Saldhigga daaweynta bulaacada ee Nongfushanquan oo ku taal buurta dambe ee buurta Emei waxay isticmaashaa mitirka pH-ka, cabirka heerka radar-ka fiilada iyo aaladaha kale ee goobta si loo cabbiro heerka biyaha barkada bulaacada iyo qiimaha pH ee barkada banaanka si loo hubiyo in dheecaanka wasakhda ahi uu gaadho heerka.
