【正文】
ttingen, became assistant professor at the University of Br252。 CT 優(yōu)點(diǎn): ? 斷層成像 ? 密度分辨率高,對(duì)軟組織分辨能力高。 Central Research Laboratories, EMI London G. N. Hounsfield A. M. Cormack Tufts University Medford, MA, USA Electric and Musical Industries 百代唱片公司 傳統(tǒng)的 X射線裝置的缺點(diǎn) ? 影像重疊。深度方向上的信息至疊在 起,引起混淆。(相對(duì)于 X射線成像術(shù)) ? 投影劑量小 (相對(duì)于 X射線成像術(shù)) ? 動(dòng)態(tài)范圍大 (相對(duì)于 X光片) ? 無(wú)損檢測(cè) ? 存儲(chǔ)方便 The Nobel Prize in Physiology or Medicine 1962 for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material. London University Harvard University MRC Laboratory of Molecular Biology Cambridge M. H. F. Wilkins J. D. Watson F. H. C. Crick Portrait of a DNA Sequence by Roger