Cov txheej txheem:

Yam Koj Yuav Tsum Paub Txog Kev Hnav Daim npog ntsej muag sab nraud
Yam Koj Yuav Tsum Paub Txog Kev Hnav Daim npog ntsej muag sab nraud
Anonim

Cov hom sab nraum zoov yog tsim cov npog ntsej muag tsim los rau kev tawm dag zog thiab kev ua si sab nraum zoov xws li caij tsheb kauj vab thiab khiav. Koj puas xav tau lawv, thiab lawv puas ua haujlwm? Peb rhuav nws.

Peb txoj kev nkag siab txog tus kabmob coronavirus-thiab hnav lub ntsej muag-tau hloov pauv sai heev nyob rau xya lub hlis dhau los. Thaum ntxov, cov tub ceev xwm saib xyuas kev noj qab haus huv hauv Teb Chaws Asmeskas cuam tshuam lub ntsej muag ntawm qhov tsis sib haum xeeb uas lawv tsis muaj txiaj ntsig thiab cov khoom siv npog ntsej muag yuav tsum tau tshwj tseg rau cov neeg ua haujlwm kho mob pem hauv ntej. Txog thaum lub caij nplooj ntoo hlav lig, txawm li cas los xij, ntau lub xeev tau yuam kom siv daim npog ntsej muag hauv cov chaw pej xeem, qee zaum txawm nyob sab nraum zoov. (Kev tshawb fawb qhia tias thaum sab nraum zoov muaj kev nyab xeeb dua li qhov chaw sab hauv tsev, tseem muaj kev pheej hmoo siab dua rau cov neeg uas mus tsis muaj ntsej muag dua li cov uas hnav.)

Ob peb lub hlis dhau los, peb tau pom qhov nce ntawm qhov ncauj qhov ntswg tshwj xeeb ua los ntawm cov khoom siv ua haujlwm zoo dua rau kev tawm dag zog. Qhov no yog qhov xov xwm zoo tshaj plaws rau txhua tus neeg uas tau sim ua kom nrawm nrawm thaum sawv ntxov lossis caij hauv qhov kub kub N95. Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm lub ntsej muag kis las yog tias lawv ua pa ntau dua. Tab sis kev ua pa zoo dua feem ntau los ntawm kev siv nyiaj pom zoo, uas nug cov lus nug: Puas yog cov npog ntsej muag no ua haujlwm?

Teb qhov no kuj yuav tsum tau saib mus rau lwm qhov kev sib cav sib cav txog kev npog ntsej muag, uas yog seb lub caj dab gaiters thiab bandanas-nrov xaiv ntawm cov neeg ncaws pob-yog qhov zoo. Tsis ntev los no, ib qho kev tshawb fawb me me tawm ntawm Duke pom tias cov pa ua pa tawm tiag tiag zoo li nce ntxiv thaum qhov kev sim ntsuas tau hnav lub gaiter. Qhov ntawd ua rau muaj kev tsis sib haum xeeb loj txog seb cov neeg tuaj ncig tebchaws puas tau "tsawg dua li tsis muaj lub npog ntsej muag," raws li Washington Post tau sau tseg hauv nws cov ntawv xov xwm. Lub kerfuffle loj hlob zuj zus thaum cov kws tshaj lij hauv thaj teb thawb rov qab los tawm tsam qhov kev tshawb pom.

Tab sis qhov ntawd tseem tshuav cov lus nug ntawm seb lub ntsej muag kis las puas tuaj yeem ua pa zoo thiab ua tiav lawv lub hom phiaj. Dab tsi, raws nraim, ua kom lub ntsej muag ua haujlwm zoo lossis tsis? Peb tau tham nrog qee tus kws tshaj lij kom paub thiab sim ntau npaum li peb tuaj yeem nrhiav tau los xaiv peb cov nyiam.

  • Lub ntsej muag ua haujlwm li cas
  • Cov Qhov ncauj qhov ntswg puas ua los ntawm cov ntaub npuag ua haujlwm?
  • Puas Gaiters thiab Neck Tubes ua haujlwm?
  • Kuv Puas Yuav Tsum Tau Hnav Daim Npog Sab Nraud?
  • Yuav Nrhiav Dab Tsi hauv Mask
  • Peb Lub ntsej muag uas nyiam tshaj plaws rau kev ua kis las

Lub ntsej muag ua haujlwm li cas

Kev sau loj thiab loj hlob ntawm cov ntaub ntawv duab thiab kev pom pom tau ua rau hauv tsev qhov tseeb tias tib neeg yog qhov tseeb ntawm kev ua pa tawm. (Qhov no yuav ua rau peb xav txawv ntawm qhov chaw muaj neeg coob coob xws li chaw ntau pob thiab spin-chav kawm studios rau ntau xyoo tom ntej.) Txhua zaus peb hais lus, hnoos, los yog exhale, peb tawm ntau cov kua dej-doplets loj li ib nrab. millimeter inch thiab me me aerosols ntawm qib submicron (ib micron, tseem hu ua micrometer, yog 1/1, 000th ntawm ib millimeter).

Qhov ncauj qhov ntswg ua haujlwm los ntawm kev ntes cov khoom no ntawm peb txoj hlab cua thiab ib puag ncig sab nraud ntawm ib qho ntawm ntau hom. Loretta Fernandez, tus kws tshaj lij ntawm pej xeem thiab ib puag ncig engineering ntawm Northeastern University uas tab tom sim lub qhov ncauj qhov ntswg rau kev ua kom pom tseeb tias "cov khoom tuaj yeem ua tau zoo rau hauv cov fiber ntau thiab lo rau ntawd," Qhov ntawd yog hu ua kev cuam tshuam. Lwm txoj kev lim dej tseem ceeb, hu ua diffusion, yog qhov "qhov me me tiag tiag qeeb thiab nkag mus rau qhov chaw sib txawv no uas lawv fuse rau fiber ntau," nws hais.

Tej zaum koj yuav nco ntsoov tias kev ntsuas kev pom feem ntau tsom mus rau qhov zoo ntawm daim npog ntsej muag cuam tshuam cov lus 0.03 microns hauv txoj kab uas hla. Qhov ntawd tsis yog vim tus mob coronavirus nkaus xwb lossis txawm tias feem ntau pom nyob rau hauv cov khoom me me (nws pom muaj nyob hauv txhua qhov ntau thiab tsawg), tab sis vim tias nws yog ib qho nyuaj rau ntes. Fernandez piav qhia tias cov khoom me me tau raug tshem tawm los ntawm kev nthuav dav thiab loj dua los ntawm kev cuam tshuam. Qhov luaj li cas uas ob txoj kev feem ntau tsis nco yog 0.03 microns. Tias yog vim li cas 0.03 microns ua rau lub npe zoo nkauj rau kev ua haujlwm ntawm daim npog ntsej muag. "Yog tias lub npog ntsej muag muaj qhov ua tau zoo ntawm cov ntsiab lus submicron, nws yuav ua tau zoo dua nyob rau hauv qhov ntau npaum li cas," Yang Wang, tus xibfwb ntawm pej xeem thiab ib puag ncig engineering ntawm Missouri University of Science thiab Technology uas tau sim cov ntaub ntawv npog ntsej muag.

Cov Qhov ncauj qhov ntswg puas ua los ntawm cov ntaub npuag ua haujlwm?

Wang thiab Fernandez tsis yog tib cov kws tshawb fawb tshawb fawb pom thiab daim npog ntsej muag, tab sis lawv qhov kev tshawb pom pab peb nkag siab tias dab tsi ua rau lub npog ntsej muag ua haujlwm zoo lossis tsis zoo. Cov xov xwm zoo rau cov neeg ncaws pob yog tias cov ntaub ntawv ua tau zoo tuaj yeem lim tau zoo li cov paj rwb, uas feem ntau pom tias yog cov khoom nyiam vim tias nws tuaj yeem ua kom tuab. Qee cov fibers-wool tshwj xeeb-nqa cov nqi hluav taws xob uas yuav ua rau kom muaj txiaj ntsig zoo los ntawm kev nyiam cov khoom nrog cov nqi sib txawv, tshwj xeeb tshaj yog tias lawv tau sib xyaw nrog lwm cov fibers (lub rubbing tsim cov nyhuv triboelectric). Thiab wool tsis yog tib txoj kev xaiv. Raws li txhua tus neeg uas tau rub tawm lub tshuab ziab khaub ncaws ntawm cov khaub ncaws ua haujlwm paub, polyester-raws li cov ntaub ntawv ua tau zoo muaj cov nqi hluav taws xob ntau. Txawm li cas los xij, cov ntaub fiber ntau yog tsim los ntawm qhov zoo li qhov teeb meem tsawg dua li cov ntaub ntaub los yog knit ntom ntom, tus naj npawb ntawm cov khaubncaws sab nraud povtseg, thiab cov duab thiab qhov loj ntawm lub npog ntsej muag nws tus kheej.

Wang qhov kev xeem tau pom tias muaj kev sib raug zoo ntawm cov ntaub hnyav thiab kev ua haujlwm. Cov ntaub hnyav hnyav, uas Wang siv los ua tus neeg sawv cev rau cov ntaub npuag ntom ntom, feem ntau ua tau zoo dua. Nws lub chaw kuaj mob kuj tau kuaj cov ntaub ntawv txheej ib, ob, peb, thiab plaub zaug. Tsis yog qhov xav tsis thoob, pom kev ua haujlwm zoo dua qub thaum koj ntxiv cov khaubncaws sab nraud povtseg, tab sis txawm tias qhov sib txawv me me ntawm cov ntaub ntom ntom tuaj yeem ua rau muaj txiaj ntsig zoo rau kev ua haujlwm. Cov paj rwb tuaj yeem lim tau ntawm 20 thiab 58 feem pua ntawm 0.03 micron hais, nyob ntawm seb nws yog plaub txheej ntawm cov khoom siv pheej yig uas hnyav 28 grams ib square meter lossis plaub txheej ntawm 600-xov-xws hauv ncoo uas hnyav li 25 feem pua, ntawm 35 grams. ib square meter. Tsuas yog ob txheej ntawm polyester microfiber tu daim ntaub uas yog ob zaug hnyav li plaub-txheej paj rwb hauv ncoo ntes tau yuav luag 70 feem pua ntawm 0.03 micron hais-zoo dua pom rau qhov hnyav tib yam li ib nrab ntawm cov khaubncaws sab nraud povtseg. (Los ntawm kev sib piv, ib tug txheej txheem N95 daim npog qhov ncauj, ua los ntawm ib tug tuab lev ntawm qhuav-tshuab, tsis woven, polypropylene ntaub yog li lub npe vim hais tias cov ntawv pov thawj yuav tsum tau npog qhov ncauj los catch tsawg kawg yog 95 feem pua ntawm cov me me hais.)

Wang txoj haujlwm tsuas yog ntsuas cov khoom siv xwb, tsis yog lub npog ntsej muag haum. Tab sis kev haum kuj ua lub luag haujlwm tseem ceeb. Kev ntsuam xyuas los ntawm Fernandez thiab nws tus kws sau ntawv, Amy Mueller, muaj qee cov lus qhia dav dav. Namely: qhov tseem ceeb yog qhov zoo npaum li cas lub npog ntsej muag nyob ib puag ncig tus neeg hnav lub ntsej muag.

Fernandez thiab Mueller tau kuaj lub qhov ncauj qhov ntswg los ntawm kev ntsuas huab cua sab hauv thiab sab nraud lub npog ntsej muag dhau peb lub sijhawm ib feeb raws li tus neeg sim (Fernandez) hnav lub npog ntsej muag. Tom qab ntawd lawv ntxiv ib ntu ntawm nylon hosiery rau sab nraud thiab ntsuas ib zaug ntxiv. Lub hosiery nias lub npog ntsej muag nruj tiv thaiv tus neeg hnav lub ntsej muag kom kaw nws kom zoo, tab sis nws yog qhov txaus ntshai uas nws tsis cuam tshuam rau kev pom. Lub qhov ncauj qhov ntswg uas twb ua tau zoo pom tsis muaj lossis hloov me ntsis hauv kev ua tau zoo, thaum lub ntsej muag xoob-fitting ua-feem ntau yog 10 txog 15 feem pua, thiab qee qhov siab li 40 feem pua. Vim li cas? Looser qhov ncauj qhov ntswg xau cov khoom nyob ib ncig ntawm cov npoo, tshwj xeeb tshaj yog ntawm ob sab ntawm lub qhov ntswg. Ib qho tseem ceeb yog seb lub npog ntsej muag puas muaj lub qhov ntswg xaim. Fernandez hais tias "Lub qhov ncauj qhov ntswg uas peb tau sim uas tsis muaj lub qhov ntswg xaim yog nyob hauv qab ntawm peb cov npe rau kev ua tau zoo," Fernandez hais. "Tshwj xeeb tshaj yog tias lub npog ntsej muag tuab, koj muaj cov khoob no nyob ib ncig ntawm lub qhov ntswg. Lub qhov ntswg hlau yog qhov tseem ceeb rau kev haum zoo."

Lub ntsej muag loj kuj zoo li tseem ceeb. Wang qhov kev sim ntaub simulated peb qhov sib txawv ntawm daim npog ntsej muag thiab pom tias, raws li thaj chaw saum npoo tau nce ntxiv, yog li ua kom muaj txiaj ntsig zoo. (Wang xav tias qhov no yog vim nws txo cov huab cua siab.) Qhov no kuj pab txhim kho lwm qhov kev ntsuas kev ua tau zoo uas tseem ceeb rau cov neeg ncaws pob: kev poob siab, qhov sib txawv ntawm huab cua hauv lub npog ntsej muag thiab huab cua sab nraud. Kev poob qis txhais tau hais tias lub npog ntsej muag ua pa zoo tab sis feem ntau cuam tshuam nrog kev lim dej tsawg. Yog tias koj nce lub npog ntsej muag, hais tias Wang, koj tuaj yeem txo qis qis yam tsis muaj kev cuam tshuam loj rau kev pom.

Hauv qhov tseeb, qhov ncauj qhov ntswg ua los ntawm cov khoom siv hluavtaws yog qhov zoo, tsuav yog lawv haum ruaj ntseg thiab tsis dhau sheer (qhov loj ntawm thaj chaw pab, ib yam nkaus). Wang kuj tau ntsuas kev ua haujlwm lim dej ntawm tag nrho cov ntaub hauv nws qhov kev sim tom qab ib, tsib, thiab kaum lub voj voog ntxuav. Nws pom tsis muaj kev puas tsuaj ntawm kev muaj peev xwm hla ntau yam khoom sib txawv.

Yog li, Sports Masks ua haujlwm. Puas yog Gaiters thiab Neck Tubes?

Yog tias koj tab tom saib ntawm thaj chaw ntshiab, lub ntsej muag loj tshaj plaws uas koj tuaj yeem pom yog lub caj dab gaiter. Los ntawm cov logic ntawd, cov gaiters yuav tsum ua haujlwm zoo li npog ntsej muag. Yuav ua li cas, yog li ntawd, koj puas kam lees Wang tus takeaway nrog cov txiaj ntsig ntawm Duke kawm?

Kev kawm Duke tsis yog qhov kev sim ntawm lub qhov ncauj qhov ntswg; es, hais tias tus kws sau ntawv Martin Fischer, lub tswv yim yog los tawm tswv yim rau kev teeb tsa tus nqi qis. Cov kws tshawb fawb Duke qhov kev xav tias yog vim li cas tus gaiter zoo li phem dua li tsis muaj daim npog ntsej muag yog tias cov ntaub tau tawg cov tee dej loj rau hauv cov aerosols me. Tab sis tsis muaj leej twg hauv pawg Duke yog tus kws tshaj lij aerosol, thiab qhov ntawd tsis yog feem ntau yuav ua li cas aerosol pom ua haujlwm. Ryan Davis, tus kws tshaj lij ntawm Trinity University aerosol, tau saib ntawm qhov xwm txheej tshwj xeeb no thiab kwv yees tias kev tawg ntawm cov huab cua tsis zoo li cov kws tshawb fawb tau sim. Linsey Marr, tus kws tshaj lij aerosol ntawm Virginia Tech tau hais hauv Twitter tias nws xav tias cov kws tshawb fawb tiag tiag yuav tau ntes cov ntaub npuag (polyester fabrics tsis zoo rau qhov no, tshwj xeeb tshaj yog thaum tshiab). Marr tau ua raws li kev sim cov gaiters hauv nws lub chaw kuaj mob thiab tshaj tawm tias lawv zoo li lim nrog rau lwm cov qauv tsim, tshwj xeeb tshaj yog thaum cov gaiters nyias nyias tau ntim ob npaug.

Ib qho laj thawj rau qhov tsis meej pem / kev sib cav yog vim tias cov gaiters yog qhov loj tshaj plaws qhov ncauj qhov ntswg koj tuaj yeem pom, lawv muaj qhov qis tshaj qhov poob siab, yog li txo cov cua tshaj tawm. Tau kawg, cov khoom tawm thaum ua pa tuaj yeem dhau los ntawm cov khoom nyias, tab sis qhov qis qis tuaj yeem pab cuam tshuam, nrog cov khoom uas ntab ncig hauv lub qhov rooj kom txog thaum lawv tau daig ntawm cov ntaub lossis koj cov tawv nqaij. Lub upshot? Lub caj dab caj dab tej zaum zoo, tab sis raws li Wang thiab Marr txoj haujlwm ob qho tib si qhia, nws yog qhov zoo tshaj los muab ob npaug rau txheej. Ntawm qhov tod tes, Wang qhov kev sim ntsuas tau qhia tias cov paj rwb bandanas yuav yog qhov kev xaiv zoo tshaj plaws, vim tias cov ntaub tsuas yog tsis ntom txaus los thaiv feem ntau cov pa pa tawm.

Kuv Puas Yuav Tsum Tau Hnav Daim Npog Sab Nraud?

Thaum ntxov, cov neeg saib xyuas kev noj qab haus huv tau tsom mus rau feem ntau ntawm kev xa ncaj qha los ntawm cov tee dej loj dua thiab kev sib cuag ntawm qhov chaw uas muaj kab mob los ntawm cov tee dej. Qhov ntawd yog qhov uas cov lus pom zoo zoo li rau-taw nyob deb tau los ntawm. Tab sis thaum ntxov Lub Xya Hli, ib pab pawg ntawm ntau dua 200 tus kws tshawb fawb, suav nrog Marr, tau hais kom Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Hauv Ntiaj Teb lees paub qhov lawv ua haujlwm tau ua kom pom tseeb: COVID-19 tseem kis tau los ntawm cov pa me me hu ua aerosols.

Karen Kormuth, kws tshawb fawb txog tsiaj txhu ntawm Bethany College uas tshwj xeeb hauv aerobiology thiab RNA cov kab mob (xws li mob khaub thuas thiab mob coronavirus). "Qhov ntawd yuav ua rau muaj kev kis mob hnyav dua." Kev nqus nqus nqus ntau dua yuav tshwm sim nrog hnyav, qhib qhov ncauj ua pa zoo li thaum lub sijhawm ua haujlwm. Dab tsi ntxiv, kev tshawb fawb qhia tias, hauv lub ntsws, cov virions tob tob no tuaj yeem ua lub luag haujlwm tseem ceeb hauv lub cev tiv thaiv kab mob siab, nrov hu ua cua daj cua dub cytokine, uas tuaj yeem ua rau mob hnyav dua.

Ntawm qhov tod tes, qhib huab cua yog qhov tseem ceeb uas txwv tsis pub muaj kev pheej hmoo kis mob sab nraud, thiab UV teeb los ntawm lub hnub puv tuaj yeem ua rau tus kab mob tsis tuaj yeem nyob hauv ob peb feeb xwb. Tsis tas li ntawd, kev sib ntsib nrog lwm tus ntawm txoj kev lossis txoj kev taug yog feem ntau ncua sijhawm. Yog tias koj luv luv dhau ib tus neeg tso tus mob coronavirus hauv lawv cov pa, puas txaus ua rau koj mob? Tej zaum tsis yog. Ib txoj kev tshawb fawb tshiab ua ntej (ib qho tseem tsis tau tshuaj xyuas) los ntawm cov kws tshaj lij ntawm Colorado State University tau tshaj tawm ib qho kev ntsuas hu ua Effective Rebreathed Volume (ERBV) uas ntsuas qhov raug. Hauv txhua qhov xwm txheej ua qauv, ERBV sab nraum zoov tau tsawg dua li nws nyob hauv tsev, tshwj tsis yog nyob deb ntawm tsawg dua 1.6 feet.

Tseem, txawm nyob sab nraud, kev sib tshuam ntev ua rau muaj kev pheej hmoo. Erin Bromage, kws tshuaj tiv thaiv kab mob thiab tus kws tshaj lij biology tshwj xeeb hauv kev kis kab mob hauv University of Massachusetts, tau sau rau hauv cov ntawv xov xwm uas tau nyeem thoob plaws lub Tsib Hlis tias cov mis rau kev kis kab mob tau zoo yog kis tau los ntawm lub sijhawm. Qhov kev pheej hmoo tsawg, yog tias tsis yog xoom, rau cov neeg hla kev sib cuam tshuam ntawm txoj kev. Tab sis txhua qhov kev sib cuam tshuam, thiab tshwj xeeb tshaj yog txhua qhov thaiv ntxiv ntawm lub sijhawm koj siv hauv lwm tus lub tuam txhab, ua rau koj muaj peev xwm raug. Qhov ntawd txhais tau hais tias mus rau pab pawg khiav, caij tsheb, thiab taug kev yam tsis muaj lub npog ntsej muag tseem muaj kev phom sij.

Tsuas muaj qee qhov xwm txheej ntawm kev sib kis sab nraud. Tab sis Shelly Miller, tus kws tshaj lij engineering ntawm University of Colorado thiab tus kws tshaj lij ntawm COVID-19 aerosol kis tau, tau sau rau hauv Twitter tias nws tseem niaj hnub siv lub ntsej muag npog ntawm kev caij tsheb kauj vab roob.

Tsis muaj leej twg ntsuas-tsis qhov ncauj qhov ntswg, tsis deb, tsis ntxuav tes-yog ib qho impermeable barrier rau kis tau tus mob. Dab tsi yog qhov tseem ceeb yog kev sib koom ua ke kom txo tau qhov kis mus rau qhov tsawg tshaj plaws. "Tshwj xeeb yog tias koj tab tom tawm dag zog ib puag ncig lwm tus neeg, koj yuav tsum hnav lub npog ntsej muag thiab nyob deb," Kormuth hais.

Kev hais lus tsis txaus ntseeg, hnav lub npog ntsej muag tuaj yeem xa cov teeb liab muaj zog rau kev sib raug zoo. Nws hais rau lwm tus hais tias, "Nyob zoo, Kuv yog tus neeg saib xyuas, thiab kuv ua txhua yam kuv ua tau los tiv thaiv peb ob leeg." (Qhov thim rov qab kuj tseem muaj tseeb.)

Cov kis las pom tias qhov ncauj qhov ntswg tsis xis nyob, cuam tshuam lawv lub peev xwm ua haujlwm hnyav, lossis ua rau lawv cov pa oxygen saturation poob. Qhov no feem ntau yog qhov tseeb (koj yuav tsum tsis txhob muaj qhov poob qis hauv oxygen saturation, tab sis yuav tsum ntse; yog tias koj hnov cov tsos mob xws li ua tsis taus pa lossis kiv taub hau, txo koj qhov kev siv zog). Tab sis tsis muaj qhov ntawd txhais tau tias hnav lub npog ntsej muag thaum qoj ib ce nyuaj. Kev kis thoob qhov txhia chaw uas tau coj ntau dua 200,000 Asmeskas nyob hauv tsawg dua yim lub hlis yog qhov nyuaj. Ob zaug ntau tus neeg tawm ntawm kev ua haujlwm raws li qhov kev poob qis tshaj plaws hauv 50-ntxiv xyoo dhau los yog qhov nyuaj. Cov menyuam yaus poob qhov tseem ceeb ntawm kev kawm thiab kev loj hlob ntawm tus kheej-thaum dodging Zoom cov neeg phem-yog qhov nyuaj. Kev hnav lub npog ntsej muag ntawm kev caij tsheb, khiav, thiab taug kev los pab txo tus kab mob kis tau, feem ntau, qhov tsis yooj yim me.

Txawm tias lub qhov ncauj qhov ntswg tsis zoo yog qhov zoo dua li tsis muaj ib qho twg. Fernandez taw qhia tias lub qhov ncauj qhov ntswg ua haujlwm sib sau ua ke (txawm hais tias ntawm qhov ntsuas logarithmic): yog tias ob tus neeg sib cuam tshuam yog txhua tus hnav lub npog ntsej muag uas ntes 50 feem pua ntawm cov pa tawm, nruab nrab ntawm lawv lawv yuav ntes 75 feem pua. Tsis yog, nws tsis yog N95 qib kev tiv thaiv. Tab sis nws tseem ceeb heev. Xav paub ntau ntxiv txog aerosols thiab COVID-19? Nov yog ob qhov chaw qhib cov ntaub ntawv zoo heev uas tau pab rau zaj dab neeg no.

Kev Xeem

Kuv tau siv ob peb lub hlis dhau los ntsuas 12 lub qhov ncauj qhov ntswg kis las los ntawm 11 lub tuam txhab sib txawv: Athleta (Made to Move), Asics, Buff, Eliel, Headsweats, La Sportiva, Kev Tshawb Fawb Sab Nraud, RunMitts, Under Armour, Verge Sport, thiab Zensah. Qhov kev sim tau yooj yim. Kuv siv lawv thaum kuv txoj kev tsis tu ncua, pob zeb, thiab caij tsheb kauj vab hauv roob thiab ntsuas lawv kom haum, kev nplij siab, qhov loj me, thiab ua pa. (Thaum peb tuaj yeem nqaim qhov chaw ntawm lub qhov ncauj qhov ntswg raws li ob peb yam, sim seb lawv txhua qhov cuam tshuam li cas ntawm kev ua pa yog dhau kuv lub peev xwm yam tsis muaj chaw sim.)

Kev Tshawb Fawb Txog Kev Tshawb Fawb: Dab tsi los nrhiav hauv Daim Npog Kev Ua Si

Lub npog ntsej muag loj yuav tsum lim zoo dua (yog tias nws haum zoo)

Kuv kuj pom tias lawv haum zoo dua rau qhov qhib qhov ncauj ua pa thaum lub zog ua haujlwm, zoo li muaj kev poob qis (piv txwv li, ua pa zoo dua), thiab feem ntau cov looj tsom iav dub tsawg tshaj plaws.

Tau ib daim npog ntsej muag nrog ntau txheej ntawm ntaub

Txhua daim ntawv xeem peb tau hais tias ntau txheej lim zoo dua li ib txheej. Feem ntau, cov denser ntaub weave los yog knit, zoo dua. Thickness tuaj yeem ua tus neeg sawv cev rau qhov ntom ntom, raws li Wang cov txiaj ntsig nrog lub khw microfiber tu daim ntaub pom. Lub qhov ncauj qhov ntswg yuav tsum thaiv feem ntau lub teeb thaum tuav mus rau lub qhov rais ci. Yog tias koj tuaj yeem pom los ntawm lub npog ntsej muag, nws tuaj yeem ntes cov tee dej tab sis yuav tsis zoo tiv thaiv aerosols.

Nrhiav ib daim npog qhov ncauj uas zaum ze ntawm koj lub ntsej muag

Kuv nyiam qhov ncauj qhov ntswg uas zaum ze ntawm kuv lub ntsej muag zoo tshaj plaws. Qee lub npog ntsej muag, zoo li Asics Runner Mask thiab Under Armor Sports Mask, yog tsim los zaum ntawm lub ntsej muag kom tsis txhob muaj qee qhov kev xav ntawm claustrophobic tib neeg tuaj yeem ntsib. Qhov chaw ntxiv tau zoo pib nrog, tab sis li ntawm 10 mus rau 15 feeb, hws thiab exhaled ua pa pib ua rau kuv daim tawv nqaij, tsim kom muaj qhov tsis xis nyob hauv tsev cog khoom. Lub qhov ncauj qhov ntswg kaw hauv kev ua haujlwm ntawm cov ntaub zoo li ua haujlwm zoo li wicking puag txheej, ua kom kuv lub ntsej muag thiab lub ntsej muag kom qhuav.

Cov pob ntseg pob ntseg zoo dua li kev sib txuas hauv qab-lub taub hau, nyob ntawm kev siv

Rau cov neeg caij tsheb kauj vab, cov pob ntseg-loop txuas ua si zoo dua nrog cov kaus mom hlau zoo dua li cov kab hauv qab lub taub hau ua. Lawv kuj tau nrawm dua yog tias koj rub lub npog ntsej muag thaum lwm tus tsis nyob ib puag ncig. Rau cov neeg taug kev taug kev, kev ruaj ntseg ntawm kev sib txuas hauv qab lub taub hau tuaj yeem pab ua kom lub npog ntsej muag zoo dua.

Cov kab mob qhov ntswg tseem ceeb

Lub qhov ntswg xaim yog qhov tshwj xeeb tshaj plaws cov tuam txhab lag luam xav tau sib koom ua ke tab sis tsis ua. Lawv pab immensely nrog lub ntsej muag haum, uas txhais tau hais tias zoo filtration efficiency. Rau leej twg hnav looj tsom iav dub, lawv kuj txo cov pos huab. Yuav luag tag nrho cov qhov ncauj qhov ntswg hauv kuv qhov ntsuas qhov tsom iav thaum kuv ua haujlwm hnyav ntawm qhov nrawm nrawm ntawm kev nce siab; qee qhov ua rau huab cua txawm nyob ntawm 15 mais ib teev. Tab sis qhov ncauj qhov ntswg nrog lub qhov ntswg xaim fogged tsawg tshaj plaws. Kuv qhov kev sim tau tshwm sim hauv qhov kub thiab txias (60 txog 80 degrees). Kuv xav tias thaum nws txias dua qhov teeb meem yuav loj dua.

Pom zoo: