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Determination of optimal blowing-to-suction flow ratio in mechanized excavation face with wall-mounted swirling ventilation using numerical simulations

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (2)

Wall-mounted swirling ventilation is a new type of system in mechanized excavation faces with a dust suppression performance that is closely related t......

Current status of national integrated gasification fuel cell projects in China

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (3)

Coal has been the main energy source in China for a long period. Therefore, the energy industry must improve coal power generation efficiency and achi......

Study on the operating parameters of the 10 kW SOFC-CHP system with syngas

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (4)

Solid oxide fuel cell combined with heat and power (SOFC-CHP) system is a distributed power generation system with low pollution and high efficiency. ......

Slope stability of increasing height and expanding capacity of south dumping site of Hesgoula coal mine: a case study

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (3)

This paper is devoted to improve the containment capacity of the Hesgoula south dumping site. The general geology of the dumping site was obtained thr......

Combined support mechanism of rock bolts and anchor cables for adjacent roadways in the external staggered split-level panel layout

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (4)

Using the spatial structure of the external staggered split-level panel layout, a combined support technology for adjacent roadways was developed and ......

Breaking and mining-induced stress evolution of overlying strata in the working face of a steeply dipping coal seam

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (4)

The breaking features and stress distribution of overlying strata in a steeply dipping coal seam (SDCS) differ significantly from those in a near-hori......

Coal-bearing strata sequence stratigraphy of Paleogene Meihe Formation, Meihe Basin, NE China

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (4)

The Meihe Basin is an important Paleogene coal-bearing basin located in the Dunhua-Mishan Fault Zone, northeastern China. Based on a comprehensive stu......

Water-retaining properties of NCZ composite dust suppressant and its wetting ability to hydrophobic coal dust

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (2)

Coal dust is a primary threat to underground coal miners. The most common approach to control coal dust is hydraulic methods, such as water spray and ......

Development of catalytic combustion and CO2 capture and conversion technology

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (3)

Changes are needed to improve the efficiency and lower the CO2 emissions of traditional coal-fired power generation, which is the main source of globa......

Key CO2 capture technology of pure oxygen exhaust gas combustion for syngas-fueled high-temperature fuel cells

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (3)

Integrated gasification fuel cells (IGFCs) integrating high-temperature solid oxide fuel cell technology with CO2 capture processes represents highly-......

Arbuscular mycorrhizal symbiosis facilitates apricot seedling (Prunus sibirica L.) growth and photosynthesis in northwest China

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (4)

Arbuscular mycorrhizal (AM) fungi can successfully enhance photosynthesis (P-n) and plants growth in agricultural or grassland ecosystems. However, ho......

Development of new technology for coal gasification purification and research on the formation mechanism of pollutants

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (3)

Coal-fired power generation is the main source of CO2 emission in China. To solve the problems of declined efficiency and increased costs caused by CO......

Effect of alkali metal ions on the formation mechanism of HCN during pyridine pyrolysis

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (3)

The catalytic effects of alkali metal ions (Na+ and K+) on NOx precursor formation during coal pyrolysis were investigated using the N-containing comp......

Physicochemical factors affecting the wettability of copper mine blasting dust

期刊: INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY, 2021; 8 (2)

To investigate the factors affecting the wettability of copper mine blasting dust, the primary blasting dust was collected from an open-pit copper min......

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