Yog li cas kom paub thiab kho cov teeb meem uas muaj ntau dua ntawm cov khoom siv rau kev pab los ntawm lub cev nqes?
Siv lub viscometer uas siv lub cawv ntawm qhov ntim rau qhov ntim ntawm daim duab yuav tsis muaj kev tswj hwm zoo heev yog tias kev siv tsis raug. Thaum kawg, saib cov lus qhia uas muaj rau hauv koj lub viscometer, piv txwv li cov ZONWONs. Koob tshuab txog kev siv lub tshuab no yog qhov tseem ceeb. Tom qab ntawd, ua koj cov tshuab nrog kev coj siab. Daim duab uas koj xav ua kev tshawb pom yuav tsum muaj qhov ceeb ntawm qhov ceeb. Yog tias nws tso ceeb lossis nws yuav tso ceeb, nws yuav cuam tshuam rau qhov ntim ntawm daim duab, thiab tom qab ntawd, koj cov kev tshawb pom yuav tsis raug. Tom qab ntawd, yog tias koj muaj thermometer, kuaj qhov ceeb ntawm koj cov tshuab
Thiab tias koj tau daws tag nrho yam khoom, qhov kev txhim kho tseem ceeb yog los ntxig lub viscometer nrog rau duab nyiaj no los ntawm kev tsis pub muaj duab ntxuav. Duab ntxuav tuaj yeem cuam tshuam rau kev xam, yog li koj yuav tsum ua kom zoo heev. Tom qab no, koj tuaj yeem rov sim dua ntau zaus. Los ntawm kev sim duab nyiaj tsi zoo li cas ntau zaus, koj tus leej pheej yuav zoo dua. Tom qab sim, koj yuav tsum saib xyuas lub viscometer kom meej. Qhov no yuav pab kom lub viscometer zoo ib txhis rau txhua qhov kev sim RELIT koj yuav tsum tau ua. Sau lub viscometer rau hauv qhov chaw uas tsis tuaj yeem raug mob thaum tsis siv nws. Yog koj ua li no, ces koj tuaj yeem nug tias koj yuav tau txais cov ntaub ntawv zoo tshaj plaws.