Vim li cas cov av nplaum siv?

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Vim li cas cov av nplaum siv?
Vim li cas cov av nplaum siv?

Video: Vim li cas cov av nplaum siv?

Video: Vim li cas cov av nplaum siv?
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Earthenware tseem siv dav hauv lub xyoo pua 21st, feem ntau ntawm cov khoom lag luam tsim tawm yog heatproof thiab coldproofthiab yog li siv tau rau kev ua noj thiab khov thiab ua haujlwm. Earthenware yog thawj hom tais diav ua, yos rov qab txog 9,000 xyoo.

Dab tsi ua rau av nplaum tshwj xeeb?

Qhov ntxeem tau ntawm earthenware ua cov khoom zoo li tawg tau yooj yim, kev lag luam tawm yog cov pob zeb zoo nkauj uas koj pom hauv cov khoom siv hauv av-xav paj lauj kaub lossis lub lauj kaub tais diav Roman thaum ub. Kuv nyiam earthenware- nws muaj keeb kwm thiab tus kheej ntau heev.

Thaum twg koj yuav siv pob zeb los yog earthenware?

Earthenware yog muab los ntawm av nplaum thiab nta qhov ntxeem tau ntau dua dua stoneware. Tsis tas li ntawd, nws raug rho tawm haujlwm ntawm qhov kub thiab txias thiab yuav tsum tau glazed lossis pleev xim ua ntej siv. Earthenware feem ntau yog qhov kev xaiv pheej yig dua ntawm cov khoom noj hmo, tab sis nws nyiam nti thiab tawg yooj yim dua li stoneware.

earthenware yog dab tsi?

Earthenware yog av nplaum raug rho tawm ntawm qhov kub qis ntawm 1,000 txog 1, 150 degrees. Qhov no ua rau cov khoom tawv tawv tab sis nkig me ntsis uas yog qhov ntxeem tau me ntsis (qhov me me los ntawm cov kua lossis cua tuaj yeem dhau mus), yog li tsis tuaj yeem siv los ntim dej.

Yuav khoom av puas tuaj yeem tiv taus dej?

Raws li cov khoom siv raw, thiab raws li av nplaum hluav taws kub, earthenware is not waterproof. … Los ntawm cov yam ntxwv, cov khoom siv hauv av yog cov av nplaum thiab yas. Hauv kev tua, nws cov plasticity ploj, tab sis tsis yog qhov porosity.

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