²é¿´: 846  |  »Ø¸´: 4

286953587

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] ÃÀ¹úÒ©µäΪʲôд³ÉÕâÑù¡£¡£¡££¿ ÒÑÓÐ1È˲ÎÓë

¸÷λºÃÓÑÇëÔ­ÁÂÎÒ±êÌâµ³¡£¡£¡£Ð»Ð»
ÏÂÎÄÊÇÃÀ¹úÒ©µä35°æ£¬µØÈûÃ×ËÉÆ¬Èܳö¶È²â¶¨£¬ÎÒ¿´µÃ²»ÊǺÜÃ÷°×£¬Çó·­Òëһϣ¬Ð»Ð»

Procedure¡ªExtract a filtered aliquot of  Dissolution Medium£¬equivalent to about 200  ¦Ìg of dexamethasone, with three 15mL portions of chloroform. Evaporate the combined chloroform extracts on a steam bath just to dr yness, cool, and dissolve the residue in 20 mL of alcohol. Proceed as directed for  Procedure under Assay for Steroids 〈351〉, except to allow to stand in the dark for 45 minutes. Calculate the portion, in mg, of C 22H29FO5 dissolved by the formula:
                                  10£¨C/V)(Au/As)
in which V is the volume, in mL, of the aliquot extracted with chloroform.
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

¼á³Ö¾Í»á³É¹¦
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

286953587

Ìú³æ (СÓÐÃûÆø)

Çó·­Òë

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
¼á³Ö¾Í»á³É¹¦
2Â¥2013-12-23 09:04:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ß÷ß÷Óëßãßã

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Òª°ÑÉú»î¹ý³ÉÊ«ºÍÔ¶·½

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²Ù×÷£ºÈ¡¹ýÂ˺óµÄÈܳöÑùÆ·ÊÊÁ¿£¬Ô¼200΢¿ËµØÈûÃ×ËÉ£¬ÓÃ15mLÂÈ·ÂÝÍÈ¡Èý´Î£¨3¸ö15ml£©¡£ºÏ²¢ÝÍȡҺ£¬ÐýÕôµÃµ½¸ÉÔïÎÀäÈ´£¬ÓÃ20ºÁÉýÒÒ´¼¸´ÈÜ¡£ÆäÓà²Ù×÷Çë²ÎÕÕÀà¹Ì´¼·ÖÎö²½Öè<351>£¨³ýÁ˲»Óþ²ÖÃÔÚºÚ°µÖÐ45·ÖÖÓ£©¡£ÒÔmgΪµ¥Î»¼ÆË㣬µØÈûÃ×ËÉC22H29FO5Èܽâ¶ÈΪ£º
                                  10£¨C / V£©£¨Au/ As£©
ÆäÖУ¬VÊÇÌå»ý(ÒÔmLΪµ¥Î»£©£¬ÊÇÖ¸ÓÃÂÈ·ÂÝÍÈ¡µÃµ½µÄºÏ²¢Ìå»ý¡£
ÉúÃü²»Ï¢£¬·Ü¶·²»Ö¹
3Â¥2013-12-23 12:52:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

286953587

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by ß÷ß÷Óëßãßã at 2013-12-23 12:52:28
²Ù×÷£ºÈ¡¹ýÂ˺óµÄÈܳöÑùÆ·ÊÊÁ¿£¬Ô¼200΢¿ËµØÈûÃ×ËÉ£¬ÓÃ15mLÂÈ·ÂÝÍÈ¡Èý´Î£¨3¸ö15ml£©¡£ºÏ²¢ÝÍȡҺ£¬ÐýÕôµÃµ½¸ÉÔïÎÀäÈ´£¬ÓÃ20ºÁÉýÒÒ´¼¸´ÈÜ¡£ÆäÓà²Ù×÷Çë²ÎÕÕÀà¹Ì´¼·ÖÎö²½Öè<351>£¨³ýÁ˲»Óþ²ÖÃÔÚºÚ°µÖÐ45·ÖÖÓ ...

Íò·Ö¸Ðл¡£¡£¡£¡£Ô¸Éú»î¿ªÐÄ£¬ÉíÌ彡¿µ£¡
¼á³Ö¾Í»á³É¹¦
4Â¥2013-12-23 22:18:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ß÷ß÷Óëßãßã

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Òª°ÑÉú»î¹ý³ÉÊ«ºÍÔ¶·½

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÇóÉͽð±ÒÄØ¡£¡£¡£O(¡É_¡É)O~
ÉúÃü²»Ï¢£¬·Ü¶·²»Ö¹
5Â¥2013-12-28 09:58:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ 286953587 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 308Çóµ÷¼Á +3 īīĮ 2026-03-21 3/150 2026-03-22 16:54 by i_cooler
[¿¼ÑÐ] »·¾³Ñ§Ë¶288Çóµ÷¼Á +6 ƤƤƤ123456 2026-03-22 6/300 2026-03-22 16:52 by i_cooler
[¿¼ÑÐ] 324Çóµ÷¼Á +6 luckyѽѽѽѼ 2026-03-20 6/300 2026-03-22 16:01 by ColorlessPI
[¿¼ÑÐ] ÄÜÔ´²ÄÁÏ»¯Ñ§¿ÎÌâ×éÕÐÊÕ˶ʿÑо¿Éú8-10Ãû +5 ÍÑÓ±¶ø³ö 2026-03-16 17/850 2026-03-22 15:18 by ÍÑÓ±¶ø³ö
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤306 +4 z1z2z3879 2026-03-21 4/200 2026-03-21 23:44 by ms629
[¿¼ÑÐ] ¡¾¿¼Ñе÷¼Á¡¿»¯Ñ§×¨Òµ 281·Ö£¬Ò»Ö¾Ô¸ËÄ´¨´óѧ£¬³ÏÐÄÇóµ÷¼Á +11 ³Ô³Ô³Ô²ÅÓÐÒâÒå 2026-03-19 11/550 2026-03-21 18:23 by ѧԱ8dgXkO
[¿¼ÑÐ] 302Çóµ÷¼Á +12 ºôºôºô¡£¡£¡£¡£ 2026-03-17 12/600 2026-03-21 17:29 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼Á +3 .m.. 2026-03-21 4/200 2026-03-21 16:25 by barlinike
[»ù½ðÉêÇë] ѧУÒѾ­Ìá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂ𣿠40+4 babangida 2026-03-19 9/450 2026-03-21 16:12 by babangida
[¿¼ÑÐ] 310Çóµ÷¼Á +3 baibai1314 2026-03-16 3/150 2026-03-21 03:56 by JourneyLucky
[¿¼ÑÐ] 303Çóµ÷¼Á +5 î£08 2026-03-17 7/350 2026-03-21 03:11 by JourneyLucky
[¿¼ÑÐ] ³õʼ318·ÖÇóµ÷¼Á£¨Óй¤×÷¾­Ñ飩 +3 1911236844 2026-03-17 3/150 2026-03-21 02:33 by JourneyLucky
[¿¼ÑÐ] »¯Ñ§Çóµ÷¼Á +4 ÁÙÔó¾³llllll 2026-03-17 5/250 2026-03-21 02:23 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ´ó 070300£¨»¯Ñ§£©304·ÖÇóµ÷¼Á +3 0703ÎäÜ·»ÛÑ©304 2026-03-18 3/150 2026-03-21 00:48 by JourneyLucky
[¿¼ÑÐ] ±±¿Æ281ѧ˶²ÄÁÏÇóµ÷¼Á +5 tcxiaoxx 2026-03-20 5/250 2026-03-20 21:35 by laoshidan
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 324·Ö +10 llllkkkhh 2026-03-18 12/600 2026-03-19 14:33 by llllkkkhh
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[¿¼ÑÐ] 283Çóµ÷¼Á +3 Ìý·ç¾ÍÊÇÓꣻ 2026-03-16 3/150 2026-03-17 07:41 by ÈÈÇéɳĮ
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ÎÄ˼¿Í 2026-03-16 7/350 2026-03-16 18:21 by ÎÄ˼¿Í
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û