Results 1 to 10 of about 386,439 (207)

ELECTROQUIMIENERGÍA Y CAMBIO CLIMÁTICO: UNA REVISIÓN

open access: yesinfoANALITÍCA, 2022
La situación actual que se vive requiere de una adicional y urgente atención por parte de las Ciencias, Ingenierías y Tecnologías para control ambiental, climático, sanitario, por el bienestar y para la vida en el planeta.
Jairo Márquez P.   +5 more
doaj   +1 more source

Bibliografía de Gerardo Reichel – Dolmatoff

open access: yesRevista Colombiana de Antropología, 1991
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Universidad de los Andes
doaj   +1 more source

Expression of Fluorescent Genes in Trypanosoma cruzi and Trypanosoma rangeli (Kinetoplastida: Trypanosomatidae): Its Application to Parasite-Vector Biology [PDF]

open access: yes, 2005
Two Trypanosoma cruzi-derived cloning vectors, pTREX-n and pBs:CalB1/CUB01, were used to drive the expression of green fluorescent protein (GFP) and DsRed in Trypanosoma rangeli Tejera, 1920, and Trypanosoma cruzi Chagas, 1909, isolates, respectively ...
Abreu Blanco, Maria Teresa   +9 more
core   +1 more source

Timing of the magmatism of the paleo-Pacific border of Gondwana: U-Pb geochronology of Late Paleozoic to Early Mesozoic igneous rocks of the north Chilean Andes between 20° and 31°S [PDF]

open access: yes, 2014
Indexación: Web of Science; ScieloABSTRACT. U-Pb zircon geochronological data provide record of about 130 Ma of igneous activity in the Andes of northern Chile, which extended episodically from the latest Early Carboniferous to Early Jurassic (328-194 Ma)
Maksaev, Víctor   +2 more
core   +1 more source

Riesgo sísmico, geotécnico y estructural. El caso de estudio de los edificios San Jerónimo de Yuste en Bogotá

open access: yesInformes de la Construccion, 2018
El conjunto residencial San Jerónimo de Yuste se encuentra ubicado en Bogotá, en un terreno inclinado en el pie de monte de los cerros orientales de la ciudad.
J. M. Medina   +6 more
doaj   +1 more source

Secado de Pinus caribaea var. hondurensis utilizando radiación de microondas

open access: yesTecnología en Marcha, 2022
Se desarrolló una metodología de secado para Pinus caribaea var. hondurensis, empleando horno de microondas doméstico (HMO), consistente de pulsos de radiación y períodos de enfriamiento, que consume 92% menos energía y 58% menos tiempo.
Simón E. Luckert Froget   +4 more
doaj   +1 more source

Sedimentología y vertebrados fósiles de la Formación Santa Cruz (Mioceno temprano) en Lago Posadas, suroeste de Patagonia, Argentina [PDF]

open access: yes, 2019
Lago Posadas se ubica al pie de los Andes Patagónicos Australes, en el suroeste de Argentina, donde la Formación Santa Cruz (FSC) del Mioceno temprano muestra afloramientos potentes y lateralmente continuos.
Aramendía, Inés   +3 more
core   +2 more sources

A New ent-kaurene Diterpenoid Isolated from Leaves of Espeletia semiglobulata Cuatrec. and its Potential Antimicrobial Activity

open access: yesBiology, Medicine & Natural Product Chemistry, 2023
The fraction of the neutral extraction of the leaves of Espeletia semiglobulata Cuatrec. was subjected to chromatographic separation, it yielded four ent-kaurene type diterpenoids: three known [ent-kaur-16-en-19-al (I), ent-kaur-18-nor-16-en-4-ol (III ...
Andrés Eduardo Márquez   +6 more
doaj   +1 more source

Evidence of Quaternary tectonics along Río Grande valley, southern Malargüe fold and thrust belt, Mendoza, Argentina [PDF]

open access: yes, 2019
The Malargüe fold and thrust belt is developed in the Argentinian Andes between 34° and 37° S, through the tectonic inversion of Upper Triassic and Lower Jurassic depocenters of the Neuquén Basin, with an uplift history since the Cretaceous.
Colavitto, Bruno   +4 more
core   +1 more source

Load demand profile for a large charging station of a fleet of all-electric plug-in buses

open access: yesThe Journal of Engineering, 2014
This study proposes a general procedure to compute the load demand profile from a parking lot where a fleet of buses with electric propulsion mechanisms are charged.
Mario A. Rios   +5 more
doaj   +1 more source

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