2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Brominated nplaim taws retardants (BFRs) yog cov khoom sib xyaw ntawm txiv neej ua tshuaj uas tau ntxiv rau ntau yam khoom, suav nrog rau kev siv hauv kev lag luam, ua rau lawv tsis tshua muaj nplaim taws. Lawv feem ntau siv hauv cov yas, textiles thiab cov khoom siv hluav taws xob / hluav taws xob.
Puas brominated nplaim retardants tseem siv?
BFRs yog ib pawg loj ntawm cov tshuaj organohalogen. Lawv yog cov tsis tu ncua, bioaccumulative thiab ua rau muaj kev phom sij rau tib neeg thiab tsiaj qus. Txawm hais tias qee qhov BFRs raug txwv lossis yeem thim tawm ntawm kev siv los ntawm cov chaw tsim khoom, tshwm sim thiab BFRs uas twb muaj lawm txuas ntxiv mus siv hauv cov tebchaws muaj kev lag luam.
Puas brominated nplaim retardants nyab xeeb?
Qee cov nplaim hluav taws kub hnyiab tau raug txheeb xyuas tas li, bioaccumulative, thiab tshuaj lom rau tib neeg thiab ib puag ncig thiab raug xav tias yuav ua rau muaj kev cuam tshuam txog kev coj tus cwj pwm thiab kev cuam tshuam endocrine.
Puas bromine yog nplaim hluav taws?
Bromine yog nquag siv hauv cov nplaim hluav tawsvim nws cov atomic loj thiab nws cov kev siv dav dav thoob plaws ntau yam kev siv thiab polymers. Muaj ntau tshaj 70 ntau hom ntawm cov nplaim hluav taws kub nyhiab nrog cov khoom sib txawv (reactive, polymeric, halogenated…).
Vim li cas brominated nplaim retardants phem?
Cov nplaim hluav taws tshwm sim nthuav tawm kev hem thawj rau kev noj qab haus huv, thiab tej zaum yuav ua rau muaj kev phom sij ntau dua li qhov hluav taws kub zoo. … Kev kawmpom tias niaj hnub no cov khoom siv dav siv ntau tshaj plaws muaj cov tshuaj lom neeg muaj teeb meem bromine, thiab tias lawv tau nce cov pa roj carbon monoxide thiab hydrogen cyanide tso tawm thaum hluav taws kub.
Pom zoo:
Qhov hluav taws xob puas tuaj yeem ua rau hluav taws kub?
Feem ntau cov hluav taws xob hluav taws xob yog tshwm sim los ntawm faulty electric outlets thiab cov khoom qub, cov khoom siv qub. Lwm qhov hluav taws kub yog pib los ntawm kev ua txhaum ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob thiab cov keyboards.
Puas yog qhov hluav taws kub yog qhov pib ntawm hluav taws?
Txoj cai lij choj hais tias ib tus neeg ua txhaum kev tua hluav taws thaum lawv "nyiam thiab tsis raug cai lossis thaum ua txhaum cai" ua rau khoom puas tsuaj los ntawm hluav taws lossis tawg. … Tab sis yog tias koj yuam kev pib hluav taws uas ua rau cov khoom puas tsuaj thiab koj tsis tau ua txhaum lwm txoj kev txhaum, qhov no tsis suav tias yog hluav taws kub.
Puas hluav taws xob hluav taws xob puas tsim hluav taws xob?
Coal feem ntau siv roj los tsim hluav taws xobhauv Tebchaws Meskas. Hauv cov chaw tsim hluav taws xob hluav taws xob hluav taws xob, cov hluav taws xob bituminous, subbituminous thee, lossis lignite raug hlawv. Cov cua kub uas tsim los ntawm kev sib xyaw ntawm cov thee yog siv los hloov cov dej mus rau hauv qhov chaw siab zog, uas tsav lub turbine, uas tsim hluav taws xob.
Puas qhov chaw taws teeb hluav taws ua haujlwm nrog ib qho hluav taws kub?
Kuv tuaj yeem siv cov chaw taws teeb ntawm 4k qhov hluav taws kub tshiab los ua haujlwm nrog cov hluav taws uas tsis yog 4k qub. … Qhov tseem ceeb yog…yog tias koj muaj 2 rab phom, xyuas kom tseeb tias tus koj tsis xav siv yog tawm. Tom qab ntawd, nyob rau hauv pem hauv ntej ntawm lub qhov hluav taws kub uas koj xav siv, tuav tus yuam sij hauv tsev rau 10-20 vib nas this kom txog thaum nws pib ntsais.
Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?
Piav seb lub twj hluav taws xob hluav taws xob tsim hluav taws xob hla lub membrane li cas. Los ntawm pum electrons hla lub membrane, sab uas cov electrons raug tshem tawm muaj qhov zoo dua, thaum sab tau txais cov hluav taws xob ntau muaj qhov tsis zoo.
