Cov khoom tshem tawm pob padding yog ib yam ntawm cov khoom siv tshem tawm cov padding uas tsis muaj cov av nkos, uas yog cov khoom siv tshiab tshaj plaws tsim los ntawm ntau cov ntaub ntawv kho dej khib nyiab.
Spherical suspension muab tub lim, tseem hu ua porous rotating spherical ncua kev kawm ntawv muab tub lim, yog qhov tseeb series ntawm cov khoom tsim rau ntau yam kev kho dej khib nyiab hauv tsev thiab biofilm kho technologies.Nws muaj tag nrho peb-dimensional qauv nyob rau hauv biochemical kev kho mob ntawm cov dej phwj tuaj, muaj ib tug loj qhov chaw ntawm qhov chaw, yog ncaj qha tso, tsis tas yuav tsum tau kho, yog yooj yim rau dai zaj duab xis, thiab tsis thaiv.