Txoj moo

Dab Tsi Yog Qhov Tseem Ceeb Ntawm Tov Khoom

Hauv kev sib xyaw txhua yam, cov khoom siv foob yog qhov ua kom raug, thiab qhov xav tau rau kev tsim khoom raug thiab txhim kho qhov tseeb ntawm cov cuab yeej siv yog nruj heev. Hauv txheej txheem...

Stirring Nrog Txawv Nruab Nrab Viscosity

Viscosity hais txog qhov tsis kam ntawm cov kua kom ntws, uas tau txhais tias: thaum cov kua ntws ntawm qhov nrawm ntawm 1cm / s, qhov xav tau txiav kev ntxhov siab ntawm txhua 1cm2 lub dav hlau hu...