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Toplam kayıt 60, listelenen: 51-60
INCIDENTAL RELEASE OF BITUMEN DURING OIL SHALE GRINDING AND IMPACTS ON OIL SHALE BENEFICIATION
(Estonian Academy Publishers, 2009)
The particle surface characteristics of oil shale and the changes in these characteristics with increasing fineness were determined. FTIR and electro-kinetic studies showed that the surfaces of oil shale particle were ...
Analysis of grinding media effect on specific breakage rate function of particles in a full-scale open circuit three-compartment cement ball mill
(Pergamon-Elsevier Science Ltd, 2015)
A full-scale three-compartment FLSmidth (R) cement grinding ball mill with dimensions of empty set3.5 x L10 operating in open circuit was sampled to analyse the grinding media effect on specific breakage rate function of ...
Studies on increasing the performance of chain saw machines for mechanical excavation of marbles and natural stones
(Pergamon-Elsevier Science Ltd, 2014)
Slow cutting rate, tool wear and shallow depth of cuts are important practical issues observed with the commercially available chain saw machines. This paper is concerned with increasing the performance of current chain ...
Assessing Rock Mass Permeability Using Discontinuity Properties
(Elsevier Science Bv, 2017)
Field measurement of rock mass permeability is essential that numerous factors influence its directional magnitude. Lugeon test is a popularly conducted field instrument in order to measure hydraulic conductivity of a rock ...
Effect of High Pressure Grinding Rolls (HPGR) pre-grinding and ball mill intermediate diaphragm grate design on grinding capacity of an industrial scale two-compartment cement ball mill classification circuit
(Pergamon-Elsevier Science Ltd, 2016)
Effect of High Pressure Grinding Rolls (HPGR) pre-grinding and two-compartment ball mill intermediate diaphragm grate design on grinding capacity of an industrial scale conventional two-compartment ball mill cement grinding ...
Advances on the fragmentation-energy fan concept and the swebrec function in modeling drop weight testing
(MDPI, 2021)
The breakage index equation (BIE), or t10 model from drop weight testing (DWT) data for rocks and ores is used in the design of crushers and mills. Such models are becoming increasingly difficult to visualize as the number ...
Combined effect of pyrometallurgical and hydrometallurgical processes on quartz ore purification
(Chamber of Mining Engineers of Turkey, 2021)
Recent advances in high-tech applications have highlighted the growing demand on highly pure silicates like quartz. Therefore, purification of quartz ore was determined as the subject of this study performed by pyrometallurgical ...
AŞIRI DEFORMASYONA MARUZ KALAN GALERİDE ÇOK KATMANLI TAHKİMAT SİSTEMİNİN UYGULANMASI
(Baski, 2019)
Underground mine openings are driven by installation of light supports as possible as engineering norms dictate. It is possible to ensure adequate advance rates and cost by employing such light support systems. If the ...
Phase variation and mechanical properties of waste calcium carbonate to substitute quartz in composite slab production
(John Wiley and Sons Inc, 2023)
Owing to the fast-emerging nature and rapid advancements in the construction industry, huge volumes of marble dust (MD) are generated as reject during slab cutting in marble processing, causing significant environmental ...
Susceptibility to cyanidation of pyrrhotite-associated gold in pyrite calcines from (non)oxidizing roasting environments
(Elsevier Ltd, 2023)
The susceptibility to leaching of pyrrhotite-associated gold in roasted pyrite calcines was studied, with emphasis on the effects of the roasting environment and galvanic contacts under cyanidation conditions. The first ...