Volume 13, No. 1.
Vol. 13 Núm. 1 (2022): Vol 13, Núm.1 (2022): Enero-Junio

Table of contents

1. Hopf bifurcation in the study of synchronous motor stability

   Fernando Mesa, German Correa Velez, Jose Jose Barba Ortega

   1-7

   • Abstract 601
     
   • PDF (Español) 85
     

   PDF (Español)

2. Modeling of the friction factor in pressure pipes using Bayesian Learning Neural Networks

   Edgar Orlando Ladino Moreno, Cesar Augusto García Ubaque, María Camila García-Vaca

   9-23

   • Abstract 1161
     
   • PDF (Español) 270
     

   PDF (Español)

3. Effects of the incoherent pumping in the linear optical susceptibility of an spherical nanostructure

   Alfonso Portacio Lamadrid, L.E. Cano, K.D. Correa

   25-30

   • Abstract 329
     
   • PDF (Español) 104
     

   PDF (Español)

4. Time study of Earth’s magnetic field in Colombia: Fúquene Geomagnetic Observatory

   Hernán Darío Hernández, John Freddy Calderón, Cesar Alexander Chacón

   31-41

   • Abstract 809
     
   • PDF (Español) 189
     

   PDF (Español)

5. Optical, electrical, structural, and morphological properties of KAl4Si2O12/Mg3Si2O9/Fe2O3 clay mineral from Machado mountain region, Tarairá, Colombia

   Édgar Felipe Galíndez Ruales, José Alejandro Rojas Venegas, Diego Sánchez, David A. Landínez Téllez, Jairo Roa-Rojas

   43-55

   • Abstract 559
     
   • PDF (Español) 119
     

   PDF (Español)

6. Effect of the aluminum concentration on the second harmonic generation in a quantum dot of AsGa/AsGa1−xAlx

   Alexander Jose Montes Macea, L.E. Cano, Alfonso Portacio

   57-64

   • Abstract 285
     
   • PDF (Español) 116
     

   PDF (Español)

7. Analysis of the random effects estimator of a hierarchical model with heavy tailed priori distributions

   Jessica Maria Rojas Mora, Isabel Ramírez Guevara

   65-78

   • Abstract 298
     
   • PDF (Español) 91
     

   PDF (Español)

8. Comparison of some methods to estimate the Cox proportional hazards model for interval-censored data

   Olga Alexandra Bustos Giraldo, Mario César Jaramillo Elorza, Carlos Mario Lopera Gómez

   79-92

   • Abstract 365
     
   • PDF (Español) 110
     

   PDF (Español)

9. A hybrid system bases on silica-alumina and Keggin heteropolyacids as catalyst in the suitable 2-(2-furyl)-chromones and chromanones synthesis

   V. Palermo, D. Ruiz, A. Sathicq, P. Vázquez, G. Romanelli

   93-102

   • Abstract 220
     
   • PDF (Español) 70
     

   PDF (Español)

10. Bioactivity of hydroxyapatite obtained from eggshell for potential use as bone cement

    Karen Gárcia-Sánchez, Iber J. Quiñones, Jose Oscar Gutierrez-M, Ruben Camargo-Amado, Mónica J. Basante-Romo

    103-114

    • Abstract 860
      
    • PDF (Español) 276
      

    PDF (Español)

11. Analysis of the Technological Maturity Cycle of Antibacterial and Self-cleaning Surfaces based on TiO2/ZnO

    Santiago Sinisterra, Rubén Camargo-Amado, Diego Triviño, Fiderman Machuca Martínez

    115-127

    • Abstract 395
      
    • PDF (Español) 138
      

    PDF (Español)