Results 11 to 20 of about 606,426 (196)
Self-assembly and Lateral Cobalt Coordination of a Fivefold Symmetric Cyanostar Macrocycle on an Au(111) Surface. [PDF]
ChemistryHerein, we report the first example of the formation of a close‐packed, regular 2D monolayer of a fivefold symmetric cyanostar macrocycle on an Au(111) surface under ultra‐high vacuum and the structural modification of such self‐assembled architecture upon cobalt atom deposition.
Černá L +11 more
europepmc +2 more sources
π‐Enlargement in Porphyrin Macrocycles at Interfaces
Angewandte Chemie, EarlyView.On‐surface synthesis of a 20‐π free‐base expanded porphyrin, by depositing onto a hot Ag(111) substrate an 18‐π free‐base precursor equipped with ‐CF3 functional groups ABSTRACT Porphyrins are essential heteroatomic macrocycles, fundamental to both biological systems and advanced technology.
Ana Barragán +11 more
wiley +2 more sources
Psicologia USP, 2015 O estudo é uma pesquisa qualitativa e colaborativa que tem o objetivo de compreender o processo de construção dos conceitos de Matemática dos estudantes por meio de atividades de investigação, pois pesquisas apontam que essas atividades mobilizam os ...
Aline Silva de Bona +1 more
doaj +1 more source
Actualidades Investigativas en Educación, 2009 Este documento presenta una reseña histórica de la Red Interinstitucional para la Niñez de Costa Rica (RIN), organización constituida por diferentes instancias gubernamentales y no gubernamentales involucradas con la niñez del país, la cual s coordinada
Jeanneth Cerdas Núñez
doaj +1 more source
Currículums, requeriments institucionals i llibres de text en Educació Bàsica a Xile
Didacticae, 2018 Sovint s’ha dit que els llibres de text són la materialització del currículum a l’aula, però les investigacions sobre els llibres de text d’història a l’Amèrica Llatina s’han centrat fonamentalment en la construcció de discursos, quedant-ne els aspectes ...
Isidora Sáez-Rosenkranz, Monika Popow
doaj +1 more source
Food Chemistry International, EarlyView.Healthy snacks formulated with food by‐products are gaining interest within the food industry. Decoction residues of Hibiscus sabdariffa (roselle) retain thermostable polyphenols. Extruded snacks enriched with roselle showed a reduction in the expansion index as the roselle concentration increased.
Monserrat Hernández‐Bautista +3 more
wiley +1 more source
Revue Internationale Animation, Territoires et Pratiques Socioculturelles, 2021 Fondée sur la psychologie socioculturelle et sur l’articulation autour des notions de sens et de signification, l’étude, l’étude investigue les pratiques du Centre socioculturel de Prélaz-Valency à Lausanne (Suisse) en regard de la participation des ...
Franco De Guglielmo
doaj +1 more source
People and Nature, EarlyView.Abstract Pastoral practices remain a widespread economic activity across European mountain regions. However, the viability of this activity may be threatened by the recovery of large wild vertebrates associated with passive rewilding, leading to the so‐called human–wildlife conflicts.
P. Acebes +4 more
wiley +1 more source
Las asociaciones de inmigrantes africanos. Organización, proyección y actuaciones
Revista Internacional de Sociología, 2013 El asociacionismo de personas de origen extranjero ha crecido de forma notable desde los años 90 y, especialmente, desde los 2000, influenciado por los intereses de estas personas pero también por el contexto social, político e institucional que lo ha ...
Jordi Garreta Bochaca +1 more
doaj +1 more source
People and Nature, EarlyView.Abstract Human‐wildlife conflicts (HWCs) are one of the most critical conservation challenges worldwide. Large carnivores are frequently at the centre of these conflicts because of the perceived and real threats they pose to livestock and human safety.
Esperanza C. Iranzo +10 more
wiley +1 more source