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Article
Multi-scale pore structure characteristics of coal under alternating hydraulic intrusion pressure
With the increase of coal mining depth, coal seam has the characteristics of complex pore structure and low porosity under the influence of ground stress, which limits the effect of coal seam water injection. ...
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Article
Evolution rules of coal mesopore structure under the action of hydraulic coupling
In order to study the influence of the cycle of water injection pressure and cycle of ground stress on the mesopore structure of coal during the coal seam water injection process, this paper uses low-field nuc...
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Article
Influencing factors and mechanism of CO2 adsorption capacity of FA-based carbon sequestration materials
Carbon dioxide mineral carbonisation is a means to achieve permanent carbon dioxide storage, this paper to solid waste materials as the main raw material to prepare fly ash-based carbon dioxide storage materia...
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Article
Performance optimization and mechanism analysis of applied Enteromorpha-based composite dust suppressant
In order to solve the problem of environmental pollution caused by the escape of coal dust in open-pit coal mines, a composite dust suppressant was prepared from Enteromorpha, and the preparation factors (wate...
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Article
Influence law of structural parameters of pressure-swirl nozzle on atomization effect based on multiscale model
The dust pollution at the fully mechanized heading face has seriously threatened the health of the miners. As the main technical means, the outer spray of a roadheader has the problems of small coverage of the...
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Article
Rapid evaluation method of eating quality based on near-infrared spectroscopy for composition and physicochemical properties analysis of rice grains
The eating quality of rice is a trait of high interest to breeders and consumers, but the existing detection methods are damaging, time consuming, or subjective. The composition and physicochemical properties ...
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Article
Review and prospects of mining chemical dust suppressant: classification and mechanisms
Coal mine pollution is a serious threat to the mine safe production and occupational health of miners. Chemical dust suppression can effectively reduce the concentration of coal dust and suppress the re-entrai...
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Article
Study on the effect of injection rate on the fracture initiation and extension in cement-sand slurry specimens
This paper investigates the influence of different fracturing fluid injection rates on various fracturing parameters of cement-sand slurry specimens, besides the fracture shapes and extension patterns produced...
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Article
Preparation and evaluation of humic acid–based composite dust suppressant for coal storage and transportation
To mitigate environmental pollution caused by the escape of dust during coal storage and transportation, humic acid (HA) and grafted acrylamide (AM) were used as raw materials to prepare a composite dust suppr...
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Article
Preparation and performance of a biological dust suppressant based on the synergistic effect of enzyme-induced carbonate precipitation and surfactant
To control the dust pollution caused by open-pit coal mining and reduce or avoid the secondary hazards of existing dust suppressants to the environment, a biological dust suppressant was prepared through the s...
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Article
Numerical simulation study on the seepage characteristics of coal seam infusion effected by mining-induced stress
Mining-induced stress will cause the change of coal seam pore structure. However, most coal seam infusion simulation studies do not consider the change of pore with mining-induced stress. In order to study the...
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Article
The seepage characteristics of coal under the hydraulic-mechanics coupling conditions considering the variation of porosity
In order to study the seepage law of coal under the hydraulic-mechanics coupling conditions, the seepage characteristics under different axial stresses and water pressures were carried out using the multifield...
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Article
Open AccessSpecial Issue on mine dust research: health effects and control technologies
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Article
Study on dynamic damage characteristics of coal under alternating hydraulic pressure
This study uses laboratory tests and theoretical analysis to adopt a triaxial computer-controlled rock deformation system for studying the dynamic damage characteristics of coal during the process of coal seam...
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Article
Coal Dust Consolidation Using Calcium Carbonate Precipitation Induced by Treatment with Mixed Cultures of Urease-Producing Bacteria
To promote the application of microbially induced mineralization technology in the field of coal dust suppression, two urease-producing bacteria were co-cultured, with the aim to define the influence of differ...
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Article
Spray dedusting scheme under hybrid ventilation at a fully mechanized excavation face
In order to evaluate the dust suppression performance with a spraying system at the fully mechanized excavation face, an airflow–droplet–dust multiphase coupling model was established based on the Eulerian–Lag...
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Article
Experimental Study on the Pore Structure Fractals and Seepage Characteristics of a Coal Sample Around a Borehole in Coal Seam Water Infusion
Coal seam water infusion is a universal comprehensive mine disaster prevention method practiced worldwide. The result of water infusion is determined by the structure and seepage characteristics of the coal sa...
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Article
Microscale dispersion behaviors of dust particles during coal cutting at large-height mining face
In order to ensure safe production and occupational health at a large-mining-height fully mechanized mining face in a coal mine, the present study firstly establishes an airflow-dust coupled model based on gas...
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Article
Open AccessMass screening for liver cancer: results from a demonstration screening project in Zhongshan City, China
Current Chinese national guidelines recommend routine screening for liver cancer in patients positive for HBsAg, irrespective of fibrosis status, age, or family history of liver cancer. We aim to evaluate whet...
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Article
Micro-scale pollution mechanism of dust diffusion in a blasting driving face based on CFD-DEM coupled model
In order to investigate the diffuse pollution mechanisms of high-concentration dusts in the blasting driving face, the airflow-dust coupled model was constructed based on CFD-DEM coupled model; the diffusion r...
