| 摘要 |
PCT No. PCT/GB96/02408 Sec. 371 Date Jun. 8, 1998 Sec. 102(e) Date Jun. 8, 1998 PCT Filed Sep. 26, 1998 PCT Pub. No. WO97/12234 PCT Pub. Date Apr. 3, 1997A method and apparatus for analyzing drill core rock samples is described, utilizing a collimated beam of polychromatic X-ray photons of a brightness of at least 1015 photons/sec/mrad2/0.1% bandwidth and energies of at least 20 keV. A suitable source of such X-rays is a synchrotron.
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