Results 31 to 40 of about 2,317,829 (309)

El relato canónico de la transición. El uso del pasado como guía para el presente

open access: yesEl Futuro del Pasado, 2013
La transición a la democracia se ha convertido en el más claro referente de la nueva identidad democrática española. En el relato oficial, los años que van de 1975 a 1981 y sus protagonistas se han elevado al panteón nacional, hasta el punto de ...
Daniel Canales Ciudad
doaj   +1 more source

The Schr\"odinger formulation of the Feynman path centroid density

open access: yes, 1999
We present an analysis of the Feynman path centroid density that provides new insight into the correspondence between the path integral and the Schr\"odinger formulations of statistical mechanics.
López-Ciudad, Telesforo   +1 more
core   +2 more sources

High-precision U-Pb ages in the early Tithonian to early Berriasian and implications for the numerical age of the Jurassic-Cretaceous boundary [PDF]

open access: yes, 2019
The numerical age of the Jurassic-Cretaceous boundary has been controversial and difficult to determine. In this study, we present high-precision U-Pb geochronological data around the Jurassic-Cretaceous boundary in two distinct sections from different ...
Aguirre-Urreta, Maria Beatriz   +10 more
core   +1 more source

Paisajes (ciudad presente/ciudad distante)

open access: yesAletria: Revista de Estudos de Literatura, 2007
Resumen: Este artículo se plantea como un recorrido por algunos textos que aluden e incorporan la ciudad, de muy diversos modos. A pesar de centrarse en la poesía chilena publicada en la década del 1990, no se omiten referencias a escritos previos ni a otros géneros (novela, crónica, canciones, cine), marcados por la preocupación urbana.Palabras-clave:
openaire   +4 more sources

Catálogo de freiles clérigos que ocuparon cargos en la Orden de Calatrava (Edad Media)

open access: yesEn la España Medieval, 2014
Desde su nacimiento la Orden de Calatrava presentó una estructura dúplice. Por un lado estaba la rama militar, compuesta por los freiles caballeros, y por otra la rama clerical formada por los freiles clérigos.
Manuel Ciudad Ruiz
doaj   +1 more source

Immune-mediated inflammation promotes subclinical atherosclerosis in recent-onset psoriatic arthritis patients without conventional cardiovascular risk factors [PDF]

open access: yes, 2018
Studies on the inflammatory burden in recent-onset psoriatic arthritis (PsA) patients without conventional cardiovascular risk factors (CVRFs) are not available.
Capani, Francisco   +8 more
core   +1 more source

Bile acids: Lipase-catalyzed synthesis of new hyodeoxycholic acid derivatives [PDF]

open access: yes, 2018
In this work we present an efficient, environmentally friendly approach to the synthesis of a series of hyodeoxycholic acid derivatives applying Biocatalysis.
Baldessari, Alicia   +3 more
core   +1 more source

Why call it developmental bias when it is just development?

open access: yesBiology Direct, 2021
The concept of developmental constraints has been central to understand the role of development in morphological evolution. Developmental constraints are classically defined as biases imposed by development on the distribution of morphological variation.
Isaac Salazar-Ciudad
doaj   +1 more source

Acid-sensing ion channels 1a (ASIC1a) inhibit neuromuscular transmission in female mice [PDF]

open access: yes, 2014
Acid-sensing ion channels (ASIC) open in response to extracellular acidosis. ASIC1a, a particular subtype of these channels, has been described to have a postsynaptic distribution in the brain, being involved not only in ischemia and epilepsy, but also ...
Colettis, Natalia Claudia   +8 more
core   +1 more source

Mapping the Cerebral Organoid Landscape: A Systematic Review of Preclinical 3D Models in Neuroscience

open access: yesAdvanced Healthcare Materials, EarlyView.
Cerebral organoids are transforming brain research, yet the field remains fragmented. This comprehensive systematic review maps 738 studies published between 2014 and 2024 to uncover trends, gaps, and opportunities across neuroscience. Introducing OrganoidMap—an interactive, open‐access platform to explore and compare models—this work enables ...
Anna Wolfram   +10 more
wiley   +1 more source

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