509-1524, November 2025.
ABSTRACT This paper provides a retrospective on California's oversight of 1,3‐dichloropropene (1,3‐D). It utilizes archival documents, including internal memos, emails, and risk assessments, to demonstrate how the state's Department of Pesticide Regulation consistently expanded allowable 1,3‐D use while presenting each policy change as scientifically ...
Kaitlyn Alvarez Noli
wiley   +1 more source

Study using microsatellites of main varieties of iberian pig [PDF]

open access: yes, 2000
It is characterized a sample of 10 Iberian Pigs strains and one of Duroc with a panel of 25 microsatellites. It was detected a number of alleles between 4 and 20. The values of Heterocigosity by locus ranged between 0.03 for S0355 and 0.73 for S0068. The
Martínez Martínez, Amparo   +2 more
core  

Efectividad y toxicidad de radioterapia tridimensional versus bidimensional tras cirugía de cáncer de mama temprano [PDF]

open access: yesRevista Argentina de Salud Pública, 2014
El cáncer de mama es la principal causa de muerte por cáncer en mujeres. En Argentina la incidencia es de 74/100.000 por año. En el mundo hay 1,2 millones de nuevos casos y 500.000 muertes anuales.
Roberto, Lede   +3 more
doaj  

Evaluación en Hardware de los Algoritmos Split Radix para la Implementación de la IFFT

open access: yesMaskay, 2018
El objetivo de este trabajo fue identificar experimentalmente en hardware, el algoritmo que presentó el mejor desempeño para el cálculo de la IFFT de un símbolo OFDM del estándar ISDBT-b.
Pedro Correa   +2 more
doaj   +1 more source

Using Environmental DNA Sampling for Simultaneous Detection of Hosts and Their Pathogens: A Case Study With the Critically Endangered Frog Genus Atelopus

open access: yesAnimal Conservation, Volume 28, Issue 5, Page 663-674, October 2025.
Environmental DNA is a powerful tool for simultaneous detection of rare species and their pathogens. We confirmed the presence of Atelopus at multiple sampling locations and found that the concentration of the amphibian pathogen Bd in eDNA samples was correlated with stream characteristics and the pathogen load of the amphibian community.
Jamie Voyles   +6 more
wiley   +1 more source

Validation of daily growth increments and estimation of growth rates of larval and early juvenile black skipjack, Euthynnus lineatus, using otoliths [PDF]

open access: yes, 1993
ENGLISH: Increments in otoliths (sagittae) were examined, using light and scanning electron microscopy, to determine ages and estimate growth rates of larval and early-juvenile black skipjack, Euthynnus lineatus.
Wexler, Jeanne B.
core  

Aporte de la fotosíntesis de las hojas, aristas y espigas al llenado de los granos de trigo en la Región Semiárida Pampeana

open access: yesSemiárida, 2018
El llenado de los granos de trigo pan (Triticum aestivium L), se verá afectado si las plantas sufren un estrés hídrico, provocando achuzamiento y puede sacalo del estándar de comercialización.
Walter Matias Suppo   +1 more
doaj  

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