Results 51 to 60 of about 508,443 (311)

Montology: A Transformative Frame for the Future of Education About Mountains

open access: yesMountain Research and Development, 2020
ontology, the transdisciplinary science of mountains, applied to education incorporates several pedagogical approaches that could be used to energize the transformative change from sustainable to regenerative development from different perspectives.
Fausto O. Sarmiento   +2 more
doaj   +1 more source

Book review: Extension in the Andes: An evaluation of official U.S. assistance to agricultural extension services in Central and South America [PDF]

open access: yes, 2017
Draft of book review: Extension in the Andes: An Evaluation of Official U.S.
Seidman, Ann
core  

Multiregional Satellite Precipitation Products Evaluation over Complex Terrain [PDF]

open access: yes, 2016
An extensive evaluation of nine global-scale high-resolution satellite-based rainfall (SBR) products is performed using a minimum of 6 years (within the period of 2000-13) of reference rainfall data derived from rain gauge networks in nine mountainous ...
Anagnostou, E   +18 more
core   +5 more sources

Zweidimensionale Polymere als modulare metallfreie Festkörperkatalysatoren für die effiziente sono‐piezo‐photokatalytische Wasserstoffperoxidherstellung

open access: yesAngewandte Chemie, EarlyView.
Diese Studie demonstriert die hohe piezo‐photokatalytische Aktivität von festen molekulare Katalysatoren (Englisch: Solid Molecular Catalysts, SMCs) bei der Produktion von Wasserstoffperoxid aus Wasser und Sauerstoff. Durch den rationalen Entwurf der molekularen Motive (Diphenylpyridin oder Terpyridin) sowie der Rückgratfunktionalitäten (Methylgruppe ...
Sarah Brettschneider   +7 more
wiley   +1 more source

Religión, género y construcción de una sexualidad en los Andes (Siglos XVI y XVII). Una acercamiento provisional

open access: yesRevista de Indias, 2001
El estudio busca enfatizar los cambios conceptuales que se produjeron en torno al sexo, la sexualidad, y, en términos generales, en las relaciones de género en los Andes en los siglos XVI y XVII, en un contexto de establecimiento de la sociedad colonial.
Fernando Armas Asin
doaj   +1 more source

Scaffolding Problem Solving with Embedded Examples to Promote Deep Learning [PDF]

open access: yes, 2007
This study compared the relative utility of an intelligent tutoring system that uses procedure-based hints to a version that uses worked-out examples. The system, Andes, taught college level physics.
Ringenberg, Michael Aleksandr
core   +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

MagNanoTrap‐Anreicherung ermöglicht ultrasensitive Quantifizierung gemischter Nanoplastikpartikel aus Umweltwasserproben

open access: yesAngewandte Chemie, EarlyView.
Fe3O4‐Nanopartikel, beschichtet mit dem bifunktionalen Peptid LCI‐DZ‐MBP1, wobei LCI an die Eisenoxidoberfläche bindet und MBP1 als universelles kunststoffbindendes Peptid fungiert, ermöglichen in Kombination mit Pyrolyse‐Gaschromatographie/Massenspektrometrie (Py‐GC/MS) eine effiziente Anreicherung sowie eine präzise Detektion und Quantifizierung ...
Maochao Mao   +5 more
wiley   +1 more source

La alta montaña de los Andes del norte: el páramo, un ecosistema antropogénico

open access: yesPirineos: Revista de Ecología de Montaña, 2008
Las características actuales de los páramos colombianos se relacionan estrechamente con la presencia humana; la historia de esta relación, sustentada en evidencias de estudios climatológicos, palinológicos y cartográficos, sugiere interesantes ...
L. F. Varela
doaj   +1 more source

Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 31., the Andean Daltonia latolimbata Broth. in Herzog in Africa [PDF]

open access: yes, 1996
Daltonia latolimbata Broth. described in 1916 from the Bolivian Andes occurs also in the high African mountains, consequently is an Andean-Afroalpine ...
Kis, Gabriella
core  

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