Showing 1,001 - 1,020 results of 1,154 for search 'Air China', query time: 0.11s Refine Results
  1. 1001
  2. 1002
  3. 1003
  4. 1004

    Review of an Improved Longwall Panel Layout for Ground Control in Longwall Mining by Z. M. Cui, P. F. Wang, Z. Li, Y. Yang

    Published 2022-01-01
    “…In order to improve longwall mining, a novel alternate longwall panel layout that has been employed for over 20 years in China, Australia, and Russia, etc. is proposed termed “split-level longwall layout” (SLL). …”
    Get full text
    Article
  5. 1005
  6. 1006
  7. 1007
  8. 1008
  9. 1009
  10. 1010
  11. 1011

    Spatio-temporal evolution characteristics and influencing factors of environmental welfare performance in Chinese cities by Yipeng Zhang, Meixia Wang

    Published 2025-02-01
    “…BackgroundIn the process of China’s urbanization, issues such as air pollution, water pollution, soil pollution, and noise pollution have become increasingly prominent, severely constraining the sustainable development of cities. …”
    Get full text
    Article
  12. 1012
  13. 1013
  14. 1014
  15. 1015
  16. 1016
  17. 1017
  18. 1018
  19. 1019
  20. 1020