±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 2572  |  »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] 275Çóµ÷¼Á +10 jjjjjjjjjjl 2026-03-27 10/500 2026-03-27 23:47 by barnett0632
[¿¼ÑÐ] ʳƷ¹¤³Ìר˶һ־ԸÖк£Ñó309Çóµ÷¼Á +3 СÕÅzxyÕÅ 2026-03-26 5/250 2026-03-27 18:42 by СÕÅzxyÕÅ
[¿¼ÑÐ] 287Çóµ÷¼Á +10 land xuxu 2026-03-26 10/500 2026-03-27 15:33 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] 311Çóµ÷¼Á +7 lin0039 2026-03-26 7/350 2026-03-27 12:42 by ¹û¹ûÂèßä
[¿¼ÑÐ] ¿¼Ñе÷¼Á +10 ºôºô£¿~+123456 2026-03-24 10/500 2026-03-27 11:46 by wangjy2002
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤306 +10 z1z2z3879 2026-03-21 11/550 2026-03-27 11:31 by wangjy2002
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£´ó085600£¬310·ÖÇóµ÷¼Á +5 Àîäì¿É 2026-03-26 5/250 2026-03-27 11:14 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] µ÷¼ÁÍÆ¼ö +5 Ç徯714 2026-03-26 6/300 2026-03-27 11:12 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉÂʦ´óÉúÎïѧ071000£¬298·Ö£¬Çóµ÷¼Á +5 SYA£¡ 2026-03-23 5/250 2026-03-27 09:29 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] µ÷¼Á +4 èÖèÖyoyo 2026-03-26 4/200 2026-03-26 20:43 by fmesaito
[¿¼ÑÐ] 081700 µ÷¼Á 267·Ö +11 ÃÔÈ˵Ĺþ¹þ 2026-03-23 11/550 2026-03-26 15:41 by zzll406
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©Óʵç´óѧ 288·Ö ²ÄÁÏ¿¼ÑÐ Çóµ÷¼Á +3 jl0720 2026-03-26 3/150 2026-03-26 13:39 by zzll406
[¿¼ÑÐ] ´ò¹ýºÜ¶à¾ºÈü£¬085406¿ØÖƹ¤³Ì300·Ö£¬Çóµ÷¼Á +3 askeladz 2026-03-26 3/150 2026-03-26 09:08 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 303Çóµ÷¼Á +6 À¶É½Ô 2026-03-25 6/300 2026-03-25 22:47 by 418490947
[¿¼ÑÐ] »úеѧ˶×Ü·Ö317Çóµ÷¼Á£¡£¡£¡£¡ +4 Acaciad 2026-03-25 4/200 2026-03-25 19:59 by hanserlol
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +6 yzysaa 2026-03-21 6/300 2026-03-25 09:27 by aa331100
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] һ־Ըɽ¶«´óѧҩѧѧ˶Çóµ÷¼Á +3 ¿ª¿ªÐÄÐÄû·³ÄÕ 2026-03-23 4/200 2026-03-24 00:06 by ¿ª¿ªÐÄÐÄû·³ÄÕ
[¿¼ÑÐ] 315·Ö£¬³ÏÇóµ÷¼Á£¬²ÄÁÏÓ뻯¹¤085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏ´ó£¬0703»¯Ñ§£¬·ÖÊý336£¬Çóµ÷¼Á +3 ÊÕµ½VS 2026-03-21 3/150 2026-03-21 18:42 by ѧԱ8dgXkO
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û