radioactivity measurement
4.Graduation and calibration of surveying instrument for liquid scintillation counter by using β radioactivity certified reference material, and the accurate measurement of (superscript 3)H or (superscript 14)C have been finished.
5.The absorption of haematomas was assessed quantitatively by daily measurement of the radioactivity and compared intraindividually.
6.Experimental studies of early diagnosis of parkinson disease using positron emission tomography/ 18 F dopamine receptor imaging and measurement of 18 F dopa radioactivity in plasma
7.The trace method of multi-nuclides. was applied to the experiment and S-80 type analysis with Ge(Li) detector was used for the measurement of radioactivity.
