Volume 25, No. 41.

Table of contents

1. Editorial

   5

   • Abstract 731
     
   • PDF (Español) 232
     
   • HTML (Español) 68
     

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1. Characterization of DLC/Si coatings under the influence of a simulated biological fluid

   William Vargas, José Luis Caballero-Gómez, Willian Arnulfo Aperador-Chaparro

   7-19

   • Abstract 1218
     
   • PDF (Español) 671
     
   • HTML (Español) 1153
     

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2. A Regulations’ Survey for the Wireless Telecommunications Deployment in Colombia

   José Gustavo Morales-Guarín, Herman Antonio Fernández-González, Paola Astrid Ortega-Sánchez

   21-30

   • Abstract 1120
     
   • PDF 846
     
   • HTML 837
     

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3. Concrete prepared with rain water as an environmental contribution from the construction

   Carlos Mauricio Bedoya-Montoya, Carlos Andrés Medina-Restrepo

   31-39

   • Abstract 1761
     
   • PDF (Español) 890
     
   • HTML (Español) 2332
     

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4. Effect of colombian coal rank and its feeding technology on substitute natural gas production by entrained gasification

   Juan Fernando Pérez-Bayer, Rolando Barrera-Zapata, Carlos Alberto Salazar-Jiménez

   41-53

   • Abstract 1458
     
   • PDF 883
     
   • HTML 1360
     

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5. Bootstrap and Jacknnife resampling in reliability: case exponential and Weibull

   Javier Ramírez-Montoya, Ignacio Osuna-Vergara, Jessica Rojas-Mora, Stalyn Guerrero-Gómez

   55-62

   • Abstract 1521
     
   • PDF (Español) 1403
     
   • HTML (Español) 490
     

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6. Removal of lubricant added to iron powder metallurgy, with abnormal plasma discharge glow

   Pedro Vicente Rodríguez-Fonseca, Armando Sarmiento-Santos, Carlos Mauricio Moreno-Téllez

   63-73

   • Abstract 990
     
   • PDF (Español) 388
     
   • HTML (Español) 428
     

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7. Effect of impurities in the physical-chemical properties of a copper mineral leaching solution

   Patricio Navarro, Cristián Vargas, Carlos Ramírez

   75-84

   • Abstract 1642
     
   • PDF (Español) 538
     
   • HTML (Español) 889
     

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8. Simulation of a grid network with virtual machines to create a learning environment of high performance computing

   Edwin Eduardo Millán-Rojas, Adriana Patricia Gallego-Torres, Diana Carolina Chico-Vargas

   85-92

   • Abstract 1328
     
   • PDF (Español) 1990
     
   • HTML (Español) 224
     

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9. Improvement of abrasive wear resistance of the high chromium cast iron ASTM A-532 through thermal treatment cycles

   Oscar Fabián Higuera-Cobos, Florina-Diana Dumitru, Dairo Hernán Mesa-Grajales

   93-103

   • Abstract 1931
     
   • PDF 1049
     
   • HTML 1394
     

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