| 释义 |
Siegbahn
Siegbahn (ˈsiːɡbɑːn) n1. (Biography) Kai (kaɪ). 1918–2007, Swedish physicist who worked on electron spectroscopy: Nobel prize for physics 19812. (Biography) his father, Karl Manne Georg (kɑːrl ˈmanə ˈjeːɔrj). 1886–1978, Swedish physicist, who discovered the M series in X-ray spectroscopy: Nobel prize for physics 1924Siegbahn
Siegbahn1. Kai . born 1918, Swedish physicist who worked on electron spectroscopy: Nobel prize for physics 1981 2. his father, Karl Manne Georg . 1886--1978, Swedish physicist, who discovered the M series in X-ray spectroscopy: Nobel prize for physics 1924 siegbahn[′sēg‚bän] (spectroscopy) A unit of length, formerly used to express wavelengths of x-rays, equal to 1/3029.45 of the spacing of the (200) planes of calcite at 18°C, or to (1.00202 ± 0.00003) × 10-13 meter. Also known as x-ray unit; X-unit. Symbolized X; XU. |