نتایج جستجو برای: mining geology
تعداد نتایج: 96827 فیلتر نتایج به سال:
i am delighted to announce completion of the second issue of the new journal of “geopersia”, a product of the new era of replacing the persian language journals with specific english-language ones. our purpose is to provide a journal that offers a multi-disciplinary analysis of issues concerning geology subjects (i.e. sedimentology, stratigraphy, paleontology, petroleum geology, engineering geo...
258 10 The MLRP-method for Analysis of Some Problems in Climate and Seismology 10.1 Introduction The problem of detection correlations and regularities by data, which is presented by time series or data table, is used in different scientific domains. We have so problem in sociology, medicine, geology and seismology, economics and climate, etc. [Box and Dgenkins, 1974]. The problem of detection ...
In this study, pre-mining ambient gamma dose equivalent rates at 1 m above the ground were measured using a Gamma-Scout portable radiation survey meter two sites, A and B, around Manyoni uranium deposit in Tanzania. Site is expected to receive mine-dust particles with an aerodynamic diameter ≤ 10 µm (PM10) that have mean annual level concentrations (AGLC) ≥ 10% of WHO air quality guideline limi...
This short dictionary is the first attempt to systematize information about Tuvan names of things and phenomena related geology, mining, resources obtained after processing mineral raw materials. Here we find a very brief Russian-Tuvan geological containing 131 terms, which 49 terms are proposed for use time, including 16 as additional those already available in above dictionaries. In Russian-T...
In 1962, G. Matheron introduced the term geostatistics to describe a scientific approach to evaluate problems in geology and mining, from ore reserve estimation to grade control. Geostatistics provides statistical methods used to describe spatial relationships among sample data and to apply this analysis to the prediction of spatial and temporal phenomena. They are used to explain spatial patte...
by Yingping Huang This thesis examines the application of infrastructure, query optimization, data warehousing and data mining technologies to the area of scientific simulation. One application of scientific simulation is on the behavior of natural organic matter (NOM). NOM is a heterogeneous mixture of organic molecules found in terrestrial and aquatic environment from forest soils and streams...
Slope stability is a critical safety and production issue for mining. Major wall failure can occur seemingly without any visual warning, causing loss of lives, damage to equipment, and disruption to the mining process. Monitoring systems, ranging from simple piezometers and extensometers to highly sophisticated radars and global navigation satellite systems, are employed to predict impending in...
A.Kijewska, A. Bluszcz, The Silesian University of Technology, Faculty of Mining and Geology, Gliwice, Poland A. Sojda, The Silesian University of Technology, Faculty of Organization and Management, Gliwice, Poland The article presents the concept of value added and value added statement. That report may provide an additional source of information for the company’s stakeholders such as employee...
This study focused on producing flash flood hazard susceptibility maps (FFHSM) using frequency ratio (FR) and statistical index (SI) models in the Xiqu Gully (XQG) of Beijing, China. First, a total of 85 flash flood hazard locations (n = 85) were surveyed in the field and plotted using geographic information system (GIS) software. Based on the flash flood hazard locations, a flood hazard invent...
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