Results 11 to 20 of about 2,015 (213)

Correlación y geocronología Ar-Ar del basamento Cretácico y el relleno sedimentario Eoceno superior - Mioceno (Aquitaniano inferior) de la cuenca de antearco de Tumaco, SW de Colombia

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
El registro geológico de los Andes del Norte incluye una serie de bloques alóctonos de origen oceánico que fueron acrecionados a la margen continental durante el Cretácico Tardío y el Cenozoico.
Sebastián Echeverri   +5 more
doaj   +1 more source

Intracranial Gliofibroma: A Case Report and Review of the Literature

open access: yesCase Reports in Pathology, 2014
Gliofibroma is a rare tumor with biphasic morphology, commonly occurring in the first two decades of life. Currently, the tumor is not listed as a distinct entity in the current World Health Organization (WHO) classification of central nervous system ...
Patricia Gargano   +2 more
doaj   +1 more source

Validation of a low cost model for training retrocecal laparoscopic appendectomy

open access: yesJournal of Pediatric Surgery Open
Background: Laparoscopic appendectomy is one of the most common general surgical procedures, often performed by junior residents. Training programs using inanimate bench models have shown to contribute to skills development, but require validation to ...
Alejandra Georgina Falcioni   +5 more
doaj   +1 more source

TOMOGRAFÍA SÍSMICA DE REFRACCIÓN APLICADA A HIDROGEOLOGÍA EN EL RINCÓN DE SANTA MARÍA

open access: yesTecnociencia, 2022
La comunidad de El Rincón, en la provincia de Herrera, utiliza las aguas subterráneas como principal fuente de suministro de agua potable y para sus actividades agroindustriales.
Humberto Edward   +9 more
doaj  

Maize Kernel Composition and Morphology Influences Pericarp Retention During Nixtamalization

open access: yesCereal Chemistry, EarlyView.
Abstract Background and Objectives Pericarp retention during nixtamalization directly influences masa quality, affecting texture, machinability, and nutritional content of staple foods such as tortillas and chips. Despite its industrial relevance, the underlying kernel traits that govern pericarp retention remain poorly characterized.
Michael J. Burns   +4 more
wiley   +1 more source

Clasificación de potenciales fuentes de abastecimiento subterráneas y subsuperficiales en Costa Rica

open access: yesTecnología en Marcha, 2019
El agua proveniente de fuentes de abastecimiento requiere de un tratamiento previo para su posterior distribución. La complejidad del proceso de potabilización va a depender de las propiedades fisicoquímicas y microbiológicas del agua.
Jimena Orozco-Gutiérrez
doaj   +1 more source

Venous blood lactate concentration as a predictor of intestinal viability in horses with acquired indirect inguinal hernia

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Acquired indirect inguinal hernia represents a life‐threatening emergency. Therapeutic decision‐making largely depends on intestinal viability, for which specific predictive parameters (such as venous lactate) have not been evaluated.
Raquel Rivero‐García   +8 more
wiley   +1 more source

Informe hidrogeológico de Cúcuta

open access: yesBoletín Geológico, 1982
Se realizaron las etapas de geología, geofísica, inventario y nivelación de fuentes de agua subterránea, perforaciones exploratorias, hidrogeoquímica, ensayos de acuífero y modelos matemáticos.
Jorge Hermes Carreño Baez
doaj   +1 more source

Two new species of Calea ser. Multiplinerviae (Asteraceae: Neurolaeneae) from Brazil

open access: yesNordic Journal of Botany, EarlyView.
Detailed studies of specimens from Rondônia and Mato Grosso do Sul showed that two new species have been misidentified: Calea micropappa resembles Calea pilosa, but differs by leaf apex obtuse to acuminate (versus acute), paleae present (versus paleae absent), disc corolla lobes 1.2–1.3 mm long (versus 0.7–0.8 mm), and pappus scales 0.1–0.25 mm long ...
Vinícius Resende Bueno   +2 more
wiley   +1 more source

Integrative approach for formation damage diagnosis in a Colombian brownfield: a comprehensive methodology

open access: yesDyna
Formation damage is the reduction of a well's productivity due to the alteration of the permeability of the subsurface rock, leading to economically inefficient operations. This research established a methodology to diagnose such damage, which is divided
Luis Felipe Rueda-Cortés   +6 more
doaj   +1 more source

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