Yuav ua li cas xaiv ib lub khob ntawv nyab xeeb?

Tam sim no, qhov zoo ntawm cov khob ntawv pov tseg ntawm kev ua lag luam tsis sib xws, qhov kev nyab xeeb zais tau ntau dua.Qee cov neeg tsim cov khob ntawv ntxiv cov fluorescent brighteners kom lawv saib dawb.Cov tshuaj fluorescent ua rau cov hlwb hloov pauv thiab ua rau muaj peev xwm carcinogenic thaum lawv nkag mus rau hauv lub cev.Txhawm rau ua kom lub khob dej pov thawj, sab hauv lub khob yog coated nrog polyethylene dej pov thawj zaj duab xis.Polyethylene yog cov tshuaj muaj kev nyab xeeb tshaj plaws hauv kev ua zaub mov, tab sis yog tias cov khoom xaiv tsis zoo lossis cov txheej txheem ua tsis tau raws li tus qauv, carbonyl compounds yuav raug oxidized thaum lub sij hawm melting los yog txheej ntawm polyethylene rau hauv lub khob ntawv, thiab carbonyl compounds tsis volatilize. yooj yim ntawm chav tsev kub, tab sis tej zaum yuav evaporate thaum lub khob ntawv yog ntim nrog dej kub, yog li cov neeg tuaj yeem hnov ​​​​nws.Txawm hais tias tsis muaj kev tshawb fawb los xyuas kom meej tias cov carbonyl tebchaw tso tawm los ntawm cov ntawv khob yuav ua rau muaj kev phom sij rau tib neeg lub cev, tab sis los ntawm kev tshawb fawb dav dav, kev noj cov organic sib txuas mus ntev, nws yuav tsum muaj kev phom sij rau tib neeg lub cev.Qhov kev txhawj xeeb ntxiv yog tias qee lub khob ntawv tsis zoo siv cov polyethylene rov ua dua tshiab, hauv cov txheej txheem rov ua dua tshiab yuav muaj kev hloov pauv, ua rau muaj ntau yam teeb meem, hauv kev siv dej tsiv teb tsaws yooj yim dua.

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p3 ua

Qhov tseeb, kev xaiv ntawm cov khob ntawv thiab yuav khoom noj yog tib yam, yuav tsum pom cov ntawv khob ntim tsis muaj lub logo QS meej, cov ntaub ntawv tsim khoom, hnub tsim khoom.Tsis txhob ntshaw pheej yig thiab yuav cov khob ntawv tsis muaj ntawv tso cai.Tsis tas li ntawd, koj yuav tsum tau pom meej meej txog qhov kev thov uas tau teev tseg rau ntawm pob.Qhov tseeb, kev xaiv kom zoo ntawm cov khob ntawv yog tib yam li kev yuav khoom noj, yuav tsum pom cov ntawv khob ntim tsis muaj lub logo QS meej, cov ntaub ntawv tsim khoom, hnub tsim khoom.Tsis txhob ntshaw pheej yig thiab yuav cov khob ntawv tsis muaj ntawv tso cai.Tsis tas li ntawd xav pom kom meej txog qhov kev thov ntawm lub pob, lub khob ntawv pov tseg tsis tu ncua yog qhia qhov ntsuas kub ntawm lub khob ntawv, yog tias koj yuav lub khob dej txias yuav tsum tsis txhob siv los sau cov dej kub, kom tsis txhob xau. thiab hlawv.Qee lub tsev noj mov loj loj cov ntawv khob muaj kev nyab xeeb siv thaum noj mov.Ib puag ncig tsis zoo, tsis muaj tsev noj mov tso cai noj qab haus huv, siv cov khob ntawv nyuaj los tiv thaiv.Ntxiv mus, hauv qhov chaw noj mov zoo li no, kev nyab xeeb ntawm zaub mov tsis tau lees paub, txawm tias "5-feeb tshuaj tua kab mob" txoj kev siv tshuaj tua kab mob tiag tiag yog tsis muaj txiaj ntsig, lossis tsis txhob noj hauv qhov chaw zoo li no.

p4 ua


Post lub sij hawm: Apr-04-2023