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Exergetic analysis of a dual-fuel engine, PEM electrolyzer and thermoelectric generator integrated system
(2020-08-12)
In this research, the implementation of an integrated system composed of a dual-fuel engine (Diesel-Hydrogen), a PEM electrolyzer and a
thermoelectric generator is envisioned. In order to know the optimal operating ...
Método de control estadístico multivariante para valorar las dimensiones de calidad en una empresa de lavado de tanques industriales
(2020-10-01)
Esta investigación propone un método para valorar las dimensiones de calidad del servicio en una empresa
de lavado de tanques industriales, articulando una carta de control y un nuevo indicador de calidad
multivariante. ...
Demanda de servicios y posgrados de salud en la Región Caribe de Colombia y en Bogotá D.C.
(2022-02-06)
El objetivo de este estudio es analizar la importancia que tienen los programas formativos de posgrado en el área de la salud para la satisfacción de la demanda de servicios de salud en Colombia. Se comparan la oferta de ...
Desarrollo integral de procesos de adaptación al cambio en pequeñas y medianas empresas
(2020-10-01)
El presente estudio estuvo orientado al análisis del desarrollo integral de procesos de adaptación al cambio
en pequeñas y medianas empresas (pymes) de servicios tecnológico. Esta es una investigación descriptiva
no ...
Synthesis of 3-Aroyl-4-heteroarylpyrrole Derivatives by the Van Leusen Method
(2022-02-15)
The synthesis and structural diversification of N-heterocycles systems have attracted much
attention because of their potential applications. Three 6-aryl-3-methyl-1-phenyl-1H-pyrazolo[3,4-
b]pyridine-5-carbaldehyde 4 ...
Soil macrofauna, mesofauna and microfauna and their relationship with soil quality in agricultural areas in northern Colombia: ecological implications
(2022-07-15)
Soil fauna is an essential component of the soil ecosystem for maintaining nutrient
cycling and biological soil fertility. This study assessed the soil biodiversity (macrofauna,
mesofauna, and microfauna) to define ...
FT-NIR spectroscopy and RP-HPLC combined with multivariate analysis reveals differences in plant cell suspension cultures of Thevetia peruviana treated with salicylic acid and methyl jasmonate
(2020-08-10)
Plant cell suspension culture of T. peruviana is a feasible biotechnological platform for the production of
secondary metabolites with anti-proliferative/cytotoxic activity, as phenolic compounds (PC); however,
different ...
Removal of minocycline from high concentrated aqueous medium by nonliving and lipid-free Chlorella sp. biomass
(2021-12-16)
This work evaluated the removal of minocycline (MC) by the nonliving Chlorella sp. biomass (NLB) and modified by a lipid extraction procedure (LEB). Both biomasses have different morphology (NLB: globular-like; LEB: flakes ...
PRIMERA APROXIMACIÓN A LA FAUNA FLEBOTOMÍNEA (PSYCHODIDAE: PHLEBOTOMINAE) DEL DEPARTAMENTO DE ATLÁNTICO
(2019-09-26)
Dentro del género Lutzomyia algunas especies son vectores de la enfermedad llamada leishmaniasis, la cual tiene implicaciones en la
salud pública, desarrollando diferentes manifestaciones clínicas como leishmaniasis ...
Effect of the Gallium and Vanadium on the Dibenzothiophene Hydrodesulfurization and Naphthalene Hydrogenation Activities Using Sulfided NiMo-V2O5/Al2O3-Ga2O3
(2020-08-07)
The effect of Ga and V as support-modifier and promoter of NiMoV/Al2O3-Ga2O3 catalyst
on hydrogenation (HYD) and hydrodesulfurization (HDS) activities was studied. The catalysts
were characterized by elemental analysis, ...