Xov xwm
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Tshawb lub Bamboo Forest Base-Muchuan nroog
Sichuan yog ib qho ntawm cov chaw tsim khoom tseem ceeb ntawm Tuam Tshoj txoj kev lag luam xyoob. Qhov teeb meem ntawm "Golden Signboard" no coj koj mus rau Lub Nroog Muchuan, Sichuan, los ua pov thawj li cas xyoob xyoob tau dhau los ua kev lag luam billions nyiaj rau cov neeg Mu...Nyeem ntxiv -
Leej twg invented papermaking? Dab tsi yog qhov nthuav me ntsis qhov tseeb?
Papermaking yog ib qho ntawm plaub qhov zoo tshaj plaws inventions ntawm Tuam Tshoj. Nyob rau hauv Western Han Dynasty, tib neeg twb nkag siab txog cov txheej txheem ntawm kev ua ntawv. Nyob rau sab hnub tuaj Han Dynasty, tus eunuch Cai Lun tau piav qhia txog qhov kev paub ntawm nws cov pr ...Nyeem ntxiv -
Zaj dab neeg ntawm xyoob pulp ntawv pib zoo li no…
Tuam Tshoj Four Great Inventions Papermaking yog ib qho ntawm Tuam Tshoj plaub qhov zoo tshaj plaws inventions. Daim ntawv yog crystallization ntawm kev paub ntev thiab kev txawj ntse ntawm cov neeg ua haujlwm Suav thaum ub. Nws yog ib tug zoo invention nyob rau hauv keeb kwm ntawm tib neeg kev vam meej. Hauv thawj ...Nyeem ntxiv -
Yuav ua li cas xaiv xyoob ntaub so ntswg kom raug?
Xyoob daim ntaub ntawv tau txais koob meej raws li kev hloov pauv mus rau cov ntaub so ntswg ib txwm muaj. Txawm li cas los xij, nrog rau ntau yam kev xaiv muaj, xaiv qhov tsim nyog tuaj yeem yooj yim. Nov yog ib daim ntawv qhia los pab koj txiav txim siab: ...Nyeem ntxiv -
Kev phom sij ntawm bleaching ntaub ntawv (muaj cov tshuaj chlorinated) rau lub cev
Cov ntsiab lus chloride ntau dhau tuaj yeem cuam tshuam nrog qhov sib npaug ntawm cov electrolyte ntawm lub cev thiab ua rau lub siab osmotic extracellular ntawm lub cev, ua rau cov dej hauv cellular poob thiab cuam tshuam cov txheej txheem metabolic. 1...Nyeem ntxiv -
Bamboo pulp ntuj xim ntaub VS ntoo pulp dawb ntaub so ntswg
Thaum nws los txog rau kev xaiv ntawm xyoob pulp ntuj ntawv phuam thiab ntoo pulp dawb ntawv phuam, nws yog ib qho tseem ceeb uas yuav tau xav txog qhov cuam tshuam rau peb txoj kev noj qab haus huv thiab ib puag ncig. Dawb ntoo pulp ntawv phuam, feem ntau pom ntawm ...Nyeem ntxiv -
Dab tsi yog daim ntawv rau ntim tsis muaj yas?
Nyob rau hauv lub ntiaj teb niaj hnub no ib puag ncig kom nco ntsoov, qhov kev thov rau cov ntim tsis muaj yas yog nce. Raws li cov neeg siv khoom tau paub ntau ntxiv txog qhov cuam tshuam ntawm cov yas rau ib puag ncig, cov lag luam tab tom nrhiav lwm txoj hauv kev ruaj ntseg. Ib yam li ntawd...Nyeem ntxiv -
"ua pa" xyoob pulp fiber
Xyoob pulp fiber, muab tau los ntawm kev loj hlob sai thiab txuas ntxiv xyoob cog, yog revolutionizing kev lag luam textile nrog nws cov khoom tshwj xeeb. Cov khoom siv ntuj thiab ib puag ncig tus phooj ywg no tsis yog tsuas yog ruaj khov tab sis al ...Nyeem ntxiv -
Txoj cai loj hlob ntawm xyoob
Hauv thawj plaub mus rau tsib xyoos ntawm nws txoj kev loj hlob, xyoob tuaj yeem loj hlob ob peb centimeters, uas zoo li qeeb thiab tsis tseem ceeb. Txawm li cas los xij, pib txij xyoo thib tsib, nws zoo li tau ntxim nyiam, loj hlob wildly ntawm qhov nrawm ntawm 30 centimeters ...Nyeem ntxiv -
Cov nyom loj hlob ib hmos?
Nyob rau hauv qhov loj heev, muaj ib tsob nroj uas tau txais kev qhuas thoob plaws rau nws txoj kev loj hlob tshwj xeeb thiab tus cwj pwm tawv, thiab nws yog xyoob. Xyoob yog feem ntau jokingly hu ua "cov nyom uas loj hlob ib hmos." Tom qab qhov kev piav qhia yooj yim zoo li no, muaj cov biologi tob tob ...Nyeem ntxiv -
Yashi daim ntawv ntawm 7th Sinopec Yooj Yim Kev Zoo Siab thiab Kev Lom Zem Festival
Lub 7th Tuam Tshoj Petrochemical Yooj Yim Kev Zoo Siab Yixiang Festival, nrog lub ntsiab lus ntawm "Yixiang Sau Kev Noj Qab Haus Huv thiab Pab Txhawb Kev Txhim Kho hauv Guizhou", tau muaj nyob rau lub Yim Hli 16th ntawm Hall 4 ntawm Guiyang International Convention thiab Exhib ...Nyeem ntxiv -
Koj puas paub qhov siv tau ntawm cov ntaub so ntswg? Yuav ua li cas nrhiav tau yog tias nws yuav tsum tau hloov?
Qhov siv tau ntawm cov ntaub so ntswg feem ntau yog 2 mus rau 3 xyoos. Cov npe raug cai ntawm cov ntaub so ntswg yuav qhia txog hnub tsim khoom thiab siv tau ntawm lub pob, uas tau hais meej meej los ntawm lub xeev. Khaws rau hauv qhov chaw qhuav thiab qhov cua, nws qhov siv tau kuj tau pom zoo ...Nyeem ntxiv
