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Now showing items 11-18 of 18
Environmental Assessment of an Active Tailings Pile in the State of Mexico
(2008)
As part of the assessment of an active tailings pile, water and sediment samples were collected in different locations (10 in water, 8 in tailings and 5 in sediments across the El Ahogado River) in dry and wet season of ...
Natural and Anthropogenic Influence in Water Quality: The Case of Linares City, NE Mexico
(2014)
The aim of this research paper was to identify whether the water quality had been influenced either by the natural en- vironment or by anthropogenic activities or both in the municipality of Linares, the second largest ...
PRESENCIA E IMPACTO DEL GRUPO CONFORMADO POR ALGUNOS ACADÉMICOS DE LA COMISIÓN DE QUÍMICA DE LA ACADEMIA MEXICANA DE CIENCIAS, ARTES, TECNOLOGÍA Y HUMANIDADES
(2011)
El grupo de académicos que originalmente colaboraron en el Programa de Ingeniería Química Ambiental y de Química Ambiental, PIQAyQA, de la UNAM, en cooperación con sus pares de diferentes instituciones nacionales y ...
Hydro - climatic variability and forest fires in México's northen temperate forests
(2012)
Los cambios globales en las temperaturas pueden estar modificando los ciclos hidrológicos de las cuencas forestales. Este reporte tuvo como objetivo estimar las variables del ciclo hidrológico interceptación, la ...
Geochemical behavior of heavy metals in a Zn?Pb?Cu mining area in the State of Mexico (central Mexico)
(2008)
The geochemical behavior of zinc, lead and copper from sulfidic tailings in a mine site with potential to generate acidic drainage (pyrite (55%) and sphalerite (2%)) is reported in this paper. The mining area is divided ...
Oxidación de jales ricos en pirita en un reactor a escala de banco
(2008)
La minería tiene un papel preponderante en la economía de México, sin embargo, es también una de las industrias que más generan residuos. Entre ellos destacan los jales (del náhuatl ?xalli?, arenas finas). La normatividad ...
Microscopic evidences of replacement of iron sulfide by iron oxide in macro Fossils: a useful tool for the search of life in mars?
(2013)
The present paper documents the presence of elements such as isolated crystals, framboids and teeth and socket structures in samples of iron oxides collected from macrofossils from the Upper Cretaceous (Turonian) Eagle ...
Electrochemical Characterization of Modified Concretes with Sugar Cane Bagasse Ash
(2011)
Corrosion is one of the most serious causes that reduce service life of Reinforced Concrete Structures (RCS). This is why it is necessary to create concrete mixtures that add durability for steel and that reduce impact on ...