共 50 条
- [27] CONVERTING GAS BOILERS TO OIL AND COAL. Chemical Engineering (New York), 1976, 83 (09): : 93 - 101
- [28] INDUSTRIALIZATION AND STUDIES OF DIRECT LIQUEFACTION OF COAL. Nenryo Kyokai-Shi/Journal of the Fuel Society of Japan, 1976, 55 (594): : 809 - 819
- [29] PARAMAGNETISM OF THE PETROGRAPHIC COMPONENTS OF HARD COAL. Solid Fuel Chemistry, 1979, 13 (05): : 13 - 17