KS A ISO 8690-2012 Decontamination of radioactively contaminated surfaces-Method for testing and assessing the ease of decontamination《放射性污染表面的去污 试验和评估去污难易度的方法》.pdf
《KS A ISO 8690-2012 Decontamination of radioactively contaminated surfaces-Method for testing and assessing the ease of decontamination《放射性污染表面的去污 试验和评估去污难易度的方法》.pdf》由会员分享,可在线阅读,更多相关《KS A ISO 8690-2012 Decontamination of radioactively contaminated surfaces-Method for testing and assessing the ease of decontamination《放射性污染表面的去污 试验和评估去污难易度的方法》.pdf(30页珍藏版)》请在麦多课文档分享上搜索。
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2、2012 i ii . iii 1 1 2 1 3 .1 4 2 5 .2 6 4 6.1 4 6.2 .5 7 5 7.1 .5 7.2 6 7.3 .6 8 6 8.1 6 8.2 .7 8.3 .8 9 9 10 .10 A( ) .11 B( ) 13 C( ) 137Cs 6oCo .20 D( ) .21 KS A ISO 8690:2012 ii . , , . , , . KS A ISO 8690:2012 iii 1988 1 ISO 8690, Decontamination of radioactively contaminated surfaces Method fo
3、r testing and assessing the ease of decontamination , . . KS A ISO 8690:2012 Decontamination of radioactively contaminated surfaces Method for testing and assessing the ease of decontamination 1 . (decontaminability) ( 1 ) . . ( , , ) . . 2 . . ( ) . KS B ISO 273, ISO 15, Rolling bearings Radial bea
4、rings Boundary dimensions General plan ISO 683 13, Heat-treated steels, alloy steels and free-cutting steels Part 13: Wrought stainless steels ISO 2009, Slotted countersunk head screws(common head style) Product grade A ISO 2010, Slotted raised countersunk head screws (common head style) Product gra
5、de A ISO 4762, Hexagon socket head Cap screws Product grade A 3 . 3.1 (radionuclide) . 3.2 . KS A ISO 8690:2012 2 3.3 (比 ) 1 mL . mL . . 3.4 . . 3.5 5 . . 3.6 . . . . 3.7 60Co( 60), 137Cs( 137) . . 4 6oCo 137Cs ( : 10 5molar, pH 4) . 100 L , . , (demineralized water) . . . 6oCo 137Cs ( ) . 5 5.1 2 2
6、 000 mL 2 (KS L ISO 3819 ) 5.2 KS A ISO 8690:2012 3 30 mm . . (gas-flow proportional) , , . , (lmin 12.5 mm): h 3 . lmin ( ) mm , h mm . , (lmin 12.5 mm): h 3 . , 30 mm . a) (8.1 ) 100 L 25 mm ( ) . b) 100 L 200 000 (8.1 ). 5.3 5.6 2 . 1 ( ) 5.3 1 100 L 2 5.4 1 1 000 L 2 5.5 PTFE(polytetrafluoroethy
7、lene) 2 5.6 PTFE 2 PTFE (PTFE/PFP, PFA, PVDFL) . 5.7 5 , (PMMA) 5 ( A ) A (Shore A hardness) 60 , (45 mm25 mm2 mm) . lminhKS A ISO 8690:2012 4 , , . . . 10 ( 5 ) . 5.8 B 6 (cage-stirrer). 100(100 r/min) . 6 6.1 6.1.1 137Cs 60CO . . , . . . (activity concentration) ( ) 100 L 200 000 . 0.2 MBq/mL . (1
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