国产精品无码Av在线播放,少妇人妻偷人精品无码视频,国内精品久久久久久久小说,精品水蜜桃久久久久久久

Knowledge

  • 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

  • Plasma X ray sources

    When matter is heated to very high temperatures, it turns into a plasma. Such plasma can emit X-rays.Discharge plasma sourcesX-rays are emitted from hot plasmas. When the current in an electric discha

    2018/12/20

Previous page1Next page Go to No.