Molten salt cooled reactors are “intrinsically safe,” said James Wishart, Distinguished Chemist at BNL and director of the ...

黄金有着超棒的导电性、耐腐蚀性和延展性，在医疗设备的电子元器件里经常能看到它的身影。像霆升科技的心腔内超声产品，核心部件换能器就用了镀金工艺，这样能提高稳定性。而且黄金还能用来制作医疗器械的上游核心部件，比如心脏起搏器里的电气馈通件就会用到黄金焊圈， ...

Ra Bikes has been making frames by hand for over a decade in the rolling Howardian Hills of North Yorkshire, but while it’s ...