"What would happen if we cut off your ear?" the soldiers asked Oleksandr Vdovychenko. Then they hit him in the head. "What would happen if we cut off your ear?" the soldiers asked Oleksandr ...

Crossflow (or tangential flow) filtration, in which the feed liquid passes both parallel and perpendicular to the membrane, allowing both retentate and permeate to be collected. Typical applications ...

Air filtration, as we all know, is the process of separating dispersed particles from air by means of porous media. Filter fibers are expected to separate and retain particles on or within the filter ...

“What would happen if we cut off your ear?” the soldiers asked Oleksandr Vdovychenko. Then they hit him in the head. The punches kept coming whenever his interrogators – a mixture of Russian soldiers ...