Ua ntawv

Kev ua ntawv tau zoo dua nyob rau hauv txog lub xyoo105 ADlos ntawmCai Lun, uas yog ib tug imperial tsev hais plaub official ntawm lubHan Dynasty(206 BC-220 AD).Ua ntej invention ntawm tom qab ntawv, cov neeg thaum ub los ntawm thoob plaws lub ntiaj teb no tau sau cov lus ntawm ntau yam khoom ntuj xws linplooj(los ntawm Indians),cov tawv nqaij(Tej zaum Europe),pob zeb, thiabav daim hlau(los ntawm Mesopotamians).Cov neeg Suav sivxyooblos yogntoo strips,tortoise plhaub, los yoglub xub pwg hniav ntawm ib tug oxsau cov xwm txheej tseem ceeb.Cov phau ntawv sau rau ntawm xyoob strips hnyav heev thiab siv ntau qhov chaw.

Tom qab ntawd, cov neeg Suav tau tsim ib hom ntawv ua los ntawm cov ntaub lo lo ntxhuav, uas yog sib zog dua li cov strips.Daim ntawv hu ua bo.Nws yog kim heev uas nws tsuas siv tau nyob rau hauv lub imperial tsev hais plaub los yog tsoom fwv.

Ua ib hom ntawv pheej yig Cai Lun siv qub rags,nuv ntses nets,hemp khib,mulberry fibers, thiablwm yam bass fibersua ib hom ntawv tshiab.Ua ib daim ntawv, cov tshuaj no yogrov ua dua,pounded,ntxuav,boil,ua tsaug, thiabbleached.Cov ntawv zoo li no tau sib dua thiab pheej yig dua li yav dhau los.Thiab nws yog tsim nyog rau kev sau ntawv nrog ib tug Suav txhuam.

Cov txheej txheem ntawm kev ua ntawvkis musmus rau cov teb chaws Esxias nyob ze, xws li Nyiv, Kaus Lim Kauslim, Nyab Laj, thiab lwm yam.Los ntawmTang Dynasty(618-907) rauMing Dynasty(1368-1644), Suav papermaking cov txheej txheem kis thoob plaws ntiaj teb uasua ib qho kev pab zoo raukev vam meej ntawm lub ntiaj teb,nrog rau movable hom luam ntawv.

Kev tshwm sim thiab kev loj hlob ntawm cov ntawv ua thiab luam ntawv cov txheej txheem, tawm ntau cov ntaub ntawv ntawm cov neeg zoo tib yam hauv keeb kwm thiab ua kom peb nkag siab txog keeb kwm.Nws tseem muaj qhov cuam tshuam tsis zoo rau kev luam ntawvluam ntawv napkins,luam ntawv daim hlauthiabcov khob luam ntawvntawm ntawv.