Results 131 to 140 of about 488,094 (231)

Los primeros estudios sobre la geología de Almadén [PDF]

open access: yes, 1988
Se analiza la evolución de los conocimientos geológicos sobre Almadén, de acuerdo con el desarrollo histórico de las ciencias de la Tierra, hasta mediados del siglo ...
Puche Riart, Octavio
core   +1 more source

Slab melting boosts the mantle wedge contribution to Li-rich magmas

open access: yesScientific Reports
The lithium cycling in the supra-subduction mantle wedge is crucial for understanding the generation of Li-rich magmas that may potentially source ore deposition in continental arcs.
Erwin Schettino   +9 more
doaj   +1 more source

Atomic species in the spectrum of the Hg-Mn star HD53244 [PDF]

open access: yes, 2010
Presentamos la identificación de líneas del espectro de la estrella Bp de Hg–Mn HD 53244 (γCMa) en el intervalo espectral λλ3700 – 6700 Å. Este objeto es miembro del cúmulo abierto austral Cr 121.
Levato, Orlando Hugo   +2 more
core  

Por unas ciencias ambientales y unas ciencias de la tierra

open access: yes, 1998
Earth and Environmental Sciences are analysed in criticism form. A differentiation of Environmental Sciences and Earth Sciences as different subjects is proposed. In the case of Environmental Sciences, a «taxonomy» of contents is included with the purpose of facilitating the programme of the subject. Environmental Sciences should be a trunk subject for
openaire   +2 more sources

Correction to : Synthesis, and evaluation of photophysical properties of a potential DPP-derived photosensitizer for photodynamic therapy with D-A-D architecture. [PDF]

open access: yesJ Mater Sci Mater Med
Escalona Hernández V   +4 more
europepmc   +1 more source

La enseñanza de las ciencias de la Tierra como mecanismo de reinserción social

open access: yes, 2022
This is an educational research paper that aims to examine, characterize, as well as provide feedback on the level of studies on earth science and the geological-natural patrimony of the members of the FARC-EP in Mesetas Meta, it also aims to provide a guide to enrich such knowledge and achieve and appropriation and identity with the territory.
openaire   +1 more source

Estructura lógica y estructura psicológica de las Ciencias de la Tierra

open access: yes, 1988
A review of the trends on scientific apprenticeship theories is made in this paper and variants of constructivist models and their implication's on Earth Sciences education are conunented. In every conductist or constructivist model is necessary to build the logical structure of the matters and investigate how this logical support becomes apparent in ...
Lillo Beviá, José   +1 more
openaire   +1 more source

The first record of the ectoparasite fly <i>Carnus hemapterus</i> for the Southern Hemisphere. [PDF]

open access: yesInt J Parasitol Parasites Wildl
Orozco-Valor PM   +2 more
europepmc   +1 more source

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