Vol. 22 No. 44 (2019)

Artículos

• Estimation of average and maximum flows of the Checras river basin through synthetic and rational equations

  Beatriz Gina Herencia Félix, Cesar Eduardo Carrera Saavedra

  15-24

  • PDF (Spanish)

• Anti-corrosive effect of polyurethane paints applied on galvanized steel without surface treatment

  Felipe Redrovan Pesantez, Rosa Vera Aravena, Hugo Romero Bonilla, Thalia Vera Infante, Vanessa Fernández Vélez

  25-32

  • PDF (Spanish)

• Components present in the frying oil used and determinants previous to its conversion into biodiesel

  Herminia Sanaguano Salguero, Favian Bayas Morejón, Carlos Cabrera Carranza

  33-38

  • PDF (Spanish)

• Environmental management system in Ventanilla District

  José Luis Alvarado Moreno

  39-46

  • PDF (Spanish)

• Analysis of sliding intensity in terms of removed volumes in the Tingoragra Creek, Huánuco district as contribution for risk evaluation

  Luz Alexandra Javier Silva, Francisco Alejandro Alcántara Boza, Jorge Luis Susanibar Zevallos

  47-56

  • PDF (Spanish)

• Environmental analysis of the alluvium of 2015 throughout the ravine Rayo de Sol, Chosica, Lima, Peru

  Nora Malca-Casavilca, Marcos Espinoza-Pereyra

  57-64

  • PDF (Spanish)

• Wastewater treatment from washing machines by the method of electrocoagulation for the reuse in irrigation of vegetables - Ate Vitarte

  María Vanessa Cuba Tello, Paul Alcocer Meneses, Mariano Pacheco Ortíz

  65-74

  • PDF (Spanish)

• Elements of environmental contamination in the informal extraction of coal and alternatives of sustainable extraction in the district of Lucma, Gran Chimu Province La Libertad Region

  Nicolás Guevara Alvarado

  75-84

  • PDF (Spanish)

• Methodology of treatment of remediation of mining environment passives from Cerro El Toro de Huamachuco for the sustainable development

  Silvana Flores, Pablo Nuñez, Edison Zegarra, Janet Flores

  85-94

  • PDF (Spanish)

• Problem of pollution of occupational lead in the laboratories of fire assay of gold minerals

  Victor Hugo Peragallo Barrios

  95-104

  • PDF (Spanish)

• Ecotoxicological tests with ballast waters and marine waste management from ships

  Alfonso Ramírez Caján, Verónica Espinel Pino

  3-14

  • PDF (Spanish)