Cov ntawv thermal txawv ntawm cov ntawv tsis tu ncua nyob rau hauv uas nws yog coated nrog ib tug sib tov ntawm dye thiab tshuaj. Thaum rhuab saum lub melting point, cov dye reacts rau cov tshuaj ua rau ib tug hloov mus rau ib tug xim daim ntawv (feem ntau yog dub tab sis qee zaus xiav los yog liab).
1. Luam tawm cov txiaj ntsig sib txawv
Cov ntawv nplaum thermal muaj cov txheej tshwj xeeb rau ntawm qhov chaw, uas yuav dhau los ua xim dub thaum nws ntsib cua sov, thiab cov ntsiab lus luam tawm ntawm nws yuav ploj sai sai yog tias nws siv los ua ntawv luam ntawv; Cov ntawv nplaum zoo tib yam yuav tsis ploj yog tias nws siv los ua cov ntawv luam ntawv, thiab yuav khaws cia rau lub sijhawm ntev.
2.Txoj kev sib txawv ntawm kev luam ntawv
Ib qho yog thermal luam ntawv, ib qho yog thermal hloov luam ntawv.
3.Qhov zoo sib txawv
Cov ntawv thermal luam ntawv siv hauv cov ntawv sau nyiaj ntsuab feem ntau muab faib ua peb txheej, txheej hauv qab yog cov ntawv hauv paus, txheej thib ob yog txheej txheej thermal, txheej thib peb yog txheej tiv thaiv, qhov tseem ceeb ntawm nws qhov zoo yog cov txheej thermal lossis txheej tiv thaiv, thaum ntawv zoo tib yam yuav tsis.
Post lub sij hawm: Nov-04-2022
