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Search results: "yovvoyi o'tlarning tabiatdagi roli"

15 files found

suv oʻtlari, ularni tabiatda va inson hayotidagi roʻli — DOCX

suv oʻtlari, ularni tabiatda va inson hayotidagi roʻli

30 pages 1.3 MB

uglerod, azot, oltingugurt, fosfor va temirni tabiatda aylanishida mikroorganizmlarning roli (4-ma’ruza) — PPT

uglerod, azot, oltingugurt, fosfor va temirni tabiatda aylanishida mikroorganizmlarning roli (4-ma’ruza)

46 pages 3.6 MB

tabiatda uglerod va azot aylanishida mikroorganizmlarning roli aerob va anaerob sharoitda kletchatkani parchalovchi mikroblar — PPTX

tabiatda uglerod va azot aylanishida mikroorganizmlarning roli aerob va anaerob sharoitda kletchatkani parchalovchi mikroblar