GB/T 16544-1996球形储罐γ射线全景曝光照相方法.pdf

÷–a??à√ò1≤∫?1˙1˙o“±í?o ?ú–?￥￠1fi γ é‰?fl?′?∞±?1?’’??∑?∑? GB/T16544-1996 neq ISO 5579:1985 Spherical tank Radiographic method of gamma ray panoramic exposure ?∞ —‘ ±?±í?o∑?μ?–?≤é”√ ISO 5579:1985 °∞?e ù≤??? X ∫??√é‰?fl’’??a?±?1ê‘ú°±°￡ ±?±í?o‘?÷???÷–“??? ISO 5579 1˙o ±í?o?á∫??“1˙?fl???è??,?a≥??à?ú–?￥￠1fi γ é‰?fl?′ ?∞??1?’’??oo ?μ?≤?????μ?∫?∞≤?′∑?a§μ?÷?“?–‘°￡‘?é‰?fl’’????”√oo ?????é?“?”√?à1˙?? ±í?o°￡±??≈∏?????éà1§“’°￠?á∏fl’’??÷ ??∫??∑±￡≤???∞≤?′μ???÷o,?‘??éà??o?°￠1§“’∫?≤? ??÷e????––?à—?∏ò??÷?,≤￠￥”1§≥? μo ≥?∑￠,≤?’’√?1˙ ASME ±í?o,?‘?∫?¨—°‘ò∫??‘±? ‘—è μ?∏?±e???ó???à μ±μ?’?°￡ ±?±í?oμ?∏??o A ?±í?oμ?∏??o°￡ ±?±í?o”铱?e1§“μ≤??á≥?°￡ ±?±í?o”é?′1˙∏÷±í?oa?oo ???‘±aá1è??°￡ ±?±í?o?e≤?μ??a:“±?e1§“μ≤???÷?—–????‘∫°￠÷–1˙ ?”????a??μ?“a??é?1′à?°￠“±?e1§ “μ≤?é?∫￡±?∏÷“±?e??é?1′à?°￡ ±?±í?o÷?“??e≤??à:?ó”ò1e°￠–??￠—′°￠’≈÷?￥∫°￠≥??à√?°￠??–à—?°￡ 1 ∑??? ±?±í?o1ê???à?ú–?￥￠1fi(∫?≥??ú1fi) γ é‰?fl?′?∞??1?’’??∑?∑?∫?”–1?oo ?“???; ±?±í?o ”√”? 10mm °′ 100mm ∫ò∏÷÷??ú1fi?€a?∫∏?‘?”?”?∑(∫?≥?∫∏∑?)μ?÷ ??o?—è°￡ 2 “?”√±í?o ???–±í?o∞?∫¨μ?????,??1?‘?±?±í?o÷–“?”√??11≥é??±?±í?oμ?????°￡‘?±í?o≥?∞ê ±,à? ?∞ê±?????”––?°￡à?”–±í?o??aá±a–fi??, 1”√±?±í?oμ?∏?∑?”????÷ 1”√???–±í?o?ó–?∞ê±? μ??é??–‘°￡ GB 3323-87 ∏÷?€a?∫∏?”?”?∑é‰?fl’’??∫?÷ ??∑÷o? GB 4792-84 ∑≈é‰??é˙∑?a§a?±?±í?o GB 5618-85 ?fl–???÷ o? 3 μ??a∫??à‘±“??? 3.1 ￥” ? γ é‰?flo?—è1§??μ?μ??a±?–?≥÷”–??é˙°￠1′∞≤≤?√≈∞‰∑￠μ?°∞∑≈é‰?fl?¨?aà?1§??–ì?é μ?o?÷§°±,≤￠‘??‰–ì?éμ?o?∑?????￥” ?o?—è1§??°￡ 3.2 ￥” ? λ é‰?flo?—è1§??μ??à‘±?o±?–??fl±∏??”?μ???“μo∞∑?a§÷? ?∫??°?μ??o?,≤￠?á1??‰ ÷§√?≤???°￡ 3.3 ￥” ? γ é‰?flo?—è1§???à‘±±?–?≥÷”–1˙o“????≤?√≈∞‰∑￠μ?? ∏ò÷§ è,￥” ???”?μ?o?—è1§ ??,≤￠∏∫??”?μ?oo ?‘e??°￡ 3.4 ???¨?à‘±μ? ”??”?√??ío?≤è“a￥?,?√’? ”??≤aμ√μ?”? 1.0,≤￠“????? 400mm ????≥?∏fl 0.5mm °￠o‰∏ù 0.5mm μ?“a?è”°à￠???÷?∏°￡ 4 ±ì√ê?￥?¨ ?ú1fi∫∏∑?o∞??”∞????±ì√ê÷ ??”??≠??1€o?≤è∫?∏ò°￡±ì√êμ?≤a1ê‘ú?￥?¨‘?μ??¨é?μ??o?? ”?≤a—?∏?∫∏∑?÷–μ??±??aú”?÷?a???,∑ò‘ú”??? μ±–fi’?°￡ μ±é?o?aú???–μ??a?‘±ao?1§o?±ì√ê?￥?¨”–√??∑1ê?? ±,–?∞￥?‰?fl??“???÷￥–