±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 2573  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

issas007

гæ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿¹ØÓÚPb210ºÍCs137²âÄêµÄÒÇÆ÷ ÒÑÓÐ5È˲ÎÓë

ÓÃPb210ºÍCs137²âÄêµÄÒÇÆ÷£¬ÎÒ¿´ÎÄÏ׿ÉÒÔÓÐa£¨alpha£©ÄÜÆ×ÒǺÍr£¨gamma£©ÄÜÆ×ÒǶ¼¿ÉÒԲ⣬ÕâÁ½ÖÖÒÇÆ÷²âµÄÓÐÊ²Ã´Çø±ðÄØ£¿ÍøÉ϶¼google²»µ½Ïà¹Ø×ÊÁÏ¡£ÏëÕÒ·ÅÉäÐÔÍ¬Î»ËØµÄÊé¿´¿´£¬Ò²Ã»Ïµ½£¬ÌØÀ´ÇóÖú£¬Íû¸ßÈ˰ïæ½â´ðһϣ¡£¡
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

iriver595t

ľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
5Â¥: Originally posted by luoyinss at 2015-01-05 15:59:04
Ù¤ÂíÄÜÆ×ÒÇ¿ÉÒÔ²âµÃtotal Pb210ºÍRa226µÄ±È»î¶ÈÕâÁ½¸ö²ÎÊý£¬total Pb210µÄ±È»î¶È¼õÈ¥Ra226µÄ±È»î¶È¾ÍµÃµ½Pb210µÄ±È»î¶È£¬¿ÉÒԲο¼ÏÂÕâÆªÂÛÎÄDisequilibrium Between 226Ra and supported 210pb in a sediment core ...

½èµÀÇë½Ìһϣ¬ÎªÊ²Ã´210PbexÓÃ210Pbtotal¼õÈ¥226Ra£¬¶ø²»ÊǼõÈ¥210Pbsupport£¬Ð»Ð»£¡
6Â¥2018-01-28 09:07:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

Anne2000

½ð³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
pb£­210Ë¥±ä£¬·¢ÉäBÁ£×ÓºÍvÉäÏß¡£vÄÜÆ×ÒÇÖ±½Ó²âÁ¿ÉäÏߣ¬ÐèÒªµÄÑùÆ·Á¿´óһЩ£¬¸ÉÑùÒ»°ã×îÉÙ15g¡£vÄÜÆ×ÒÇÆ÷²âb-210»òÕßµÚ¶þ´ú×ÓÌåPo£­210.
2Â¥2010-05-11 20:37:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

issas007

гæ (СÓÐÃûÆø)

лл¥Éϵģ¬ÎÒÕ⼸Ìì¿´ÎÄÏ×Ò²ÖªµÀÁ˴𰸡£ÇëÎÊ£º rÆ×ÒDzâ³öÀ´µÄÊÇÄĸö²ÎÊý£¬Ö»ÓÐtotal Pb210 »¹ÊǰüÀ¨ supported Pb210? ·ñÔò unsupported Pb210ÔõôÇó³öÀ´ÄØ£¿
Èç¹ûÊÇͨ¹ýRa226ÓëPb210µÄƽºâÀ´¼ÆËã supported Pb210£¬ÄÇôrÄÜÆ×ÒÇÄܹ»²âµ½µÄ²ÎÊýÊÇ·ñ°üÀ¨ total Pb210ºÍRa226 ÕâÁ½¸ö²ÎÊýÄØ£¿

ÌØ´ËÇë½Ì¸÷·½¸ßÈË£¬Íû²»Áߴͽ̣¡
3Â¥2010-05-17 23:23:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

q7111

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ѧϰһÏ£¬£»lz¿ÉÓÐÕâ·½ÃæµÄÎÄÏ×¹²Ïí
4Â¥2010-05-18 00:07:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0703 »¯Ñ§ Çóµ÷¼Á£¬Ò»Ö¾Ô¸É½¶«´óѧ 342 ·Ö +4 Shern¡ª- 2026-03-28 4/200 2026-03-29 00:47 by 544594351
[¿¼ÑÐ] 311£¨085601£©Çóµ÷¼Á +4 liziyeyeye 2026-03-28 4/200 2026-03-28 18:50 by 535743368
[¿¼ÑÐ] 0703±¾¿ÆÖ£ÖÝ´óѧÇóµ÷¼Á +3 nhj_ 2026-03-25 3/150 2026-03-28 13:24 by Iveryant
[¿¼ÑÐ] 0856£¬²ÄÁÏÓ뻯¹¤321·ÖÇóµ÷¼Á +12 ´ó²öС×Ó 2026-03-27 13/650 2026-03-28 10:56 by self2008
[¿¼ÑÐ] 292Çóµ÷¼Á +14 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 15/750 2026-03-28 08:45 by WYUMater
[¿¼ÑÐ] 085404Çóµ÷¼Á£¬×Ü·Ö309£¬±¾¿Æ¾­Àú½ÏΪ·á¸» +4 À´²Æaa 2026-03-25 4/200 2026-03-28 07:41 by °ô°ôÇòÊÖ
[¿¼ÑÐ] Çóµ÷¼ÁÍÆ¼ö ²ÄÁÏ 304 +15 ºÉ°üµ°hyj 2026-03-26 15/750 2026-03-28 04:13 by fmesaito
[¿¼ÑÐ] 265Çóµ÷¼Á +8 Сľ³æ085600 2026-03-27 8/400 2026-03-27 22:16 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +4 °®³Ô·¬ÇѵÄÐñ 2026-03-24 5/250 2026-03-27 17:50 by kiokin
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á +10 A-¶ßÀ²ZÃÎ 2026-03-23 16/800 2026-03-27 15:13 by caszguilin
[¿¼ÑÐ] 322Çóµ÷¼Á +4 ÎÒÕæµÄºÜÏëѧϰ 2026-03-23 4/200 2026-03-27 13:51 by ÑîÑîÑî×Ï
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó071010£¬316·ÖÇóµ÷¼Á +3 xgbiknn 2026-03-27 3/150 2026-03-27 10:36 by guoweigw
[¿¼ÑÐ] 317Çóµ÷¼Á +7 µ°»ÆÏÌÈâôÕ 2026-03-26 7/350 2026-03-27 02:29 by fmesaito
[¿¼ÑÐ] 281Çóµ÷¼Á +3 ÑÇ¿ËÎ÷good 2026-03-26 5/250 2026-03-26 19:48 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 271Çóµ÷¼Á +6 ÉúÈçÏÄ»¨¡­ 2026-03-22 6/300 2026-03-26 16:48 by ÕÅ¿­Ê®°ËºÅ
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì 317Çóµ÷¼Á +4 JKSOIID 2026-03-26 4/200 2026-03-26 15:58 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] »·¾³×¨Ë¶324·ÖÇóµ÷¼ÁÍÆ¼ö +5 ÐùСÄþ¡ª¡ª 2026-03-26 5/250 2026-03-26 12:05 by i_cooler
[¿¼ÑÐ] 293Çóµ÷¼Á +7 ¼ÓÒ»Ò»¾Å 2026-03-24 7/350 2026-03-25 12:02 by userper
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϺ½²ÄÁÏר317·ÖÇóµ÷¼Á +5 ըѽըѽըÊíÌõ 2026-03-23 5/250 2026-03-24 16:52 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] һ־Ըɽ¶«´óѧҩѧѧ˶Çóµ÷¼Á +3 ¿ª¿ªÐÄÐÄû·³ÄÕ 2026-03-23 4/200 2026-03-24 00:06 by ¿ª¿ªÐÄÐÄû·³ÄÕ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û