²é¿´: 816  |  »Ø¸´: 1

ÇëÄãºåºÃÎÒ

гæ (³õÈëÎÄ̳)

[ÇóÖú] ¹ØÓÚN2OÖÐÎȶ¨Í¬Î»Ëزⶨ

ÎÒÒª½øÐÐÎȶ¨Í¬Î»Ëرê¼ÇʵÑ飬ÊDzο¼¹úÍâµÄһƪÎÄÏ×È·¶¨¼ÓÈëÍÁÈÀÈÜÒºÖÐNµÄÔ­×Ó°Ù·Ö³¬¡£Ö®Ç°ÊµÑéÊÒûÓÐ×ö¹ýÀàËÆÊµÑé¡£Äⶨ¼ÓÈ뵪·ÊµÄ15N·á¶ÈΪ40%£¬¼ÓÈë18O·á¶ÈΪ1%¡£×îÖÕ¼ì²âN2Oʱ£¬»á³öÏÖÆøÌåÖÐ15N 18O»á³¬¹ý¼ì²â·åÖµÂ룿ÎÒ½øÐеÄԤʵÑéÖÐÆøÌåµÄ×ܲúÁ¿´ó¸ÅÒ²¾Í²»³¬¹ýN2O-N 10ug/kgÍÁ.

ÖÊÆ×ÒǵľßÌå²Ù×÷²»ÊǺÜÇå³þ£¬Çë´óʪָ½Ì£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

¼ÈÈ»Èç´Ë ²»Íùºó¿´
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

changyougas

¾èÖú¹ó±ö (ÕýʽдÊÖ)


É̼ÒÒѾ­Ö÷¶¯ÉùÃ÷´Ë»ØÌû¿ÉÄܺ¬ÓÐÐû´«ÄÚÈÝ
ÄúºÃ£¡ÎÒÃǹ«Ë¾ÌṩÎȶ¨Í¬Î»Ëرê¼ÇµÄ²úÆ·£¬ÂÛ̳ÉÏÃæµÄÁ´½ÓÊÇ£ºhttp://muchong.com/bbs/viewthread.php?tid=6412358&fpage=1

Äã¿ÉÒÔÓʼþÁªÏµÎÒÃÇ isotopexu@sina.com.
2Â¥2013-12-06 21:35:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÇëÄãºåºÃÎÒ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 312Çóµ÷¼Á +5 Éϰ¶°ÉZJY 2026-03-22 9/450 2026-03-26 16:44 by Éϰ¶°ÉZJY
[¿¼ÑÐ] 0856µ÷¼Á +4 ÇóÇóÈÃÎÒÓÐÊé¶Á° 2026-03-26 5/250 2026-03-26 15:54 by dick_runner
[¿¼ÑÐ] 281Çóµ÷¼Á +6 Koxui 2026-03-24 7/350 2026-03-26 15:37 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ¹¤´ó 081700 276Çóµ÷¼Á +4 µØÇòÈÆ×ÅÌ«Ñôת 2026-03-23 4/200 2026-03-26 14:27 by zzll406
[¿¼ÑÐ] Çóµ÷¼Á +3 «lty 2026-03-25 4/200 2026-03-25 23:25 by «lty
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó£¬085400£¬320£¬Çóµ÷¼Á +4 gdlf9999 2026-03-24 4/200 2026-03-25 23:01 by boxking200
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 299Çóµ÷¼Á +7 ijijijijλ 2026-03-21 8/400 2026-03-25 20:34 by ÈÈÇéɳĮ
[¿¼ÑÐ] 303Çóµ÷¼Á +6 ԪϦԪ 2026-03-20 7/350 2026-03-25 12:00 by edmund7
[¿¼ÑÐ] 318Çóµ÷¼Á +3 plumÀî×Ó 2026-03-23 3/150 2026-03-25 09:42 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] 306Çó0703µ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶ +10 Ö½Óãly 2026-03-21 11/550 2026-03-24 17:22 by qingfeng258
[¿¼ÑÐ] 291Çóµ÷¼Á +3 HanBeiNingZC 2026-03-24 3/150 2026-03-24 16:34 by barlinike
[¿¼ÑÐ] ²ÄÁÏ292µ÷¼Á +8 éÙËÌ˼ÃÀÈË 2026-03-23 8/400 2026-03-24 16:33 by laoshidan
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ALULU4408 2026-03-23 3/150 2026-03-23 19:04 by macy2011
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
[¿¼ÑÐ] ½ÓÊÕ2026˶ʿµ÷¼Á(ѧ˶+ר˶) +4 allen-yin 2026-03-23 6/300 2026-03-23 15:04 by Íô£¡£¿£¡
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«»ª´óѧ»¯Ñ§070300£¬Çóµ÷¼Á +7 2117205181 2026-03-21 8/400 2026-03-22 22:55 by chixmc
[¿¼ÑÐ] 297Çóµ÷¼Á +3 ϲ»¶»¹ÊDz»¸ÊÐÄ 2026-03-20 3/150 2026-03-21 18:33 by ѧԱ8dgXkO
[¿¼ÑÐ] ²ÄÁÏ 271Çóµ÷¼Á +5 Õ¹ÐÅÔÃ_ 2026-03-21 5/250 2026-03-21 17:29 by ѧԱ8dgXkO
[¿¼ÑÐ] 295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶ +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û