Yog lawm, e-luam yeeb yeej muaj tshuaj lom tsawg dua li luam yeeb. Peb feem ntau muaj qee qhov tsis to taub txog luam yeeb. Peb xav tias nicotine ua rau peb noj qab haus huv. Qhov tseeb, nws tsis yog. Nws yog ib co carcinogenic tshuaj xws li tar thiab formaldehyde ua los ntawm cov luam yeeb. Cov tshuaj carcinogenic muaj nyob hauv cov luam yeeb hluav taws xob tsawg dua li cov luam yeeb. tar yog dab tsi? Feem ntau ntawm cov tar yog tsim los ntawm kev haus luam yeeb, thiab nws cov tiam, kev ua kom muaj txiaj ntsig, thiab muaj txiaj ntsig ntxiv muaj feem cuam tshuam nrog qhov kub thiab txias ntawm cov luam yeeb. Thaum haus luam yeeb, qhov kub ntawm qhov kub ntawm cov luam yeeb tuaj yeem ncav cuag 600-900 ° C. ,
Qhov kub ntawm qhov liab tuaj yeem ncav cuag 980-1050 ℃, thiab nyob rau lub caij nyoog ntawm ob qhov kev haus luam yeeb, qhov kub thiab txias poob li ntawm 100-150 ℃. Thaum lub sijhawm kev haus luam yeeb, tshwj tsis yog rau sab nrauv ntawm cov luam yeeb, nws yog qhov pib kub hnyiab hauv qhov xwm txheej ntawm cov pa oxygen tsis txaus, uas tsis yog tsuas yog tsim cov pa roj carbon monoxide ntau, tab sis kuj tsim ntau hom polycyclic aromatic hydrocarbons, xws li benzene. , raws li qhov kub ntawm coking nce. Carcinogens xws li fenugreek, tshuaj yej, pyrene, thiab phenol feem ntau yog tsim los ntawm 700-900 ° C, thaum carcinogens xws li phenols thiab fumaric acid yog tsim los ntawm qhov kub ntawm 500-700 ° C. Cov cim dub ntawm cov ntiv tes ntawm cov neeg haus luam yeeb thiab cov cim dub ntawm cov hniav yog cov tar sab laug los ntawm kev haus luam yeeb ntev. Leej txiv niaj hnub ntawm kev haus luam yeeb, tus kws kho mob hlwb Askiv Michael Russelljiu tau hais tias: Cov neeg haus luam yeeb rau nicotine, tab sis lawv tuag ntawm tar.
Post lub sij hawm: Sep-09-2022