One of Python's best features is the number of libraries you can use with the language. Not only does Python come with lots ...

Atomic Fe/Co–N–C materials represent one promising type of noble-metal-free oxygen reduction reaction (ORR) catalyst for metal–air batteries and fuel cells, but their inherent features of complex and ...

Variable filters with adjustable bandwidth are vital components in diverse communication scenarios. This paper presents an innovative architecture for a continuously variable bandwidth filter using a ...