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Optimization of Chitosan Glutaraldehyde-Crosslinked Beads for Reactive Blue 4 Anionic Dye Removal Using a Surface Response Methodology
(2021-01-25)
The use of dyes at an industrial level has become problematic, since the discharge of dye
effluents into water disturbs the photosynthetic activity of numerous aquatic organisms by reducing
the penetration of light and ...
Socioeconomic determinants that influence the agricultural practices of small farm families in northern Colombia
(2021-12-06)
Access to agricultural services promotes agricultural production and livelihoods of smallholders in most
developing countries. The purpose of this study was to analyze the socioeconomic determinants that
influence the ...
Factores contextuales que influyen en la intención emprendedora de estudiantes universitarios venezolanos y colombianos
(2021-09-04)
El emprendimiento se considera un área de investigación novedosa, recientemente ha tomado un gran auge, sobre todo como
instrumento de políticas gubernamentales destinadas a fomentar el crecimiento de la actividad económica. ...
Search for slow magnetic monopoles with the NOvA detector on the surface
(2021-01-05)
We report a search for a magnetic monopole component of the cosmic-ray flux in a 95-day exposure of the NOvA experiment’s Far Detector, a 14 kt segmented liquid scintillator detector designed
primarily to observe GeV-scale ...
Comparative Study of the Reaction Kinetics of Three Residual Biomasses
(2021-03-01)
Kinetic analysis for the combustion of three agro-industrial biomass
residues (coconut husk, corn husk, and rice husk) was carried out in order
to provide information for the generation of energy from them. The analysis
was ...
Methodological Approach to Improve Energy Efficiency by Concentrating Operation Points an Electrical Transformer Maintenance Company
(2021-05-28)
In recent years, companies have developed strategies to improve the environment through the efficient use of their energy resources (Rodríguez Toscano
et al., 2019). This practice has been widely used in the goods ...
Photophysical study and in vitro approach against Leishmania panamensis of dicloro-5,10,15,20-tetrakis(4- bromophenyl)porphyrinato Sn(IV)
(2021-11-08)
Background: Photodynamic therapy activity against different
biological systems has been reported for porphyrins. Porphyrin
modifications through peripheral groups and/or by metal insertion
inside the ring are main ...
A Generalized of Nörlund Ideal Convergent Double Sequence Spaces
(2021-10-29)
In this paper, by using the Nörlund mean Nt
and the notion of ideal double convergence, we introduce
new sequence spaces c
I2
0
(Nt
), cI2 (Nt
), and ℓ
I2∞(Nt
). Besides, we study some topological and algebraic ...
Diversity of longhorned beetles (Coleoptera: Cerambycidae) in the Caribbean region of Colombia: temporal variation between two fragments of tropical dry forest
(2021-09-13)
The tropical dry forest is under constant threat from many anthropic activities which are conducted
indiscriminately, modifying the forest, and therefore, affecting species that are closely related to its phenology, ...