Cov Thib Sab Nrab Uas Siv Tawm Thiab Lawv Cov Kev Cog Lus

Feem ntau siv cov thermometers yog Mercury cov thermometer , cov thermometer digital thiab kua ntsuas kub ua kua.

1. Mercury tus pas ntsuas kub yog ib qho siv thaij tawm tho tshuaj. Qhov chaw pub dawb ntawm mercury yog -39 C, qhov taw tes kub yog 356.7 C, thiab qhov ntsuas kub ntau yog -39 C-357 C. Nws tsuas yog siv los ua ntsuas twj ywm rau hauv tsev kawm ntawv. Siv nws los ntsuas qhov ntsuas kub tsis yog yooj yim thiab intuitive, tab sis kuj yuav zam tau qhov yuam kev ntawm sab nraud teletransmission tus pas ntsuas kub.

2. Tus pas ntsuas kub muaj zog yog ib hom kev ntsuas tus pas ntsuas kub. Raws li cov khoom siv sib txawv thiab ntau qhov kev ntsuas ntawm qhov kub thiab txias, muaj cov ntsuas kub ntawm lub ntsuas sov, cawv thermometer, mercury, thermometer thermometer, thermometer thermometer, thermocouple thermometer, thermometer thermometer thiab photothermometer, bimetallic thermometer, etc.

Cov pas ntsuas kub muaj peev xwm txiav txim siab thiab ntsuas qhov ntsuas kub, thiab tso nws digitally tsis yog pointers lossis mercury. Yog li nws yog hu ua tus pas ntsuas kub lossis tus pas ntsuas kub digital.

3. Tus pas ntsuas kub ua kua ua kua yog ib hom ntsuas tus pas ntsuas kub. Nws cov ntaub ntawv tseem ceeb yog kua siv lead ua thiab iav. Cov theem hloov qhov kub ntawm cov kua kua nyeem tau npaj nrog txawv formulations sib txawv. Thaum cov theem hloov tshwm sim, cov khoom siv kho qhov muag ntawm cov kua nplaum yuav tau hloov, ua cov kua pleev nplaim zoo nkauj heev. Yog tias cov kua nplaum uas muaj cov theem sib txawv ntawm qhov hloov txheej txheem ntawm cov nplooj ntawv, qhov ntsuas kub yuav txiav txim siab los ntawm kev hloov cov kua siv lead ua kua. Tus pas ntsuas kub muaj qhov zoo ntawm txoj kev nyeem yooj yim, tab sis qhov tsis zoo yog qhov tsis muaj tseeb. Nws yog siv hauv cov thoob dej tsaws ntxhee los qhia txog dej kub.

Cov ncauj lus qhia ntxiv:

Tus pas ntsuas kub ntxov tau tsim los ntawm Italian tus kws tshawb fawb Galileo (1564-1642) hauv 1593.

Nws tus pas ntsuas kub thawj zaug yog ib qho qhib raj raj ntawm ib qho kawg thiab ib qho npuas tsom iav ntawm lwm yam. Thaum siv, cov iav npuas daig yog rhuab thiab tom qab ntawd ces cov iav yog ntxig rau hauv dej. Nrog rau qhov hloov ntawm qhov kub thiab txias, dej ntws hauv lub iav raj yuav txav mus qis. Raws li qhov nyiaj ntawm lub zog, qhov hloov ntawm qhov kub thiab qhov kub ntawm qhov kub thiab txias yuav txiav txim siab.

Tus pas ntsuas kub muaj cov hauj lwm ntawm thermal expansion thiab contraction, yog li no tus pas ntsuas kub tau zoo heev los ntawm tej yam huab cua xws li sab nraud atmospheric siab, yog li ntsuas qhov ntsuas loj heev.

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