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Yim Qhov Taw Qhia ntawm Daim Ntawv Toilet

Daim ntawv tso zis tso quav yog ib yam khoom siv tu cev tseem ceeb tshaj plaws hauv peb lub neej txhua hnub.Nws yog ib qho tseem ceeb uas yuav tsum tau muaj rau peb txhua hnub.Yog li, koj paub ntau npaum li cas txog daim ntawv tso quav?Koj puas tuaj yeem txiav txim siab nws qhov zoo thiab qhov tsis zoo thiab xaiv qhov tsim nyog?Yuav ua li cas txog ib?
Qhov tseeb, muaj yim yam qhia txog ntawm daim ntawv tso quav tso quav:
Kev tshwm sim: Thaum koj saib cov ntim sab nrauv, koj yuav tsum xub xyuas lub ntim sab nraud thaum xaiv daim ntawv tso quav tso quav.Lub ntim thiab sealing ntawm cov khoom yuav tsum zoo huv si thiab ruaj khov, tsis muaj kev puas tsuaj;lub ntim yuav tsum tau luam tawm nrog lub npe ntawm cov chaw tsim khoom, hnub tsim khoom, qib khoom (cov khoom lag luam zoo, cov khoom tsim nyog), tus lej tus qauv tau txais, thiab tus naj npawb ntawm cov qauv siv huv huv.Qhov thib ob, saib cov tsos ntawm daim ntawv, qhov saum npoo ntawm daim ntawv yuav tsum huv si, yuav tsum tsis muaj qhov pom tseeb tuag folds, tsis xws luag, kev puas tsuaj, lumps nyuaj, nyom nyom nyom, pulp lumps thiab lwm yam ntaub ntawv kab mob thiab impurities, thiab yuav tsum muaj. tsis txhob loj lint los yog shedding thaum siv daim ntawv hmoov tshwm sim, yuav tsum tsis muaj residual printing number case nyob rau hauv daim ntawv.
Quantitative: Hais txog seb qhov hnyav lossis pes tsawg daim ntawv txaus.Raws li kev cai lij choj, feem ntau, cov ntsiab lus ntawm cov khoom lag luam yog 50 grams txog 100 grams, thiab qhov tsis zoo sib txawv yuav tsum tsis pub tshaj 4.5 grams;cov khoom ntawm 200 grams mus rau 300 grams yuav tsum tsis txhob ntau tshaj 9 grams.

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Whiteness: Qhov dawb ntawm daim ntawv tso quav tso quav muaj feem xyuam nrog cov khoom siv raw, xws li kev xaiv cov paj rwb thiab cov ntaub ntawv ntoo.Yog hais tias cov paj rwb pulp ntxiv nrog cov hmoov txhuv nplej siab, qhov ntom ntawm cov hmoov nplej yuav zoo li qub thiab zoo nkauj.Raws li yav dhau los thaum tib neeg starched cov nplooj ntawv (paj rwb quilts, siv paj rwb fabrics), cov paj rwb ntaub yog huv si thiab huv si tsis muaj wrinkles tom qab starched.Siv cov paj rwb stalks thiab paj rwb linters li raw cov ntaub ntawv, nws yog tsim los ntawm cua sov nrog ib tug tsim nyog tus nqi ntawm alkaline dej ntawm qhov kub thiab txias, thiab nws muaj kuj ntshiab cellulose.Cov fibers yog slender thiab elastic, tawv thiab foldable, thiab muaj zoo absorbency.Lub resulting ntawv yog zoo thiab mos nrog ib tug high degree ntawm opacity.Paj rwb linters yog cov coarse batts uas tau lim los ntawm thawj txheej txheem ntawm ginning zoo batt feem ntawm paj rwb rau weaving.Piv txwv li, paj rwb stalks yog nplua nuj nyob rau hauv cov nroj tsuag fibers, thiab ib co luv fibers nyob rau hauv paj rwb noob (cov noob plaub hau).Cov fibers luv luv no tau tev tawm nrog lub tshuab fluffing, uas yog hu ua "cotton linters".Cov paj rwb linters yog tsim los ntawm peb ntu;thawj feem los ntawm cov fibers ntev ntawm "cov plaub hau taub hau";qhov thib ob yog los ntawm cov fibers ntawm cov noob uas tawg los ntawm gin;qhov thib peb yog luv luv thiab ntom fibers, uas yog lub ntsiab ntawm cov paj rwb linters.


Post lub sij hawm: May-27-2022