Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. A virtual credit card is a randomly generated card number you can use when shopping online or over the ...

Introduction Virtual reality-based telerehabilitation (VR-TR) combines gamified exercises with remote supervision for people with Parkinson’s disease (PD). Its effectiveness and safety in PD remain ...

Abstract: VPP (Virtual power plant) is a new generation of power operation technology that aggregates and optimizes power generation, power networks, energy storages and power loads. It can greatly ...

Abstract: With the gradual improvement of the electricity market mechanism, the virtual power plant operators can act as independent subjects to participate in the electricity markets, aggregating ...