Dab tsi yog cov pa phem tsis tu ncua thiab tsis tu ncua?
Dab tsi yog cov pa phem tsis tu ncua thiab tsis tu ncua?

Video: Dab tsi yog cov pa phem tsis tu ncua thiab tsis tu ncua?

Video: Dab tsi yog cov pa phem tsis tu ncua thiab tsis tu ncua?
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Tsis tu ncua chemicals yog cov tshuaj uas nyiam nyob rau hauv ib puag ncig rau xyoo tom qab lawv tso rau hauv nws. Nws yuav siv sij hawm ntev dua kom tshem lawv tawm ntawm ib puag ncig tom qab lawv siv tas lawm. Tsis mob siab Cov tshuaj yog cov tshuaj uas nyob twj ywm rau lub sijhawm luv luv tom qab lawv tso tawm hauv ib puag ncig.

Ntawm no, dab tsi yog qhov tsis muaj kuab paug tsis tu ncua?

• Tsis - tsis tu ncua pollutant : Kev puas tsuaj tshwm sim yog thim rov qab - piv txwv li. Cov dej phwj tuaj hauv tsev, chiv • Tsis tu ncua : Kev puas tsuaj tshwm sim yog irreversible los yog reparable tsuas yog ntau xyoo los yog ib-paus xyoo - piv txwv li. tshuaj tua kab (DDT, Dieldin), hlau.

Tom qab ntawd, lo lus nug yog, dab tsi yog cov tshuaj tua kab mob tsis tu ncua? Cov tshuaj tua kab tsis tu ncua Txhais A tshuaj tua kab nws cov teebmeem tsis zoo yog lub sijhawm luv luv thiab, yog li ntawd, tsis txhob cuam tshuam ib puag ncig rau lub sijhawm ntev tom qab thov. Phosphate-based tshuaj tua kab xws li Malathion thiab Parathion yog piv txwv ntawm tshuaj tua kab uas tsis muaj tshuaj lom . (Sesco, et al.

Ib yam li ntawd, koj tuaj yeem nug, qhov sib txawv ntawm cov tshuaj tua kab mob tsis tu ncua thiab tsis mob tsis tu ncua yog dab tsi?

Cov ntsiab lus persistent thiab tsis - tsis tu ncua xa mus ntev npaum li cas a tshuaj tua kab nyob hauv ib puag ncig. Tsis - tshuaj tua kab mob tsis tu ncua tawg hauv ib puag ncig sai dua tshuaj tua kab mob tsis tu ncua . Cov tshuaj tua kab mob tsis tu ncua muaj peev xwm ua kom muaj zog ntau dua hauv cov kab mob.

Dab tsi yog qhov pov tseg tsis tu ncua?

Tsis tu ncua organic pollutants (POPs), qee zaum hu ua "cov tshuaj mus ib txhis" yog cov organic tebchaw uas tiv taus ib puag ncig kev puas tsuaj los ntawm cov txheej txheem tshuaj lom neeg, lom neeg, thiab photolytic. Vim lawv kev nyob ruaj khov , POPs bioaccumulate nrog muaj peev xwm cuam tshuam rau tib neeg kev noj qab haus huv thiab ib puag ncig.

Pom zoo: