Mercury yog ib qho ci ntsa iab, nyiaj ua kua hlau uas tuaj yeem ua rau mob hnyav. Cov kua mercury vaporizes (evaporates) ntawm chav tsev kub ua rau cov mercury nce siab hauv huab cua sab hauv. Mercury vapor tsis ua rau khaus thiab tsis muaj ntxhiab, yog li tib neeg tsis paub thaum lawv ua pa.
Puas mercury vaporize ntawm chav tsev kub?
Nyob rau hauv chav tsev kub, raug cov ntsiab lus mercury tuaj yeem evaporate los ua qhov pom tsis tau, tsis muaj ntxhiab tsw ntxhiab vapor. Yog tias cua sov, nws yog xim tsis muaj xim, tsis muaj ntxhiab tsw.
Nws yuav siv sij hawm ntev npaum li cas mercury kom evaporate?
Raws li kev sim ua los ntawm US Environmental Protection Agency, evaporation ntawm mercury droplets nyob rau hauv cov huab cua tau ua qauv raws li ib tug exponential decay, thiab qhov tseem ceeb rau qhov lwj tas li, k(d), tau kwv yees; tus nqi rau k (-1) (d) ranged ntawm 0.7 hnub rau 2.2 hnub tshaj qhov kub ntawm 302 K txog 310 K.
Puas mercury txaus ntshai ntawm chav sov?
Mercury yog cov khoom ntom ntom uas tsuas yog cov hlau uas muaj nyob hauv cov kua hauv chav sov. Nws muaj cov hluav taws xob hluav taws xob siab thiab nws nthuav dav thiab sib cog lus sib npaug nrog kev hloov pauv hauv qhov kub thiab txias. Mercury yog tshuaj lom rau cov kab mob nyob, suav nrog koj thiab koj tsev neeg.
Puas yog mercury txhaum cai rau tus kheej?
Effective Lub Ib Hlis 1, 2003, California Mercury Reduction Act txwv tsis pub muag ntau yam khoom uas muaj mercury. TxawmTxawm hais tias lawv raug txwv los ntawm California lub khw muag khoom, cov mercury uas muaj cov khoom lag luam tseem niaj hnub pom hauv tsev.