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核工业中铀含量快速测定N-235萃取分光光度法与缓发中子技术对比

鈥?strong>鈥嬩负浠€涔堥搥鍚噺娴嬪畾瑕佹悶杩欎箞澶氳姳娲伙紵鈥?/strong>鈥?br/> 鏍稿伐涓氱殑閾€妫€娴嬫棦瑕佸揩鍙堣鍑嗭紝灏卞儚鏃㈣椹効璺戝張瑕侀┈鍎夸笉鍚冭崏銆侼-235钀冨彇鍒嗗厜鍏夊害娉曞拰缂撳彂涓瓙鎶€鏈紝涓€涓儚鍖栧璇句唬琛紝涓€涓儚鐗╃悊璇句唬琛紝鍚勬湁鍚勭殑缁濇椿銆傚挶浠粖澶╁氨鎺板紑鎻夌浜嗚銆?/p>


馃挕 鈥?strong>鈥婲-235钀冨彇鍒嗗厜鍏夊害娉曪細鍖栧瀹剁殑绮惧瘑澶╁钩鈥?/strong>鈥?/h3>

鈥?strong>鈥嬫牳蹇冨師鐞嗏€?/strong>鈥嬶細鐢∟-235杩欑钀冨彇鍓傛妸閾€浠庢憾娑查噷"閽?鍑烘潵锛屽啀閫氳繃鏄捐壊鍙嶅簲娴嬫祿搴︺€傚氨鍍忕敤纾侀搧鍚搁搧灞戔€斺€斿厛鍒嗙锛屽啀绉伴噸銆?br/> 鈥?strong>鈥嬫搷浣滀笁姝ヨ蛋鈥?/strong>鈥嬶細

  1. 鈥?strong>鈥嬭悆鍙栧垎绂烩€?/strong>鈥嬶細鎶婃牱鍝侀吀鍖栨垚"閰告堡"锛屽姞N-235浣垮姴鎽囨檭锛岄搥灏变箹涔栭捇杩涙湁鏈虹浉
  2. 鈥?strong>鈥嬪弽钀冨彇鏄捐壊鈥?/strong>鈥嬶細鐢ㄧ閰告妸閾€"鎸?鍥炴按鐩革紝鍔犳樉鑹插墏鍙樺嚭钃濈传鑹?/li>
  3. 鈥?strong>鈥嬩华鍣ㄨ鏁扳€?/strong>鈥嬶細鍒嗗厜鍏夊害璁″鐫€520nm娉㈤暱娴嬪惛鍏夊害锛屾祿搴︾洿鎺ョ畻

鈥?strong>鈥嬩紭鍔库€?/strong>鈥嬶細妫€鍑洪檺浣庤嚦0.01渭g/L锛岃繛澶村彂涓濅笂鐨勯搥閮借兘閫綇銆備絾缂虹偣涔熷緢鏄庢樉鈥斺€斿墠澶勭悊瑕?灏忔椂锛屾搷浣滄楠ゅ牚姣斿仛鍒嗗瓙鏂欑悊銆?/p>


鈿涳笍 鈥?strong>鈥嬬紦鍙戜腑瀛愭妧鏈細鐗╃悊鑰佸笀鐨勯棯鐢垫垬鈥?/strong>鈥?/h3>

鈥?strong>鈥嬫牳蹇冨師鐞嗏€?/strong>鈥嬶細閾€-235瑁傚彉鏃朵細寤惰繜鍙戝皠涓瓙锛屾暟涓瓙灏卞儚鏁拌タ鐡滅苯鈥斺€旇秺澶氳タ鐡滆秺鐔熴€?br/> 鈥?strong>鈥嬫搷浣滅湡棣欎笁杩炩€?/strong>鈥嬶細

  1. 鈥?strong>鈥嬫牱鍝佺収灏勨€?/strong>鈥嬶細鎶婇搥鐭跨矇濉炶繘涓瓙鍙戠敓鍣?鐑?10鍒嗛挓
  2. 鈥?strong>鈥嬬瓑寰呰鍙樷€?/strong>鈥嬶細鍏虫帀涓瓙婧愮瓑1鍒嗛挓锛岃缂撳彂涓瓙鎱㈡參鍐?/li>
  3. 鈥?strong>鈥嬫帰澶磋鏁扳€?/strong>鈥嬶細涓瓙鎺㈡祴鍣ㄥ搾鍝掑搷锛屾暟鎹洿鎺ュ嚭娴撳害

鈥?strong>鈥嬩紭鍔库€?/strong>鈥嬶細20鍒嗛挓鍑虹粨鏋滐紝閫傚悎閾€鐭跨幇鍦烘櫘鏌ャ€備絾璁惧鎴愭湰鑳戒拱杈嗙壒鏂媺锛岃€屼笖鍙兘娴嬮搥-235銆?/p>


馃啔 鈥?strong>鈥嬬‖鏍稿姣旇〃鈥?/strong>鈥?/h3>
鎸囨爣N-235钀冨彇娉?/th>缂撳彂涓瓙娉?/th>
妫€娴嬮檺0.01渭g/L100渭g/g
鍓嶅鐞嗘椂闂?/td>2灏忔椂鏃犻渶鍓嶅鐞?/td>
璁惧鎴愭湰5涓囪捣姝?/td>200涓?
閫傜敤鍦烘櫙鏍稿簾娑?鐜鏍峰搧閾€鐭挎櫘鏌?/td>
妫€娴嬫牳绱?/td>鍏ㄩ搥浠呴搥-235

鈥?strong>鈥嬩釜浜烘毚璁衡€?/strong>鈥嬶細
鏈€杩戝府鏌愰搥娴撶缉鍘傛悶鏂规硶楠岃瘉锛屽彂鐜颁釜鍙嶅父璇嗙幇璞♀€斺€擭-235娉曠殑瀹為檯鍥炴敹鐜囧眳鐒惰兘鍒?5%浠ヤ笂锛屾瘮鏂囩尞鏁版嵁杩樻紓浜€傚弽鍊掓槸缂撳彂涓瓙鎶€鏈湪鍦拌川闃熷疄娴嬫椂锛岄亣鍒伴拲鍚噺楂樼殑鐭垮尯浼?鎵撴憜瀛?锛屽緱鐢ㄩ晧鐗囧睆钄藉共鎵般€?/p>

鐜板湪琛屼笟閲屾湁涓笉鎴愭枃鐨勮鐭╋細瀹為獙瀹ょ敤鍖栧娉曡緝鐪燂紝閲庡鐢ㄧ墿鐞嗘硶鏁戞€ャ€備笉杩囧惉璇翠腑鏍搁泦鍥㈡柊鎼炵殑绉诲姩寮廚-235钀冨彇瑁呯疆锛屾妸鍓嶅鐞嗗帇缂╁埌40鍒嗛挓锛岃繖鏄闈╃紦鍙戜腑瀛愭妧鏈殑鍛藉晩銆?/p>

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