Results 61 to 70 of about 412,330 (199)

La obligatoriedad de las leyes civiles según Francisco de Vitoria [PDF]

open access: yes, 2009
Según Vitoria, el valor y legitimidad de las leyes humanas deriva de la naturaleza de la persona humana que necesita de la vida en sociedad, y, a su vez, ésta necesita una autoridad, para desarrollarse adecuadamente.
Sarmiento, A. (Augusto)
core  

Fern spore dispersal: A methodological review and experimental field study

open access: yesApplications in Plant Sciences, Volume 14, Issue 1, January-February 2026.
Abstract Spore dispersal is one of the most important but perhaps the least investigated and understood processes in determining the geographical distribution of fern species. After a methodological review of the aerobiology of fern spores, we examined the impact of spore characteristics and meteorological factors on their airborne dispersal.
Felipe Gómez‐Noguez   +6 more
wiley   +1 more source

The Variability and Determinants of Serotiny in Pinus Yunnanensis

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
This study investigates the intraspecific variation in serotiny level among three varieties of Pinus yunnanensis. Using field data and structural equation modeling, we found that cone resin content is the key physiological driver of serotiny, indirectly shaped by climate and soil factors.
Ying Liu   +7 more
wiley   +1 more source

Uniformidades duras y blandas: criterios de demarcación [PDF]

open access: yes, 1996
Uno de los problemas que se presenta al intentar determinar la estructura de las teorías de las ciencias naturales, así como en otros ámbitos como el de la .explicación científica, es el de distinguir las leyes naturales de las uniformidades accidentales.
Carsolio, Susana   +3 more
core  

Continuities in policy change: The case of squatter housing redevelopment strategies in Türkiye

open access: yesReview of Policy Research, Volume 43, Issue 1, January 2026.
Abstract The introduction of the neoliberal agenda in the 1980s marked a milestone for urban studies, where the neoliberal framework became widely accepted as both given and explanatory for understanding urban phenomena. This tendency often obscured policy continuities rooted in the historical and social contexts of specific geographies.
Fatma Süphan Somalı, Ufuk Poyraz
wiley   +1 more source

El análisis input-output

open access: yesInformes de la Construccion, 1964
Cuando en 1758 el Dr. F. Quesnay, médico de Luis XV, formula su famoso «Tableau Economique», las ideas sobre la interdependencia general de los sectores económicos calaron profundamente en el espíritu de los economistas de la época. La escuela fisiócrata,
Javier de Parada
doaj   +1 more source

La magia en el Quijote: Cervantes ilustrado [PDF]

open access: yes, 2011
La palabra magia posee actualmente dos acepciones. La primera es aplicable al Quijote por el atractivo, encanto o hechizo con el que, indudablemente, la obra ha atrapado a innumerables pensadores, filólogos y estudiosos a lo largo de los siglos.
Rivero Iglesias, María del Carmen
core   +1 more source

Comparing public support for alternative climate policy designs: An experimental study

open access: yesReview of Policy Research, Volume 43, Issue 1, January 2026.
Abstract Scholars have debated how specific policy designs may generate stronger positive or negative reactions from the public, especially with regard to public expectations regarding pricing‐based policy designs compared to regulatory approaches.
Joshua Basseches   +3 more
wiley   +1 more source

En busca de la felicidad

open access: yesRevista de Educación Matemática, 2022
Acaso los números naturales sean los seres vivos más básicos, las células primigenias de ese entramado vital, fértil, complejo e inabarcable que es la actividad matemática.
Roberto Ben   +4 more
doaj  

Innovation Policy in an Emerging Economy: How Regional and Technological Disparities Moderate the Effects of a National Law

open access: yesReview of Policy Research, Volume 43, Issue 1, January 2026.
ABSTRACT The Innovation Law, enacted in Brazil in 2004, laid the regulatory and institutional foundations for the national innovation system, aiming to promote closer interaction between universities, research institutions, and industry. However, nearly two decades after its implementation, its influence on the national innovation system remains ...
Breno Valente Fontes Araújo   +3 more
wiley   +1 more source

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