2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Seepage nrawm yog qhov nrawm ntawm cov dej hauv av suav los ntawm Darcy txoj cai. Seepage velocity tsis yog qhov tseeb tshaj tawm ntawm cov dej hauv lub qhov hws, tab sis qhov pom meej tshaj tawm los ntawm qhov nruab nrab ntawm qhov ntxeem tau.
Seepage ceev ceev formula yog dab tsi?
seepage velocity q s=v=-K i / q.
Puas seepage nrawm dua Darcy tshaj tawm?
seepage velocity Lub nrawm ntawm cov dej hauv av suav los ntawm Darcy txoj cai. … Qhov tseeb tshaj tawm yog siab dua qhov kev tshaj tawmlos ntawm qhov tseem ceeb uas ua ke cov teebmeem ntawm porosity thiab qhov tortuosity ntawm qhov tseeb ntws ntawm thiab ib ncig ntawm cov pob zeb hauv av.
Dab tsi yog qhov txawv ntawm Darcy tshaj tawm thiab pom qhov nrawm?
tso tawm tshaj tawm feem ntau hu ua darcy qhov kev tawm tawm nrawm thiab qis dua qhov kev tawm nrawm dua. Kev tshaj tawm tawm yog siv nyob rau hauv darcy qhov kev qhia ntawm cov dej ntws hauv qab lub taub hau sib txawv. seepage velocity is the real speed of water through the av.
Puas seepage nrawm tas li?
V nyob rau hauv kab zauv (5.5) yog lub npe hu ua superficial los yog tawm tshaj tawm rau lub laj thawj zoo heev uas nws tsis yog qhov tseeb tshaj tawm ntawm cov dej ntws los ntawm cov av. Yog li v (superficial or discharge velocity) thiab qhov tseeb tshaj tawm ntawm ntws vs (zoo los yog seepage tshaj tawm) yeej tsis sib npaug.
Pom zoo:
Puas yog qhov kev cai lij choj kom tshaj tawm kev tshaj tawm obituary?
Tsis muaj kev cai lij choj khi rau obituaries. Lawv yog ib txoj hauv kev los qhia zaj dab neeg ntawm ib tug neeg hauv tsev neeg tuag, thiab lawv tsuas yog muaj txiaj ntsig zoo. Obituaries tsis yog kev cai lij choj lossis kev lav phib xaub nyob rau txhua qhov xwm txheej.
Hnub twg daim ntawv tshaj tawm vixaj tshaj tawm?
Lub Yim Hli 26, 2021 Lub Tsev Haujlwm Saib Xyuas Kev Ruaj Ntseg Hauv Tebchaws Meskas tau tshaj tawm nws daim ntawv tshaj tawm Visa rau lub Cuaj Hlis 2021. Qhov ntawd yog qhov tseem ceeb yog tias koj tab tom tos rau hnub tseem ceeb ntawm koj tam sim no yog li ntawd koj daim npav ntsuab tuaj yeem mus tom ntej.
Puas yog kev tshaj tawm thiab tshaj tawm tib yam?
Raws lub npe qhov txawv ntawm kev tshaj tawm thiab kev tshaj tawm. yog tshaj tawm yog ib nqe lus uas tau tshaj tawm; kev tshaj tawm rau pej xeem thaum kev tshaj tawm yog kev tshaj tawm. qhov txawv ntawm qhov chaw nyob thiab tshaj tawm yog dab tsi?
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?
Detering yog tus neeg ua liaj ua teb los ntawm Txhua Tus Neeg Tsis Txaus Siabntawm Sab Hnub Poob los ntawm Erich Maria Remarque. Nws muaj siab mos siab muag, tshwj xeeb tshaj yog thaum nws los txog rau nees. Nws muaj kev kub ntxhov loj heev thaum nws hnov cov nees quaj thiab txawm sim tua lawv kom kawg lawv txoj kev txom nyem.
