Cov chaw pov tseg yav dhau los feem ntau rov ua dua rau hauv qhov chaw pov tseg-kua-rau-lub zog. Kev tsim hluav taws xob los ntawm kev ntes cov roj av tsis yog qhov tshiab, thiab cov hluav taws xob hloov pauv feem ntau tau rov qab mus rau hauv daim phiaj kom muaj zog txhua yam ntawm peb lub tsev mus rau peb lub tsheb. Tseem muaj ob peb lub hnub ci vaj huam sib luag tau teeb tsa rau saum cov chaw pov tseg qub.
Ntev npaum li cas kom txog thaum cov av puv puv?
Qhov tseeb, Asmeskas tab tom khiav tawm ntawm chav hauv qhov chaw pov tseg hauv 18 xyoo, muaj peev xwm tsim kev puas tsuaj ib puag ncig, daim ntawv tshaj tawm sib cav. Sab qaum teb sab hnub tuaj tau khiav tawm ntawm qhov chaw pov tseg sai tshaj plaws, thaum lub xeev Western muaj qhov seem seem tshaj plaws, raws li tsab ntawv ceeb toom.
Yuav ua li cas yog qhov chaw pov tseg puv?
Thaum qhov chaw pov tseg tau mus txog nws lub peev xwm, cov khib nyiab tau npog nrog av nplaum thiab lwm daim thaiv yas.… Qhov chaw pov tseg tsis yog tsim los rhuav tshem pov tseg, tsuas yog khaws cia, raws li NSWMA. Tab sis cov khib nyiab hauv qhov chaw pov tseg tsis lwj, txawm tias maj mam thiab hauv qhov chaw kaw, tsis muaj oxygen.
Vim li cas thiaj muaj chaw pov tseg ntau dhau?
Cov txheej txheem tso tawm ntau cov pa phem xws li mercury, lead, arsenic, thiab carbon monoxide rau hauv huab cua uas peb ua pa. Cov zej zog tom qab ntawd ntsib kev txhawj xeeb txog kev noj qab haus huv xws li mob qog noj ntshav, kab mob ua pa, thiab yugyam tsis xws luag. Tsis yog tsuas yog khib nyiab-rau-zog ua rau muaj kev noj qab haus huv ntawm cov neeg nyob sib ze, tab sis kuj tseem kim.
Yuav ua li cas ntawm qhov chaw pov tseg?
khib nyiab decomposes nyob rau hauv qhov chaw pov tseg. Decomposition txhais tau hais tias cov tshuaj bonds uas tuav cov ntaub ntawv ua ke disintegrate thiab cov khoom tawg mus rau hauv cov khoom yooj yim. Kev puas tsuaj lom neeg tuaj yeem ua kom nrawm lossis ncua sij hawm nyob ntawm seb muaj cov pa oxygen, qhov kub thiab txias, thiab noo noo muaj.
