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  • IIMP
    Comparación del circuito de molienda entra clasificadores y ciclones en la concentradora de Casapalca

    By V. Mejía C.

    A raíz de un informe de un estudio petrográfico de las relaciones de Casapalca presentado por el Sr Kobe, surge la idea de mejorar la molienda, reemplazando los clasificadores por ciclones. En esta pe

    Jul 20, 1961

  • IIMP
    Comparación entre EIA y ESHIA para la evaluación de proyectos mineros

    By R. E. Mitchell

    Los proyectos mineros son revisados por medio de dos estudios: el primero es el Estudio de Impacto Ambiental (EIA) que evalúa proyectos mineros e industriales propuestos para obtener una programación

    Oct 1, 2012

  • DFI
    Comparative Analysis Between Traditional And EC7 Criteria Applied To The Design Of Diaphragm Walls Concerning The Ultimate Limit States

    By J. Matos e Silva

    The paper refers five examples of executed diaphragm walls with one to five levels of anchorages. For each example a comparison is made between the results of the design using the traditional crit

    Jan 1, 2002

  • DFI
    Comparative Analysis Between Traditional and EC7 Criteria Applied to the Design of Diaphragm Walls Concerning the Ultimate Limit States

    By J. Matos e Silva

    "Abstract The paper refers five examples of executed diaphragm walls with one to five levels of anchorages. For each example a comparison is made between the results of the design using the traditiona

    Jan 1, 2014

  • SME
    Comparative Analysis Of An Innovative Ventilation System For Large-Scale Longwall Mining Operations

    By Sunil Jain, Jan M. Mutmansky

    As coal mining evolves in this country, underground coal is being mined at greater depth and under more difficult conditions than in the past. At the same time, economic conditions make it necessary t

    Jan 1, 1987

  • IMMS
    Comparative Analysis of Deep-Sea Minerals

    By Pedro Madureira, Georgy Cherkashov, Harald Brekke, Marzia Rovere

    "The most promising deep-sea mineral resources for exploration in the Area (beyond the limits of national jurisdiction) are polymetallic nodules, cobalt-rich ferromanganese crusts and polymetallic sul

    Jan 1, 2017

  • SME
    Comparative Analysis Of Moisture Sensitivity Index Tests For Coal Mine Roof - Preprint 09-068

    By T. Klemetti

    Moisture deterioration of clay-rich roof rocks causes high numbers of roof falls in coal mines in humid summer months. Rocks with high moisture content are generally weaker and can further deteriorat

    Jan 1, 2009

  • SME
    Comparative Analysis Of Neural-Network And Traditional Meta-Modelings For Placer Gold Oregrade Spatial Variability Estimation

    By J. Ke

    Traditional geostatistical methods have been used in ore reserve estimation for decades. Neural Networks (NNs) have provided an alternative approach to data analysis and ore reserve estimation. Unlike

    Jan 1, 2003

  • SME
    Comparative Analysis Of Open Pit Mine Scheduling Techniques For Strategic Mine Planning Of The Tintaya Copper Mine In Peru

    By D. Bernabe

    The mine scheduling process defines a mining sequence across the life of the mine and stipulates the amount of ore, waste, and specific blocks to be mined each year so that the highest economic return

    Jan 1, 2002

  • IMPC
    Comparative Analysis of Performance of Water Only Cyclones and Hydrocyclone for Iron Ore Processing at Joda Iron Ore Processing Plant, Tata Steel

    By D. Chakraborty, Neeraj Kumar

    "The study provides the comparative analysis of the performance of water only cyclones and hydrocyclone for iron ore fines processing at Joda Iron ore processing plant, Tata Steel. Joda iron ore depos

    Jan 1, 2018

  • SME
    Comparative Analysis of the Effect of Microwave Pre-treatment on the Milling and Liberation Characteristics of Mineral Matters of Different Morphologies

    By R. Venugopal, V. K. Saxena, S. K. Tripathy

    "This study was carried out to understand the impact of variation in material morphology on the efficacy of microwave pretreatment. Three different types of mineral matter – coal, iron ore and mangane

    Jan 1, 2017

  • SME
    Comparative Analysis of the Effect of Mining Parameters on Open-Pit Optimisation

    By Joseph Githiria, Khadija Omar Said

    Mineable material is defined using cut-off grade either as geological or economic cut-off grade. Both geological and economic cut-off grade affects the output generated in an open-pit mining operation

    Jun 25, 2023

  • IOM3
    Comparative analysis of toppling behaviour at Chuquicamata open-pit mine, Chile

    By P. Varona, L. Lorig, M. Board, E. Chacon

    Geomechanical factors at the mine are important and will become even more relevant as the pit expands and deepens. To address these demands a team was assembled to collect geomechanical information an

    Apr 1, 1996

  • ABM
    Comparative Analysis Of Two Different Niti Wires’ Properties And Fatigue Life

    By Leandro de Arruda Santos, Lorena Isabela de Oliveira Ribeiro, Jéssica Dornelas Silva, Pedro Damas Resende, João Victor Lucas Amim, Suzanny Cristina Soares Martins, Vicente Tadeu Lopes Buono

    O objetivo do presente estudo foi avaliar a resistência à fadiga de duas ligas de NiTi diferentes sob condições de teste controladas por deformação a 25°C por meio de testes de fadiga por flexão rotat

    Oct 25, 2019

  • ISEE
    Comparative Blasting Using Non-Electric Pyrotechnic Delays and the Electrodet Electronic Delay System at a Limestone Quarry in New York State, USA

    By Carl Lubbe, Ron Frye, Wayne Curtis, Julie Pecori, Dan Leach

    Blasting conducted in the USA using the new Electronic Initiation System developed by Altech has shown that an accurate delay system will benefit the customer. Results from test work clearly showed th

    Jan 1, 1997

  • SME-ICGCM
    Comparative Case Study Of Yielding And Critical Coal Pillar Designs In Bump-Prone Strata

    By J. R. Koehler

    The failure of yield pillar-based gate mad designs to provide adequate ground control performance is primarily related to the use of "critically" sized chain pillars. A "critical" pillar is one that f

    Jan 1, 1995

  • AIME
    Comparative Cavability Studies at Three Mines

    By Louis A. Panek

    INTRODUCTION AND SUMMARY With respect to the geomechanics aspects, the primary technical objectives in mining by an undercut-cave method are to achieve a controlled, sustained caving of the minera

    Jan 1, 1981

  • AUSIMM
    Comparative Cost of Rock Drilling Underground

    DURING a period extending over about the last two and a half years, the performances of various types of rock drills in use at the mining department of the Zinc Corporation have been recorded as close

    Jan 1, 1923

  • CIM
    Comparative Costs of In bye Power in a Mine as Derived from Compressed Air or Electric Sources

    By Mark W. Booth

    THIS paper deals with the subject of inbye power as the mechanical . engineer sees it, and invites discussion, particularly from the electrical engineer. At the outset, it will be necessary to clear

    Jan 1, 1936

  • SME
    Comparative Data Analysis Using a Machine Learning Based Approach for Estimation of Particulate Matter Concentration in the Mines and the Vicinities

    By Milka Madahana, John Ekoru

    Particulate matter is one of the leading pollutants in the mines and in the communities in the areas near or surrounding the mines. The availability of large Clinical and environmental data sets obtai

    Jun 25, 2023