Verlag: China University of Mining and Technology Press, 2021
ISBN 10: 756465130X ISBN 13: 9787564651305
Sprache: Englisch
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Paperback.Pub Date:2021-09-01 Pages:207 Language:Chinese Publisher:China University of Mining and Technology Press For the technical problems encountered. the research method combining field observation. laboratory test. theoretical analysis and numerical simulation calculation is used to summarize and propose the gas gushing law of low permeability coal seam. the deformation mechanism and supporting technology of surrounding rock in the roadway of soft coal seam. and the low permeability coa.
Verlag: China Railway Publishing House, 2000
ISBN 10: 7113087019 ISBN 13: 9787113087012
Sprache: Chinesisch
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Language:Chinese.Paperback. Publisher: China Railway.
Verlag: China University of Mining and Technology Press, 2021
ISBN 10: 756465130X ISBN 13: 9787564651305
Sprache: Chinesisch
Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Paperback.Pub Date:2021-09-01 Pages:207 Language:Chinese Publisher:China University of Mining and Technology Press For the technical problems encountered. the research method combining field observation. laboratory test. theoretical analysis and numerical simulation calculation is used to summarize and propose the gas gushing law of low permeability coal seam. the deformation mechanism and supporting technology of surrounding rock in the roadway of soft coal seam. and the low permeability coa.