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Synthesis and characterization of the oxide nanoparticles obtained by the polymeric precursor method
(Journal of Physics: Conference Series, 2016-02-12)
Niobium pentoxide (Nb2O5) nanoparticles were prepared by the polymeric precursor method using citric acid as a chelating agent and ethylene glycol as a polymerizing agent. The powders obtained were characterized by X-ray ...
The use of mobile phones for the prevention and control of arboviral diseases: a scoping review
(BMC Public Health, 2021-01-09)
Background: The rapid expansion of dengue, Zika and chikungunya with large scale outbreaks are an increasing
public health concern in many countries. Additionally, the recent coronavirus pandemic urged the need to ...
Determinación del ángulo de Inclinación óptimo del módulo fotovoltaico basado en medidas para la Ciudad de Cúcuta
(Universidad Francisco de Paula Santander, 2020-02-02)
Las tecnologías de energía solar fotovoltaica juegan un papel importante en el desarrollo sostenible de las ciudades, desde los procesos de las industrias o empresas, se lograr reducir el impacto ambiental negativo producido ...
El maestro de filosofía al rescate de una educación filosófica en la escuela
(Magistro, 2014-11-15)
Esta revisión de tema, trata sobre la pérdida de relevancia de la educación filosófica en la escuela actual, una pérdida que se evidencia en aspectos como, el reducido tiempo para esta disciplina, lo poco importante que
el ...
La politica fiscal como herramienta dinamizadora del sector secundario manufactura e industria
(Revista Espacios, 2016)
El artículo es resultado de una investigación sobre Política fiscal y crecimiento económico del sector secundario en Cúcuta (Colombia). Se percibe la ausencia de una política fiscal acorde con la realidad en la zona de ...
Effect of Calcination Temperature on the Behavior of the Agglomerated Co3O4 Nanoparticles Obtained Through the Sol–Gel Method
(Journal of Inorganic and Organometallic Polymers and Materials, 2020-07-31)
gglomerates of Co3O4 were obtained using the sol–gel method for the synthesis with subsequent calcination of the samples up to 550 °C. Through X-rays it was observed that the samples presented the pure spinel phase with a ...
Comparative evaluation of the physical, mechanical and thermal properties of traditional H10 and H15 red clay blocks manufactured by the ceramic industry from San José de Cúcuta, Colombia
(Journal of Physics: Conference Series, 2019-11-19)
The traditional blocks of baked clay represent 15% of the total production of the
ceramics cluster in the Norte de Santander region, with a product typology whose dimensions,
shape, weight and price are the most demanded ...
Evaluation of preliminary plant design for Chlorella vulgaris microalgae production focused on cosmetics purposes
(Journal of Physics: Conference Series, 2020-11-04)
. Although there are currently different large-scale microalgae production systems, its
performance is subject to high production cost problems. That is why the main goal of this
research is analyzing the feasibility of ...
Variability of live loads computed from the analysis of internal forces produced during service life of dwellings
(Journal of Physics: Conference Series, 2020-12-05)
In the field of civil engineering, live loads are related to the use of the floors of buildings and dwellings. Live loads are produced by weight of people and furniture. Such loads generate internal physical effects such ...
Probability parameters and estimated firestone abbott plateau honing curves
(Contemporary Engineering Sciences, 2018-09-12)
This paper developed a methodology for estimating Abbott-Firestone curves from
the roughness parameters of the material probability curves. The surface
roughness profile obtained in plateau-honing processes is the ...