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    KS A ISO 14152-2012 Neutron radiation protection shielding-Design principles and considerations for the choice of appropriate materials.pdf

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    KS A ISO 14152-2012 Neutron radiation protection shielding-Design principles and considerations for the choice of appropriate materials.pdf

    1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 14152 KS A ISO 14152:2012 2012 12 12 http:/www.kats.go.krKS A ISO 14152:2012 : ( ) ( ) () ( ) : () () () ( ) () () () () ( ) () () : (http:/www.standard.go.kr) : :2012 12 12 2012-0698 : :() ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS A ISO 14

    2、152:2012 i . iii 1 1 2 1 3 .2 3.1 2 3.2 4 4 .8 4.1 .8 4.2 .8 4.3 .9 5 10 5.1 .10 5.2 ( , )11 5.3 .12 5.4 .12 5.5 ALARA 13 5.6 , , .13 5.7 13 5.8 14 6 14 6.1 .14 6.2 14 6.3 14 6.4 .15 7 .15 7.1 .15 7.2 16 7.3 .16 7.4 .16 7.5 .16 7.6 , .16 7.7 .17 7.8 .17 7.9 17 7.10 .17 8 .17 8.1 .17 8.2 .19 8.3 20 8

    3、.4 .21 KS A ISO 14152:2012 ii 8.5 .22 9 .22 10 22 11 23 A( ) 24 B( ) .30 C( ) 34 D( ) 56 E( ) D T 61 F( ) 64 73 KS A ISO 14152:2012 74 KS A ISO 14152:2012 iii 2001 1 ISO 14152, Neutron radiation protection shielding Design principles and considerations for the choice of appropriate materials , . KS

    4、A ISO 14152:2012 Neutron radiation protection shielding Design principles and considerations for the choice of appropriate materials 1 . . . . ( , , , ) . 2 . . ( ) . KS A ISO 8529 1, KS A ISO 8529 3, KS A ISO 15080, ISO 921:1997, Nuclear energy Vocabulary ISO 7212:1986, Enclosures for protection ag

    5、ainst ionizing radiation Lead shielding units for 50 mm and KS A ISO 14152:2012 2 100 mm thick walls ISO 9404 1:1991, Enclosures for protection against ionizing radiation Lead shielding units for 150 mm, 200 mm and 250 mm thick walls Part 1: Chevron units of 150 mm and 200 mm thickness ICRP 103(2007

    6、), Recommendations of the International Commission on Radiological Protection ICRP Publication 103, Annals of the ICRP, Pergamon Press, Oxford (2007) ICRU 39(1985), Determination of Dose Equivalents Resulting from External Radiation Sources ICRU Report 39, 1985 (International Commission on Radiation

    7、 Units and Measurements, Bethesda, MD) ICRU 51(1993), Quantities and Units in Radiation Protection Dosimetry ICRU Report 51, 1993 (International Commission on Radiation Units and Measurements, Bethesda, MD) ICRU 57(1998), Conversion Coefficients for use in Radiological Protection against External Ra

    8、diation ICRU Report 57, 1998 (International Commission on Radiation Units and Measurements, Bethesda, MD) ICRU 60(1998), Fundamental Quantities and Units for Ionizing Radiation ICRU Report 60, 1998 (International Commission on Radiation Units and Measurements, Bethesda, MD) IAEA1)(1986), Safety Guid

    9、es, Safety Series No. 76, Radiation Protection Glossary, Vienna IAEA(1996), Safety Guides, Safety Series No. 115, International Basic Safety Standards for Protection against Ionizing Radiation and for the Safety of Radiation Sources, Vienna 3 3.1 2) 3.1.1 HT T , R . RT,RTDWH = DT,R : R T WR : ICRP 1

    10、03:2007, IAEA Safety Series No.115:1996 1 , HT WR DT,R . =RRT,RTDWH 2 SI (J kg 1) , (Sv) . 3.1.2 E 1) (International Atomic Energy Agency) 2) ICRP Publication 74 (Radiation Protection Quantities) , (Operational Quantity) . KS A ISO 14152:2012 3 =TTTHWE HT : T WT : T ICRP103:2007, ICRU 51:1993, IAEA

    11、Safety Series No.115:1996 1 . WT T (WT 1). . HT . RT,RTRTDWWE= 2 SI (J kg 1) , (Sv) . 3.1.3 H Q D QDH = D: Q: (quality factor) ICRU 51:1993 SI (J kg 1) , (Sv) . 3.1.4 H*(d) , ( ) , ICRU d ICRP103:2007, ICRU 39:1985, ICRU 51:1993, IAEA Safety Series No.115:1996 1 , d 10 mm . 2 SI (J kg 1) , (Sv) . 3

    12、( ) (fluence) . . 3.1.5 )(* dH& dt dH*(d) KS A ISO 14152:2012 4 tdHdHd)(*d)(* =& dH*(d): dt H*(d) ICRP103:2007, IAEA Safety Series No. 76:1986 SI (J kg 1 s 1) , (Sv) . (Sv h 1) . 3.2 3.2.1 dN da aNdd= dN: da ICRU 51:1993, KS A ISO 8529 1 SI m 2 , cm 2 . 3.2.2 / d dt taNt ddddd2= d: dt ICRU 51:1993,

    13、KS A ISO 8529 1 SI m 2 s 1 . 3.2.3 / Ed dE EEdd = d: E E dE KS A ISO 14152:2012 5 ICRU 51:1993, KS A ISO 8529 1 SI m 2 J 1 , cm 2 eV 1 . 3.2.4 / E dE dt tEtEEddddd2= dE: dt ICRU 51:1993, KS A ISO 8529 1, IAEA Safety Series No. 76:1986 SI m 2 s 1 J 1 , cm 2 s 1 eV 1 . 3.2.5 , , , , (committed effecti

    14、ve dose) . . IAEA Safety Series No.115:1996 3.2.6 IAEA Safety Series No.115:1996 3.2.7 (ICRU) , , (directional dose equivalent), (personal dose equivalent) . IAEA Safety Series No.115:1996 3.2.8 - h H KS A ISO 14152:2012 6 Hh = ICRU 57:1998, ICRU 60:1998, KS A ISO 8529 1 1 - SI Sv m2 . 2 - , . h . K

    15、S A ISO 8529 3 . 3.2.9 B dN* dt tNBd*d= dN*: dt KS A ISO 8529 1 1 SI s 1 . 2 (intensity of a neutron source) , (neutron source strength) . 3.2.10 / BEdB dE EBBEdd= dB: E E dE KS A ISO 8529 1 SI s 1 J 1 , cm 2 s 1 eV 1 . 3.2.11 N&dN dt tNNdd=& dN: dt KS A ISO 14152:2012 7 IAEA Safety Series No. 76:19

    16、86 SI s 1 . 3.2.12 K dEtr dm mEKddtr= dEtr: dm ISO 921 1 SI (J kg 1) , (Gy) . 2 . 3.2.13 a) . b) . IAEA Safety Series No.115:1996 3.2.14 IAEA Safety Series No. 115:1996 3.2.15 (irradiation) ( ) ( ) . (normal exposure) (potential exposure), (occupational exposure) (medical exposure) (public exposure)

    17、, (emergency exposure) (chronic exposure) . IAEA Safety Series No. 115:1996 3.2.16 , KS A ISO 14152:2012 8 IAEA Safety Series No. 76:1996 3.2.17 , 3.2.18 ( , , ) IAEA Safety Series No. 115:1996 3.2.19 , . IAEA Safety Series No. 76:1986, ISO 921:1997 SI m2 , . barn (1 barn 10 28m2). 3.2.20 , , . IAEA

    18、 Safety Series No.115:1996 4 4.1 . , . . . ISO 7212 ISO 9404 1 . 4.2 . , . . ALARA (5.5 ) . KS A ISO 14152:2012 9 : ( ) . : ( ) . : , , . . , (intervention) . . H*(10) . , (dose) (dose rate) . . . 4.3 . 1) 2) 3) 4) 5) 6) 7) 1 . 5.11. . . , . KS A ISO 14152:2012 10 1 5 5.1 KS A ISO 14152:2012 11 (dimensioning) . , , , , . . ICRP ALARA (5.4 ). 5.25.4 . (: , , , ) . , , , , . , , . 5.2 . 5.2 ( , ) 5.2.1 . ICRP . (unrestricted area) 3 . 5.2.2 5.2.2.1 . 5.2.2.2 . 5.2.3 . , . 5.2.4 1 , 3/10 . ICRP ICRP 103(2007) , KS A ISO 14152:2012 12 . (intake) . 2 1 mSv, , 1/10 . . ICRP . 5.3 . . . ( , )


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