±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1910  |  »Ø¸´: 7
¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷Õßlanyemm½«ÔùËÍÄú 5 ¸ö½ð±Ò
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

lanyemm

гæ (СÓÐÃûÆø)

[ÇóÖú] 13C NMR 49ppm ´¦ÆßÖØ·åÊÇʲô ÒÑÓÐ1È˲ÎÓë

13C NMR 49ppm ´¦ÆßÖØ·å¿ÉÄÜÊÇʲô£¬Ïà¶ÔÇ¿¶ÈÂùÇ¿µÄ£¬µ«¶Ô²»ÉÏ£¨ÈÜÒºÖ÷ҪΪDMF£¬¼×´¼£¬äå±½£©
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

lanyemm

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by ¶þÖÁÍè at 2021-04-01 10:00:56
¿Ï¶¨ÊÇë®´ú¼×´¼µÃ²ÐÁô·å£¬¸ù¾Ý2nI+1¹æÔò£¬DµÃ×ÔÐýÁ¿×ÓÊýIÊÇ1£¬CD3ODÖÐ̼µÃ±ßÉÏÓÐ3¸öD£¬¹Ên=3£¬ËùÒÔÁзÖ7ÖØ·å¡£

ÄúºÃ£¬ÊÇÕâÑùµÄ£¬ÎÒµÄÑùÆ·Ò»¸öÊÇë®´ú¼×´¼ºÍDMFµÄ»ìºÏÈÜÒº£¬Ò»¸öÊÇë®´ú¼×´¼ºÍÒÒëæµÄ»ìºÏÈÜÒº£¬µ«ºóÕßµÄ13C NMR·å²»Ì«Ò»Ñù£¬Ã»ÓгöÏÖÆßÖØ·å£¬ÕâÊÇÎªÊ²Ã´ÄØ
13C NMR 49ppm ´¦ÆßÖØ·åÊÇʲô
ë®´ú¼×´¼-DMF.jpg


13C NMR 49ppm ´¦ÆßÖØ·åÊÇʲô-1
ë®´ú¼×´¼-ÒÒëæ.jpg

6Â¥2021-04-01 21:11:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

chihaijun

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¿ÉÄÜÊǼ״¼-d4µÄC·å49.15ppm£¨7£©£¬¿ÉÒÔ¶ÔÕÕÇâÆ×4.87ppm£¨1£©£¬3.31ppm£¨5£©È·ÈÏÒ»ÏÂ
2Â¥2021-03-31 14:33:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dqlf0794

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2021-03-31 17:10:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

°¢½Üonlive

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2021-03-31 17:15:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²»Ó¦Öú È·¶¨»ØÌûÓ¦Öú (×¢Ò⣺ӦÖú²Å¿ÉÄܱ»½±Àø£¬µ«²»ÔÊÐí¹àË®£¬±ØÐëÌîд15¸ö×Ö·ûÒÔÉÏ)
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[Óлú½»Á÷] ¸ßθßѹ·´Ó¦ÇóÖú 10+4 chibby 2026-03-25 4/200 2026-03-27 21:08 by BT20230424
[¿¼ÑÐ] 308Çóµ÷¼Á +7 īīĮ 2026-03-25 7/350 2026-03-27 14:47 by ¿ñìÅÂóµ±µ±
[¿¼ÑÐ] 299Çóµ÷¼Á +6 àÅàÅàÅàÅ2 2026-03-27 6/300 2026-03-27 12:43 by ¹û¹ûÂèßä
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬335·Ö£¬0856£¬Çóµ÷¼ÁԺУºÍµ¼Ê¦ +4 Çã____Ïô 2026-03-27 5/250 2026-03-27 11:52 by zhshch
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤¿¼Ñе÷¼Á +16 ‹üÈA 2026-03-22 16/800 2026-03-27 11:23 by ÍõЦÓîÒ»¶¨ÊÇÑо
[¿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] 081200-11408-276ѧ˶Çóµ÷¼Á +3 ´Þwj 2026-03-26 3/150 2026-03-27 07:58 by chemisry
[¿¼ÑÐ] Çóµ÷¼Á +8 Auroracx 2026-03-22 8/400 2026-03-26 19:55 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Öйú¿ÆÑ§ÔºÉîÛÚÏȽø¼¼ÊõÑо¿Ôº-¹âÏË´«¸Ð¿ÎÌâ×éÕÐÉú-Öйú¿ÆÑ§Ôº´óѧ¡¢ÉîÛÚÀí¹¤´óѧÁªÅà +5 YangTyu1 2026-03-26 5/250 2026-03-26 18:27 by èßäèßäѽ
[¿¼ÑÐ] 291 Çóµ÷¼Á +7 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 8/400 2026-03-26 11:25 by AlenQIN.
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤328·Öµ÷¼Á +6 ¡££¬¡££¬¡££¬¡£i 2026-03-23 6/300 2026-03-25 22:30 by 418490947
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[Óлú½»Á÷] ÓлúºÏ³ÉÇóÖú 20+3 FENGSHUJEI 2026-03-23 5/250 2026-03-24 19:31 by 88817753
[¿¼ÑÐ] ²ÄÁÏר˶ÕÒµ÷¼Á +5 ¹þ¹þ¹þºðºðºð¹þ 2026-03-23 5/250 2026-03-24 19:07 by ÁËÁËÁËÁË¡£¡£
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÓàÒâÇä 2026-03-21 6/300 2026-03-24 15:03 by ÓàÒâÇä
[ÂÛÎÄͶ¸å] ¼±·¢ºËÐÄÆÚ¿¯ÂÛÎÄ +3 ÏÍ´ïÎʽò 2026-03-23 5/250 2026-03-23 17:13 by ÃÃ×Ó²»ºÃÈÇ
[¿¼ÑÐ] 070300£¬Ò»Ö¾Ô¸±±º½320Çóµ÷¼Á +3 Jerry0216 2026-03-22 5/250 2026-03-23 09:16 by ¡£¡£ÌÃÌÃ
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸º£´ó£¬0703»¯Ñ§Ñ§Ë¶304·Ö£¬Óдó´´ÏîÄ¿£¬Ëļ¶Òѹý +6 ÐÒÔËÁ¨Á¨ 2026-03-22 10/500 2026-03-22 20:10 by edmund7
[¿¼ÑÐ] Çóµ÷¼ÁԺУÐÅÏ¢ +6 CX 330 2026-03-21 6/300 2026-03-22 15:25 by ÎÞи¿É»÷111
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û