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Maxsus qog‘oz turlarida olingan nusxalarni koloristik ko‘rsatkichlari

Fan yo'nalishi:Kimyoviy muhandislikSanoat va ishlab chiqarish muhandisligiMaterialshunoslik ​
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“O‘ZBEKISTON TO‘QIMACHILIK JURNALI” Ilmiy-texnikaviy jurnal

“O‘ZBEKISTON TO‘QIMACHILIK JURNALI” Ilmiy-texnikaviy jurnal

Maqola chop etishsee more

MAQOLA ANNOTATSIYASI

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Ushbu maqolada tarkibiga pillakashlik chiqindilari va sintetik nitron tolasi qoldiqlari kiritilgan maxsus qog‘ozlarda raqamli bosish usuli orqali olingan nusxalarning koloristik ko‘rsatkichlarini o‘rganish natijalari ko‘rib chiqilgan. Tadqiqotning maqsadi ranglarni qayd etish sifatini miqdoriy baholash va yuqori sifatli bosma nashrlarni olish uchun qog‘oz tarkibining optimal kompozitsiyasini aniqlashdan iborat bo‘ldi. Asl nusxa sifatida standart kseroks qog‘ozida chop etilgan to‘rt rangli nazorat shkaladan foydalanildi, taqqoslash esa yaponiyada ishlab chiqarilgan “CM 3600d” spektrodensitometri yordamida o‘lchangan L, a, b koordinatalari asosida (ΔE) rang kontrasti qiymatini hisoblash yo‘li bilan amalga oshirildi. Eksperimentlar shuni ko‘rsatdiki, asl nusxa va yangi qog‘oz namunalari orasidagi rang kontrasti standart chegaralardan oshmadi, bu esa ranglarning qoniqarli darajada qayd etilishini bildiradi. Ayniqsa, qog‘oz massasiga 5% pillachilik chiqindilari va 5% poliakrilonitril asosidagi nitron tolasi qo‘shilganda a’lo natijalarga erishildi. Tarkibida paxta sellyulozasi bilan birga pillachilik va sintetik tola chiqindilari mavjud bo‘lgan qog‘ozlarga chop etilgan nusxalarda, olingan farqlanish qiymatlari ranglarni qayd etish sifatining yuqoriligini ko‘rsatdi. Shunday qilib, maxsus bosma qog‘ozlar ishlab chiqarishda ikkilamchi tolalardan foydalanish maqsadga muvofiqdir. Bu esa nafaqat mahsulot tannarxini pasaytiradi, balki resurslardan oqilona foydalanish va to‘qimachilik chiqindilarini qayta ishlash imkonini ham beradi.

MUALLIFLAR

S.Kamalova

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Teglar

# koloristik ko‘rsatkichlar# maxsus qog‘oz# nitron tolasi chiqindilari# pillakashlik chiqindilari# raqamli bosish# rang kontrasti# ranglarni qayd etish# qog‘oz ishlab chiqarish

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Foydalanilgan adabiyotlar

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