Litaba tsena li kenyelletsa lintlha tse tsoang ho litsebi mafapheng a tsona, 'me li hlahlobiloe ho netefatsa hore li nepahetse.
Re ikemiselitse ho u fa litaba tse entsoeng lipatlisiso le tse tsamaisoang ke litsebi ho u thusa ho etsa liqeto tse nang le tsebo hobane li ama karolo e 'ngoe le e 'ngoe ea bophelo ba hau ba letsatsi le letsatsi. Re lula re leka ho u fa litaba tse molemohali.
Boithuto bo bocha bo bonts'a hore ntho ena e tloaelehileng ea lapeng e ka ba senotlolo sa ho itšireletsa hamolemo ho tsoa ts'oaetsong ea COVID.
Leha maske a N95 a ntse a ka haelloa ke seoa sa COVID, ho ka ba le tharollo e bohlale e ka u sireletsang joalo ka PPE ea boemo ba bongaka. Ho latela phuputso e ncha, ho phumula masea a omileng e ka ba senotlolo sa ho etsa hore mask a hau a be a sireletseha joalo ka N95. Tsoela pele ho bala ho ithuta haholoanyane ka boqhetseke bona bo thehiloeng mahlaleng, 'me u ithute haholoanyane ka mekhoa ea mask eo u hlokang ho e tseba,' me u fumane hore na hobaneng haeba mask a hau a sena lintho tsena tse 4, ka kopo fetohela ho e ncha, ho boletse ngaka.
Phuputsong ea bona, bafuputsi Univesithing ea British Columbia ba ile ba leka mekhoa e mengata ea maske le masela a fapaneng a 41 ho utloisisa hore na ba thibela marotholi joang. Kamora ho bapisa liphetho, ba ile ba fihlela qeto ea hore maske e nang le likarolo tse peli tsa k'hothone e sirelelitsoeng ka bongata bo tlase le likarolo tse tharo tsa lihlapi tsa bana e le sefe e sebetsa haholo ho thibela ho ata ha marotholi.
"Lihlapa tsa bana hangata li entsoe ka spunlace le spunbond polypropylene-e ts'oanang le mofuta oa polypropylene e fumanoang ho limaske tsa bongaka le li-respirators tsa N95," Dr. Jane Wang, moprofesa oa bongaka Univesithing ea British Columbia School of Biomedical Engineering School of Medicine, polelo hlalosa.
Ha e le hantle, ho latela Dr. Steven N. Rogak, moprofesa oa boenjiniere ba mechine Univesithing ea British Columbia ea sebetsanang le li-aerosols, "Maske ea lesela e kentsoeng hantle le e entsoeng hantle le sefe ea ho hlakola lesea e tla sefa 5-kapa 10 micron. likaroloana ka katleho. , Eseng mask a N95 a kentsoeng ka mokhoa o sa lokelang. ”
Ho latela sengoloa sa lipatlisiso se phatlalalitsoeng ho BMC Pulmonary Medicine ka 2012, boholo bo tloaelehileng ba li-aerosols tsa khohlela ho tloha ho li-microns tse 0.01 ho isa ho tse 900, tse fanang ka maikutlo a hore ho kenyelletsa filthara e omileng ea lesea ho maske a tloaelehileng a lesela ho ka lekana ho thibela tšoaetso ea COVID marotholi a phefumolohang. ho jaleha.
Leha ho le joalo, litsebi li re ena ha se eona feela tsela ea ho etsa hore limaske li sireletsehe. Tsoela pele ho bala ho ithuta ho etsa bonnete ba hore u na le tšireletso e ntle ka ho fetisisa khahlanong le COVID. Mabapi le litaba tsa morao-rao tsa mask, Dr. Fauci o boletse hore CDC e ka etsa liphetoho haufinyane maske ana a maholo.
Leha limaske tsa masela e ka ba mokhoa oo batho ba bangata ba o roala letsatsi le letsatsi, mofuta oa mask o ka ama ts'ebetso ea ona haholo.
Ho ea ka bafuputsi ba Univesithing ea British Columbia, ha e le hantle, lesela le ka ntle la mask le lokela ho etsoa ka nylon e lohiloeng, polyester satin, k'hothone e lohiloeng ka mahlakoreng a mabeli kapa k'hothone e entsoeng ka quilted; karolo e ka hare e lokela ho ba silika e hlakileng, k'hothone e mahlakoreng a mabeli kapa e entsoeng ka quilt. K'hothone; le sefe bohareng. Bafuputsi ba bontšitse hore ntle le tšireletso e fanoeng ke likarolo tsa mask tse boletsoeng ka holimo, boiketlo ba bona le ho phefumoloha ha bona ho etsa hore ho be bonolo ho apara nako e telele. Haeba u batla ho etsa bonnete ba hore u sirelelitsoe, qoba ho sebelisa mofuta o "sa amoheleheng" oa mask, Mayo Clinic ea lemosa.
Li-N95 e kanna ea ba tekanyetso ea khauta ea ts'ireletso khahlano le COVID, empa maske efe kapa efe eo u e roalang e ipapisitse le ho lekana ha eona. Rogak o itse: "Le limaske tsa N95, haeba li sa tiise sefahleho, li tla hula marotholi a maholo le a maholo a nang le livaerase tse ngata." O hlalositse hore limaske tse pleated hangata li na le likheo le ho lutla. "U hloka ho theha pokotho ea moea e nang le mokokotlo o moholo ka pele e le hore maske kaofela a ka fapanyetsana moea." Bakeng sa tlhaiso-leseling e batsi mabapi le limaske tseo u lokelang ho li qoba, sheba temoso ea CDC khahlano le ho sebelisa limaske tsena tse 6.
Haeba u roala maske a ka sebelisoang hape, CDC e khothaletsa ho e hlatsoa bonyane hang ka letsatsi, haholo-holo nako le nako ha e silafala. Ebile, ho latela phuputso e phatlalalitsoeng bukeng ea Loetse 2020 BMJ Open, "li-mask tsa masela a hlatsoitsoeng li ka sireletsa joalo ka limaske tsa bongaka."
Leha ho le joalo, ho leka ho sebelisa N95 hape ka ho hloekisa e ka ba phoso e bolaeang. Bafuputsi Univesithing ea British Columbia ba fumane hore ho hlatsoa limaske tsa N95 ka sesepa le metsi "ho fokotsa ts'ebetso ea bona ea ho sefa haholo." Bakeng sa litaba tse ling tsa polokeho ea COVID tse rometsoeng ho inbox ea hau, ka kopo ingolise bakeng sa koranta ea rona ea letsatsi le letsatsi.
Leha li bonahala li etsa hore ho phefumoloha habonolo, haeba mask a hau a na le masoba, e ke ke ea emisa ho ata ha COVID. Ho latela Litsi tsa Taolo le Thibelo ea Mafu (CDC), limaske tsa moea "li kanna tsa se u thibele ho hasana COVID-19 ho ba bang. Masoba a ka har’a thepa a ka ’na a lumella marotholi a hao a phefumoloho ho tsoa.” Pele o khutlela seoa sena Pele ho ketsahalo, ka kopo hlokomela hore Dr. Fauci o sa tsoa re ena ke eona feela tsela e bolokehileng ea ho jella reschorenteng.
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Nako ea poso: Sep-15-2021