This paper summarizes the results of separation and purification of ^234Th from aged uranium salt with two processes(see flowsheet A or B).The flowsheet.A:TBP e
Upon heating, Mn atoms implanted into Na - beta- alumina diffuse inwards andoutwards with an activation energy of 0.96 eV, and substitute for Al3+ in the spinel
The multielement analysis and investigation on ginseng and soil samples have been conducted by X-ray fluorescence (XRF) with a nation approved standard matter f
An INAA technique was applied to determine simultaneously abundances of rare-earth, transitional metal, large-ion lithophile and high field strength elements in
The ~3H-labelled belladonna alkaloids obtained by catalysed exchange method with microwave excitation was investigated. The specific activities of the labelled
The acidic effect in grafting of acrylonitrile onto wool fibre under mutual irradiation has been studied. The reactivity of various acids towards graft copolyme