Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 561  |  »Ø¸´: 7
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

xuefeifei

Òø³æ (СÓÐÃûÆø)

[½»Á÷] Ò»¸ö¸ßÖл¯Ñ§ÀÏʦÌá³öµÄÎÊÌâ

Ëã³öÀ´¦Ò¼üÄܱȦмüµÄ¼üÄÜС£¬µ«È´ËµÇ°Õ߱ȺóÕßÎȶ¨£¿
ÕâÊÇÒ»¸ö¸ßÖл¯Ñ§ÀÏʦÌá³öµÄÎÊÌ⣬Çë¸÷λ°ïæ»Ø´ðһϡ£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xuefeifei

Òø³æ (СÓÐÃûÆø)

ÎÊÌâ½â¾öÁË,·Ç³£±§Ç¸¡£Í¬Ñ§¸øÎÒ·¢µÄÓʼþÎʵÄÕâ¸öÎÊÌ⣬ÎÒÒ»Ö±¸ß²»Çå³þ£¬ËùÒÔ·¢³öÀ´ÇóÖú´ó¼Ò¡£ËûµÄÓʼþÀﻹÌùÁËÒ»¸öͼ£¬²»ÖªÔõô»ØÊ£¬ÎÒ¿´²»µ½Í¼£¬ÏÖÔÚ²ÅÖªµÀÓÐÕâ¸öͼ£¬Í¼ÈçÏ£º
N¡ÔNµÄ¼üÄÜΪ942KJ/mol£¬N-Nµ¥¼üµÄ¼üÄÜΪ247 KJ/mol¡£¼ÆËã˵Ã÷N2Öе썣©±È£¨£©¼üÎȶ¨£¨¦Ò»ò¡Ç£©£¿

ÓÐÁËÕâ¸öͼÎÒ²éÁË×ÊÁϺóÈÏΪ£¬N2ÊÇ·´³£µÄ£¬ËüµÄ¦Ð±È¦Ò¼üÎȶ¨¡£
5Â¥2008-06-20 08:48:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

xuzhenxxzz

½ð³æ (СÓÐÃûÆø)

Ó¦¸ÃÊǺóÕßÎȶ¨°É
ÔÚºÚÒ¹¹Âµ¥µÄÒ»µã΢¹â,²»ÔÚºõË­¿´µ½ÎÒÔÚ·¢ÁÁ.
2Â¥2008-06-19 09:30:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Æï×ÅÎÏÅ£×·»ð¼ý

ľ³æ (ÖøÃûдÊÖ)

ÄÉÃ×СÉú

¡ï
heavence007(½ð±Ò+1,VIP+0):ok
¦Ò¼üÄܱȦмüµÄ¼üÄÜÓ¦¸Ã´ó£¬¹ìµÀ½»µþµÃ¶à¡£Ëû¿ÉÄÜÊÇÕâ¸öÒâ˼£¬Ë«¼ü¼üÄܱȵ¥¼ü¼üÄÜ´ó¡£Ë«¼üÖеĦмü²»Îȶ¨¡£
3Â¥2008-06-19 12:30:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ãö×Ó

¡ï
wangkj80(½ð±Ò+1,VIP+0):ok
¡°¦Ò¼üÄܱȦмüµÄ¼üÄÜС¡±Õâ±¾ÉíÊǸö´íÎóµÄǰÌᣬ¦Ð¼üÊÇÁ½¸öp¹ìµÀ²àÃæÖØµþ¶ø³É£¬Öصþ³Ì¶È±ÈÒ»°ãµÄ¦Ò¼üСµÃ¶à¡£ËùÒԦмü²»Èç̼̼¦Ò¼üÎȶ¨¡£Í¨³£¾ÍÊÇÕâô˵µÄ£ºC=CµÄ¼üÄÜСÓÚC-C¼üÄܵÄÁ½±¶£¬¾ÍÊÇͬÑùµÄ½âÊÍ¡£ÒÒÏ©£ºC=CµÄ¼üÄÜΪ 610KJ/mol£¬¦Ð¼ü¼üÄÜΪ264.4KJ/mol¡£
4Â¥2008-06-19 14:52:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +3 zlb770521 2026-04-14 3/150 2026-04-14 17:07 by ÕÅzhihao
[¿¼ÑÐ] ²ÄÁÏרҵ344Çóµ÷¼Á +17 hualkop 2026-04-10 22/1100 2026-04-14 16:21 by sxdj2
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢Àࣨ´¨´ó¿ØÖƹ¤³Ì£©Çóµ÷¼Á¿É¿çרҵ ÇóÀÏʦÁªÏµ +4 626776879 2026-04-08 4/200 2026-04-14 14:49 by htcscq
[¿¼ÑÐ] Çóµ÷¼Á +16 Ñ©·ê¶¬ 2026-04-10 16/800 2026-04-14 14:27 by ÄæË®³Ë·ç
[¿¼ÑÐ] 297Çóµ÷¼Á +23 ORCHID1 2026-04-10 26/1300 2026-04-14 13:52 by ³ÂƤƤ
[¿¼ÑÐ] ²ÄÁϹ¤³Ì281»¹Óе÷¼Á»ú»áÂð +38 xaw. 2026-04-11 39/1950 2026-04-14 13:04 by wanganpin
[¿¼ÑÐ] ²ÄÁϹ¤³Ì085601£¬270Çóµ÷¼Á +41 @ASDF1234 2026-04-08 44/2200 2026-04-14 09:23 by barlinike
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤349·ÖÇóµ÷¼Á +16 Àîľ×Ó°¡¹þ¹þ 2026-04-12 17/850 2026-04-14 09:11 by fenglj492
[¿¼ÑÐ] 339Çóµ÷¼Á +4 hanwudada 2026-04-12 4/200 2026-04-13 12:03 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤300Çóµ÷¼Á +39 Ф¿ªÎÄ 2026-04-09 43/2150 2026-04-12 01:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] »¯¹¤µ÷¼ÁÇóµ¼Ê¦ÊÕÁô£¡Ò»Ö¾Ô¸Ê§Àû£¬Ì¤Êµ¿Ï¸É£¬ÓÐÖ²ÎïÌáÈ¡¿ÆÑо­Àú +20 yzyzx 2026-04-09 21/1050 2026-04-12 00:12 by ССССÀ²À²À²
[¿¼ÑÐ] 343Çóµ÷¼Á +9 Íõ¹ú˧ 2026-04-10 9/450 2026-04-11 20:31 by dongdian1
[¿¼ÑÐ] 297Çóµ÷¼Á +9 Kwgyz 2026-04-09 9/450 2026-04-11 10:09 by zhq0425
[¿¼ÑÐ] 22408µ÷¼ÁÇóÖú +7 ì±12 2026-04-09 9/450 2026-04-11 09:23 by ŶŶ123
[¿¼ÑÐ] ¼ÆËã»úÀàÇóµ÷¼Á£¬22408-274·Ö +7 Éϰ¶deС³æ 2026-04-09 8/400 2026-04-10 19:56 by fxue1114
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¶«Ê¦·¶ÉúÎïѧ326·Ö£¬Çóµ÷¼Á +8 Áõīī 2026-04-09 8/400 2026-04-10 12:00 by pengliang8036
[¿¼ÑÐ] 314Çóµ÷¼Á +14 weltZeng 2026-04-09 14/700 2026-04-09 23:14 by wolf97
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] 334Çóµ÷¼Á +16 Riot2025 2026-04-08 17/850 2026-04-09 09:28 by wdyheheeh
[¿¼ÑÐ] 296Çóµ÷¼Á +3 Íô£¡£¿£¡ 2026-04-08 3/150 2026-04-08 22:00 by zhouyuwinner
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û