China.org.cn

China Focus: China's "mice astronauts" and their challenging journey to space

BEIJING, Nov. 4 (Xinhua) -- Footage of four mice living aboard China's space station alongside the Shenzhou-21 astronaut crew has recently been transmitted back to Earth, revealing these small animals ...
China Internet Information Center

Confining power to an institutional cage

All power in China is bestowed by the people and should be exercised only for the benefit of the people. To Confine power to an institutional cage means to strengthen constraints on and oversight of ...
中国工控网

AB Power Flex 7000中压变频器

变频器所用逆变开关器件数量比其他任何中压变频技术的器件数量都少.功率结构为无熔断器，具有电流抑制DC电抗器。其结果是更简单，牢固，可靠之产品。 技术先进： 简单可靠的功率结构： Power Flex 7000使用6.5KV 800A/1500A 的对称门极换流晶闸管（SGCT）,变频器所 ...