Cov txheej txheem:
- YPuas yog PVC-dawb tib yam li phthalate dawb?
- Phthalate dawb txhais li cas?
- Qhov txawv ntawm PVC thiab phthalates yog dab tsi?
- YPuas yog PVC yog phthalate?
Video: Puas phthalate dawb txhais tau tias pvc dawb?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
PVC (polyvinyl chloride) yas, tseem hu ua vinyl [1], yog nruj thiab nkig hauv nws daim ntawv ntshiab. … Hauv teb, vinyl manufacturers tau qhia cov khoom tsis muaj phthalate uas hloov phthalates nrog lwm cov yas yas.
YPuas yog PVC-dawb tib yam li phthalate dawb?
U. S. vinyl producers muaj tag nrho cov tsim lwm txoj kev. Txawm li cas los xij, feem ntau cov vinyl flooring yog imported los ntawm Tuam Tshoj, thiab nws yuav nyuaj rau txiav txim seb tag nrho cov ntshuam no yog phthalate dawb. PVC-dawb flooring tsis muaj phthalates, thiab yog li tshem tawm kev txhawj xeeb nrog lawv.
Phthalate dawb txhais li cas?
Non-phthalates yog cov plasticizers tseem ceeb uas tsis muaj phthalates.… Txawm hais tias qhov tsawg tsawg ntawm phthalates tsis muaj kev phom sij, muaj kev tshawb fawb tsis ntev los no qhia tias muaj feem cuam tshuam tsis zoo rau cov phthalates tuaj yeem ua rau peb noj qab haus huv. Yog li ntawd, ntau tus neeg tau txais kev pab hloov pauv cov yas uas tsis yog phthalate.
Qhov txawv ntawm PVC thiab phthalates yog dab tsi?
PVC sawv cev rau polyvinyl chloride thiab muaj kwv yees li 57% chlorine. PVC yog ib hom yas uas nyuaj tag nrho tshwj tsis yog cov yas ntxiv ntxiv. Phthalates yog nquag siv los ua cov yas PVC Txhawm rau kom ruaj khov PVC tawv, cov hlau hnyav, tshwj xeeb tshaj yog cov txhuas thiab cadmium, tau siv yav dhau los.
YPuas yog PVC yog phthalate?
Phthalates muaj nyob hauv: cov khoom siv PVC xws li cov ntaub pua tsev, cov ntaub pua rooj da dej, thiab cov khoom ua si menyuam yaus. Ntau yam khoom siv tu tus kheej, xws li tshuaj tsw qab, ntsia thawv polish, thiab tshuaj pleev. Cov zaub mov muaj roj uas tau los rau hauv cov khoom siv ua zaub mov lossis ntim khoom noj uas muaj phthalates.
Pom zoo:
Puas siv tau txhais tau tias ib txwm?
kev cai; ib txwm; cwj pwm: nyob rau hauv lawv accustomed yam. nyob; acclimated (feem ntau ua raws li): accustomed mus nyob lig; accustomed rau lub suab nrov ntawm subway . txhais li cas kom ua tau zoo? Yog koj siv tau ib yam dab tsi, koj tau siv nws.
Dab tsi yog pleev xim dawb txhais tau tias?
Cov xim pleev xim feem ntau nyob ib ncig ntawm lub tsev kawm ntawv qhia cov neeg tsav tsheb qhov chaw nres tsheb thiab nres tau tso cai lossis txwv. Cov xim ntawm curbs feem ntau txhais tau tias; Dawb (lossis tsis muaj xim): Chaw nres tsheb, tshwj tsis yog txwv lossis txwv los ntawm cov paib .
Puas tsis qia dub txhais tau tias siab dawb?
Neev siab lossis siab zoo. Tsis qia dub; muab qhov zoo ntawm lwm tus tshaj qhov nws nyiam; altruistic; ua tsaug . kev tsis qia dub txhais li cas? adjective. tsis qia dub; tsis nyiam; siab dav; ua siab ntev . lo lus siab dav? Qee cov lus piv txwv ntawm kev siab dawb yog bountiful, liberal, thiab munificent.
Puas tau cov nyiaj tau los txhais tau tias?
Cov nyiaj tau los yog cov nyiaj tau los ntawm kev ua lag luam ib txwm, xam raws li tus nqi muag khoom nruab nrab lub sij hawm tus naj npawb ntawm cov khoom muag Nws yog kab saum toj kawg nkaus (lossis cov nyiaj tau los tag nrho) los ntawm qhov twg cov nqi raug rho tawm los txiav txim cov nyiaj tau los.
Puas kev zoo nkauj txhais tau tias koj yog neeg dawb huv?
"Beatification" yog kauj ruam txoj cai ua ntej kev ntseeg. Los ntawm kev ntaus ib tug neeg, lub Koom Txoos tshaj tawm hais tias tus neeg nug yog a) yeej nyob saum ntuj ceeb tsheej, thiab b) yeej muaj peev xwm thov Vajtswv rau koj sawv cev yog koj thov Vajtswv rau nws .
