Cov pa luam yeeb ntawm e-luam yeeb yog ib qho aerosol tsim los ntawm e-luam yeeb kua nyob rau hauv qhov kev txiav txim ntawm lub cua sov. Cov aerosol no suav nrog propylene glycol lossis glycerin ua cov kua hauv paus thiab kuj tseem tuaj yeem suav nrog nicotine thiab ntau yam khoom qab zib. Ntxiv nrog rau cov no, cov pa luam yeeb kuj tseem muaj qee yam tshuaj tsis zoo thiab cov tshuaj lom neeg, xws li formaldehyde, acetaldehyde, volatile organic tebchaw thiab cov lej ntawm cov hlau hnyav.
Cov muaj pes tsawg leeg ntawm cov luam yeeb hluav taws xob
Roj teeb
Lub zog ntawm e-luam yeeb feem ntau yog lub roj teeb, uas feem ntau yog lub roj teeb lithium-ion rechargeable. Lub peev xwm thiab qhov hluav taws xob ntawm lub roj teeb yuav cuam tshuam rau tiam thiab kub ntawm e-luam yeeb. Qee cov qauv e-luam yeeb tso cai rau cov neeg siv los kho qhov voltage thiab wattage los hloov qhov ceev thiab kub ntawm cov pa luam yeeb. Cov roj teeb lithium-ion feem ntau yog muag nrog cov khoom siv, tab sis kuj tseem muaj cov roj teeb muaj cais.
Cua sov ntsiab
Cov khoom cua sov, feem ntau hu ua "atomizer" lossis "heat coil", yog cov khoom tseem ceeb ntawm e-luam yeeb uas tsim cov pa luam yeeb. Thaum cov hluav taws xob tam sim no dhau los ntawm cov cua sov, nws ua kom sov sai, ua kom sov cov e-kua thiab hloov mus rau hauv aerosol uas tuaj yeem nqus tau. Cov txheej txheem no nyob ntawm lub zog hluav taws xob muab los ntawm cov roj teeb. Cov khoom cua kub feem ntau yog ua los ntawm cov khoom sib txawv, xws li stainless hlau, nichrome lossis titanium. Kev tsim thiab cov ntaub ntawv ntawm lub atomizer cuam tshuam qhov tsw thiab kub ntawm cov pa luam yeeb.
Haus luam yeeb kua ntim
Lub thawv e-kua, qee zaum hu ua "cartridge" lossis "e-kua tsev qiv ntawv", yog ib feem siv los khaws cov kua e-luam yeeb. Cov thawv no tuaj yeem muab pov tseg lossis rov ua dua. E-kua feem ntau suav nrog propylene glycol, glycerin, nicotine thiab tsw additives. Cov neeg siv tuaj yeem xaiv qhov sib txawv ntawm cov nicotine thiab ntau yam flavors raws li tus kheej nyiam. Kev tsim thiab cov khoom siv ntawm e-kua ntim kuj tuaj yeem cuam tshuam qhov zoo thiab tsw ntawm cov pa luam yeeb.
Cov khoom xyaw ntawm haus luam yeeb kua
Propylene glycol thiab / lossis glycerin
Propylene glycol thiab glycerin yog cov khoom xyaw uas muaj ntau tshaj plaws hauv e-kua, thiab lawv feem ntau ua cov kuab tshuaj mus nqa lwm cov khoom xyaw xws li nicotine thiab tsw additives. Propylene glycol feem ntau yog lub luag haujlwm rau kev tsim cov "khob caj pas," qhov kev xav hauv caj pas thaum haus luam yeeb, thaum glycerin yog lub luag haujlwm tsim cov pa luam yeeb ntau. Ob qho khoom xyaw feem ntau yog qib zaub mov thiab tseem siv ntau yam ntawm lwm cov khoom siv. Txawm li cas los xij, thaum rhuab mus rau qhov kub siab, propylene glycol thiab glycerin yuav decompose rau hauv cov khoom tsis zoo.
nicotine
Nicotine yog cov khoom muaj teeb meem tshaj plaws hauv e-kua thiab feem ntau yog muab rho tawm los ntawm luam yeeb. Nws yog ib qho muaj zog neuroactive tshuaj nrog ntxiv zog. Nicotine concentrations tuaj yeem sib txawv heev hauv e-kua sib txawv, tso cai rau cov neeg siv xaiv raws li lawv cov kev xav tau thiab nyiam. Lub xub ntiag ntawm nicotine kuj yog ib qho laj thawj tseem ceeb vim li cas e-luam yeeb tau nyiam pej xeem thiab kho mob.
Flavor additives
Flavor additives ntxiv ntau yam flavors rau e-luam yeeb kua, los ntawm luam yeeb thiab menthol rau txiv hmab txiv ntoo thiab khoom qab zib. Cov additives no feem ntau yog hluavtaws los yog ib txwm muab los, tab sis lawv txoj kev nyab xeeb tseem yog qhov kev tshawb fawb, tshwj xeeb tshaj yog thaum cov khoom sib xyaw ua kom sov thiab nqus tau rau hauv lub ntsws. Qee cov tshuaj tsw qab, xws li diethanol, suav tias yog kev nyab xeeb hauv cov zaub mov, tab sis lawv qhov kev nqus nqus mus ntev tsis paub.
Lwm cov khoom xyaw tshuaj
Ntxiv nrog rau cov khoom xyaw tseem ceeb uas tau hais los saum toj no, e-kua kuj tseem muaj lwm cov khoom xyaw xws li cov tshuaj pleev xim, tshuaj tua kab mob, thiab lwm yam kuab tshuaj. Cov khoom xyaw no feem ntau muaj nyob rau hauv qhov qis qis tab sis tuaj yeem ua rau tsis paub txog kev noj qab haus huv thaum cua sov thiab nqus tau pa.
Lub mechanism ntawm kev tsim cov pa luam yeeb
Cov txheej txheem cua sov
Cov txheej txheem cua sov ntawm e-luam yeeb pib nrog lub roj teeb muab lub zog rau lub cua sov (feem ntau yog atomizer lossis cua sov coil). Tom qab hluav taws xob tam sim no dhau los ntawm cov cua sov, lub caij heats sai, feem ntau ncav cuag qhov kub txaus hauv ob peb feeb. Cov txheej txheem no yuav tsum muaj lub zog tas li ntawm lub roj teeb, tshwj xeeb tshaj yog rau cov qauv kev ua haujlwm siab nrog lub zog siab dua. Txawv e-luam yeeb tsim thiab teeb tsa, xws li qhov hluav taws xob thiab wattage, kuj tuaj yeem cuam tshuam qhov kub thiab txias ntawm cov cua sov thiab yuav ua kom sov sai npaum li cas. Tam sim no ntws thiab roj teeb kev ua tau zoo yog qhov tseem ceeb hauv cov txheej txheem no.
Aerosol tiam
Thaum cov cua kub nce mus txog qhov kub thiab txias, nws pib ua kom sov lub e-kua. E-kua feem ntau muaj propylene glycol, glycerin, nicotine thiab tsw additives. Cov khoom xyaw no pib evaporate, tsim cov aerosol uas tuaj yeem nqus tau. Nws yog ib qho tsim nyog sau cia tias qhov sib txawv ntawm cov cua sov thiab cov pa luam yeeb ua kua yuav cuam tshuam rau cov khoom thiab muaj pes tsawg leeg ntawm aerosols. Piv txwv li, qhov kub siab dua tuaj yeem ua rau qee cov khoom xyaw ua kom tawg, ua rau muaj cov tshuaj phem. Lub cim ntawm aerosol yog qhov tseem ceeb tshaj plaws hauv cov txheej txheem ntawm e-luam yeeb tsim.
Chemical Cheebtsam hauv cov pa luam yeeb
Yam Khoom Ua Phem
Txawm hais tias e-luam yeeb feem ntau suav hais tias muaj kev nyab xeeb dua li cov khoom lag luam luam yeeb, cov pa luam yeeb tseem yuav muaj qee yam tsis zoo. Piv txwv li, thaum propylene glycol thiab glycerin decompose ntawm qhov kub thiab txias, lawv tuaj yeem tsim cov khoom tsis zoo xws li formaldehyde thiab acetaldehyde. Cov tshuaj no tuaj yeem ua rau mob carcinogenic thiab lwm yam kev phom sij rau kev noj qab haus huv ntawm qhov muaj siab. Formaldehyde yog ib hom kab mob carcinogen, thaum acetaldehyde tuaj yeem ua rau muaj teeb meem ua pa.
volatile organic tebchaw
Ntxiv nrog rau cov teeb meem saum toj no, e-luam yeeb kuj tseem muaj ntau hom volatile organic compounds (VOCs). Cov tebchaw no feem ntau muab tau los ntawm cov tshuaj tsw qab thiab lwm cov khoom xyaw hauv e-kua. Cov organic tebchaw tsis zoo yog muaj nyob rau hauv ib puag ncig ntuj thiab kev siv hauv kev lag luam, tab sis thaum lawv ua kom sov thiab nqus tau rau hauv lub ntsws, lawv tuaj yeem muaj qhov tsis zoo rau kev noj qab haus huv. Piv txwv li, acrolein yog ib hom VOC uas xav tias yuav ua rau muaj kev pheej hmoo ntawm cov kab mob plawv.
hlau hnyav
Cov pa luam yeeb e-luam yeeb kuj tseem muaj cov hlau hnyav, uas feem ntau yog los ntawm cov cua sov los yog roj teeb ntawm e-luam yeeb. Piv txwv li, npib tsib xee thiab chromium tuaj yeem tawm los ntawm cov hlau tsis muaj cua sov, thaum txhuas thiab cadmium tuaj yeem los ntawm cov roj teeb lossis lwm yam khoom siv hluav taws xob. Cov hlau hnyav no tuaj yeem ua rau muaj kev puas tsuaj rau lub paj hlwb, ob lub raum thiab lwm yam hauv nruab nrog cev nyob rau hauv lub sij hawm ntev thiab nyob rau hauv high concentrations.
teebmeem kev noj qab haus huv
ua pa system
Ntau yam tshuaj lom neeg hauv e-luam yeeb, suav nrog cov tshuaj tsis haum cov organic thiab cov khoom tsis zoo xws li formaldehyde, tuaj yeem ua rau muaj kev cuam tshuam tsis zoo rau kev ua pa. Kev nqus cov tshuaj no tuaj yeem ua rau muaj teeb meem xws li ua pa ua pa, ua pa nyuaj thiab mob ntsws ntsws ntev (COPD). Txawm hais tias cov teebmeem no yuav tsis raug tshaj tawm raws li cov khoom lag luam luam yeeb, kev siv e-luam yeeb ntev kuj tseem yuav ua rau muaj teeb meem ua pa. COPD thiab nws lub koom haum nrog e-luam yeeb tseem yog lub ntsiab lus kub ntawm kev tshawb fawb.
Cardiovascular System
Nicotine yog cov khoom tseem ceeb hauv e-luam yeeb ua kua thiab muaj qhov cuam tshuam tseem ceeb ntawm cov hlab plawv. Nws ua kom lub plawv dhia ceev, nce ntshav siab thiab tuaj yeem ua rau cov hlab ntsha tawv. Tsis tas li ntawd, qee qhov kev tshawb fawb kuj tau pom tias cov organic tebchaw tsis hloov pauv thiab cov hlau hnyav hauv e-luam yeeb kuj tuaj yeem cuam tshuam rau cov hlab plawv. Cov khoom xyaw no tuaj yeem ua rau mob o thiab oxidative kev nyuaj siab, ua rau muaj kev pheej hmoo ntawm cov kab mob plawv.
Kab mob plawv - Wikipedia: Nplooj ntawv no qhia txog hom, ua rau, thiab kev kho mob ntawm cov kab mob plawv thiab kuj tseem tuaj yeem hais txog cov kev pheej hmoo cuam tshuam nrog vaping.
Kev cuam tshuam ntev thiab tsis paub tseeb
E-luam yeeb yog qhov tshiab, yog li kev tshawb fawb txog lawv cov txiaj ntsig kev noj qab haus huv mus ntev yog txwv. Txawm hais tias qee qhov kev tshawb fawb luv luv qhia tias e-luam yeeb yuav muaj kev nyab xeeb dua li cov khoom lag luam luam yeeb, qhov cuam tshuam mus sij hawm ntev tseem tsis paub meej. Tshwj xeeb, qhov cuam tshuam ntawm e-luam yeeb ntawm cov tub ntxhais hluas lub hlwb kev loj hlob thiab kev sib raug zoo ntawm e-luam yeeb thiab mob ntsws cancer thiab lwm yam teeb meem kev noj qab haus huv mus ntev yog qhov tseem ceeb ntawm kev tshawb fawb tam sim no. Kev cuam tshuam ntev thiab tsis paub meej yog qhov tseem ceeb tsis paub txog hauv e-luam yeeb kev ntsuas kev noj qab haus huv, thiab xav tau kev tshawb fawb ntau ntxiv los teb lawv.