Results 51 to 60 of about 2,205 (179)
Journal of Chemistry, Volume 2026, Issue 1, 2026.The novel complex cesium benzilate monohydrate, Cs[C14H11O3]·H2O, was synthesized via the reaction of benzilic acid and cesium carbonate, and high‐purity single crystals were obtained by slow aqueous solvent evaporation. Powder X‐ray diffraction validated the crystalline phase purity.
Gerzon E. Delgado +9 more
wiley +1 more source
REPTILES DEL MUNICIPIO DE CÚCUTA (NORTE DE SANTANDER, COLOMBIA)
, 2011 Presentamos un listado taxonómico de las especies de reptiles del municipio de Cúcuta (Norte de Santander, Colombia), con base en registros hechos en campo, revisión de literatura y en información de dos colecciones herpetológicas. Registramos 34 especies de reptiles agrupadas en 2 órdenes, 13 familias y 31 géneros.
Armesto, Luis Orlando +3 more
openaire +2 more sources
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023 Three additional species of Eleutherodactylus are described from the Andean forests of the northern Cordillera Oriental. One belongs to the E. conspicillatus species group and appears to be related to the widespread E. wiligrum. Another resembles E. tubernasus in appearance but is related to other frogs found in the Central and Occidental cordilleras ...
openaire +1 more source
Fisheries Management and Ecology, Volume 32, Issue 6, Page 456-468, December 2025.ABSTRACT The smoothtail spiny lobster (Panulirus laevicauda) is one of the main target species for fisheries in Brazil. We aimed to estimate reproductive parameters of this species in support of a minimum legal size limit for the region. A sample of 508 individuals ranged 13.75–100 mm in cephalothorax length (CL) from the southern coast of Espírito ...
Andressa C. M. de Melo +5 more
wiley +1 more source
MedUNAB, 2013 El consumo de cigarrillo es un problema actual de salud pública, el cual es responsable de una parte importante de la carga de morbilidad y mortalidad en momentos actuales.
Javier Martínez Torres +6 more
doaj
In vitro DISSOLUTION OF ACIDULATED ROCK PHOSPHATE BY PHOSPHATE SOLUBILIZING MICROORGANISMS
Acta Biológica Colombiana, 2015 The low availability of phosphorus (P) in the soil and the high cost of P fertilization are factors that limit agricultural productivity. A biotechnological alternative for to handle this problem is to use soil microorganisms capable of dissolving rock ...
Ángela Patricia Moreno Quevedo +2 more
doaj +1 more source
Economic Drivers of Food Security in Latin America: A Composite Indicator Analysis
Sustainable Development, Volume 33, Issue S1, Page 1078-1090, November 2025.ABSTRACT This study explores agrifood security in Latin America and the Caribbean using a composite indicator based on FAO data from 2002 to 2022. Regression and cluster analyses were used to identify influential variables and regional patterns. The results reveal significant variability between countries, with Puerto Rico leading and Haiti trailing ...
Nathalie Hernández‐Pérez +3 more
wiley +1 more source
Revista Chilena de Obstetricia y GinecologíaIntroducción: Los defectos de la pared abdominal son un grupo de enfermedades producto de la afectación del desarrollo embrionario de la región abdominal, los reportes de la prevalencia a nivel mundial en las últimas décadas muestran una tendencia ...
Pablo A. Galvis +4 more
doaj +1 more source
Corrupción y contrabando en la frontera Norte de Santander (Colombia) y Táchira (Venezuela)
Revista de Ciencias Sociales, 2019 Toda frontera representa para los Estados, un beneficio y un problema. La frontera oriental colombiana y occidental venezolana está afectada por corrupción y contrabando intensivo.
Rina Mazuera-Arias +3 more
doaj
Revista PerspectivasEl artículo analiza cómo los conflictos armados desafían a las sociedades y la negociación es una solución para terminar las hostilidades. Destaca la importancia de la reincorporación de excombatientes a la vida civil para evitar el retorno a la ...
Luis Armando Carreño Oñate +2 more
doaj +1 more source