Txoj moo
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Kev ua tsov rog nrog plastics cov tshuab ntim khoom siv dawb
Yas ua lub luag haujlwm tseem ceeb hauv lub koom haum niaj hnub no vim nws cov khoom siv tsis zoo, tab sis kev tsim khoom siv rau cov neeg tsis zoo rau tib neeg, ib puag ncig, thiab kev lag luam. Cov teeb meem thoob ntiaj teb qias neeg paug tsis taus ...Nyeem ntxiv -
UK tsoomfwv tshaj tawm kev txwv ntawm cov ntaub so yas
Lub Tsoomfwv British tsis ntev los no tau tshaj tawm txog kev siv cov ntaub so ntub, tshwj xeeb yog cov yas muaj yas. Cov kev cai lij choj, uas tau teeb tsa txhawm rau siv cov ntaub so yas, los ua cov lus teb rau kev cog lus kev txhawj xeeb txog ib puag ncig thiab he ...Nyeem ntxiv -
Xyoob Papp Papermaking Txheej Txheem Thiab Khoom Siv
● xyoob purp papermaking txheej txhim kho kev loj hlob thiab siv cov txheej txheem xyoob, thev naus laus zis tshiab, uas tau zoo dua txhim kho tus nqi ntawm xyoob. Lub De ...Nyeem ntxiv -
Tshuaj Kho Mob Ntawm Cov Khoom Siv xyoob
Cov ntaub ntawv xyoob muaj cov ntsiab lus cellulose siab, slender fiber ntau, cov kws kho zoo ib yam thiab cov yas. Raws li cov khoom siv zoo rau cov khoom siv roj raw, xyoob tuaj yeem ntsib lub sam thiaj li ua tau me me.Nyeem ntxiv -
Cov phuam mos muag muag
Nyob rau hauv xyoo tsis ntev los no, cov phuam so muag tau tau txais cov koob meej rau lawv yooj yim ntawm kev siv, versatility, thiab kev xav zoo heev. Nrog ntau txoj kev xaiv muaj nyob hauv kev ua lag luam, nws tuaj yeem dhau los xaiv txoj cai muag phuam uas haum rau koj ...Nyeem ntxiv -
Tshawb cov xyoob hav zoov Hav Zoov Liaj-Mousuan City
Sichuan yog ib thaj chaw tseem ceeb ntawm Tuam Tshoj txoj kev lag luam xyoob. Qhov teeb meem ntawm "Golden SignBoard" coj koj mus rau Lub Nroog Ntau, los ua tim khawv li cas Bamboo tau dhau los ua kev lag luam billion-las ...Nyeem ntxiv -
Leej twg tsim papermaking? Dab tsi yog qee qhov nthuav tawm me me?
Papermaking yog ib qho ntawm plaub qhov kev tsim tawm loj ntawm Tuam Tshoj. Nyob rau sab hnub poob Han dynasty, cov neeg twb to taub cov txheej txheem theem pib ntawm papermaking. Nyob rau sab hnub tuaj Han dynasty, eunuch CAI LUN Sumperized kev paub ntawm nws tus pr ...Nyeem ntxiv -
Zaj dab neeg ntawm xyoob Pulp ntawv pib zoo li no ...
Tuam Tshoj plaub qhov kev cuam tshuam loj papermaking yog ib qho ntawm Tuam Tshoj plaub qhov kev cuam tshuam zoo. Daim ntawv yog lub crystallization ntawm lub sijhawm ntev thiab muaj kev txawj ntse ntawm cov neeg Suav thaum ub ua haujlwm. Nws yog ib qho kev tsim muaj nyob hauv keeb kwm ntawm tib neeg kev vam meej. Hauv thawj ...Nyeem ntxiv -
Yuav ua li cas xaiv Bamboo cov ntaub ntawv ntawv raug?
Xyoob daim ntaub ntawv tau muaj cov muaj suab npe nrov raws li lwm txoj kev xaiv kom muaj kev xaiv rau cov ntawv luam yeeb. Txawm li cas los xij, nrog ntau txoj kev xaiv muaj, xaiv txoj cai ib qho tuaj yeem yog kev ntxhov siab dhau. Ntawm no yog cov lus qhia los pab koj ua qhov kev txiav txim siab paub: ...Nyeem ntxiv -
Cov phom sij ntawm cov ntaub hoob nab (muaj cov tshuaj chlorinated) rau lub cev
Ntau cov chloride cov ntsiab lus tuaj yeem cuam tshuam nrog cov hluav taws xob sib npaug ntawm lub cev, ua rau cov txheej txheem cellular poob thiab tsis zoo cov txheej txheem metabolic. 1 ...Nyeem ntxiv -
Xyoob Pulp Ntuj Xim Cov Ntaub Ntawv Vs Ntoo Pulp Pulp Dawb Cov Nqaij
Thaum nws los xaiv ntawm xyoob ntawv phuam ntoo nab thiab ntoo pulp dawb ntawv, nws yog ib qho tseem ceeb uas yuav tsum xav txog kev noj qab haus huv rau peb kev noj qab haus huv thiab ib puag ncig. Dawb ntoo pulp ntawv so tes, feem ntau pom ntawm ...Nyeem ntxiv -
Yuav ua li cas yog daim ntawv rau ntim khoom siv dawb?
Nyob rau hauv lub ntiaj teb ib puag ncig, qhov kev thov rau ntim yas dawb yog nyob rau sawv. Raws li cov neeg siv khoom tau paub ntau dua ntawm kev cuam tshuam ntawm yas rau ib puag ncig, kev lag luam yog nrhiav kev xaiv kom muaj lwm txoj kev sib xws. Ib tug xws li ...Nyeem ntxiv
