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Attempted alpha- to beta-phase conversion of croconic acid via ball milling.
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Year: 2017 Publisher: Aberdeen Proving Ground, MD : US Army Research Laboratory,

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Ball milling towards green synthesis : applications, projects, challenges
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ISBN: 1782621989 Year: 2015 Publisher: Cambridge, England : Royal Society of Chemistry,

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Ball milling has emerged as a powerful tool over the past few years for effecting chemical reactions by mechanical energy. Allowing a variety of reactions to occur at ambient temperatures and in solvent-free conditions, ball milling presents a greener route for many chemical processes. Compared to the use of microwave and ultrasound as energy sources for chemical reactions, ball milling is not as familiar to chemists and yet it holds great potential. This book will introduce practicing chemists to the technique and will highlight its importance for green transformations. Current applicatio


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High-energy ball milling : mechanochemical processing of nanopowders
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ISBN: 9781845699444 1845699440 9781845695316 9781439829745 Year: 2010 Publisher: Boca Raton, Fla. : Oxford : CRC Press ; Woodhead Pub. Ltd.,

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Mechanochemical processing is a novel and cost effective method of producing a wide range of nanopowders. It involves the use of a high energy ball mill to initiate chemical reactions and structural changes. High energy ball milling: Mechanochemical processing of nanopowders reviews the latest techniques in mechanochemistry and how they can be applied to the synthesis and processing of various high-tech materials.Part one discusses the basic science of mechanochemistry with chapters on such topics as the mechanism and kinetics of mechanochemical processes, kinetic behaviour in mechanoc


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The role of chemical reactions in the mechanism of comminution of ductile metals into ultrafine powders by grinding
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Year: 1968 Publisher: Washington, D.C. : National Aeronautics and Space Administration,

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High-energy ball milling
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ISBN: 1845699440 1845695313 9781845699444 9781845695316 9781439829745 Year: 2010 Publisher: Boca Raton, Fla. Oxford CRC Press Woodhead Pub.

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Mechanochemical processing is a novel and cost effective method of producing a wide range of nanopowders. It involves the use of a high energy ball mill to initiate chemical reactions and structural changes. High energy ball milling: Mechanochemical processing of nanopowders reviews the latest techniques in mechanochemistry and how they can be applied to the synthesis and processing of various high-tech materials.Part one discusses the basic science of mechanochemistry with chapters on such topics as the mechanism and kinetics of mechanochemical processes, kinetic behaviour in mechanoc


Book
Grinding and Concentration Technology of Critical Metals
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Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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The production and supply of raw materials is a basic ecosystem service, the origin of multiple production value chains. In 2011, the European Union elaborated a list of critical raw materials (CRMs), taking the economic and strategic importance for the European economy and the supply risk. Although focused mainly on the energy sector, the USA, Canada, and other countries took recently similar steps. Despite the great inertia characterising the mineral raw materials sector, some steps towards the Industry 4.0 paradigm can be envisaged. Significant challenges to the mining sector are the appropriate process design using the best available technologies; the increase in energy efficiency; the responsible use of water and handling of mining wastes; the social acceptance of the activity; and the digitalisation challenge. This book aims to propose strategies that can help face those challenges, especially in increasing energy efficiency in comminution operations.


Book
Grinding and Concentration Technology of Critical Metals
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Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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The production and supply of raw materials is a basic ecosystem service, the origin of multiple production value chains. In 2011, the European Union elaborated a list of critical raw materials (CRMs), taking the economic and strategic importance for the European economy and the supply risk. Although focused mainly on the energy sector, the USA, Canada, and other countries took recently similar steps. Despite the great inertia characterising the mineral raw materials sector, some steps towards the Industry 4.0 paradigm can be envisaged. Significant challenges to the mining sector are the appropriate process design using the best available technologies; the increase in energy efficiency; the responsible use of water and handling of mining wastes; the social acceptance of the activity; and the digitalisation challenge. This book aims to propose strategies that can help face those challenges, especially in increasing energy efficiency in comminution operations.


Book
Grinding and Concentration Technology of Critical Metals
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The production and supply of raw materials is a basic ecosystem service, the origin of multiple production value chains. In 2011, the European Union elaborated a list of critical raw materials (CRMs), taking the economic and strategic importance for the European economy and the supply risk. Although focused mainly on the energy sector, the USA, Canada, and other countries took recently similar steps. Despite the great inertia characterising the mineral raw materials sector, some steps towards the Industry 4.0 paradigm can be envisaged. Significant challenges to the mining sector are the appropriate process design using the best available technologies; the increase in energy efficiency; the responsible use of water and handling of mining wastes; the social acceptance of the activity; and the digitalisation challenge. This book aims to propose strategies that can help face those challenges, especially in increasing energy efficiency in comminution operations.


Book
Mining Technologies Innovative Development
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Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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The present book covers the main challenges, important for future prospects of subsoils extraction as a public effective and profitable business, as well as technologically advanced industry. In the near future, the mining industry must overcome the problems of structural changes in raw materials demand and raise the productivity up to the level of high-tech industries to maintain the profits. This means the formation of a comprehensive and integral response to such challenges as the need for innovative modernization of mining equipment and an increase in its reliability, the widespread introduction of Industry 4.0 technologies in the activities of mining enterprises, the transition to "green mining" and the improvement of labor safety and avoidance of man-made accidents. The answer to these challenges is impossible without involving a wide range of scientific community in the publication of research results and exchange of views and ideas. To solve the problem, this book combines the works of researchers from the world's leading centers of mining science on the development of mining machines and mechanical systems, surface and underground geotechnology, mineral processing, digital systems in mining, mine ventilation and labor protection, and geo-ecology. A special place among them is given to post-mining technologies research.

Keywords

Technology: general issues --- History of engineering & technology --- underground mining --- ventilation systems --- methane release hazard --- spontaneous combustion hazard --- safety --- copper ore comminution --- hydro-jet mill --- high-pressure water jet --- deep underground min --- IoT devices --- smartphone --- gas hazards --- Industry 4.0 in mining --- ball mills --- energy efficiency --- internal dynamics --- DEM model --- resonance oscillations --- measurements --- drilling rig --- process monitoring --- operational cycles --- sound measurement --- electric current acquisition --- threshold-based segmentation --- envelope spectrum --- safety function --- electro-hydraulic control system --- powered roof support --- textile conveyor belts --- multiply conveyor belts --- multiply belt splices --- laboratory splice tests --- fluid coupling --- ball mill --- electric motor --- drive system --- grinding --- energetic efficiency --- surface mining --- mining equipment --- multiple criteria decision making (MCDM) --- ELECTRE III --- thermal imaging --- belt conveyor --- diagnostics --- mechanical failure --- preventative maintenance --- well reamer --- rock mass --- intensification of production --- nonlinear law --- completion of wells --- innovative technology --- UAV --- acoustic signal processing --- Euclidean distance --- underground mine --- search and rescue --- drilling --- pipe --- drill bit --- manufacturing error --- material --- model --- elastic modulus --- computational fluid dynamics --- numerical model geometry --- laser scanning --- machine diagnostics --- LHD --- engine oil pressure data --- oil pump wear --- statistical analysis --- convergence functions --- numerical modeling --- high horizontal stress --- excavations stability assessment --- mobile laser scanning --- Velodyne LiDAR --- Riegl scanning system --- open pit mine --- underground laboratory --- new ways of mine reclamation --- sustainability --- circular economy --- radar interferometry --- subsidence trough --- automatic detection --- mathematical morphology --- n/a --- Waddawalla / Well 40 (Great Sandy Desert WA SF51-08)


Book
Mining Technologies Innovative Development
Authors: ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The present book covers the main challenges, important for future prospects of subsoils extraction as a public effective and profitable business, as well as technologically advanced industry. In the near future, the mining industry must overcome the problems of structural changes in raw materials demand and raise the productivity up to the level of high-tech industries to maintain the profits. This means the formation of a comprehensive and integral response to such challenges as the need for innovative modernization of mining equipment and an increase in its reliability, the widespread introduction of Industry 4.0 technologies in the activities of mining enterprises, the transition to "green mining" and the improvement of labor safety and avoidance of man-made accidents. The answer to these challenges is impossible without involving a wide range of scientific community in the publication of research results and exchange of views and ideas. To solve the problem, this book combines the works of researchers from the world's leading centers of mining science on the development of mining machines and mechanical systems, surface and underground geotechnology, mineral processing, digital systems in mining, mine ventilation and labor protection, and geo-ecology. A special place among them is given to post-mining technologies research.

Keywords

underground mining --- ventilation systems --- methane release hazard --- spontaneous combustion hazard --- safety --- copper ore comminution --- hydro-jet mill --- high-pressure water jet --- deep underground min --- IoT devices --- smartphone --- gas hazards --- Industry 4.0 in mining --- ball mills --- energy efficiency --- internal dynamics --- DEM model --- resonance oscillations --- measurements --- drilling rig --- process monitoring --- operational cycles --- sound measurement --- electric current acquisition --- threshold-based segmentation --- envelope spectrum --- safety function --- electro-hydraulic control system --- powered roof support --- textile conveyor belts --- multiply conveyor belts --- multiply belt splices --- laboratory splice tests --- fluid coupling --- ball mill --- electric motor --- drive system --- grinding --- energetic efficiency --- surface mining --- mining equipment --- multiple criteria decision making (MCDM) --- ELECTRE III --- thermal imaging --- belt conveyor --- diagnostics --- mechanical failure --- preventative maintenance --- well reamer --- rock mass --- intensification of production --- nonlinear law --- completion of wells --- innovative technology --- UAV --- acoustic signal processing --- Euclidean distance --- underground mine --- search and rescue --- drilling --- pipe --- drill bit --- manufacturing error --- material --- model --- elastic modulus --- computational fluid dynamics --- numerical model geometry --- laser scanning --- machine diagnostics --- LHD --- engine oil pressure data --- oil pump wear --- statistical analysis --- convergence functions --- numerical modeling --- high horizontal stress --- excavations stability assessment --- mobile laser scanning --- Velodyne LiDAR --- Riegl scanning system --- open pit mine --- underground laboratory --- new ways of mine reclamation --- sustainability --- circular economy --- radar interferometry --- subsidence trough --- automatic detection --- mathematical morphology --- n/a --- Waddawalla / Well 40 (Great Sandy Desert WA SF51-08)

Listing 1 - 10 of 11 << page
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