Results 1 to 10 of about 866 (98)

Primer análisis de la cronología obtenida en el sitio Choya 68 (Depto. de Capayán, Provincia de Catamarca, Argentina) [PDF]

open access: yesEstudios Atacameños, 2002
Choya 68 es un sitio ceremonial, con una estructura monticular y en sus adyacencias amplias superficies preparadas y estructuras de paredes de piedra cuadrangulares y rectangulares.
Marta Baldini   +8 more
doaj   +15 more sources

Morphometric analyses and new taxonomic circumscription of South American species of Flourensia (Asteraceae, Heliantheae, Enceliinae) [PDF]

open access: yes, 2018
Flourensia (Asteraceae, Heliantheae, Enceliinae) is an amphitropical genus of resinous subshrubs, shrubs and small trees with 13 North American and 20 South American species among which disagreement on the species limits of some members still exists.
Aagesen, Lone   +3 more
core   +1 more source

Scale and structure of time-averaging (age mixing) in terrestrial gastropod assemblages from Quaternary eolian deposits of the eastern Canary Islands [PDF]

open access: yes, 2007
Quantitative estimates of time-averaging (age mixing) in gastropod shell accumulations from Quaternary (the late Pleistocene and Holocene) eolian deposits of Canary Islands were obtained by direct dating of individual gastropods obtained from ...
Torres Pérez-Hidalgo, Trinidad José
core   +2 more sources

Customs, rights and identity. Adivasi women in Eastern India [PDF]

open access: yes, 2015
This article traces the trajectory of the changing lives of adivasi women of eastern and central India, i.e., the erstwhile Chotanagpur Division and the Santal Parganas of the Bengal Presidency under colonial times, and which is today incorporated ...
DAS GUPTA, Sanjukta
core   +1 more source

Circulation of capital and division of labour: Financial network’s reorganization and bank system’s reestructuration in Argentina (1991-2008) [PDF]

open access: yes, 2014
Operando a partir de una lógica coherente e instrumental, las redes forman sistemas que, permitiendo la circulación del capital, presiden la reproducción y evolución del espacio geográfico, fracturando a cada país en hombres rápidos y lentos, en áreas ...
Gomez Lende, Sebastian
core   +1 more source

Dry reforming of methane over sub-stoichiometric NiAl2O4-mediated Ni/Al2O3 catalysts [PDF]

open access: yes, 2023
A series of Ni/Al2O3 catalysts were prepared from substoichiometric NiAl2O4 precursors (Ni/Al molar ratio between 0.5 and 0.05) were examined for the dry reforming of methane.
Choya Atencia, Andoni   +4 more
core   +1 more source

Late Miocene to early Pliocene biofacies of Wanganui and Taranaki Basins, New Zealand: Applications to paleoenvironmental and sequence stratigraphic analysis [PDF]

open access: yes, 2004
The Matemateaonga Formation is late Miocene to early Pliocene (upper Tongaporutuan to lower Opoitian New Zealand Stages) in age. The formation comprises chiefly shellbeds, siliciclastic sandstone, and siltstone units and to a lesser extent non-marine and
Beu A. G.   +42 more
core   +2 more sources

Comprehensive analysis and optimal design of top-emitting organic light-emitting devices [PDF]

open access: yes, 2007
We present an accurate analysis of light emission in top-emitting organic light-emitting devices (TOLEDs) by explicitly considering the Purcell effect.
Chen, XW, Choy, WCH, Chui, PC, He, S
core   +1 more source

Posthumna oplodnja - život posle smrti? [PDF]

open access: yes, 2023
This paper reviews the issue of posthumous reproduction at the international and domestic levels. The overview covers the legal systems of the United Kingdom, as a country that allows posthumous reproduction, and France, as a country that prohibits ...
Barać, Ivana
core   +1 more source

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