24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1617  |  »Ø¸´: 5

·¨¹Ùliu

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] ͶÁËRSC Adv Éó¸åÈËÈÏΪ0.07µÄR value¹ý¸ß£¬ÈçºÎ½âÊÍ£¿ÇóÖú ÒÑÓÐ1È˲ÎÓë

Éó¸åÈËÔ­»°ÈçÏÂ
In the section on X-ray crystallography, why did dichlormethane take 7days to evaporate at room temperature? Also the R values for refinement of the crystal structure (0.07) is too high. Typically the R factor should be less than 3%.
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

xiaochong98

ľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÓÉÓÚ²ÉÓ÷â¿ÚÄ£·â¿Ú£¬²¢·Ç³¨¿ª»Ó·¢£¬¹Ê²ÉÓÃ7Ì죬
¾§ÌåÖÊÁ¿ÈçºÎ£¬Ð¡·Ö×ӵľ§ÌåÔÚ0.07ºÜÕý³££¬Äã¿ÉÒÔ´Ó¾§ÌåÖÊÁ¿¡¢Îȶ¨ÐԵȷ½ÃæÀ´½âÊÍ£¬
±±¾©ÈË
2Â¥2014-08-29 10:17:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

·¨¹Ùliu

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by xiaochong98 at 2014-08-29 10:17:34
ÓÉÓÚ²ÉÓ÷â¿ÚÄ£·â¿Ú£¬²¢·Ç³¨¿ª»Ó·¢£¬¹Ê²ÉÓÃ7Ì죬
¾§ÌåÖÊÁ¿ÈçºÎ£¬Ð¡·Ö×ӵľ§ÌåÔÚ0.07ºÜÕý³££¬Äã¿ÉÒÔ´Ó¾§ÌåÖÊÁ¿¡¢Îȶ¨ÐԵȷ½ÃæÀ´½âÊÍ£¬

ÇëÎʾ§ÌåÖÊÁ¿ºÍÎȶ¨ÐÔÊÇÓÉÄÄЩ²ÎÊý±íÊöµÄ£¬ÎÒ¶Ôµ¥¾§Ã»Ê²Ã´Àí½â£¬Ö»ÖªµÀÊDZíÕ÷ÁËÎҵĽṹ£¬Âé·³´óÏÀÖ¸µãÏ£¬Íò·Ö¸Ðл£¡

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
3Â¥2014-08-29 10:37:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaochong98

ľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
·¨¹Ùliu: ½ð±Ò+20, ·Ç³£¸Ðл£¬ÄǸöRIntÔÚÄĸöÎļþ£¬ºÃÏñÒ»Ö±ÕÒ²»µ½£¿ 2014-08-31 11:43:38
Ê×ÏÈÊǾ§Ìå³ß´çÊÇ·ñ×ã¹»´ó£¬¶þÊǾ§ÌåÑÜÉäÄÜÁ¦ÊÇ·ñ×ã¹»£¬¿´Ò»ÏÂRIntÊýÖµÊÇ·ñÌ«´ó£¬¾§ÌåÔÚ¿ÕÆøÖÐÄÜ·ñÎȶ¨±£Ö¤Êý¾ÝÊÕ¼¯Íê³É£¬ÄãÈç¹ûÊÇÅäºÏÎïµÄ»°Óеã´ó£¬ÈôÊÇÓлú·Ö×ÓÕâ¸öÖµÊÇ¿ÉÒÔ½ÓÊܵġ£

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

±±¾©ÈË
4Â¥2014-08-30 11:00:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

·¨¹Ùliu

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
4Â¥: Originally posted by xiaochong98 at 2014-08-30 11:00:46
Ê×ÏÈÊǾ§Ìå³ß´çÊÇ·ñ×ã¹»´ó£¬¶þÊǾ§ÌåÑÜÉäÄÜÁ¦ÊÇ·ñ×ã¹»£¬¿´Ò»ÏÂRIntÊýÖµÊÇ·ñÌ«´ó£¬¾§ÌåÔÚ¿ÕÆøÖÐÄÜ·ñÎȶ¨±£Ö¤Êý¾ÝÊÕ¼¯Íê³É£¬ÄãÈç¹ûÊÇÅäºÏÎïµÄ»°Óеã´ó£¬ÈôÊÇÓлú·Ö×ÓÕâ¸öÖµÊÇ¿ÉÒÔ½ÓÊܵġ£
...

»¹ÏëÇë½ÌÄú¼¸¸öÎÊÌ⣬Îҵľ§ÌåÊÇС·Ö×Ó£¬´óСÊÇ9.774(2) 9.830(2) 9.908(2)  ²»ÖªµÀÊÇ·ñ×ã¹»´ó£¬²»¹ýÎÒ¿´¾§ÐÍ»¹ÊÇÂù´óµÄ£¿
²é¿´ÁËÏÂRintÖµÊÇ0.087£¬²»ÖªµÀÊÇ·ñ×㹻С£¿
ÔÚ¿ÕÆøÖÐÊÇÎȶ¨µÄ
ÕâÑù×ã¹»½âÊÍÎҵĵ¥¾§RֵΪ0.07Âð£¿
ÁíÍâÌØ±ðÏëÇë½Ì£¬Õâ¸öRÖµµ½µ×ÄÜ˵Ã÷ʲô°¡£¬Ì«´óÁËÄÜ˵Ã÷ʲôÎÊÌ⣿
ÎÒÕæµÄÊDz»Ì«Ã÷°×µ¥¾§£¬Ã»Ñ¡Õâ¸ö¿Î£¬ËùÒÔºÜС°×£¬¿ÒÇëÄúÄÜÖ¸½ÌÏ£¡
5Â¥2014-09-15 19:14:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

546672286

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by ·¨¹Ùliu at 2014-09-15 19:14:09
»¹ÏëÇë½ÌÄú¼¸¸öÎÊÌ⣬Îҵľ§ÌåÊÇС·Ö×Ó£¬´óСÊÇ9.774(2) 9.830(2) 9.908(2)  ²»ÖªµÀÊÇ·ñ×ã¹»´ó£¬²»¹ýÎÒ¿´¾§ÐÍ»¹ÊÇÂù´óµÄ£¿
²é¿´ÁËÏÂRintÖµÊÇ0.087£¬²»ÖªµÀÊÇ·ñ×㹻С£¿
ÔÚ¿ÕÆøÖÐÊÇÎȶ¨µÄ
ÕâÑù×ã¹»½âÊÍÎҵĵ¥¾§ ...

ÅóÓÑ£¬ÄãºÃ£¬¾§ÌåµÄRÖµ½Ï¸ß£¬Õâ¸öÎÊÌâ½â¾öÁËÂð£¿
6Â¥2015-08-20 16:05:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ·¨¹Ùliu µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] 2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË +19 ÑòÑü°å 2026-08-21 22/1100 2026-08-25 10:38 by popular289
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +3 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 3/150 2026-08-25 10:35 by shisan1313
[»ù½ðÉêÇë] ½ñÌì»ù½ð»á³ö½á¹ûÂð£¿20260819 +17 kkkl_v 2026-08-19 18/900 2026-08-25 09:41 by windflowerwy
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +5 chengyan1220 2026-08-23 5/250 2026-08-24 23:28 by ÎÒ4´ó°×²Ë
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +7 scalable 2026-08-24 7/350 2026-08-24 23:01 by anata1209
[»ù½ðÉêÇë] ûÓÐÈκÎÏûÏ¢-ÊDz»ÊǾÍÁ¹ÁË +7 ͼÀ²Í¼À² 2026-08-24 8/400 2026-08-24 22:00 by maomao_da
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +10 fansofjerry 2026-08-21 10/500 2026-08-24 21:03 by zhanghaozhu
[»ù½ðÉêÇë] filecode£¬4¸öjtjcÁË +14 ziyangfang 2026-08-19 17/850 2026-08-24 18:37 by ¹þ¹þ¸ò£¿
[»ù½ðÉêÇë] ¹À¼ÆÊÇÖÜËÄ +4 archvillain 2026-08-18 4/200 2026-08-24 13:53 by zzuzxg
[»ù½ðÉêÇë] ÅóÓÑȦ¿´µ½µÄ +7 wangzilk 2026-08-18 9/450 2026-08-24 10:50 by cmrandy
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+15 ²¼²¼ºÍÒ»¶þ 2026-08-19 16/800 2026-08-23 09:55 by ÕÅ´ºÉú
[»ù½ðÉêÇë] ʱ¼ä´Á½ñÌ죬20ºÅ±äÁË +5 archvillain 2026-08-20 5/250 2026-08-22 06:12 by hui_daxiao
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] Ã÷Ìì·Å°ñ£¿ +5 Shxjjxjkx 2026-08-18 5/250 2026-08-18 18:14 by -´ó´ó´ó´ó´ó-
[»ù½ðÉêÇë] ½ñÌìά»¤ÏµÍ³Î¬»¤ ×£ËùÓÐÈË ¸ßÖÐ +8 gjjjzhong 2026-08-18 9/450 2026-08-18 13:01 by ¼ÒÓëÔ¶·½
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û