Fan va texnologiyalar taraqqiyoti 5-son · 09.10.2025 Akril kislota asosida bioparchalanvchan gidrogellar olish: suv yutish va saqlab turish shuningdek qishloq xo‘jaligi hamda ekologik barqarorlikka ta’siri NARZULLAYEV B.A., SHIRINOV SH.D., DJALILOV A.T. Sahifalar 156–163 3 PDF