1. Chang HY, Han WY, Zhang DX et al (2005) Study on thermally dissolved product changes of coal-oil slurry during direct coal liquefaction. J China Coal Soc 30:90–94
2. Deng CR, Mornoml H, Sanada Y (1987) Effect of preasphaltene solubility an apparent viscosity of coal slurry during high pressure liquefaction. In: 1987 international conference on coal science, Elsevier Science Publishers B V, Amsterdam, Maastricht, pp 315–318
3. Deng CR, Nio T, Sanada Y et al (1989) Relationship between swelling of coal particles and apparent viscosity of slurry during coal liquefaction for Akabira coal/creosote oil slurry system. Fuel 68:1134–1139
4. Gao SS, Zhang XW, Li KJ (2015) Study on co-processing of Xinjiang Heishan coal with medium temperature coal tar. Coal Convers 38:40–44
5. Han WY, Chang HY, Zhang DX et al (2003) Preliminary research on viscosity–temperature characteristic of coal-oil slurry. Coal Convers 26:51–54