Results 31 to 40 of about 35,415 (200)
Boletín Geológico, 2006 El Complejo Volcánico Cerro Bravo-Cerro Machín, localizado entre los departamentos de Caldas, Risaralda, Quindío y Tolima, tiene un área aproximada de 2.000 km2 y, de norte a sur, está conformado por el volcán Cerro Bravo, los volcanes del Parque ...
Claudia Alfaro Valero +1 more
doaj +1 more source
Geofísica Internacional, 2009 Se presenta un estudio detallado de la composición isotópica y química (elementos mayores y traza) del lago cratérico, Soap Pool y de los manantiales termales del Volcán Chichón para el período comprendido entre noviembre de 2006 y octubre de 2007 ...
D. Rouwet +9 more
doaj +1 more source
Spring water and CO2 interaction at Popocatépetl volcano, Mexico
Geofísica Internacional, 2002 Se presentan los resultados del monitoreo de HCO - y pH en manantiales del volcán Popocatépetl durante seis años del actual periodo eruptivo. Los pequeños picos en HCO - y P en manantiales se asocian a ascensos de pulsos pequeños de magma en el ...
A. L. Martin-Del Pozzo +4 more
doaj +1 more source
Bio-active glass coatings manufactured by thermal spray: a status report
Journal of Materials Research and Technology, 2019 Superficial modification of implants via the incorporation of biocompatible coatings is an attractive option in biomedicine because of the positive attributes associated with bioactive materials.
John Henao +4 more
doaj +1 more source
Tecnología 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
Geotourism and local development based on geological and mining sites utilization, zaruma-portovelo, Ecuador [PDF]
, 2018 This study offers a detailed assessment of the geosites and mining sites present in the Zaruma-Portovelo mining district (Ecuador) through their qualitative and quantitative assessment.
Berrezueta Alvarado, Edgar Raul +5 more
core +3 more sources
International Journal of Corrosion, Volume 2014, Issue 1, 2014., 2014 The thermal spraying process is a surface treatment which does not adversely affect the base metal on which it is performed. The coatings obtained by HVOF thermal spray are employed in aeronautics, aerospace, and power generation industries. Alloys and coatings designed to resist oxidizing environments at high temperatures should be able to develop a ...
J. A. Cabral-Miramontes +6 more
wiley +1 more source
Revista Iberoamericana de Bioeconomía y Cambio Climàtico, 2016 El presente tuvo la finalidad de ampliar el conocimiento hidrogeoquímico del acuífero en la zona de la subcuenca del río Acahuapa, en el departamento de San Vicente. Se recolectaron muestras de 10 puntos en las aguas superficiales de la red hídrica de la
Edgar Antonio Marinero-Orantes +3 more
doaj +1 more source
International Scholarly Research Notices, Volume 2012, Issue 1, 2012., 2012 The hardness and wear behavior properties of two C 18000 copper alloys with variations in Ni, Si, and Cr concentrations, both within the range of C18000 chemical analysis standard, were studied after the alloy samples had been prepared by melting and casting in sand molds and then heat‐treated in solution using two‐stage aging for different heating ...
Ramon Osorio-Galicia +5 more
wiley +1 more source
Comparison between standard and drift reducing nozzles for pesticide application in citrus: Part I. Effects on wind tunnel and field spray drift [PDF]
, 2017 The objective of this study was to evaluate and to compare spray drift potential and field spray drift from pesticide application in citrus orchards carried out mainly comparing standard nozzles with drift reducing nozzles. Two different standard nozzles
Abad, Raquel +7 more
core +2 more sources