Results 21 to 30 of about 184,568 (309)

Estudio sedimentar10 del neogeno de la subcuenca de Alcolea de Calatrava (Ciudad Real, España)

open access: yesEstudios Geologicos, 2002
La subcuenca de Alcolea de Calatrava (Ciudad Real, España) se compone exclusivamente de depósitos neógenos y cuaternarios, consistentes los primeros en sedimentos detríticos, palustres y laguneros, marcadamente influenciados por el vulcanismo de la ...
G. Sainz Nergaard, A. Díez Ruiz
doaj   +1 more source

Aportes al estudio de procesos postdepositacionales en el ámbito lagunar. Sitio Arturo 4 (norte de Tierra del Fuego)

open access: yesRevista del Museo de Antropologia, 2020
En este trabajo se presentan los resultados del análisis tafonómico de artefactos líticos recuperados en el sitio Arturo 4 y se exploran alternativas para comprender los procesos que intervinieron en su formación.
Jimena Oria   +2 more
doaj   +1 more source

Variación de los índices de saturación en función del calculo de coeficientes de actividad. su aplicación a las fases mineralogicas de las lagunas de Monegros (Zaragoza, España)

open access: yesEstudios Geologicos, 1991
La aplicación de los códigos de especiación WATEQ4F y SOLMINEQ.88 a los datos del sistema natural de la laguna de La Playa en Los Monegros (Zaragoza) proporcionados por autores previos, ha servido para contrastar distintas opciones de cálculo.
L. Garcés   +4 more
doaj   +1 more source

After Barth: The Mexican Calós’s lived identity [PDF]

open access: yes, 2019
The reasons for adopting a problem in terms of the survival of a Roma anthropological and historical system are not factual, but theoretical. This text analyses some dimensions of this system in relation to cultural identity, an idea that is close but ...
Lagunas Arias, David
core  

Investigation of activation cross-sections of proton induced nuclear reactions on natTl up to 42 MeV: review, new data and evaluation

open access: yes, 2013
Cross-sections of proton induced nuclear reactions on natural thallium have been studied for investigation of the production of the medical important 201Tl diagnostic radioisotope.
Adam-Rebeles, R.   +7 more
core   +1 more source

Cross-coupled doa trackers [PDF]

open access: yes, 1997
A new robust, low complexity algorithm for multiuser tracking is proposed, modifying the two-stage parallel architecture of the estimate-maximize (EM) algorithm.
Kirlin, R L   +2 more
core   +2 more sources

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

The Spanish Gitanos of Mexico City: Rhythmicity, Mimesis and Domestication of the Payos [PDF]

open access: yes, 2018
This text addresses a tentative approach to groups in Mexico such as the Roma, who remain poorly known. The analysis focuses on problematizing the particular cultural and economic reproduction strategies of an urban group of Gitanos (Calós) in Mexico ...
Lagunas Arias, David
core  

Corals and Reef‐Dwelling Fish Regulate Carbon Storage and Cycling Processes in Coral Reef Ecosystems

open access: yesAdvanced Science, EarlyView.
Coral reefs are biodiversity hotspots, yet their role in carbon storage and cycling remains poorly understood. Using field surveys and modeling in the South China Sea, we reveal the overlooked potential of carbon storage in reef ecosystems and how reef fish, corals, and surface sediment jointly shape reef carbon reservoirs.
Yiting Chen   +8 more
wiley   +1 more source

Identificación, clasificación y cartografía de los cuerpos de agua y manantiales en el sitio Ramsar (1981), Baño de San Ignacio, municipio de Linares, Estado de Nuevo León, México

open access: yesTerra Digitalis
Los humedales generalmente se relacionan directamente con el agua subterránea, que constituye la principal fuente para los ecosistemas terrestres dependientes de sus descargas naturales en la superficie.
Jerjes Rigoberto Pantoja-Irys   +7 more
doaj   +1 more source

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