论文部分内容阅读
99Tc is fission product, it has high-abundance (6%) fission yield and has long half-life(2.1×105 a),and it is a radionuclide hat emit weak β(Emax=292 keV). 99Tc has been widely distributed in environment through nuclear weapon testing, nuclear fuel cycl
99Tc has a high-abundance (6%) fission yield and has long half-life (2.1 × 105 a), and it is a radionuclide hat emit weak β (Emax = 292 keV). 99Tc has been widely distributed in environment through nuclear weapon testing, nuclear fuel cycl