Txog 134 a, muaj ob qib pharma 134 a thiab “qib qeb” R 134 a (qib muaj r 134 a).
Qhov txawv yog hauv qab no:
HFA Cov Neeg Tawm Tsam / Aerosol Cov Hwj Hwm HFA-134 rau Kev Kho Mob xws li:
* MDIs (Metered Dose Inhalers) tseem hu ua tshuaj aerosols lossis tshuaj tsuag hawb pob rau kev kho mob hawb pob, mob COPD (Mob Ntsws Tsis Ntev Hlav) thiab ua pa nyuaj
* qhov ntswg tshuaj txau rau kev kho mob ua xua rhinitis
* Txau tshuaj txau
* tshuaj qhov ncauj thiab tshuaj pleev qhov ncauj (piv txwv li lub hlwb kho kom zoo, hniav kom loj, hnov mob ib ce)
* hloov lub pa tag nrho ua kom nws cov kua tshuaj chlorofluorocarbons
CFC 11, CFC 12 thiab CFC 11 4
ib txwm siv nyob rau hauv kev kho mob tshuaj tsuag uas tau raug txwv tsis pub siv raws li Montreal Cov Lus Cog Tseg los ntawm cov tsis yog ozone depleting hydrofluoroalkanes HFA 134 a, uas tseem hu ua Pharmaceutical HFA-134A (P)
Thaum “Theem tawm kev kawm” R 134 a (industrial qib r 134 a) feem ntau yog siv ua tub yees R 134 a thiab cov tshuaj tua hluav taws tua hluav taws .Nws yog nrog:
* lub siab huv tshaj uas tau txais los ntawm kev tsim cov txheej txheem tshwj xeeb tsim thiab siv los ua kom tau raws li cov kev cai tshwj xeeb tau teev tawm cov khoom lag luam qib siab,
* kev tsim khoom hauv cov khoom vaj khoom tsev ib txwm ua raws li cov qauv kev tsim khoom zoo tam sim no,
* qib siab zoo tswj siv cov qauv ntsuas tshwj xeeb tsim toscreen ntau dua li 60 qhov tsis zoo ntawm thepropellants ntawm qib qis dua ib nrab lab,
* kev tso npe ntawm cov khoom tsim tawm thiab kev tswj hwm kev tswj hwm zoo raws li cov qauv kev siv tshuaj yeeb tshuaj, txawm hais tias ob qho tib si Propellant Hfa (P) 134 ib qho rau Inhaling thiab Txau Roj nrog DMF Daim Ntawv Pov Thawjyog classed li
cov neeg loj.
