مرور Volume 8, Issue 4 بر اساس عنوان
در حال نمایش موارد 1 - 11 از 11
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Application of perfect mixing model for simulation of vertical roller mills
(Shahrood University of Technology, 2017-10-01)Vertical roller mills (VRMs) are well-established grinding equipment for various tasks in the coal and cement industry. There are few studies on simulation of VRMs. In this research work, application of perfect mixing model ...
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Comparison of various knowledge-driven and logistic-based mineral prospectivity methods to generate Cu and Au exploration targets Case study: Feyz-Abad area (North of Lut block, NE Iran)
(Shahrood University of Technology, 2017-10-01)Motivated by the recent successful results of using GIS modeling in a variety of problems related to the geosciences, some knowledge-based methods were applied to a regional scale mapping of the mineral potential, special ...
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Determination of geochemical anomalies and gold mineralized stages based on litho-geochemical data for Zarshuran Carlin-like gold deposit (NW Iran) utilizing multi-fractal modeling and stepwise factor analysis
(Shahrood University of Technology, 2017-10-01)The Zarshuran Carlin-like gold deposit is located at the Takab Metallogenic belt in the northern part of the Sanandaj-Sirjan zone, NW Iran. The high-grade ore bodies are mainly hosted by black shale and cream to gray massive ...
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Development of a site-specific regression model for assessment of road-header cutting performance of Tabas coal mine based on rock properties
(Shahrood University of Technology, 2017-10-01)In underground excavation, where the road-headers are employed, a precise prediction of the road-header performance has a vital role in the economy of the project. In this paper, a new model is developed for prediction of ...
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Effect of temperature as well as heating and cooling cycles on rock properties
(Shahrood University of Technology, 2017-10-01)Temperature has a significant role in many actions performed on rocks. An example would be the effect of temperature on rocks in the burial of nuclear waste, geothermal energy extraction, deep oil well drilling, and fires ...
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Evolution of AG mill shell liner design at Gol-E-Gohar concentration plant
(Shahrood University of Technology, 2017-10-01)Liner design is becoming an increasingly more important tool for the AG/SAG mill performance optimization. The Gol-E-Gohar iron ore concentration plant uses three 9 m × 2.05 m autogenous mills (AG) in parallel in a dry ...
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An improvement in RTM method to image steep dip petroleum bearing structures and its superiority to other methods
(Shahrood University of Technology, 2017-10-01)In this paper, first the limitations of the ray-based method and the one-way wave-field extrapolation migration (WEM) in imaging steeply dipping structures are discussed by some examples. Then a new method of the reverse ...
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Influence of modeling material on undercut slope failure mechanism
(Shahrood University of Technology, 2017-10-01)A series of physical modeling tests were conducted by means of a beam type geotechnical centrifuge machine in order to investigate the drainage impact on the slope failure mechanism under centrifugal acceleration. Meanwhile, ...
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Optimization of parameters affecting recovery of copper from Sarcheshmeh low-grade sulfide ore using Bioleaching
(Shahrood University of Technology, 2017-10-01)In this work, the parameters affecting the recovery of copper from the low-grade sulfide minerals of Sarcheshmeh Copper Mine were studied. A low-grade sulfide ore was used with a copper grade of 0.25%, which was about 28% ...
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Prediction of effect of fine particle removal on efficiency of a spiral circuit by size-by-size partition curves
(Shahrood University of Technology, 2017-10-01)Partition curves are widely used to determine the spiral separator efficiency. In this work, the partition curves were used in order to investigate the particle transportation to concentrate and tailing streams. Simulation ...
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Sub-pixel classification of hydrothermal alteration zones using a kernel-based method and hyperspectral data; A case study of Sarcheshmeh Porphyry Copper Mine and surrounding area, Kerman, Iran
(Shahrood University of Technology, 2017-10-01)Remote sensing image analysis can be carried out at the per-pixel (hard) and sub-pixel (soft) scales. The former refers to the purity of image pixels, while the latter refers to the mixed spectra resulting from all objects ...



