Volume 7, Issue 1
مرور بر اساس
ارسال های اخیر
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Risk prediction based on a time series case study: Tazareh coal mine
(Shahrood University of Technology, 2016-01-01)In this work, the time series modeling was used to predict the Tazareh coal mine risks. For this purpose, initially, a monthly analysis of the risk constituents including frequency index and incidence severity index was ...
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Dimensionality analysis of subsurface structures in magnetotellurics using different methods (a case study: oil field in Southwest of Iran)
(Shahrood University of Technology, 2016-01-01)Magnetotelluric (MT) method is an electromagnetic technique that uses the earth natural field to map the electrical resistivity changes in subsurface structures. Because of the high penetration depth of the electromagnetic ...
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Estimation of Cadmium and Uranium in a stream sediment from Eshtehard region in Iran using an Artificial Neural Network
(Shahrood University of Technology, 2016-01-01)Considering the importance of Cd and U as pollutants of the environment, this study aims to predict the concentrations of these elements in a stream sediment from the Eshtehard region in Iran by means of a developed ...
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Impact of mining on groundwater quality in SW Ashanti, Ghana: a preliminary study
(Shahrood University of Technology, 2016-01-01)The focus of this research work is on the determination of the impact of mining on the groundwater quality in the historical mining region of SW Ashanti region in Ghana. This work describes the characteristics of the ...
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Production of artificial stone slabs using waste granite and marble stone sludge samples
(Shahrood University of Technology, 2016-01-01)In this work, the waste stone sludge obtained from the granite and marble stone processing factories was used for the manufacture of artificial stones using vibratory compaction in a vacuum environment. The results obtained ...
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Development of a mechanical earth model in an Iranian off-shore gas field
(Shahrood University of Technology, 2016-01-01)Wellbore instability is a quite common event during drilling, and causes many problems such as stuck pipe and lost circulation. It is primarily due to the inadequate understanding of the rock properties, pore pressure, and ...
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Joint inversion of ReMi dispersion curves and refraction travel times using particle swarm optimization algorithm
(Shahrood University of Technology, 2016-01-01)Shear-wave velocity ( ) is an important parameter used for site characterization in geotechnical engineering. However, dispersion curve inversion is challenging for most inversion methods due to its high non-linearity and ...
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A New Approach for Obtaining Settling Velocity in a Thickener Using Statistical Regression: A Case Study
(Shahrood University of Technology, 2016-01-01)In this research work, the parameters affecting the settling velocity within the thickeners were studied by introducing an equivalent shape factor. Several thickener feed samples of different densities including copper, ...
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Extension of Excavation Damaged Zone Due to Longwall Working Effect
(Shahrood University of Technology, 2016-01-01)In advance longwall mining, the safety of mine network, production rate, and consequently, economic conditions of a mine are dependent on the stability conditions of gate roadways. The gate roadway stability is a function ...
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Kinetics of Sphalerite Leaching by Sodium Nitrate in Sulfuric Acid
(Shahrood University of Technology, 2016-01-01)In the present work, the extraction of zinc from a sphalerite concentrate using sodium nitrate as an oxidant in a sulfuric acid solution was investigated. The effective parameters such as the temperature, sulfuric acid and ...
