Science news articles about 'particle filters'

Particle filters are standard in the basic fittings for cars. Construction machines, city buses and garbage trucks must now follow suit. This can be achieved effectively and inexpensively thanks to a ...

... contained in the paper explain the observed effects completely, so that now both effective micropumps and efficient particle filters can be developed and built for many biomedical applications.

... of Edinburgh said, "We tested a range of facemasks that differed widely in their efficiency as particle filters. In general, those masks designed to reduce occupational exposure to dusts in the ...