dej khov qhuav yog qhov tsim nyog thiab tsis tuaj yeem hloov pauv. Nws tuaj yeem siv los tswj qhov kub thiab txias tsis tu ncua, txias txhua yam khoom hauv tsev nyob rau hauv cov xwm txheej ntawm qhov kub thiab txias. Nws yog dav siv nyob rau hauv kev lag luam, raws li ib tug txias rau tso tsheb hlau luam thiab tub yees, nyob rau hauv ua noj ua haus thaum tsim ua noj masterpieces. Tab sis nws tsis yog ib txwm ua tau kom tau dej khov qhuav thaum koj xav tau.
Muaj ntau txoj kev xaiv yuav ua li cas kom tau lossis ua dej khov qhuav nrog koj tus kheej tes hauv chav ua noj zoo tib yam.
dej khov qhuav yog dab tsi
Qhov tseeb, cov tshuaj no tsis muaj dab tsi cuam tshuam nrog cov dej khov, uas yog, nrog cov dej khov zoo tib yam, tsuas yog muaj peev xwm tswj tau qhov kub thiab txias los yog ib yam dab tsi txias. Cov mis ntawm cov dej khov qhuav yog tib yam li cov pa roj carbon dioxide - CO2. Qhov tseeb, qhov no yog cov roj uas tau raug xa mus rau lub xeev ntawm kev sib sau ua ke, hla cov theem ua kua.
Nrog cov tshuaj nopeb ntsib txhua hnub. Nws muaj nyob rau hauv exhaled cua. Thaum koj yuav dej qab zib lossis haus dej hauv khw, koj tau pom ntau zaus cov pa roj carbon dioxide npuas sai sai thaum koj qhib lub raj mis.
Ib qho loj ntawm nws tawm nrog lub tsheb tso pa roj thiab muaj nyob rau hauv huab cua ambient. Vim nws muaj peev xwm inhibit combustion txheej txheem, nws yog siv nyob rau hauv lub tsim ntawm hluav taws extinguishers rau domestic thiab industrial lub hom phiaj. Cov pa roj carbon dioxide yog siv los ntawm cov nroj tsuag rau cov txheej txheem ntawm photosynthesis. Tab sis kev cais tawm ntawm ib puag ncig yog ib txoj haujlwm nyuaj heev thiab raug nqi.
Tau dej khov qhuav
As absurd as it sound, dry ice is a gas. Ntawm qhov ntsuas kev lag luam, nws tau txais los ntawm cua txias carbon dioxide ntawm kev kub siab. Hauv tsev, cov txheej txheem no tsis tuaj yeem ua tiav, vim. xav tau cov cuab yeej tshwj xeeb thiab tsim cov kev mob tshwj xeeb. Txawm li cas los xij, tseem muaj qee qhov kev xaiv los ua dej khov qhuav nrog koj tus kheej tes.
dej khov qhuav los ntawm lub tshuab tua hluav taws
Thawj pib, kom tau cov dej khov qhuav, koj yuav tsum tau siv tshuaj tua hluav taws, ib lub hnab ntaub hnyav, thiab xaim lossis daim kab xev.
Muab lub hnab uas twb muaj lawm rau hauv lub hauv paus ntawm lub qhov hluav taws kub tua hluav taws kom tsis txhob muaj qhov seem. Kom paub meej, nws yog qhov zoo dua los muab nws nrog daim kab xev los yog insulating daim kab xev. Tightness plays lub luag haujlwm tseem ceeb ntawm no. Tom ntej no, ua tib zoo tshem lub fuse ntawm tus kov.tua hluav taws thiab tso ob peb lub dav hlau ntawm carbon dioxide los ntawm nias lub pob valve. Yog li, cov pa roj carbon dioxide nyob rau hauv lub hwj chim tua hluav taws tsis muaj sij hawm kom txias thiab accumulates nyob rau hauv lub hnab nyob rau hauv daim ntawv ntawm hmoov los yog crystals. Txhawm rau kom nws tsis txhob evaporate, nws yuav tsum muab tso rau hauv lub thawv airtight lossis lub hnab thiab kaw kom nruj.
Ib yam li ntawd, koj tuaj yeem tau cov dej khov qhuav nrog koj txhais tes los ntawm lub tog raj kheej carbon dioxide, uas yog siv rau vuam. Lub tog raj kheej valve yuav tsum tau qhib maj mam, vim tias lub siab ntawm cov roj hauv nws yog siab heev. Koj yuav tsum ceev faj heev kom tsis txhob cia cov pa roj carbon dioxide nkag rau ntawm daim tawv nqaij ntawm tes thiab lub ntsej muag, vim qhov no tuaj yeem ua rau frostbite.
Cov txheej txheem hauv qab no tuaj yeem ua tau yooj yim yog tias koj nkag mus rau cov khoom siv hauv chav sim yooj yim tshaj plaws. Yog tias qhov no ua tsis tau, ces tom tsev nws tuaj yeem siv yam tsis muaj teeb meem. Ua li no, koj yuav xav tau lub tshuab tua hluav taws, tsom iav, baking soda, vinegar, thiab ib lub hnab yas uas muaj zog.
Ua-nws-koj tus kheej cov dej khov qhuav tuaj yeem tau txais me me nrog ob peb qhov kev sim yooj yim.
Ua li no, koj yuav tsum tau txais cov pa roj carbon dioxide los ntawm kev sib tov dej qab zib, uas muaj nyob rau hauv txhua chav ua noj, thiab lub rooj vinegar. Cov qauv thiab cov qauv ntawm cov dej khov qhuav txiav txim siab nws lub xeev gaseous. Txhawm rau kom yooj yim ntawm kev sau cov pa roj carbon dioxide, qhov kev sim no yuav tsum tau nqa tawm hauv lub khob ntsuas raj nrog lub raj xa hluav taws xob. Qhov kawg ntawm lub raj yuav tsum muab tso rau hauv dej. Cov npuas ntawm cov pa roj carbon dioxide nce ntxiv yuav ua rau lwm lub raj, tshem dej tawm. Yuav kom tau txais cov pa roj carbon dioxide ntau, lawv yuav tsum tau ntim cov hnab yas uas twb muaj lawm.
Yuav kom tau cov dej khov qhuav, qhov kub ntawm qhov qis heev, koj xav tau cov pa roj carbon dioxide thiab tsim qee yam mob. Qhov no tsis tuaj yeem ua tau hauv chav sim yooj yim lossis hauv tsev. Cov pa roj los ntawm lub hnab tuaj yeem siv los ua lub hauv paus lossis substrate kom nce cov dej khov qhuav. Tab sis nws yuav tsum tau txias. Txhawm rau ua qhov no, lub hnab ntim roj yuav tsum tau kho ntawm tib qhov chaw ntawm cov dej khov qhuav, lub tshuab tua hluav taws lossis lub tog raj kheej, thiab ntau lub dav hlau yuav tsum tau tso rau hauv lub hnab. Yog li, cov dej khov qhuav yuav txias cov pa roj carbon dioxide los ntawm lub hnab, uas yuav ua rau nws cov nag lossis daus nyob rau theem khoom.
Siv dej khov qhuav
Cov dej khov qhuav yog txias txaus los ua cov dej khov hauv tsev lossis lwm yam khoom qab zib uas yuav tsum tau ua kom txias lossis khov sai. Nws kuj tseem tuaj yeem siv los ua kom txias zaub mov thiab dej haus ntawm kev noj mov sab nraum zoov, tab sis kev sib cuag nrog dej yuav tsum zam.
Cov dej khov qhuav hauv dej pib tig mus rau hauv lub xeev gaseous, uas yog nrog los ntawm cov pa tawm ntawm cov pa taws hnyav hnyav.
Kev nyab xeeb
Ua ntej koj siv cov tshuaj tua hluav taws rau koj qhov kev sim, koj yuav tsum xyuas kom meej tias nws yog carbon dioxide. Yuav tsum muaj cov ntaub ntawv tshwj xeeb kos rau ntawm nws lub cev. Kev siv lwm yam kev tua hluav taws tsis yogyuav tsim qhov tshwm sim thiab tuaj yeem ua rau muaj kev phom sij.
Tsis txhob sim kom cov dej khov qhuav los ntawm cov pa roj lossis lub raj mis cua. Qhib cov khoom no yog qhov txaus ntshai heev thiab tuaj yeem ua rau muaj qhov tshwm sim tsis tau. Cov looj tsom iav dub thiab hnab looj tes yuav tsum hnav thaum ua haujlwm nrog lub tshuab tua hluav taws kom tsis txhob tau txais cov pa roj carbon dioxide txias ntawm cov mucous membranes.
Cov tshuaj tua hluav taws carbon dioxide yog qhov zoo tshaj plaws yuav ntawm lub khw tsim nyog. Tom qab ntawd koj tuaj yeem paub tseeb tias nws ua haujlwm tau zoo. Cov dej khov qhuav tuaj yeem tau los ntawm nws ib ntus, piv txwv li, hauv qhov chaw tua hluav taws.
