共 50 条
- [31] Management, Productivity, and Technology Choices: Evidence from US Mining Schools JOURNAL OF ECONOMIC HISTORY, 2022, 82 (02): : 612 - 612
- [33] Development course and outlook of fully mechanized top coal caving mining technology in Yanzhou mining area Meitan Xuebao/Journal of the China Coal Society, 2010, 35 (11): : 1778 - 1782
- [34] Advances in synthetic injection technology, do they improve tunnel construction productivity? UNDERGROUND SPACE - THE 4TH DIMENSION OF METROPOLISES, VOLS 1-3, 2007, : 307 - 310
- [36] THE TECHNOLOGY OF UTILIZING MICROORGANISM IN FEED TO IMPROVE RUMINANT PRODUCTIVITY IN INDONESIA: A REVIEW WARTAZOA-BULETIN ILMU PETERNAKAN DAN KESEHATAN HEWAN INDONESIA, 2005, 15 (04): : 173 - 186
- [37] Technology intervention to improve the energy efficiency and productivity of silk reeling sector BIOMASS & BIOENERGY, 2004, 26 (02): : 195 - 203