共 50 条
- [1] FLASH HYDROGENATION OF COAL .3. A SAMPLE OF UNITED-STATES COALS [J]. FUEL, 1983, 62 (01) : 56 - 61
- [3] A COMPARATIVE-STUDY OF 8 UNITED-STATES COALS BY SEVERAL DIFFERENT PYROLYSIS MASS-SPECTROMETRY TECHNIQUES [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1990, 200 : 12 - FUEL
- [4] THE UNITED-STATES AND JAPANESE SPACE PROGRAMS - A COMPARATIVE-STUDY [J]. SPACE POLICY, 1991, 7 (03) : 233 - 256
- [8] COMPARISON OF RUHR AND UNITED-STATES COALS USING HYDROGENATION EXPERIMENTS [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1984, 37 (07): : 300 - 302
- [9] ECONOMIC LITERACY IN THE UNITED-KINGDOM AND THE UNITED-STATES - A COMPARATIVE-STUDY [J]. JOURNAL OF ECONOMIC EDUCATION, 1991, 22 (02): : 101 - 110