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姜永鎬,金春泳 전북대학교 공업기술연구소 1987 工學硏究 Vol.18 No.-
This paper describes the parameters controlling the coupled transport of uranium anions through solid-supported liquid membranes (SLM). The membranes consist of a microporous polymeric with an organic solution of t tertiary amine complexing agent held within the pores by capillary forces. The results of permeation experiments shows maximum uranium flux at about pH 1.3 and 30 vol.% carrier concentration. Its value is about 100μg/cm^2. min
姜榮浩,金道聖,高在杰 慶北大學校 物理化學硏究所 1984 硏究論文集 Vol.5 No.-
Charged particles create their tracks in most dielectric solids. These tracks can be viewed under optical microscope after proper chemical etching. Tracks of uranium fission fragments in obsidians also can be viewed after etching by HF solution and used for age dating. In this paper, dating formular and experimental procedures for fission track dating are introduced. And spontaneous and induced fission tracks by thermal neutrons are counted under optical microscope (magnification of 400x). Measured fission track ages of obsidian samples, OM No. 147 and HM No. 40 are 8.86 × 10 exp(5)y and 7.67 × 10 exp(5)y, respectively.