Uvavanyo lweDolomiteUvavanyo olukhethiweyo kwi-Euro Enc 149: 2001 + A1: 2009.
Imaski ivezelwe uthuli lwe-dolomite malunga nobukhulu be-0.7 ~ 12μm kwaye uthuli luye kuthi ga kwi-400 ± 100mg / m3. Emva koko uthuli luyenziwa ngemaski kwiqondo lokuphefumla eliyi-2 yeelitha ngexesha. Uvavanyo luyaqhubeka de kufike uthuli lothuli ngexesha ngalinye lifikelela kwi-833MG · H / M3 okanye i-Peak ifikelela kwixabiso elichaziweyo.
IUkuqulunqa kunye nokuchasana nokuphefumla kwemaskizavavanywa ke.
Zonke iiMaski ezipasisa uvavanyo lokuthintela i-Dolomite lunokungqina ukuba ukuxhathisa imaski yokuphefumla ngokuhamba kancinci ngenxa yokuthintela umoya kunye nemveliso ende kakhulu yokunxiba.
Ixesha lokuphumla: Mar-29-20233