Chao Ma

Mechanical damage mechanism of frozen coal subjected to liquid nitrogen freezing

Lei Qin, Chao Ma, Shugang Li et al. · Fuel · 2021 · 121 citations

Natural Sciences, Materials Science, Mining Engineering +13

Gas adsorption capacity changes in coals of different ranks after liquid nitrogen freezing

Lei Qin, Ping Wang, Shugang Li et al. · Fuel · 2021 · 99 citations

Engineering, Chemical Engineering, Mining Engineering +8

Quantitative characterization of the pore volume fractal dimensions for three kinds of liquid nitrogen frozen coal and its enlightenment to coalbed methane exploitation

Lei Qin, Ping Wang, Haifei Lin et al. · Energy · 2022 · 78 citations

Engineering, Chemical Engineering, Mining Engineering +15

Gas Adsorption Capacity of Coal Frozen with Liquid Nitrogen and Variations in the Proportions of the Organic Functional Groups on the Coal after Freezing

Lei Qin, Ping Wang, Shugang Li et al. · Energy & Fuels · 2021 · 41 citations

Natural Sciences, Chemical Engineering, Chemistry +13

Gas explosion suppression by ammonium dihydrogen phosphate-modified dry water powder

Qiuhong Wang, Chao Ma, Jun Deng et al. · Powder Technology · 2023 · 40 citations

Engineering, Chemical Engineering, Materials Science +8