Abstrakt
Yat jung yeung fa chui fa jai, kei baau koot yeung fa si woh suen ji gam woh bok dik gam suk, soh sut yeung fa chui fa jai tung gwoh jeung yeung fa si woh gam suk chung ba jin se do gei dai loi jai bei, kei jung soh sut yeung fa si woh gam suk choi liu joi a hei hei fan ha chung ji siu yat goh ba tung si jin se do gei dai yi ying sing baau koot fan saan dik gam suk yuen ji dik yeung fa si chang. Tung gwoh goi fong faat jai bei dak ding dik Au-CeO2 woh Pt-CeO2 chui fa jai.