formalin ishlab chiqarish texnologiyasi
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mundarija kirish…………………………………………………………………………….3 adabiyotlar sharxi………………………………………………….........4 1. formalin haqida umumiy ma’lumot.…………… ……………………………...5 2. fenol formaldegid smolalarini sintezlash usullari va fizik-kimyoviy xossalari.…………………………………………………….. …............................9 3. polikondensasiya va eterifikasiya reaksiyalarining tezligi hamda monomerlar miqdorining muqobil sharoitlarini o’rganish ……………………………….…….14 4. atrof muhitni sanoat korxonalari tomonidan ifloslanishi....................................19 xulosa.................................................................................................................26 foydalanilgan adabiyotlar.................................................................28 kirish mavzuning dolzarbligi. formalin ishlab chiqarish te...
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