PEM
From Wikipedia, the free encyclopedia
PEM may stand for:
- The IATA code for the Padre Aldamiz International Airport in Puerto Maldonado, Madre de Dios, Peru
- Proton exchange membrane – as in "fuel cell", applications include use in proton-exchange fuel cells, used to manipulate hydrogen for energy conversion.
- Porous European Mix – a type of asphalt used on roads and airport runways, commonly referred to as PEM.
- Positron Emission Mammography
- Power Entry Module
- Photo-electro magnetic effect
- Plesk Enterprise Manager software
- Polyelectrolyte multilayer
- in Public-key cryptography, the .pem suffix is used for a Base64-encoded X.509 certificate

