抑制高密度电源转换器邻近金属的涡流效应

在开关电源中，磁元件发挥着不可或缺的作用，能够让电源在保持高效率和紧凑尺寸的同时，实现储能、电压转换、滤波及隔离等功能。在实际应用中，由于磁芯气隙和边缘效应，漏磁通可能会到达邻近金属，如散热器、衬底中的铜层和其他导体。这些邻近金属会因此产生涡流，从而 ...
China.org.cn

China Focus: Chinese researchers develop fast, precise method for platinum-group catalyst ...

TIANJIN, July 14 (Xinhua) -- Chinese researchers have developed a millisecond-scale thermal pulse technology enabling the ultra-fast synthesis and precise control of platinum-group catalysts, which is ...
China.org.cn

S. Korea's Everland to launch public naming campaign for newborn giant panda cub

SEOUL, July 13 (Xinhua) -- South Korea's Everland announced Monday that it will launch a public naming campaign for the newborn giant panda cub. The naming campaign will run from July 13 to 19 through ...