摘要
Ⅰ. INTRODUCTION The prevailing routine TL dating method is actually a dose dating. The TL of a sample must first be transferred to the absorbed dose and divided by the annual dose of the sample (estimated by using radioactivity measurement and chemical analysis) before the date can be calculated. This method is not the whole TL dating. Even if all measurements are made by using TLD, it is yet a dose dating. Dosimetry is a
