Cov dej khov qhuav yog cov pa roj carbon dioxide khov. Cov pa peb nqus pa thaum peb ua pa. Nws tau hu ua dej khov qhuav vim nws hloov pauv los ntawm cov khoom mus rau roj, lossis cov sublimates, yam tsis hloov mus ua kua. Yog tias koj tab tom tsim txoj haujlwm tshawb fawb lossis yooj yim tsim cov pa luam yeeb, ua raws cov kauj ruam muaj kev nyab xeeb no los daws cov dej khov qhuav.
Kauj ruam
Txoj Kev 1 ntawm 3: Yuav thiab Nqa Cov Dej Qhuav
Kauj Ruam 1. Koj tuaj yeem yuav cov dej khov qhuav ntawm lub khw muag khoom
- Sim yuav nws ze rau lub sijhawm cov dej khov qhuav yuav siv. Txij li cov dej khov qhuav hloov pauv los ntawm cov khoom mus rau roj, nws lub neej luv yog luv. Txhua 24 teev, 2.2 - 4.5 kg ntawm cov dej khov qhuav yuav sublimate rau roj.
- Txawm hais tias ntau lub khw tso cai rau tib neeg mus yuav cov dej khov qhuav, qee qhov muaj hnub nyoog tsawg kawg ntawm 18 xyoo.
Kauj Ruam 2. Yuav cov khov nab kuab qhuav
Kev sim tshawb fawb tom tsev kawm ntawv lossis los tsim cov pa luam yeeb xav tau cov dej khov qhuav tseem nyob hauv daim ntawv.
- Kuj tseem muaj cov dej khov qhuav hauv daim ntawv me me, tab sis feem ntau yog siv los tu lossis kho mob xav tau kev thauj mus los.
- Tus nqi ntawm cov dej khov qhuav sib txawv, xws li Rp. 10,000 - Rp. 35,000 toj ib kg. Txawm hais tias qhov no feem ntau nyob ntawm qhov muag cov dej khov qhuav. Muaj thaj chaw uas muag cov dej khov qhuav ntawm tus nqi qis.
Kauj Ruam 3. Muab cov dej khov qhuav tso rau hauv lub thawv tshwj xeeb xws li lub thawv dej khov/ txias ua los ntawm yas
Txij li cov dej khov qhuav txias ntau dua li cov dej khov ntim (-109.3 txog -78.5 degrees Celsius), nws yuav tsis kav ntev yog tias khaws cia hauv lub tub yees lossis lub tub yees txias.
- Lub thawv dej khov tuab, ntev dua cov dej khov qhuav yuav sublimate.
- Sim tsis txhob qhib thiab ntim cov dej khov feem ntau ua rau qeeb cov txheej txheem. Koj tseem tuaj yeem sau qhov khoob khoob hauv lub thawv nrog ntawv lossis daim ntaub mos muag kom cov dej khov tsis qhuav sai.
- Khaws cov dej khov qhuav hauv lub tub yees tuaj yeem tua lub ntsuas sov. Cov dej khov qhuav txias heev, lub tub yees yuav kaw nws tus kheej kom tiv thaiv cov zaub mov kom khov dhau. Yog tias koj lub freezer puas, tab sis koj tseem xav tau nws los khaws zaub mov, tso dej khov qhuav rau hauv. Nws yuav ua haujlwm hloov lub tub yees.
Kauj Ruam 4. Muab lub txias tso rau hauv lub tsheb nrog lub qhov rais qhib
Nco ntsoov, dej khov qhuav yog cov pa roj carbon dioxide uas tuaj yeem ua rau muaj kev phom sij loj.
Cov cua huv yog qhov tseem ceeb tshwj xeeb yog tias nws siv sijhawm koj ntau dua 15 feeb los nqa cov dej khov qhuav. Nyob hauv ib cheeb tsam uas muaj dej khov qhuav tuaj yeem ua teeb meem ua pa thiab mob taub hau. Yuav ua teeb meem yog nqus tau ntev
Txoj Kev 2 ntawm 3: Tuav Dej khov qhuav
Kauj Ruam 1. Hnav cov hnab looj tes thiab lub tes tsho ntev thaum qhib lub ntim lossis tso dej khov qhuav
Txawm hais tias kev sib cuag nrog cov dej khov qhuav yog qhov ua tau zoo, yog tias lub sijhawm ntev tawv nqaij yuav hlawv zoo li hluav taws.
- Hnab looj tes los yog phuam da dej tuaj yeem siv tau, tab sis lawv tsis tiv thaiv zoo li hnab looj tes. Kho cov dej khov qhuav zoo li lub lauj kaub kub. Khaws nws tawm ntawm daim tawv nqaij kom ntau li ntau tau.
- Kho qhov kub hnyiab los ntawm cov dej khov qhuav zoo li ib txwm kub hnyiab. Yog tias koj cov tawv nqaij tsuas yog liab, nws yuav kho nws tus kheej. Tab sis yog tias nws blisters, kho lub qhov txhab nrog tshuaj tua kab mob thiab npog nws nrog ntaub qhwv. Tham nrog kws kho mob yog tias lub qhov txhab mob hnyav.
Kauj Ruam 2. Khaws cov dej khov qhuav uas tsis tau siv rau hauv lub thawv uas muaj cua txaus
Khaws cov dej khov qhuav loj rau hauv cov thawv ntim tau tuaj yeem tsim cov pa oxygen.
- Lub thauv ntim rau hauv lub tiaj nraum qaum tsev nrog lub qhov tso pa kom txaus yuav tsis ua mob rau tib neeg lossis tsiaj nyob ib puag ncig. Yog tias koj muaj teeb meem nrhiav chaw khaws khoom, nug koj tus kws qhia tshuaj txog tshuaj ntim khoom ntim hauv chav kuaj.
- Xyuas kom qhov chaw khov khov qhuav nyob deb ntawm cov menyuam yaus thiab tsiaj me.
Kauj Ruam 3. Qhib qhov rooj thiab qhov rai yog tias cov dej khov qhuav tau nchuav
Cov dej khov qhuav yuav sublimate, tab sis yuav tsum tau hloov kho rau huab cua ib puag ncig.
Cov dej khov qhuav hnyav dua li cov pa thiab yuav ua rau thaj chaw qis ze rau qhov chaw nchuav. Khaws koj lub ntsej muag kom deb ntawm qhov chaw, txiav txim siab tias thaj chaw ntawd yuav muaj cov pa roj carbon dioxide puv nkaus
Kauj Ruam 4. Muab cov dej khov qhuav tso rau qhov chaw muaj cua nkag thiab cua sov
Yog tias koj muaj dej khov qhuav ntxiv, tsuas yog cia nws sublimate ntawm nws tus kheej.
- Lub tiaj nraum qaum tsev yog qhov chaw zoo rau tso dej khov qhuav. Xyuas kom thaj chaw nyob deb ntawm tib neeg cov dej num yam tsawg 24 teev.
- Koj kuj tseem tuaj yeem siv cov ntim tshwj xeeb uas siv los khaws cov tshuaj lom neeg. Lub tsev kawm ntawv lab yuav tsum muaj ib qho, nug tus kws qhia ntawv yog tias koj tuaj yeem thov tau.
Txoj Kev 3 ntawm 3: Yam Yuav Tsum Ua
Kauj Ruam 1. Tsis txhob khaws cov dej khov qhuav rau hauv lub thawv ntim cua
Cov txheej txheem ntawm sublimation ntawm cov dej khov qhuav rau hauv cov pa roj carbon dioxide tuaj yeem tshuab ntim khoom.
- Cov dej khov qhuav tuaj yeem ua rau tawg yog khaws cia hauv lub thawv kaw kaw. Coob leej neeg tau raug foob ua txhaum cai tsim "foob pob dej khov".
- Tsis txhob khaws cov dej khov qhuav rau hauv iav lossis ntim cov hlau, zoo li thaum muaj qhov tawg, qhov ntse ntawm lub ntim tuaj yeem ua rau raug mob hnyav.
Kauj Ruam 2. Tsis txhob khaws cov dej khov qhuav hauv qab daus, tsheb, lossis thaj chaw uas tsis muaj cua nkag
Cov pa roj carbon dioxide yuav maj mam hloov cov pa hauv chav kom nws tuaj yeem ua teeb meem ua pa vim tsis muaj oxygen.
Tos ob peb pliag kom huab cua nkag mus rau thaj chaw khov khov qhuav ua ntej nkag mus hauv chav
Kauj Ruam 3. Tsis txhob tso dej khov qhuav kom tsis muaj neeg saib
Txawm hais tias tsis muaj ib tus neeg nyob ib puag ncig, kev nchuav lossis lwm yam xwm txheej tuaj yeem tshwm sim yog tias tsis saib xyuas zoo.
Tsis txhob tso dej khov qhuav rau hauv av lossis cov tawv tawv vim qhov txias txias heev tuaj yeem ua rau tawg
Kauj Ruam 4. Tsis txhob muab cov dej khov qhuav tso rau hauv cov dej, cov dab dej, cov chaw tso quav, lossis cov thoob thoob thoob
Koj yuav ua rau cov kav dej khov thiab txhaws nws.
Qhov me me ntawm cov yeeb nkab tseem tuaj yeem ua kom cov dej khov qhuav nthuav dav sai dua, ua rau muaj kev tawg
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