Nchedo nkeonwe nke eji eme ihe eji eji ejiji Particulate N95 mask

Onye nchịkọta akụkọ profaịlụ N95
Ihe mkpuchi N95 bụ otu n'ime ndị na-eku ume irighiri ihe ruru itoolu nke NIOSH. "N" pụtara na ọ naghị eguzogide mmanụ." na ọnụ ọgụgụ a kapịrị ọnụ nke ihe nyocha pụrụ iche. 95% nke ụkpụrụ ndị a abụghị nkezi, ma kacha nta. N95 abụghị aha ngwaahịa kpọmkwem, ma ọ bụrụhaala na ọ na-ezute ụkpụrụ N95 ma kwadoro NIOSH. Usoro nchebe nke N95 pụtara. na arụmọrụ filtration nke ihe nzacha nkpuchi na ihe na-abụghị mmanu mmanu (dị ka uzuzu, alụlụ acid, alụlụ agba, microorganism, wdg) bụ 95% n'okpuru ọnọdụ nnwale nke ọkọlọtọ NIOSH kwuru.

Ndozi ọrụ na ebumnuche
The filtration arụmọrụ nke N95 nkpuchi na ahụ na aerodynamic dayameta nke 0.075 m± 0.02 m bụ karịa 95%.The aerodynamic diameters nke airborne nje bacteria na fungal spores dịgasị tumadi n'etiti 0.7 na 10 m na bụkwa n'ime nso nke N95 nkpuchi. Ya mere, enwere ike iji ihe mkpuchi N95 mee ihe maka nchebe iku ume nke akụkụ ụfọdụ, dị ka polishing, ihicha na nhazi nke uzuzu sitere na ịnweta, ntụ ọka na ụfọdụ ihe ndị ọzọ, wdg, ọ dịkwa mma maka mmiri mmiri ma ọ bụ ihe ndị na-abụghị mmanụ na-emepụta site na ya. spraying, nke na-adịghị emepụta ihe na-emerụ ahụGases.Ọ nwere ike nzacha nke ọma ma mee ka ísì ọjọọ ndị a na-ekuru (ma e wezụga gas na-egbu egbu), na-enyere aka belata mkpughe nke ụfọdụ ụmụ irighiri microbial inhalable (dị ka ebu, anthrax bacillus, ụkwara nta bacillus, wdg), ma ọ dịghị ewepụ ya. ihe ize ndụ nke ibute ọrịa kọntaktị, ọrịa ma ọ bụ ọnwụ [1].
Ngalaba na-ahụ maka ọrụ na United States akwadola ihe mkpuchi N95 maka ndị ọrụ ahụike ka ha chebe onwe ha pụọ ​​​​na ọrịa na-efe efe dị ka influenza na ụkwara nta.

Onye ndezi ụkpụrụ nchekwa
Ndị ọzọ na-eku ume nke NIOSH na-agụnye N95, N99, N100, R95, R99, R100, P95, P99, na P100. Usoro nchebe ndị a nwere ike ikpuchi nchebe nke N95.
"N" na-anọchi anya adịghị eguzogide mmanụ, dabara maka ihe ndị na-abụghị mmanu mmanu.
"R" na-anọchi anya mmanụ na-eguzogide mmanụ, dabara maka mmanu mmanu ma ọ bụ na-abụghị mmanu mmanu. Ọ bụrụ na ejiri ya maka nchebe nke mmanu mmanu, oge ojiji ekwesịghị gafere awa 8.
“P” na-anọchi anya ihe akaebe mmanụ, dabara adaba maka mmanu mmanu ma ọ bụ ihe na-abụghị mmanu, ọ bụrụ na ejiri ya mee ihe maka mmanu mmanu, oge ojiji kwesịrị ịgbaso ndụmọdụ ndị nrụpụta.
"95"," 99" na "100" na-ezo aka na ọkwa arụmọrụ filtration mgbe ejiri 0.3 micron nwalee

Onye ndezi nlele dabara adaba
Na mgbakwunye na arụmọrụ nzacha nke ihe nkpuchi ahụ, njigide dị n'etiti ihe mkpuchi na ihu bụ otu n'ime ihe ndị dị mkpa na-ekpebi ịdị irè nke nkpuchi ahụ. Ya mere, a ga-anwale ihe nkpuchi ahụ tupu ejiri ya. ihu onye na-eyi, hụ na ikuku nwere ike ịbanye na nkpuchi n'okpuru ọnọdụ nke dabara na nsọtụ ihu.

Uzuzu na nchịkọta akụkọ ahụike
Cao xuejun, onye osote onye isi ụlọ ọrụ ngalaba ụlọ ọrụ na-ahụ maka ngwa ahịa nke ministri nke ụlọ ọrụ na teknụzụ ozi, kwuru na nnọkọ mgbasa ozi na Tuesday,
Ihe mkpuchi N95 bụ ihe mkpuchi nwere arụmọrụ nzacha ruo ọkọlọtọ 95%. E kewara ha ụzọ abụọ: nchekwa uzuzu ụlọ ọrụ na nchekwa ahụike.[2]
"Ndị ọrụ na-akwakọba ihe mkpuchi ahụike N95 (foto e mere na Feb. awa 20 kwa ụbọchị iji hụ na ike imepụta ihe karịrị 20,000 masks maka mpaghara Hubei na mpaghara njikọ.[3]
Uzuzu uzuzu ụlọ ọrụ N95 na KN95 bụ ihe mgbochi na-abụghị mmanu mmanu, yana ahụike N95 bụ iku ume ahụike (ọ bụghị naanị ihe mgbochi, dịkwa mkpa iji gbochie mmiri mmiri, wdg).(foto dị na mgbakwunye nkexinhuanet.com bụ "N95" na ihe ndị a bụ "ihe mkpuchi ahụike")

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