2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob hauv the 19th century, cov pawm niaj hnub tau pib ua kom zoo thiab cov niam hauv ntau lub ntiaj teb siv cov khoom siv paj rwb, tuav rau hauv qhov chaw nrog fastening - nws thiaj li muaj kev ruaj ntseg tus pin.. Cov ntaub npuag hauv Tebchaws Meskas yog thawj zaug tsim tawm hauv xyoo 1887 los ntawm Maria Allen.
Yuav siv dab tsi ua ntej daim pawm?
Qhov tseeb, nyob rau ib puas xyoo dhau los, daim ntaub pawm yog txoj hauv kev zoo tshaj plaws los daws cov xwm txheej no los ntawm tus menyuam kom txog thaum cov ntaub so ntswg pov tseg. Lwm cov ntaub qhwv yas rau daim ntaub pawm tau qhia ua ntej no. … Lwm yam ntaub npuag thaum ub muaj cov tawv tsiaj, moss, linens, nplooj, thiab lwm yam.
Cov pawm hu ua dab tsi thaum xyoo 1700?
Vim tias lawv tseem raug khi rau hauv tebchaws Askiv, cov neeg Amelikas Colonial tau xa mus rau cov pawm xws li napkins lossis clouts. Wool cover hu ua pilchers.
Pampers nqi pes tsawg xyoo 1971?
Cov ntaub qhwv muaj 2 qhov ntau thiab tsawg tus nqi nruab nrab yog 10 xees txhua; Cov lus qhia ntawm cov neeg siv khoom yog tias cov ntaub qhwv tau kim dhau rau kev siv txhua hnub. Txhawm rau txo tus nqi ntawm txhua daim pawm, Procter &Gamble's engineering thiab tsim cov pab pawg tau nrhiav txoj hauv kev los tsim kom muaj kev nrawm dua thiab muaj txiaj ntsig zoo dua.
Pampers yog leej twg?
Procter &Gamble's tshiab Pampers Ntshiab cov pawm thiab cov ntaub so. Lub hom phiaj yog kim dua P&G cov kab ib txwm muaj, tab sis kev nce nqi nyuaj.
Pom zoo:
Dab tsi yog peb cov ntaub qhwv cov ntaub so ntswg hauv cov leeg?
Cov ntaub so ntswg interstitial ntawm cov leeg yog subdivided rau hauv epimysium epimysium Lub epimysium yog cov ntaub so ntswg ntom ntom uas nyob ib puag ncig tag nrho cov leeg nqaij. Lub epimysium feem ntau muaj ntau pob (fascicles) ntawm cov leeg nqaij.
Thaum twg cov ntaub ntawv pom pom tau tsim?
In 1644, Michael Florent Van Langren, tus kws tshawb fawb Flemish, ntseeg tias tau muab thawj qhov pom kev sawv cev ntawm cov ntaub ntawv txheeb cais. Leej twg invented data visualization? Lub xyoo 1960 thiab 1970 tau pom qhov tshwm sim ntawm cov kws tshawb fawb xws li John W.
Thaum twg cov ntaub pua rooj tau tsim?
Npaj siv ua npuas ncauj hnub rov qab mus rau Mayans thiab Aztecs kom deb li deb li 500 BC. Hauv the 1900's, txiv neej tsim, lossis hluavtaws, ua npuas ncauj pib tsim. Niaj hnub no, ob qho tib si ntuj ua npuas ncauj thiab hluavtaws ua npuas ncauj yog siv.
Yuav tsum tau cov ntaub qhwv beeswax nplaum?
qhwv ua nrog tsuas yog beeswax yog me ntsis nplaumtab sis nws yog suav nrog cov nroj tsuag cob uas pab qhwv lo rau nws tus kheej, Tuam Tshoj lossis khob iav. Lub beeswax qhwv stickiness yog qhib nrog lub warmth ntawm koj ob txhais tes, thaum txias lawv tsis nplaum heev.
Puas yog cov ntaub nplaum uas tsis muaj ntaub qhwv tuaj yeem ntxuav tau?
Meltblown NWPP yog tsim los ntawm cov fibers me me, ilv dua, ua rau cov khoom siv tsis yog feem ntau suav tias yog ntxuav tau lossis rov siv dua. Puas yog yaj tshuab tsis-woven ntaub ntxhua? Allershield ® yog lub tshuab ntxhua khaub ncaws 3-txheej breathable polypropylene laminate muaj xws li nonwoven spunbond thiab siab pom Meltblown, microfibrous membrane.
