±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1114  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ²©Ñ§EPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

¶À¹ÂÇóºÍ

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
qfw_68: ½ð±Ò+2, ²©Ñ§EPI+1, »¶Ó­³£À´±¾°æ¡£ 2016-04-11 12:40:42
ÎÒÃǶ¼ÖªµÀ14CµÄ°ëË¥ÆÚÊÇ5730Ä꣬²¢ÇÒ14CÊǦÂË¥±äÌå¡£µ«ÊÇÔÚ×ÔÈ»½çÖУ¬ÓÉÓÚÓîÖæÉäÏß²úÉúµÄÖÐ×ÓºÍ14N×÷ÓÃͨ¹ýºË·´Ó¦Òª²úÉú14C£¬ËùÒÔËüÔÚ´óÆøÖеĺ¬Á¿ÊDz»±äµÄ£¬¼´»îÌåµÄÈ˺ÍÖ²ÎïÔÚÌåÄÚµÄ14C º¬Á¿²»±ä£¬±ÈÀýΪ£º12C:14C=1:1.2*10e-12.¡£µ«ÊǶÔÓÚÉúÃüÒ»½áÊøµÄÎïÌ壬ËûÌåÄÚµÄ14C¾Í³ÉÖ¸ÊýË¥¼õ£¬¶ÔÓÚ1gµÄÓлúÌ壬ÔÚ»î×Åʱ14CÊýĿΪ6*10e10¸ö£¬ËÀºóÿ·ÖÖÓË¥±ä14´Î¡£ÄãÒª¼ÆËãµÄ»°Äã¿ÉÒÔÓÃÑù±¾Í¨¹ý¼ÓËÙÆ÷ÖÊÆ×¼¼ÊõÖ±½ÓÈ¥²âÁ¿ÑùÆ·ÖÐ14CºËËØµÄÔ­×ÓÊý£¬½áºÏ°ëË¥ÆÚ£¬Í¨¹ý±ÈÀý¹ØÏµ¾Í¿ÉÒÔÈ·¶¨ÑùÆ·Äê´ú¡£
ÕùÆä±ØÈ»£¬Ë³Æä×ÔÈ»£¡
2Â¥2016-04-10 16:47:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÖÇÄÜ»úÆ÷ÈË

Robot (super robot)

ÎÒÃǶ¼°®Ð¡Ä¾³æ

ÕÒµ½Ò»Ð©Ïà¹ØµÄ¾«»ªÌû×Ó£¬Ï£ÍûÓÐÓÃŶ~

¿ÆÑдÓСľ³æ¿ªÊ¼£¬ÈËÈËΪÎÒ£¬ÎÒΪÈËÈË
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ cwang09 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 332Çóµ÷¼Á +3 Lyy930824@ 2026-03-29 3/150 2026-03-30 08:34 by Iveryant
[»ù½ðÉêÇë] ÃæÉÏ5BÄÜÉÏ»áÂ𣿠+5 redcom 2026-03-29 5/250 2026-03-30 07:58 by 443933501
[¿¼ÑÐ] µ÷¼Á310 +12 ÎÂÈáµÄÍí°² 2026-03-25 13/650 2026-03-29 20:01 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 299Çóµ÷¼Á +10 15188958825 2026-03-25 10/500 2026-03-29 17:51 by ÍõÁÁ_´óÁ¬Ò½¿Æ´ó
[¿¼ÑÐ] 297Çóµ÷¼Á +11 ÌïºéÓÐ 2026-03-26 11/550 2026-03-29 13:14 by peike
[¿¼ÑÐ] 0856Çóµ÷¼Á +13 zhn03 2026-03-25 14/700 2026-03-29 08:13 by fmesaito
[¿¼ÑÐ] 085602 »¯¹¤×¨Ë¶ 338·Ö Çóµ÷¼Á +12 ·³ÕСç÷ 2026-03-27 12/600 2026-03-28 15:41 by L135790
[¿¼ÑÐ] 081200-314 +3 LILIQQ 2026-03-27 4/200 2026-03-28 09:41 by ±£»¤µØÇòÄãÎÒ×öÆ
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á£¬¸÷λÀÏʦ¿´¿´ÎÒ£¡£¡£¡ +5 Æîì÷ì÷ 2026-03-25 5/250 2026-03-27 21:44 by ¶«·½ÖíÖí
[¿¼ÑÐ] 274Çóµ÷¼Á +17 ¹Ë¾ÅóÏҪǫÐé 2026-03-24 23/1150 2026-03-27 15:16 by caszguilin
[¿¼ÑÐ] 0856µ÷¼Á +5 ÇóÇóÈÃÎÒÓÐÊé¶Á° 2026-03-26 6/300 2026-03-27 15:12 by caszguilin
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸ ±¾¿Æ ±±¿Æ´ó »¯Ñ§ 343 +6 13831862839 2026-03-24 7/350 2026-03-26 22:57 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 333Çóµ÷¼Á +6 wfh030413@ 2026-03-23 6/300 2026-03-26 22:45 by ѧԱ8dgXkO
[¿¼ÑÐ] 321Çóµ÷¼Á +6 wasdssaa 2026-03-26 6/300 2026-03-26 20:57 by sanrepian
[¿¼ÑÐ] 321Çóµ÷¼Á +6 Ymlll 2026-03-24 6/300 2026-03-26 20:50 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +3 Çñgl 2026-03-25 3/150 2026-03-25 19:03 by Ainin_
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] ÇóbÇøÔºÐ£µ÷¼Á +4 ÖÜ56 2026-03-24 5/250 2026-03-25 17:12 by yishunmin
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 344Çóµ÷¼Á +3 desto 2026-03-24 3/150 2026-03-24 10:09 by ²«»÷518
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û