منابع مشابه
Investigation of in situ leach (ISL) mining of uranium in New Mexico and post-mining reclamation
The purpose of this study was to consider the effectiveness of two methods of restoring groundwater quality in a subsurface uranium-bearing formation following in situ leach (ISL) mining. To accomplish this it was necessary to develop an understanding of the geochemical characteristics of an aqueous solution that might be produced by an ISL mine. Samples of material from three different uranium...
متن کاملStressful situations in life, use and abuse of alcohol and drugs by elderly in Monterrey, Mexico.
This is a descriptive, qualitative, and correlation study with 112 elderly aged 60 years or older. This study aimed to identify differences in alcohol consumption according to gender and marital status, and differences in the consumption of medical drugs by gender. It also aims to determine differences in stressful life events by gender, and differences in stressful life events associated to al...
متن کاملJa n 20 05 Transient situations in traffic flow : Modelling the Mexico City Cuernavaca Highway
In this paper a recent variable anticipation cellular automata model for single-lane traffic flow is extended to analyze the situation of free and congested flow in the Highway from Mexico City to Cuernavaca. This highway presents free flow in standard days; but in the returning day of long weekends or holidays it exhibits congested flow and in rush hours jamming appears. We illustrate how our ...
متن کاملHost selection patterns of Anopheles pseudopunctipennis under insecticide spraying situations in southern Mexico.
Studies of host selection patterns of Anopheles pseudopunctipennis were conducted in villages in foothills near Tapachula, Mexico. Based on 2 years of collections, 53.8 and 86.1% of all engorged females resting inside houses were found to contain human blood. Estimates of weighted and unweighted human blood indices, including data from outdoor resting collections, varied from 29.5 to 54.7%. Hum...
متن کاملGeochemical behavior of heavy metals in a Zn-Pb-Cu mining area in the State of Mexico (central Mexico).
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 in two zones, considering the topographic location of sampling points with respect to the tailings pile: (a) outer zone, out of the probable influence of acid mine drainage (AMD...
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ژورنال
عنوان ژورنال: Shigen-to-Sozai
سال: 1990
ISSN: 0916-1740,1880-6244
DOI: 10.2473/shigentosozai.106.210