adsorption by foam materials的用法和样例：
- The starch foam materials with different glycerol contents were extruded by using a twin-screw extruder.
- Extraction of polymyxin E by foam separation was studied.
- Copper ions adsorption by beer yeast was studied by AAS,FTIR,SEM/EDS etc.
- The experimental results of Pb2+ adsorption by activated carbon show good adsorbing performance.