Yog tsis muaj ib puag ncig cov tub yees ua si, basons xoom sidp (ozone depletion muaj peev xwm): nws tsis muaj kev phom sij rau ntawm cov huab cua ozone txheej. Nws tseem muaj qhov qis heev gwp (ntiaj teb sov sov muaj peev xwm): isobutane's gwp yog kwv yees li 3.
Thaum xaiv ib puag ncig cov tub yees ua phooj ywg, nws cuam tshuam rau peb yam hauv qab no yog qhov tseem ceeb:
1. Ntiaj teb no ua kom sov muaj peev xwm (GWP): qhov qis dua GWP, qhov zoo dua. Qhov no yog tam sim no yog ib qho ntawm cov ntsuas tseem ceeb tshaj plaws.
2. Ozone depletion muaj peev xwm (ODP): Ib puag ncig phooj ywg tus phooj ywg yuav tsum muaj qhov tseeb ntawm 0.
3
Meze Sawb Tshuaj, raws li lub tuam txhab hauv cov hydroproup cov tub yees kev lag luam, tau cog lus los pab txhawb kev tiv thaiv ib puag ncig.
Cim npe nrov: Tuam Tshoj qhov siab {{purity i1} Tuam Tshoj Tuam Tshoj lub siab {1} {1} {1} {1} {1}-
