Browsing Maden Mühendisliği Bölümü by Language "en"
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3D Numerical Investigation Of Ground Settlements Induced By Construction Of Istanbul Twin Metro Tunnels With Special Focus On Tunnel Spacing
(2019)One of the most important considerations of tunneling in urban areas is controlling the amount of surface settlement that occurs during construction stages. The goal of this paper is to investigate the effect of spacing ... -
An Investigation of the Effect of Operating Variables on Separation Performance of Teetered Bed Separator
(Fen Bilimleri Enstitüsü, 2014)The aim of this study is to investigate the effect of operating variables on separation performance of Teetered Bed Separator TBS used in fine coal beneficiation. For this purpose, experimental studies were performed by ... -
An Investigation of the Flotation Behaviour of the Sulphide Gold Ores
(Fen Bilimleri Enstitüsü, 2014)In this thesis, flotation behavior of a refractory gold ore with high sulphide content (S% 5) and production of a flotation concentrate with high gold content were investigated. Pre-concentration of sulphidic gold ores ... -
Column Flotation Studies in Copper Flotation Cleaning Circuit at Eti Bakir A.S. Kure Corporation
(Fen Bilimleri Enstitüsü, 2023-01)The aim of this thesis is to investigate the possibility of increasing final concentrate grade by using column flotation at Eti Bakır A.Ş. Küre flotation plant. Since pyrite is the main gangue mineral in the concentrate, ... -
Controlled Synthesis, Characterization And Thermal Properties Of Mg2B2O5
(De Gruyter Poland Sp Zoo, 2010)Optimum conditions for synthesizing monoclinic and triclinic Mg2B2O5 compounds by high-temperature solid-state reactions were investigated. Mixtures composed of boric acid and magnesium oxide at MgO:B2O3 mole ratios of ... -
Development of Wastewater Treatment Methods for Flotation Plants
(Fen Bilimleri Enstitüsü, 2018)In this thesis, development of treatment methods for removing or decreasing amount of components in process water which negatively affect flotation performance has been studied. Two different sulfide ore samples provided ... -
Effect of Acidulated Phosphate Fluoride and Casein Phosphopeptide-Amorphous Calcium Phosphate Application on Shear Bond Strength of Orthodontic Brackets
(E H Angle Education Research Foundation, Inc, 2008)Objective: To evaluate the effect of a recently introduced prophylactic agent, casein phospho-peptide-amorphous calcium phosphate (CPP-ACP), on shear bond strength of brackets and compare it with the effect of acidulated ... -
Effects of A Fluoride-Containing Casein Phosphopeptide-Amorphous Calcium Phosphate Complex on The Shear Bond Strength of Orthodontic Brackets
(Oxford Univ Press, 2012)The purpose of this study was to investigate the effects of enamel pre-treatment with a new fluoride-containing casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) complex on the shear bond strength (SBS) of brackets ... -
Effects of Sulphuric Acid Dissolution on The Physical And Chemical Properties of A Natural And A Heated Vermiculite
(Berg Fac Technical Univ Kosice, 2015)The effects of high-temperature (90 degrees C) sulphuric acid dissolution on the physical and chemical properties of a commercial vermiculite sample, in natural and heated forms, were investigated using chemical, X-ray ... -
Estimating Specific Energy From The Brittleness Indexes In Cutting Metallic Ores
(Southern African Inst Mining Metallurgy, 2016)Specific energy (SE) is a very useful parameter for assessing rock excavation by machine. Predicting the SE from the brittleness will be practical, especially for preliminary studies, due to the fact that determining the ... -
Evaluation of Applicability of Double Shield Tunnel Boring Machines (Ds-Tbm) in Potentially Squeezin Grounds
(Fen Bilimleri Enstitüsü, 2013)Despite successful use of double shield TBMs in many projects in recent years, presence of shield makes the machine susceptible to entrapment or seizure in weak rocks under high stresses experiencing high convergence. ... -
Evaluation Of The Alternatives For Gold Ore Grinding Circuits By Using Of Laboratory Studies Results And Simulation Method; Case Study: Iranian Gold Co
(2019)In this study, simulation aided design of grinding circuit for a gold mine in Iran is presented. The main parameters for the design of the grinding circuit are the ore specifications and the considered operating conditions. ... -
Examining The Effect Of Adverse Geological Conditions On Jamming Of A Single Shielded Tbm In Uluabat Tunnel Using Numerical Modeling
(CSRME, 2017)Severe shield jamming events have been reported during excavation of Uluabat tunnel through adverse geological conditions, which resulted in several stoppages at advancing a single shielded tunnel boring machine (TBM). To ... -
Interaction Of Celestine Concentrate And Reagent Grade Srso4 With Oxalate Solutions
(Berg Fac Technical Univ Kosice, 2012)The interaction of reagent grade strontium sulphate and celestine concentrate with aqueous solutions of oxalic acid, sodium oxalate and ammonium oxalate for the production of strontium carbonate were investigated for ... -
Investigation of Dry Horizontal Stirred Milling Applications for Cement Grinding Circuits
(Fen Bilimleri Enstitüsü, 2013)Within the thesis study, possible applications of dry horizontal stirred mill were investigated for cement industry where fine grinding is prominent with regards to improved product quality. The main objectives of this ... -
Investigation of Effect of Operational Parameters on Vertical Roller Mills’ Performance
(Fen Bilimleri Enstitüsü, 2015)This research study was aimed to investigate the effect of operational parameters on vertical roller mills’ performance. Test works were held at a mobile ore grinding plant (OGPmobile) which belongs to Loesche GmbH.According ... -
Investigation of The Enrichment of Rare Earth Ore in Eskişehir-Beylikova Region By Flotation
(Fen Bilimleri Enstitüsü, 2023)Rare earth minerals have great importance in advanced technology products and defense industry. Rare earth mineral deposits in the Eskişehir - Beylikova region, which is one of the most important deposits in Turkey, is ... -
Mathematical Modelling of Vertical Roller Mills
(Fen Bilimleri Enstitüsü, 2017-01)In this study, it was aimed to develop a mathematical model of vertical roller mills which have found an application in the industry with high energy efficiency. With this aim, pilot scale and industrial scale grinding ... -
Metaheuristic Kriging: A New Spatial Estimation Method
(Hacettepe University, 2017)Kriging is one of the most widely used spatial estimation method. In kriging estimation, weights assigned to the neighboring data are determined by minimizing the estimation error variance (EEV). Due to the minimization ... -
Modelling Electrical Conductivity Of Groundwater Using An Adaptive Neuro-Fuzzy Inference System
(Pergamon-Elsevier Science Ltd, 2006)Electrical conductivity is an important indicator for water quality assessment. Since the composition of mineral salts affects the electrical conductivity of groundwater, it is important to understand the relationships ...