Kev lag luam xov xwm
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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 -
"Ua pa" xyoob sculp fiber ntau
Xyoob pulp fiber ntau, tau los ntawm kev cog qoob loo nrawm thiab txuas ntxiv dua tshiab, yog hloov kho cov textile kev lag luam nrog nws cov khoom tshwj xeeb. Cov khoom siv ntuj thiab ib puag ncig zoo nyob tsis yog tsuas yog nyob ruaj khov tab sis al ...Nyeem ntxiv -
Txoj cai lij choj ntawm xyoob
Hauv thawj plaub mus rau tsib xyoos ntawm nws txoj kev loj hlob, xyoob los tsuas yog cog ob peb centimeters, uas zoo li qeeb thiab tsis tseem ceeb. Txawm li cas los xij, pib ntawm xyoo thib tsib, nws zoo li yuav enchanted, loj hlob wildly ntawm kev ceev ntawm 30 centimeters ...Nyeem ntxiv -
Cov nyom loj hlob siab thaum hmo ntuj?
Nyob rau hauv lub loj xwm, muaj ib tsob nroj uas tau yeej ntau txoj kev qhuas rau nws txoj kev loj hlob tshwj xeeb thiab nws yog xyoob. Xyoob feem ntau tau tso dag hu ua "nyom uas loj hlob siab thaum hmo ntuj." Tom qab no cov lus piav qhia yooj yim li no, muaj muaj txuj ci biologi ...Nyeem ntxiv -
Koj puas paub qhov siv tau ntawm daim ntawv so ntswg? Yuav ua li cas thiaj nrhiav tau yog tias nws yuav tsum tau hloov?
Qhov siv tau ntawm daim ntawv so ntswg feem ntau yog 2 txog 3 xyoos. Cov npe ntawm cov ntaub ntawv ntawm cov ntaub ntawv yuav qhia hnub tsim khoom thiab siv tau rau ntawm pob, uas yog hais meej los ntawm lub xeev. Khaws cia rau hauv ib qho chaw qhuav thiab cua, nws siv tau kuj tseem pom zoo ...Nyeem ntxiv -
Lub teb chaws Ecology hnub, cia peb ua kev zoo nkauj ntawm lub hometown ntawm Pandas thiab Bamboo Ntawv
Ecological daim npav hauv tsev Element · Elulationat Tsaug zoo yog tsis muaj txiaj ntsig los ntawm ib puag ncig muaj sia nyob zoo. Panda hav nyob ntawm kev sib tshuam ntawm Pacific Sideast Monsele thiab qab teb ntawm lub siab-qhov siab ...Nyeem ntxiv -
ECF Chaw Tsim Tshuaj Chlorine-Dawb tshuaj dawb rau cov nqaij mos xyoob
Peb muaj keeb kwm ntawm xyoob los ntawm Xyoob Papermaking hauv Suav. Xyoobo fiber morphology thiab tshuaj muaj pes tsawg leeg yog tshwj xeeb. Qhov nruab nrab fiber ntau yog ntev, thiab lub teeb fiber ntau microstructure tshwj xeeb yog tshwj xeeb. Lub Zog Kev Txhim Kho Tshwj Xeeb ...Nyeem ntxiv -
Cov ntawv Bamboo yog dab tsi?
FSC (Chaw Tswjhwm Saib Xyuas Hav Zoov) yog kev ywj pheej, tsis muaj txiaj ntsig thiab kev lag luam muaj txiaj ntsig thiab kev lag luam muaj txiaj ntsig Hav Zoov Thoob Ntiaj Teb los ntawm Tsim ...Nyeem ntxiv -
Dab tsi yog mos cov ntaub luam ntaub ntawv?
Coob leej ntau tus tsis meej pem. Tsis muaj cov ntawv tshaj tawm cia li ntub cov ntaub so? Yog tias cov ntawv ntim cov ntaub so ntswg tsis ntub, vim li cas cov nqaij qhuav hu ua cov ntawv tshuaj pleev cov ntawv nyeem? Qhov tseeb, cov ntaub ntawv ntau daim ntawv yog cov ntaub so ntswg uas siv "molecule falected nqus pa moi ...Nyeem ntxiv -
Ib puag ncig cov pa phem thaum ib puag ncig cov ntaub ntawv tso cov txheej txheem
Ntaub hoob nab kev lag luam hauv kev tsim cov dej dej huv, khib nyiab, cov tshuaj lom neeg tuaj yeem ua rau ib puag ncig muaj txiaj ntsig, yog li ntawd ib puag ncig ib puag ncig tsis cuam tshuam lossis tsawg dua AF ...Nyeem ntxiv
