IPTV中间件技术及标准化的探讨 为第三方提供开放的业务开发环境； 为各级运营商提供运营和支撑手段； 便于远程控制和升级； 降低终端研发成本和升级成本。 -IPTV middleware and standardization of technology for a third party to provide an open environment for business development for operators at all levels to provid

HVDC stands for High Voltage Direct Current and is today a well-proven technology employed for power transmission all over the world. In total about 70,000 MW HVDC transmission capacity is installed in more than 90 projects. HVDC stands for High V

paper "Thin Electromagnetic Wave Absorber for Quasi-Microwave Band Containing Aligned Thin Magnetic Metal Particles"

A comprehensive power loss, efficiency, reliability and cost calculation of a 1 MW/500 kWh battery based energy storage system for frequency regulation application