COVID-19 Teb

COVID-19 Teb

COVID-19 Teb: Cov chaw tsim khoom thiab cov chaw muag khoom uas muab cov peev txheej ntawm COVID-19 cov khoom siv kho mob ico-arrow-default-right
Ib zaug lub npog ntsej muag tsuas yog ib daim ntaub qhwv lub ntsej muag ntawm tus kws kho mob lossis tus kws saib xyuas neeg mob, nws tam sim no yog ua los ntawm cov ntaub tsis-woven los ntawm polypropylene thiab lwm yam yas rau lim thiab tiv thaiv.Raws li qib kev tiv thaiv cov neeg siv xav tau, lawv muaj ntau yam sib txawv thiab qib.Nrhiav cov ntaub ntawv ntau ntxiv txog lub ntsej muag phais kom ua tau raws li koj qhov kev yuav khoom kho mob?Peb tau tsim cov lus qhia no los qhia txog qee qhov hauv paus ntawm cov qhov ncauj qhov ntswg thiab lawv ua li cas.Yog tias koj xav kawm ntxiv txog yuav ua li cas los tsim lub tshuab ua pa, khaub ncaws tiv thaiv thiab lwm yam khoom siv tiv thaiv tus kheej, koj tuaj yeem mus saib peb cov txheej txheem tsim khoom PPE.Koj tuaj yeem tshawb xyuas peb tsab xov xwm ntawm daim npog ntsej muag saum toj kawg nkaus thiab daim npog qhov ncauj phais.
Lub npog ntsej muag phais yog tsim los ua kom chav ua haujlwm tsis muaj menyuam thiab tiv thaiv cov kab mob hauv lub qhov ntswg thiab qhov ncauj kom tsis txhob kis tus neeg mob thaum lub sijhawm ua haujlwm.Txawm hais tias lawv tau dhau los ua neeg nyiam ntau dua ntawm cov neeg siv khoom thaum muaj kev sib kis xws li tus mob coronavirus, lub ntsej muag phais tsis yog tsim los lim cov kab mob me dua cov kab mob.Yog xav paub ntxiv txog hom lub npog ntsej muag twg muaj kev nyab xeeb dua rau cov kws kho mob uas cuam tshuam nrog cov kab mob xws li mob coronavirus, koj tuaj yeem nyeem peb tsab xov xwm ntawm CDC-pom zoo cov neeg muag khoom sab saum toj.
Nws yuav tsum raug sau tseg tias cov ntawv ceeb toom tsis ntev los no los ntawm Healthline thiab CDC qhia tias lub qhov ncauj qhov ntswg nrog cov li qub lossis lub qhov cua yuav kis tau tus kab mob ntau dua.Lub qhov ncauj qhov ntswg yuav muab kev tiv thaiv tib yam li lub qhov ncauj qhov ntswg, tab sis lub valve yuav tsis tiv thaiv tus kab mob tawm, uas yuav ua rau cov neeg uas tsis paub tias lawv kis tus kab mob mus rau lwm tus.Nws tseem ceeb heev uas yuav tsum nco ntsoov tias qhov ncauj qhov ntswg tsis muaj qhov ncauj qhov ntswg tuaj yeem kis tus kab mob.
Lub npog ntsej muag phais tau muab faib ua plaub theem raws li ASTM daim ntawv pov thawj, nyob ntawm qib kev tiv thaiv lawv muab rau tus neeg hnav:
Nws yuav tsum raug sau tseg tias daim npog qhov ncauj qhov ntswg tsis zoo ib yam li lub ntsej muag phais.Qhov ncauj qhov ntswg yog siv los thaiv cov txaws los yog aerosols (xws li ya raws thaum txham), thiab lawv tau xoob ntawm lub ntsej muag.Cov tshuab ua pa yog siv los lim cov pa hauv huab cua, xws li cov kab mob thiab cov kab mob, thiab tsim ib lub foob nyob ib ncig ntawm lub qhov ntswg thiab qhov ncauj.Thaum tus neeg mob muaj kab mob los yog kab mob, vapors lossis gases, yuav tsum siv lub tshuab ua pa.
Cov npog qhov ncauj qhov ntswg kuj txawv ntawm qhov ncauj qhov ntswg.Lub ntsej muag phais yog siv nyob rau hauv ib puag ncig huv si hauv tsev kho mob, suav nrog cov tsev kho mob hnyav thiab cov tsev kho mob me me, tab sis lawv tsis pom zoo siv rau hauv qhov chaw tsis muaj menyuam xws li chav ua haujlwm.
Raws li lub Kaum Ib Hlis 2020, CDC tau hloov kho nws cov lus qhia rau kev siv lub qhov ncauj qhov ntswg kom tso cai rau tsev kho mob thiab lwm lub chaw kho mob kom nthuav dav cov peev txheej thaum lub sijhawm xav tau heev.Lawv txoj kev npaj ua raws li cov kauj ruam ntxiv rau cov xwm txheej ceev zuj zus los ntawm cov txheej txheem ua haujlwm mus rau kev ua haujlwm kub ntxhov.Qee qhov kev ntsuas kub ntxhov muaj xws li:
Tsis ntev los no, ASTM tau tsim cov txheej txheem rau cov neeg siv khoom-qib qhov ncauj qhov ntswg, hauv chav kawm I lub qhov ncauj qhov ntswg tuaj yeem lim 20% ntawm cov khoom siab tshaj 0.3 microns, thiab chav kawm II qhov ncauj qhov ntswg tuaj yeem lim 50% ntawm cov khoom siab tshaj 0.3 microns.Txawm li cas los xij, cov no tsuas yog siv rau cov neeg siv khoom, tsis yog siv kho mob.Raws li lub sijhawm sau ntawv, CDC tsis tau hloov kho nws cov lus qhia los daws qhov teeb meem uas cov npog ntsej muag no (yog tias muaj) tuaj yeem siv los ntawm cov neeg kho mob yam tsis muaj PPE.
Cov qhov ncauj qhov ntswg phais yog ua los ntawm cov ntaub tsis-woven, uas muaj cov kab mob zoo dua pom thiab ua pa, thiab tsis tshua muaj cov ntaub npuag.Cov khoom siv feem ntau siv los ua lawv yog polypropylene, uas muaj qhov ceev ntawm 20 lossis 25 grams ib square meter (gsm).Lub npog ntsej muag kuj tuaj yeem ua los ntawm polystyrene, polycarbonate, polyethylene lossis polyester.
Cov khoom siv 20 gsm daim npog ntsej muag yog tsim los siv cov txheej txheem spunbond, uas suav nrog extruding molten yas mus rau txoj siv conveyor.Cov khoom yog extruded rau hauv ib lub web, nyob rau hauv uas cov strands adheres rau ib leeg thaum lawv txias.25 gsm ntaub yog tsim los ntawm yaj tshuab tshuab, uas yog ib tug zoo xws li cov txheej txheem nyob rau hauv uas yas yog extruded los ntawm ib tug tuag nrog pua pua ntawm cov me me nozzles thiab tshuab mus rau hauv zoo fibers los ntawm cov cua kub, txias dua thiab muab tso rau ntawm ib tug conveyor siv 上胶. .Txoj kab uas hla ntawm cov fibers no tsawg dua ib micron.
Cov qhov ncauj qhov ntswg phais muaj ntau txheej txheej, feem ntau ib txheej ntawm cov ntaub uas tsis yog-woven yog npog ntawm ib txheej ntawm ntaub.Vim nws cov khoom pov tseg, cov ntaub tsis-woven yog pheej yig dua thiab huv si los tsim thiab ua los ntawm peb lossis plaub txheej.Cov qhov ncauj qhov ntswg pov tseg no feem ntau yog ua los ntawm ob txheej lim dej, uas tuaj yeem lim cov kab mob thiab lwm yam khoom loj dua 1 micron.Txawm li cas los xij, qib pom ntawm lub npog ntsej muag yog nyob ntawm fiber ntau, txoj kev tsim khoom, cov qauv ntawm cov fiber ntau thiab cov duab ntoo ntawm cov fiber ntau.Lub qhov ncauj qhov ntswg yog tsim los ntawm ib lub tshuab kab uas sib sau cov ntaub uas tsis yog-woven ntawm spools, welds cov khaubncaws sab nraud povtseg ua ke nrog ultrasound, thiab luam tawm lub qhov ntswg bands, qhwv ntsej thiab lwm qhov chaw ntawm lub npog ntsej muag.
Tom qab ua daim npog ntsej muag, nws yuav tsum tau kuaj xyuas kom nws muaj kev nyab xeeb nyob rau ntau qhov xwm txheej.Lawv yuav tsum xeem tsib xeem:
Lub tuam txhab khaub ncaws thiab lwm cov chaw tsim tshuaj lag luam yuav dhau los ua cov chaw tsim khoom siv lub npog ntsej muag, tab sis muaj ntau yam kev sib tw.Qhov no tsis yog txheej txheem thaum hmo ntuj, vim tias cov khoom yuav tsum tau pom zoo los ntawm ntau lub koom haum thiab cov koom haum.Obstacles muaj xws li:
Txawm hais tias muaj qhov tsis txaus ntawm cov ntaub ntawv rau lub ntsej muag phais vim muaj kev sib kis mus ntxiv, cov qauv qhib thiab cov lus qhia rau lub qhov ncauj qhov ntswg ua los ntawm cov ntaub ntawv ntau dua tau tshwm sim hauv Is Taws Nem.Txawm hais tias cov no yog rau DIYers, lawv kuj tuaj yeem siv los ua qhov pib rau kev lag luam qauv thiab ntau lawm.Peb pom peb qhov piv txwv ntawm daim npog ntsej muag thiab muab cov kev sib txuas rau kev yuav khoom ntawm Thomasnet.com los pab koj pib.
Olsen daim npog qhov ncauj: Lub npog ntsej muag no yog tsim los pub dawb rau cov tsev kho mob, uas yuav ntxiv cov plaub hau thiab cov ntaub qhwv ntsej kom zoo dua rau cov neeg ua haujlwm kho mob, thiab ntxig lub lim 0.3 micron.
Fu Mask: Lub vev xaib no muaj cov yeeb yaj kiab qhia txog yuav ua li cas thiaj ua tau daim npog ntsej muag no.Hom no xav kom koj ntsuas qhov ncig ntawm lub taub hau.
Daim npog ntsej muag qauv: Sew It Online lub npog ntsej muag suav nrog cov qauv tsim ntawm cov lus qhia.Thaum tus neeg siv luam tawm cov lus qhia, lawv tuaj yeem txiav tawm tus qauv thiab pib ua haujlwm.
Tam sim no peb tau piav qhia txog hom kev phais qhov ncauj qhov ntswg, yuav ua li cas lawv tsim, thiab cov ntsiab lus ntawm cov kev cov nyom uas cov tuam txhab tau sim nkag mus rau hauv thaj chaw, peb cia siab tias qhov no yuav ua rau koj muaj txiaj ntsig zoo dua.Yog tias koj npaj txhij los pib tshuaj xyuas cov chaw muag khoom, peb caw koj los saib peb nplooj ntawv nrhiav pom, uas muaj cov ncauj lus kom ntxaws txog ntau dua 90 tus neeg muag daim npog ntsej muag.
Lub hom phiaj ntawm cov ntaub ntawv no yog los sau thiab nthuav qhia kev tshawb fawb txog kev tsim cov txheej txheem ntawm lub ntsej muag phais.Txawm hais tias peb ua haujlwm hnyav los npaj thiab tsim cov ntaub ntawv tshiab, thov nco ntsoov tias peb tsis tuaj yeem lav 100% qhov tseeb.Thov nco ntsoov tias Thomas tsis muab, pom zoo lossis lav cov khoom thib peb, cov kev pabcuam lossis cov ntaub ntawv.Thomas tsis koom nrog cov neeg muag khoom ntawm nplooj ntawv no thiab tsis muaj lub luag haujlwm rau lawv cov khoom thiab cov kev pabcuam.Peb tsis muaj lub luag haujlwm rau kev coj ua lossis cov ntsiab lus ntawm lawv lub vev xaib thiab cov apps.
Copyright © 2021 Thomas Publishing Company.tag nrho cov cai.Thov xa mus rau cov nqe lus thiab tej yam kev mob, nqe lus tsis pub lwm tus paub thiab California tsab ntawv ceeb toom tsis taug qab.Lub vev xaib raug hloov kho zaum kawg thaum Lub Rau Hli 29, 2021. Thomas Register® thiab Thomas Regional® yog ib feem ntawm Thomasnet.com.Thomasnet yog lub npe lag luam ntawm Thomas Publishing Company.


Post lub sij hawm: Jun-29-2021

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