Vim li cas POPs txaus ntshai?
Vim li cas POPs txaus ntshai?

Video: Vim li cas POPs txaus ntshai?

Video: Vim li cas POPs txaus ntshai?
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Organic pollutants tsis tu ncua ( POPs ) yog cov tshuaj lom neeg uas cuam tshuam rau tib neeg kev noj qab haus huv thiab ib puag ncig thoob ntiaj teb. Vim tias lawv tuaj yeem thauj tau los ntawm cua thiab dej, feem ntau POPs generated nyob rau hauv ib lub teb chaws tuaj yeem cuam tshuam rau tib neeg thiab tsiaj qus nyob deb ntawm qhov chaw uas lawv siv thiab tso tawm.

Ntxiv mus, vim li cas POPs tsis tu ncua?

Organic pollutants tsis tu ncua ( 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 cov txheej txheem photolytic. Vim lawv kev nyob ruaj khov , POPs bioaccumulate muaj peev xwm cuam tshuam rau tib neeg kev noj qab haus huv thiab ib puag ncig.

Kuj Paub, dab tsi yog qhov qias neeg POPs? Hauv xyoo 2001, nws tau pib npog 12 POPs ntawm qhov kev txhawj xeeb loj tshaj plaws, hu ua "cov qias neeg qias neeg:" aldrin , chlordane, DDT, dieldrin, dioxins, endrin, furans, heptachlor, hexachlorobenzene, mirex, PCBs, thiab toxaphene.

Ib yam li ntawd, vim li cas peb thiaj txhawj xeeb txog POPs?

Txog POPs Persistent organic pollutants ( POPs ) yog cov tshuaj ntawm lub ntiaj teb no kev txhawj xeeb vim lawv lub peev xwm rau kev thauj mus los ntev, kev pheej hmoo ntawm ib puag ncig, muaj peev xwm bio-magnify thiab bio-accumulate hauv ecosystems, nrog rau lawv cov kev cuam tshuam loj heev rau tib neeg kev noj qab haus huv thiab ib puag ncig.

POPs yog dab tsi?

Persistent Organic Pollutants ( POPs ) yog ib pawg ntawm cov tshuaj lom neeg heev thiab tuaj yeem ua rau mob qog noj ntshav thiab lwm yam teebmeem kev noj qab haus huv. POPs yog pheej nyob rau hauv ib puag ncig thiab taug kev deb ntawm huab cua thiab dej. POPs yog cov organic chemical compounds uas bioaccumulate nyob rau hauv cov tsiaj thiab tib neeg.

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