±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 2224  |  »Ø¸´: 8

xdz0703

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ÔõÑùͨ¹ý1HNMR»ò13CNMR¼ÆËãÎïÖʵĺ¬Á¿£¿

¼±Ð裡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÓÐЩÊ£¬Ã÷ÖªÊÇ´íµÄ£¬Ò²ÒªÈ¥¼á³Ö£¬ÒòΪ²»¸ÊÐÄ£»ÓÐʱºò£¬Ã÷֪û·ÁË£¬È´»¹ÔÚǰÐУ¬ÒòΪϰ¹ßÁË¡£ÐÒÔËÖ®ÉñµÄ½µÁÙ£¬ÍùÍùÖ»ÊÇÒòΪÄã¶à¿´ÁËÒ»ÑÛ£¬¶àÏëÁËһϣ¬¶à×ßÁË.
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

seanhcs

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

xdz0703(½ð±Ò+5): ·Ç³£¸Ðл£¡ 2011-10-25 11:34:55
ÏÂÃæÕâ¸ö¹«Ê½Êǰ´ÕÕÇâÆ×¼ÆËãµÄ£ºm1/m2=M1N1n2/M2N2n1,˵Ã÷£ºmΪ³ÆÁ¿µÄÎïÖʵÄÖØÁ¿£¬NΪ¸Ã»¯ºÏÎïÖÐij»ùÍŵÄÇâÔ­×ӵĸöÊý£¬nΪÏàÓ¦ÇâÆ×»ý·ÖµÄÇâÔ­×ÓÊý£¬MΪÎïÖʵÄĦ¶ûÖÊÁ¿¡£»ù±¾Ë¼Â·ÊǸù¾Ýͬһ»¯ºÏÎïÖУ¬²»Í¬»ùÍŵÄÇâÔ­×Ó¸öÊýÖ®±ÈΪ»ý·ÖµÄÊý×ÖÖ®±È£¬²»Í¬µÄ»¯ºÏÎÐèÒª¿¼ÂÇÎïÖʵÄÁ¿Ö®±È¡£ÆäÖÐm2×÷Ϊ±ê×¼ÎïÖʵÄÖØÁ¿¡£
2Â¥2011-10-24 13:43:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

seanhcs

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

²¹³äÒ»µã£ºm2×÷Ϊ±ê×¼ÎïÖÊ£¬Æäº¬Á¿±ØÐëÊÇÒÑÖªµÄ£¬¶øÇÒ¸ÃÎïÖʺ¬ÓÐÎȶ¨µÄº¬Çâ¹ÙÄÜÍÅ£¬±ÈÈç¼×»ù£¬ÑǼ׻ù...m2ÊÇʵ¼Ê³ÆÁ¿µÄÁ¿£¬m1ÊǸù¾ÝÁ½ÇâÆ×ͼµÄ»ý·ÖºÍm2µÄÖµËã³öÀ´µÄ´ýÇóº¬Á¿µÄÎïÖʵÄÖÊÁ¿£¬m0ÊǸÃÎïÖʵÄʵ¼Ê³ÆÁ¿ÖÊÁ¿£¬(m1/m0)*100%£¬¾ÍÊÇÄãÒªÇóµÄÎïÖʵĺ¬Á¿ÁË¡£
3Â¥2011-10-24 13:53:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xdz0703

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by seanhcs at 2011-10-24 13:43:16:
ÏÂÃæÕâ¸ö¹«Ê½Êǰ´ÕÕÇâÆ×¼ÆËãµÄ£ºm1/m2=M1N1n2/M2N2n1,˵Ã÷£ºmΪ³ÆÁ¿µÄÎïÖʵÄÖØÁ¿£¬NΪ¸Ã»¯ºÏÎïÖÐij»ùÍŵÄÇâÔ­×ӵĸöÊý£¬nΪÏàÓ¦ÇâÆ×»ý·ÖµÄÇâÔ­×ÓÊý£¬MΪÎïÖʵÄĦ¶ûÖÊÁ¿¡£»ù±¾Ë¼Â·ÊǸù¾Ýͬһ»¯ºÏÎïÖУ¬²»Í¬»ùÍŵÄÇâ ...

ÎÒÓõÄÊDz®°·£¬ÖÙ°·ºÍÊå°·µÄË®ÈÜÒº·Ö±ðÓë¶þÑõ»¯Ì¼·´Ó¦£¬È»ºóÎÒÒª¼ÆËãÒѾ­·´Ó¦Éú³ÉµÄÑεÄÁ¿ºÍδ·´Ó¦µÄ°·µÄÁ¿£¬ÓÃÇâÆ×»ò̼Æ×¡£°ïÎÒ·ÖÎöһϣ¬Ð»Ð»ÁË£¡
ÓÐЩÊ£¬Ã÷ÖªÊÇ´íµÄ£¬Ò²ÒªÈ¥¼á³Ö£¬ÒòΪ²»¸ÊÐÄ£»ÓÐʱºò£¬Ã÷֪û·ÁË£¬È´»¹ÔÚǰÐУ¬ÒòΪϰ¹ßÁË¡£ÐÒÔËÖ®ÉñµÄ½µÁÙ£¬ÍùÍùÖ»ÊÇÒòΪÄã¶à¿´ÁËÒ»ÑÛ£¬¶àÏëÁËһϣ¬¶à×ßÁË.
4Â¥2011-10-24 21:01:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

seanhcs

ľ³æ (ÕýʽдÊÖ)

ÕâÑù°É£¬°·µÄÇâÔ­×Ó²»ÊôÓÚÎȶ¨ÇâÔ­×Ó£¬Äã°Ñº¬°·»ùµÄ»¯ºÏÎïÍêÕû·Ö×Óʽ¸æËßÎÒ£¬¼ÇסÊÇÍêÕû·Ö×Óʽ£¡ÕâÑù×Ó¿ÉÒÔÓÃÇâÆ×¡£»òÕßÒ²¿ÉÒÔÓÃ̼Æ×£¬ÒòΪ·´Ó¦¹ýºóÌí¼ÓÁËÒ»¸ö̼ԭ×ÓÂµ«ÊÇ̼Æ×±È½Ï·Ñʱ¼ä£¬²»ÈçÇâÆ×À´µÃ¿ì£¡
5Â¥2011-10-26 11:32:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

slg102

ľ³æ (СÓÐÃûÆø)

Âé·³£¬ÓÃÖÊÆ×¶¼±ÈºË´ÅÇ¿£¿
6Â¥2011-10-26 15:44:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xdz0703

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by seanhcs at 2011-10-26 11:32:17:
ÕâÑù°É£¬°·µÄÇâÔ­×Ó²»ÊôÓÚÎȶ¨ÇâÔ­×Ó£¬Äã°Ñº¬°·»ùµÄ»¯ºÏÎïÍêÕû·Ö×Óʽ¸æËßÎÒ£¬¼ÇסÊÇÍêÕû·Ö×Óʽ£¡ÕâÑù×Ó¿ÉÒÔÓÃÇâÆ×¡£»òÕßÒ²¿ÉÒÔÓÃ̼Æ×£¬ÒòΪ·´Ó¦¹ýºóÌí¼ÓÁËÒ»¸ö̼ԭ×ÓÂµ«ÊÇ̼Æ×±È½Ï·Ñʱ¼ä£¬²»ÈçÇâÆ×À´µÃ¿ì£¡

ÊÇѽ£¬Ì¼Æ×ÊDz»ÊÇÇ£Éæµ½Ò»ÏµÁеÄÁ¿Ö®¼äµÄ¹ØÏµ£¿ÏÈллÁË£¡
²®°·ÊÇ£ºNH2CH2CH2OH£»ÖÙ°·ÊÇNH£¨CH2CH2OH£©2£»Êå°·ÊÇN(CH2CH2OH)2
ÓÐЩÊ£¬Ã÷ÖªÊÇ´íµÄ£¬Ò²ÒªÈ¥¼á³Ö£¬ÒòΪ²»¸ÊÐÄ£»ÓÐʱºò£¬Ã÷֪û·ÁË£¬È´»¹ÔÚǰÐУ¬ÒòΪϰ¹ßÁË¡£ÐÒÔËÖ®ÉñµÄ½µÁÙ£¬ÍùÍùÖ»ÊÇÒòΪÄã¶à¿´ÁËÒ»ÑÛ£¬¶àÏëÁËһϣ¬¶à×ßÁË.
7Â¥2011-10-26 21:11:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xdz0703

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
6Â¥: Originally posted by slg102 at 2011-10-26 15:44:38:
Âé·³£¬ÓÃÖÊÆ×¶¼±ÈºË´ÅÇ¿£¿

Ö÷ÒªÕâÁ½ÖÖ±íÕ÷ÊÖ¶ÎÎÒ¶¼²»ÊìϤ£¬ËùÒÔÎÞÂÛÊÇÓÃÄÄÒ»¸ö¶¼±È½ÏÂé·³£¬ÎÒ¶¼ÒªÃþË÷Ìõ¼þ¡£ÖÊÆ×¶¨Á¿·ÖÎöÊDz»ÊÇÒªÇóÊÇ΢Á¿·ÖÎö£¿
ÓÐЩÊ£¬Ã÷ÖªÊÇ´íµÄ£¬Ò²ÒªÈ¥¼á³Ö£¬ÒòΪ²»¸ÊÐÄ£»ÓÐʱºò£¬Ã÷֪û·ÁË£¬È´»¹ÔÚǰÐУ¬ÒòΪϰ¹ßÁË¡£ÐÒÔËÖ®ÉñµÄ½µÁÙ£¬ÍùÍùÖ»ÊÇÒòΪÄã¶à¿´ÁËÒ»ÑÛ£¬¶àÏëÁËһϣ¬¶à×ßÁË.
8Â¥2011-10-26 21:16:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

seanhcs

ľ³æ (ÕýʽдÊÖ)

5Â¥µÄ˵µÃ¶Ô£¡Èç¹ûÓÐÖÊÆ×µÄ»°£¬ÖÊÆ×¸üÖ±½Ó£¬¿ÉÒÔÓÃÀ´¸ú×Ù·´Ó¦¡£Ò»µã¶¼²»Âé·³£¬ÑùÆ·²»ÐèÒªÌØ±ðµÄÒªÇ󣬸úÒºÏàÒ»Ñù´¦Àí¾Í¿ÉÒÔÁË¡£
9Â¥2011-10-27 09:47:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xdz0703 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 302·ÖÇóµ÷¼Á Ò»Ö¾Ô¸°²»Õ´óѧ085601 +8 zyxÉϰ¶£¡ 2026-04-04 8/400 2026-04-05 23:08 by lbsjt
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +8 19123253302 2026-04-05 8/400 2026-04-05 20:44 by ÄϺ½~ÍòÀÏʦ
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸Î÷ÄϽ»Í¨´óѧ085701»·¾³¹¤³Ì 282·Ö +7 ¶à¶à°®³Ôºº±¤ 2026-04-04 7/350 2026-04-05 19:47 by ¸£Å©×Ê»·_»·¾³»ù
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +6 ioodiiij 2026-04-04 6/300 2026-04-05 10:09 by guoweigw
[¿¼ÑÐ] µ÷¼ÁÇóÖú +10 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-02 13/650 2026-04-05 09:41 by sam3303
[¿¼ÑÐ] ²ÄÁϹ¤³Ì310ר˶µ÷¼Á +13 ÀÌÀÌÎÒ¡­. 2026-04-04 14/700 2026-04-05 09:01 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£´ó0705Çóµ÷¼Á +3 éÙʮһ 2026-04-02 4/200 2026-04-05 00:05 by chongya
[¿¼ÑÐ] 085601£¬Ò»Ö¾Ô¸Ïôó334¸´ÊÔ±»Ë¢Çóµ÷¼Á +13 ÔøÑöÖ® 2026-04-03 15/750 2026-04-04 20:13 by dongzh2009
[¿¼ÑÐ] [µ÷¼ÁÐÅÏ¢]085408¹âµçÐÅÏ¢ Çóµ÷¼Á ×Ü·Ö291·ÖÊýÒ»Ó¢Ò» +3 iz11az 2026-04-02 3/150 2026-04-04 19:09 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ±¾¿Æ985£¬×¨Òµ0812·Ö336Çóµ÷¼Á +4 ĪĪºÜÐÐ 2026-04-03 4/200 2026-04-03 21:31 by zhq0425
[¿¼ÑÐ] Çóµ÷¼Á +3 usbdndj 2026-04-03 3/150 2026-04-03 14:10 by dxiaoxin
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-03 4/200 2026-04-03 13:28 by jiouuu
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ£¬085600£¬344 +7 κ×Óper 2026-04-02 8/400 2026-04-02 21:12 by °ÙÁéͯ888
[¿¼ÑÐ] 08ÉúÎïÓëҽҩר˶³õÊÔ346ÕÒµ÷¼Á +6 dianeeee 2026-04-01 7/350 2026-04-02 08:23 by guoweigw
[¿¼ÑÐ] 085602»¯Ñ§¹¤³Ì268·Ö¶×µ÷¼Á +8 ÔÂÕÕ»¨ÁÖ¡£ 2026-04-01 8/400 2026-04-01 22:08 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] µ÷¼ÁÉêÇë +8 ÕÅÕÅÕÅÕÅzy 2026-03-31 9/450 2026-04-01 08:29 by zjbkx
[¿¼ÑÐ] 254²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +3 º²¶¬ÁÖéª 2026-03-30 4/200 2026-03-31 17:53 by yishunmin
[¿¼ÑÐ] ÎïÀíѧµ÷¼Á +4 СÑò36 2026-03-30 4/200 2026-03-31 16:16 by lishahe
[¿¼ÑÐ] 313Çóµ÷¼Á +6 Âô¸ö¹Ø×Ó°É 2026-03-31 6/300 2026-03-31 10:58 by Jaylen.
[¿¼ÑÐ] ±§Ç¸ +3 ÌïºéÓÐ 2026-03-30 3/150 2026-03-30 19:11 by ÃÔºýCCPs
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û