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Penn Engineers Develop Filters That Use Nanoparticles to Prevent Slime Build-up（图）
Penn Engineers Filters Nanoparticles Prevent Slime Build-up
2017/11/23
Filtration membranes are, at their core, sponge-like materials that have micro- or nanoscopically small pores. Unwanted chemicals, bacteria and even viruses are physically blocked by the maze of mesh,...