Tetrafluoroethane Siv Tau Cov Tshuaj Aerosol Li Cas?

Lub sij hawm ntev, aerosol spray CFCs daim ntawv pov thawj zoo nrog cov kev hloov zoo nkauj, kev nyab xeeb thiab nqi nruab nrab, tab sis vim yog siv cov txheej txheem Ozone, raws li Montreal Protocol , nws yuav tswj tau maj mam thiab globing, thiab nws yuav hloov los ntawm HFA-134A nrog tsawg dua qhov rhuav tshem hauv Ozone txheej txheem.

Niaj hnub nim no, Kev sib tw r134a kuj tau hu ua tshuaj aerosols , nws yog siv rau hauv MDIs (Metered Dose Inhalers), thiab siv Nasal Aerosol thiab ua npuas aerosol kom kho mob rhinitis, thiab kuj siv los ua kev mob asthma aerosol kom kho mob hawb pob, COPD (Obstructive Chronic tus kab mob ntsws (pulmonary disease), thiab kab mob ntsws, thiab dab tsi ntxiv, siv nyob hauv lub qhov ncauj thiab lub zos aerosol (los txhim kho paj hlwb, lub dag zog ua kom muaj zog thiab txo kev mob, thiab lwm yam).

2017-07-04