Kho kom zoo nkauj vases, daim phiaj, tais thiab lwm yam khoom dai uas ua los ntawm iav tuaj yeem muab chav tshwj xeeb ntxim nyiam. Koj tuaj yeem ua rau lawv tus kheej los ntawm melting cia cov iav ntim ntim thiab lub raj mis. Xav txog yuav ua li cas yaj iav hauv tsev?
khoom npaj
Ua ntej melting iav hauv tsev, koj yuav tsum npaj rau txheej txheem. Sau cov kaus poom qub thiab lub raj mis uas tsis xav tau. Ua ntej melting, cov thawv no yuav tsum tau ntxuav thiab qhuav. Tshem cov ntawv lo ntawm lub raj mis.
Cov ntawv tawv tawv tuaj yeem raug tshem tawm los ntawm kev ntub cov khoom hauv dej sov soapy. So hauv dej li 3 mus rau 4 teev, lossis tso rau hauv dej soapy ib hmos, tom qab ntawd koj tuaj yeem tshem cov ntawv tau yooj yim.
Koj yuav tsum tshem cov kua nplaum uas tseem nyob ntawm lub khob. Tom qab soaking lub fwj, koj tuaj yeem yooj yim khawb tawm cov nplaum ntxiv. Siv lub spatula me me, daim npav yas uas tsis siv, lossis daim ntawv nplaum rau lub hom phiaj no.
Yog cov ntawv sau tau pleev xim ncaj qha rau ntawmiav, koj tuaj yeem tso nws. Tab sis nws yuav tsum tau coj mus rau hauv tus account tias tom qab xws li melting, cov xim yuav nyob twj ywm rau ntawm iav nyob rau hauv ib tug me me npaum li cas.
iav melting
Nws yooj yim heev rau yaj cov khoom hauv tsev. Koj tsuas yog yuav tsum tau yuav qhov cub tshwj xeeb, uas yuav raug nqi txog 7 txhiab rubles. Txawm li cas los xij, cov nqi yuav them sai sai rau lawv tus kheej, vim tias koj yuav tsis muaj kev sib tw.
Lub qhov cub tuaj yeem ua haujlwm nrog yuav luag txhua lub qhov cub microwave. Ua ntej koj yuav tsum tau muab lub phaj tshwj xeeb rau cua sov los ntawm qhov ntawd thiab ua kom sov lub qhov cub.
Siv lub khob txiav los txiav cov iav ua tej daim. Los ntawm cov ntawv theem, txiav ib daim me me loj dua li cov khoom tiav lawm. Peb nteg tawm cov qauv uas xav tau ntawm daim ntawv thiab muab tso rau hauv qab ntawm qhov cub. Kaw lub hau thiab tig lub microwave ntawm lub zog siab tshaj plaws rau 2 feeb.
Thaum koj pom cov txiv kab ntxwv ci hauv qhov cub, txhais tau hais tias lub khob pib yaj. Tam sim no muab cov hnab looj tes thiab ua tib zoo xyuas qhov xwm txheej ntawm cov khoom los ntawm me ntsis qhib lub qhov cub. Yog tias tseem tsis tau ua tiav, txuas ntxiv ci, tab sis tsis pub dhau 5 feeb vim qhov no yuav ua rau lub qhov cub puas.
Thaum ua tiav ci, tshem lub qhov cub, tsis txhob qhib kom txog thaum nws tau txias tag los tiv thaiv cov khoom puas.
Tom qab txias, cov khoom yuav zoo ib yam li ua ntej melting.
melting point
Dab tsi yog qhov melting ntawm iav hauv degrees? Nws pib ntawm 750 ° C thiab xaus ntawm 2500 ° C. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias cov khoom notej zaum yuav muaj ntau yam sib txawv thiab cov yam ntxwv, uas ua rau nws nyuaj rau kev txiav txim siab tus nqi.
