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Mechanical and energy dissipation characteristics of granite under cyclic impact loading
This study investigated the effect of repeated blasting on the stability of surrounding rock during the construction of a tunnel or city underground...
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Cassiterite beneficiation in China: A mini-review
Tin is indispensable for the development of advanced technology and cassiterite is the only mineral of commercial importance, from which tin can be...
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Displacement behavior and mechanism of long-term water flooding in sandstone oil reservoirs
Sandstone oil reservoirs with huge bottom water and high permeability are generally developed with high flow rate. After long-term water flooding...
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Improving effect of carbonized quantum dots (CQDs) in pure copper matrix composites
Carbon quantum dots (CQDs), which contain a core structure composed of sp 2 carbon, can be used as the reinforcing phase like graphene and carbon...
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Biodissolution of pyrite and bornite by moderate thermophiles
Acid mine drainage (AMD) has become a widespread environmental issue and its toxicity can cause permanent damage to the ecosystem. However, there are...
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Effect of particle size on bioleaching of low-grade nickel ore in a column reactor
Biological column leaching of Ni from low-grade Ni ore was studied, and the effects of ore particle size on leaching rate were investigated. The Ni...
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Microwave pretreatment for enhanced selective nitric acid pressure leaching of limonitic laterite
As clean energy, the microwave is commonly used to pretreat various ores. In this work, the microwave dielectric properties of limonitic laterite ore...
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Hydration phase and pore structure evolution of hardened cement paste at elevated temperature
To understand the effect of steam curing temperature on the hydrate and microstructure of hardened cement paste, several measuring methods including...
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Effect of textural characteristics on engineering properties of some sedimentary rocks
As it is commonly known, the estimation of physical and mechanical characteristics of rocks is very important issue in various geotechnical projects....
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Mechanical properties of bimrocks with high rock block proportion
For the investigation of mechanical properties of the bimrocks with high rock block proportion, a series of laboratory experiments, including...
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Effect of reductant sodium bentonite content and reaction temperature in sponge iron production from composite pellets
In recent years, composite pellet production with added reductant has been developed instead of traditional iron production. Composite pellets...
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Influence of material uncertainties on thermo-mechanical postbuckling behaviour of graphene reinforced functionally graded porous beams
This paper aims to investigate the influence of material uncertainties on the postbuckling behaviour of functionally graded porous beams reinforced...
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Modeling heap biooxidation of arsenic-bearing gold ore
To design heap biooxidation process, it is necessary to understand its internal rules. The heap biooxidation of gold ore from Anhui province was...
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AE waveform characteristics of rock mass under uniaxial loading based on Hilbert-Huang transform
Acoustic Emission (AE) waveforms contain information on microscopic structural features that can be related with damage of coal rock masses. In this...
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Freeze-thaw damage mechanism of elastic modulus of soil-rock mixtures at different confining pressures
As a frequently-used roadbed filler, soil-rock mixture is often in the environment of freeze-thaw cycles and different confining pressures. In order...
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Recovery of Zn, Pb, Fe and Si from a low-grade mining ore by sulfidation roasting-beneficiation-leaching processes
To recover Zn, Pb, Fe and Si from a low-grade mining ore in the Lan** basin, Yunnan Province, China, a novel technology using the roasting with...
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Preparation of low-temperature sintered high conductivity inks based on nanosilver self-assembled on surface of graphene
Finer nanoplates of silver are prepared by self-assembly on the surface of graphene, and the low-temperature sintered high conductivity ink...
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Separation and purification of tantalum from plumbomicrolite of amazonite deposit in Kola Peninsula by acid leaching and solvent extraction
A plumbomicrolite concentrate (PMC) was leached with the mixture of HF and H 2 SO 4 , HF and HNO 3 acids, respectively. Optimal conditions ensuring high...
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Tribological behavior of Cu-15Ni-8Sn/graphite under sea water, distilled water and dry-sliding conditions
The tribological behaviors of Cu-15Ni-8Sn/graphite composites with the graphite content of 38 vol.% against AISI321 stainless steel under...
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Effects of MgO additive on metallurgical properties of fluxed-pellet
As a main charging burden of blast furnace (BF) ironmaking process, pellets play an important role in ironmaking process. However, compared with...