Cenospheres, uas yog lub teeb yuag, hollow spheres muaj feem ntau ntawm silica thiab alumina, tsis feem ntau muaj universally standardized qib zoo li lwm yam ntaub ntawv. Txawm li cas los xij, lawv cov khoom tuaj yeem sib txawv raws li lawv qhov chaw thiab kev ua haujlwm.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov kev muab qhab nia rau cenospheres tuaj yeem sib txawv ntawm cov tuam txhab lossis cov neeg muag khoom. Yog li, nws raug nquahu kom xa mus rau cov khoom tshwj xeeb lossis sab laj nrog peb kom nkag siab txog qhov zoo thiab cov yam ntxwv ntawm cov cenospheres tau muab.