青春草在线视频观看,欧美激情videos hd,日本老年老熟无码,国产麻豆精品久久一二三

X ray optics

  • Multilayer mirror optics

    Multilayer mirror optics Multilayer mirror optics use the effect of Bragg-reflection to reflect X-rays. For nearly monochromatic light they achieve larger incidence angles than the TER-mirrors.

    2018/12/20

Previous page1Next page Go to No.