Results 41 to 50 of about 830,199 (260)

“La Plata: Civil Axis” (“La Plata en Eje”) [PDF]

open access: yes, 2018
Facultad de Humanidades y Ciencias de la ...
Clérici, Paola   +2 more
openaire   +1 more source

Asteroseismology of ZZ Ceti stars with fully evolutionary white dwarf models, I: The impact of tthe uncertainties from prior evolution on the period spectrum [PDF]

open access: yes, 2017
Context. ZZ Ceti stars are pulsating white dwarfs with a carbon-oxygen core build up during the core helium burning and thermally pulsing Asymptotic Giant Branch phases.
Althaus, Leandro Gabriel   +4 more
core   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

New insights into the chemistry of thiolate-protected palladium nanoparticles [PDF]

open access: yes, 2012
This paper establishes the chemical nature of Pd nanoparticles protected by alkanethiolates that were prepared through a ligand place-exchange approach and the two-phase method, first developed for Au nanoparticles by Brust and Schiffrin.
Amaya, Edgar Gilberto   +11 more
core   +2 more sources

Primeros datos arqueométricos sobre la metalurgia del poblado y necrópolis de Calvari del Molar (Priorat, Tarragona)

open access: yesTrabajos de Prehistoria, 2005
La presencia de materiales fenicios en el curso del río Ebro se ha relacionado con su interés hacia los recursos mineros del nordeste peninsular en general y del área Molar- Bellmunt-Falset en particular, pero hasta la fecha esta propuesta no había sido ...
Xosé-Lois Armada Pita   +5 more
doaj   +1 more source

Inducing pinning states and localized patterns in a monolayer of laterally attracting adatoms [PDF]

open access: yes, 2017
The so-called "entropic mechanism" for ordering noise-induced phase transitions has been formerly used to stabilize nanopatterns in a realistic model for a monolayer of laterally interacting adsorbates.
Deza, Roberto Raul   +1 more
core   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

Los reales de minas de la caja de Guadalajara durante el siglo XVIII: Circuitos comerciales y producción de plata

open access: yesRevista de Indias, 2011
Este artículo da a conocer la importancia económica que tuvo un conjunto de reales de minas que perteneció a la jurisdicción de la caja de Guadalajara. Es novedoso porque por primera vez son estudiados aquéllos que la historiografía local ha considerado ...
C. René de León Meza
doaj   +1 more source

El prestigio de los objetos: mangos de marfil en el mundo ibérico

open access: yesZephyrus, 2020
El estudio se centra en una serie de mangos de marfil de características morfotécnicas similares, recuperados en espacios de hábitat y funerarios ibéricos y datados entre el s. IV y el s. II a. C.
Consuelo Mata Parreño   +5 more
doaj   +1 more source

Plata Quemada

open access: yesLiteratura e Autoritarismo, 2003
There is a moment, about a half-hour into Marcelo Piñeyro's Plata Quemada (2000), of really quite pure tragic dimensions. I use the word "tragic" advisedly, not in its overused sense of "pathetic" or "unfortunate," nor to capture the inevitable violence and death that stalks all human existence. Rather, I use it in the sense of classical Greek drama to
openaire   +2 more sources

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