共 50 条
- [1] Research on hard coal. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1912, 154 : 1094 - 1097
- [3] PARAMAGNETISM OF THE PETROGRAPHIC COMPONENTS OF HARD COAL. Solid Fuel Chemistry, 1979, 13 (05): : 13 - 17
- [4] Experiments on the absorption of gas by hard coal. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1914, 158 : 573 - 576
- [6] On the formation of layers of stipite, hard brown coal and brown coal. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1900, 130 : 1687 - 1690
- [7] BOWL MILL CRUSHERS FOR PULVERIZING HARD COAL. Ball and Roller Bearing Engineering, 1980, 19 (02): : 16 - 18