Definition: Qee lub pob zeb muaj qhov pores hauv lawv, uas yog qhov chaw khoob. … Txawm li cas los xij, yog tias qhov pores tsis txuas, ces tsis muaj kua, piv txwv li dej, tuaj yeem ntws los ntawm pob zeb. Thaum qhov pores tsis txuas, lub pob zebyog impermeable.
Dab tsi yog impermeable pob zeb piv txwv?
pob zeb tsis muaj dej muaj xws li shales thiab tsis tawg igneous thiab metamorphic pob zeb. Lub rooj dej yog qhov ntuj tsim ntawm cov dej hauv av hauv qhov qhib tawg lossis qhov dej.
pob zeb permeable thiab impermeable pob zeb yog dab tsi?
a) Cov pob zeb permeable tau nqus dej thiab cov pob zeb impermeable tsis tuaj yeem nqus dej. Txhawm rau kuaj pob zeb permeability tso sandstone, granite, chalk thiab marble nyob rau hauv cais beakers ntawm dej.
Dab tsi yog pob zeb permeable tsawg tshaj plaws?
Cov pob zeb uas tsis muaj dej tsawg tshaj plaws yog tsis muaj kev cuam tshuam tsis zoo thiab cov pob zeb metamorphic, ua raws li cov av nkos uas tsis muaj pob zeb, xuab zeb, thiab limestone. Qhov permeability ntawm sandstone tuaj yeem sib txawv nyob ntawm seb qhov kev sib cais thiab qhov nyiaj ntawm cov cement uas tam sim no.
pob zeb twg muaj qhov permeability siab tshaj?
Gravel thiab xuab zeb yog ob qho tib si ntxeem tau thiab permeable, ua rau lawv cov ntaub ntawv zoo aquifer. Pob zeb muaj qhov permeability siab tshaj plaws.