The (n,2n) cross- section for <sup>23</sup>Na have been measured by the activation method in the energy range of E<sub>n</sub>=13.3—18.5 MeV. Monoenergetic neutr
<sup>14</sup>C-butachlor and <sup>14</sup>C-oxadiazon could be released from four kinds of CR formulations into water respectively, and the release percentage o
In this paper we try to study the retentive peculiarity of soluble enriched uranium UO2F2 in subcellular level by electron microscopic autoradiography. The earl
The positron lifetime spectroscopy was used to investigate the electron structures of crystal lattice and its defects in palladium samples filled galvanostatica
Biochemical technique was used to separate three kinds of proteins (albumin, globulin and gliadin) in corn samples froin high selenium areas and normal areas in