Ib homogeneous sib tov muaj tib yam zoo li qub thiab muaj pes tsawg leeg thoob plaws. Ntau homogeneous sib tov yog feem ntau hu ua kev daws teeb meem. Ib qho kev sib xyaw heterogeneous muaj cov tshuaj sib txawv los yog theem. Peb theem lossis lub xeev ntawm cov teeb meem yog roj, kua, thiab khoom.
Dab tsi yog qhov txawv txav?
1 ib qho tshuaj qhia txog cov khaub ncaws rau cov tswv cuab ntawm lub koom haum, xws li cov tub rog lossis cov menyuam kawm ntawv. 2 ib txheej ntawm cov khaub ncaws zoo li no. 3 tus yam ntxwv tshwj xeeb lossis kev zam ntawm qee chav kawm lossis pab pawg. adj. 4 tsis hloov pauv hauv daim ntawv, zoo, kom muaj nuj nqis, thiab lwm yam; tsis tu ncua.
Yuav ua li cas thiaj muaj qhov tsis xws luag zoo li teb?
Zoo li cov khoom sib tov sib xyaw, cov khoom tsis sib xws tuaj yeem yog kua, khib nyiab thiab roj. Ib qho piv txwv ntawm cov kua uas tsis yog-uniform sib tov yog zaub xam lav hnav khaub ncaws; Qhov tseeb, txhua yam hauv qhov xwm txheej tuaj yeem suav tias yog qhov sib xyaw tsis sib xws yog tias nws muaj cov ntsiab lus sib txawv uas muaj cov khoom sib txawv pom.
Cov ntaub ntawv twg hauv qab no yog opaque?
Opaque khoom yog hais txog cov khoom siv uas tsis yog xim hlau (muaj zog xav) lossis pob tshab (refractive). Plastic, ntoo, pob zeb, ceramic yog cov piv txwv ntawm Opaque cov ntaub ntawv, thiab lawv yog cov khoom siv ntau tshaj plaws.
Cov ntaub ntawv twg hauv qab no thaiv qhov kev pom ntawm lub teeb?
Opaque cov ntaub ntawv Cov ntaub ntawv uas thaiv lub teeb tag yog hu ua cov ntaub ntawv opaque. Duab ntxoov ntxoo Qhov chaw tsaus uas tsim los ntawm ib qho translucent lossis ib qho khoom opaque thaum nws thaiv lub teeb hu ua duab ntxoov ntxoo. cov ntaub ntawv. Cov av nkos, ntoo, thiab daim iav yog cov piv txwv ntawm cov khoom opaque.
