Xov Xwm Kev Lag Luam

Dab tsi yog qhov sib txawv ntawm cov npog qhov ncauj pov tseg thiab qhov ncauj qhov ntswg kho mob

2020-04-08


Dab tsi yog qhov sib txawv ntawm cov npog qhov ncauj pov tseg thiab cov qhov ncauj qhov ntswg kho mob?


1. Txawv cov khoom sib txawv: cov qhov ncauj qhov ntswg pov tseg yog ua los ntawm ob txheej ntawm 28 g tsis-ntaub npuag. Kev kho mob qhov ncauj qhov ntswg feem ntau yog ua los ntawm ib lossis ntau txheej txheej ntawm cov npuag uas tsis muaj hlua khi.

2. Cov txheej txheem sib txawv: Cov txheej txheem tseem ceeb ntawm cov npog qhov ncauj kho mob muaj xws li meltblown, spunbond, huab cua kub lossis acupuncture, thiab lwm yam, uas yog sib npaug los tiv cov kua, lim tawm cov particulates thiab cov kab mob, thiab yog cov ntaub ntawv kho mob tiv thaiv. Lub qhov ncauj qhov cuam tshuam peb-txheej yog tsim los ntawm ob txheej txheej ntawm cov ntaub tsis muaj ntaub qhwv, uas yog cov kws tshaj lij siv rau kev kho mob, nrog ib txheej ntxiv nyob hauv nruab nrab uas lim ntau dua li 99% ntawm cov lim cov kab mob thiab yog ultrasonically welded.

3. Cov nyhuv txawv: qhov sib txawv ntawm cov pa ntawm huab cua (85 ± 2) L / min, daim npog kev kho mob muaj qhov pom kev ua haujlwm tsis tsawg dua 95% rau cov tshuaj nruab nrab ntawm aerodynamics (0.24 ± 0.06) sodiumm sodium chloride aerosol , uas tau xwm yeem nrog N95 (lossis FFP2) thiab sab saud. Muaj peev xwm thaiv tau qhov kev ua pa los ntawm huab cua <5μm ntawm txoj kab uas hla lossis nyob sib ze nrog cov kab mob sib kis Cov qhov ncauj qhov ntswg uas siv tsis tau.