Impedance spectroscopy is one of the continuously developing tools deployed for the inspection and evaluation of the health condition of electrical machines and machine components. Being a practical ...

A high-concentration photovoltaic (HCPV) system with high optic-electric transition efficiency was developed in order to increase the electrical energy generated by a photovoltaic system. However, ...

Cellulose foams are considered an effective alternative to plastic foam, because of their advantages of low density, high porosity, low thermal conductivity, and renewable nature. However, they still ...