Results 41 to 50 of about 381,647 (302)
La Esclerosis Múltiple (EM) es considerada de baja prevalencia en Colombia (1.48 a 4.98), es una enfermedad desmielinizante del SNC. Se ha sugerido que está influenciada por un componente étnico, relacionado con el origen caucásico de las poblaciones en ...
Wilmer A. Cárdenas +6 more
doaj
Early adversity and prosocial behavior in adolescents from Bogotá: a cross-sectional study
Background The association between Adverse Childhood Experiences (ACEs), prosocial behavior, and depression (like other negative mental health outcomes) has not been thoroughly understood.
Andrés Camilo Cardozo Alarcón +6 more
doaj +1 more source
Ein Cu‐Ni‐W‐Dreikomponenten‐Katalysator ermöglicht eine effiziente Umwandlung von Nitrat zu Ammoniak unter gepulster Elektrolyse. Kombinierte experimentelle und theoretische Studien führen seine Leistungsfähigkeit auf die Synergie der Komponenten und regulierte Zwischenprodukte zurück.
Christean Nickel +14 more
wiley +1 more source
Resumen: Se sintetizaron dos series diferentes de complejos de samario (III): Sm(o-Phen) (Ln)3 y Sm (bipy) (Ln)3 (n = 1-3; L1 = ácido l-aspártico, L2 = ácido l-glutámico, L3 = glicina) mediante métodos clásicos.
E. Cardozo +6 more
doaj
S. pneumoniae is a significant cause of community-acquired pneumonia in the elderly, and accounts for the majority of the pneumonia deaths among the elderly.
M. Teresa Valenzuela B. +7 more
doaj +1 more source
First record of dot-winged crake, Porzana spiloptera, durnford, 1877 (Rallidae) for the central Andes in Argentina [PDF]
Porzana spiloptera, the Dot-wing Crake, has a patchy distribution in southern South America and has previously been considered as inhabiting exclusively lowland wetlands.
Cuervo Bustamante, Pablo Fernando +2 more
core +1 more source
Dibenzazepin‐verbrückte Netzwerk‐Polymer‐Phthalocyanine als abbaubare heterogene Photokatalysatoren
Photodynamische Dibenzazepin‐Brücke wurde in Zink‐ und Kobalt‐Netzwerk‐Polymer‐Phthalocyanine (NP‐Pcs) eingeführt, um abbaubare heterogene Photokatalysatoren zu erhalten. Zum ersten Mal spielt die Bestrahlung mit Licht eine Schlüsselrolle beim „Design, der Verwendung und dem Abbau” von NP‐Pcs.
Erem Ahmetali +4 more
wiley +1 more source
The development of new technologies for environmental reparation has allowed the application of inexpensive alternatives such as bioremediation, which has a high potential to treat ecosystems polluted with hydrocarbons. Microalgae-bacteria consortia have
Daniela Mora-Salguero +4 more
doaj +1 more source
Influència de la sal en el desenvolupament tectònic de la Cordillera Oriental dels Andes de Colòmbia [PDF]
La presència de capes de sal en conques sedimentàries no sempre és fàcil d'observar a causa de processos geològics posteriors com ara la compressió. Un estudi recent ha trobat evidències d'antigues estructures salines a la regió de Guaitiquía, al front d'
Teixell Cácharo, Antonio
core +1 more source
Comment on Ricci Collineations of Static Spherically Symmetric Spacetimes [PDF]
We present a counter example to a theorem given by Amir {\em et al.} J. Math. Phys. {\bf 35}, 3005 (1994).
G. Contreras +6 more
core +3 more sources

