Ubbelohde yog qhov viscometer uas muaj kev sib xyaw loj rau kev vam tswv yim ntawm cov ntaub ntawv. Qhov viscosity yog qhov vam tswv yim ntawm qhov ntau npaum li cas rau cov ntaub ntawv, piv txwv li honey lossis dej. Cov khoom no hu ua Ubbelohde viscometer. Nws pab cov neeg nyob rau hauv cov laboratoory thiab cov khoom siv los paub yuav ua li cas kom paub qhov ntau npaum li cas rau cov ntaub ntawv. Yog tias koj kho cov ntaub ntawv tshiab, piv txwv li cov ntaub ntawv no, koj yuav tsum paub qhov ntau npaum li cas rau cov ntaub ntawv kom paub yuav ua li cas kom sau tau. Ubbelohde Viscometers yog cov lus tshwj xeeb vim nws muaj kev txaus siab thiab yuav siv. Nyob rau hauv ZONWON, peb paub tias qhov twg yog qhov cuam tshuam rau kev siv cov khoom siv uas yuav siv los nrhiav qhov ntau ntawm dej. Cov khoom siv tseem ceeb yog qhov pab tau peb ua haujlwm yooj dua thiab tau txais cov lus teb zoo dua.