Raws li txhua lub tsev SI npe rau ib tus neeg, nws lub cim pib nrog tsab ntawv loj (J), tab sis thaum sau tag nrho nws ua raws li cov cai rau kev sau npe ntawm ib tus npe; i.e., " joule" dhau los ua qhov loj ntawm qhov pib ntawm kab lus thiab hauv cov npe, tab sis yog lwm yam hauv cov ntawv qis.
Joule sau li cas?
The joule (jawl, jool; symbol: J) is a derived unit of energy in the International System of Units.
Yuav ua li cas rau ib lub joule yog dab tsi?
Joule, unit of work or energy in the International System of Units (SI); nws yog sib npaug rau cov hauj lwm ua los ntawm ib tug quab yuam ntawm ib tug newton ua los ntawm ib 'meter'. Lub npe hu ua tus kws kho mob Askiv James Prescott Joule, nws sib npaug 10 7 ergs, lossis kwv yees li 0.7377 ko taw-phaus.
Yuav tsum muaj cov npe tshuaj muaj npe?
tshuaj npe tshuaj
npe tshuaj tsis muaj nqis tshwj tsis yog lawv yog thawj lo lus ntawm kab lus. Nyob rau hauv tas li ntawd, thawj tsab ntawv ntawm lub syllabic feem yog capitalized, tsis yog tus piav los yog prefix. Nco ntsoov tias prefixes xws li Tris- thiab Bis- (uas tsis yog feem ntau italicized) yog suav tias yog ib feem ntawm lub npe.
Yuav ua li cas sau npe?
Nyiaj txiag. Chav nyob: npe ntawm txhua chav pib nrog tsab ntawv qis tshwj tsis yog, tau kawg, thaum pib ntawm kab lus. Muaj ib qho kev zam: hauv "degree Celsius" (cim ° C) chav tsev "degree" qis duacov ntaub ntawv tab sis tus hloov kho "Celsius" yog capitalized. Yog li, lub cev kub yog sau li 37 degrees Celsius.
