Diagnosis of accidents in the small and medium mining of Boyacá অনুযায়ী González-Sierra, Miguel Alfonso, Lara-González, Luis Ángel

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A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte de Santander অনুযায়ী Bolívar-León, Rafael, Triviño-Jaimes, Neyl Richard, García-Mogollón, Javier Mauricio

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Productivity and competitiveness determination of the small-scale mining at the northern mining district in the state of Boyacá অনুযায়ী Bernal, Martha Stella Martínez

বিষয়গুলি:

Automatized system of control and monitoring of gases from coal mines অনুযায়ী Carreño Bodensiek, Carlos Guillermo

বিষয়গুলি: “…Coal mines…”

Performance of packed - bed corncob (Zea mays) in the removal of iron contained in acid mine drainage অনুযায়ী Hernández, Angie Lorena, Vásquez-Ochoa, Olga Yaneth, Roldan-García, Fabio Augusto, Lobo, Jairo Antonio Cubillos, Pineda, Gerardo Andrés Caicedo

বিষয়গুলি: “…Chemical conditioning, adsorption, biomass, coal mine, remediation.…”

Evaluation of techniques to reduce the concentration of sedimentable solids in the wastewater produced in the coal mining in the municipality of Guachetá, Cundinamarca অনুযায়ী Chaparro Alba, Sandra Liliana

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