Showing 2,241 - 2,260 results of 24,420 for search '(( significant decrease decrease ) OR ( significant ((sources decrease) OR (resources increase)) ))', query time: 0.46s Refine Results
  1. 2241
  2. 2242
  3. 2243
  4. 2244

    Data sources and descriptions. by Zeduo Zou (21672789)

    Published 2025
    “…As the results show, during the study period: (1) Temporal Trends: annual PM2.5 concentrations exhibited significant declines, with BTH decreasing from 1004.71 μg/m<sup>3</sup> (2006) to 528 μg/m<sup>3</sup> (2020), YRD from 1434.81 μg/m<sup>3</sup> (2008) to 621 μg/m<sup>3</sup>, and PRD from 405.02 μg/m<sup>3</sup> (2007) to 292 μg/m<sup>3</sup>. …”
  5. 2245
  6. 2246
  7. 2247
  8. 2248
  9. 2249
  10. 2250
  11. 2251
  12. 2252
  13. 2253
  14. 2254
  15. 2255
  16. 2256
  17. 2257
  18. 2258
  19. 2259
  20. 2260

    Fig 20 - by Zhezhe Zhang (19704587)

    Published 2024
    Subjects: