Znn3bq.jpeg
²é¿´: 598  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

aslh

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖú·­Òë

4,4-dimethylenebiphenyldiphosphonic acid was pre-pared by hydrolyzing 4,4
-bis-(diethoxyphosphono-methyl)-diphenyl with concentrated hydrochloric acid
for 96 h under refluxing.
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

just believe yourself£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

t111g111h

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï
zhtear99: ½ð±Ò+4, ¸ÐлÈÈÐÄÓ¦Öú£¬Ð¡ºì°üһö~»¶Ó­³£À´~~ 2013-01-07 10:11:18
4,4-dimethylenebiphenyldiphosphonic acid Ó¦¸ÃÊÇ4£¬4-¶þÑǼ׻ù¶þ±½»ù¶þÁ×Ë᣻
4,4-bis-(diethoxyphosphono-methyl)-diphenyl Ó¦¸ÃÊÇ4£¬4-¶þ-£¨Á×Ëá¶þÒÒÖ¬-¼×»ù£©-Áª±½
´¿×ÖÃæ·­Òë
4Â¥2013-01-05 11:32:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

ÀîÊÏÊÏ

½û³æ (ÕýʽдÊÖ)

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhtear99: ½ð±Ò+1, ¸ÐлÈÈÐÄÓ¦Öú£¬»¶Ó­³£À´~ 2013-01-02 18:04:03
aslh: ½ð±Ò+1, ÎÒÖ÷ÒªÊÇÏëÖªµÀÓ¢ÎÄÎïÖʵľßÌåÃû³Æ 2013-01-02 18:16:10
±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2013-01-02 14:13:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

aslh

Ìú³æ (СÓÐÃûÆø)

ÎÒÏëÖªµÀÄǸöÓ¢ÎĵÄÎïÖʾßÌåÊÇʲô
just believe yourself£¡
3Â¥2013-01-02 18:14:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ 0855 »úе 286 Çóµ÷¼Á +10 ²»»á³ÔÈâ 2026-04-12 10/500 2026-04-12 22:51 by ÁãÁã¶þ
[¿¼ÑÐ] ²ÄÁÏ085601µ÷¼Á +27 ºÎÈó²É123 2026-04-10 29/1450 2026-04-12 22:31 by fqwang
[¿¼ÑÐ] 291Çóµ÷¼Á +11 ¹ØÒä±±. 2026-04-09 12/600 2026-04-12 10:32 by ÄæË®³Ë·ç
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 ban°àСÆß 2026-04-11 3/150 2026-04-11 20:48 by may_ÐÂÓî
[¿¼ÑÐ] µç×ÓÐÅÏ¢279Çóµ÷¼Á£¬ÓÐÊé¶Á¾ÍÐÐ +8 wwwooden 2026-04-08 11/550 2026-04-11 20:22 by cq2548
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á ¿Éµ÷¼Áµ½ÉúÎïÓëÒ½Ò© +8 ÀîÕþÓ¨ 2026-04-06 9/450 2026-04-11 10:36 by wwj2530616
[¿¼ÑÐ] »úеר˶270Çóµ÷¼Á£¬½ÓÊÜ¿çרҵ +12 ÀÏʦ¿´¿´ÎÒ°Éaba 2026-04-09 14/700 2026-04-11 10:21 by laoshidan
[¿¼ÑÐ] 342µç×ÓÐÅϢר˶Çóµ÷¼Á +9 ÄãÈÃÎÒÔõôÀóÖ¦ 2026-04-10 10/500 2026-04-11 08:33 by zhq0425
[¿¼ÑÐ] ÉúÎïѧ308Çóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-04-10 6/300 2026-04-11 05:23 by zhuwenxu
[¿¼ÑÐ] 085404 298·ÖÇóµ÷¼Á +10 ºôÀ²ºôÀ²ºôºôºô 2026-04-10 11/550 2026-04-10 16:44 by wangy0907
[¿¼ÑÐ] 273Çóµ÷¼Á +51 ÂóС¶£µ± 2026-04-06 58/2900 2026-04-10 15:54 by jiajinhpu
[¿¼ÑÐ] ²ÄÁÏר˶³õÊÔ·Ö332Ò»Ö¾Ô¸Î÷±±¹¤Òµ´óѧ£¬ +12 ¹ÊÈË?? 2026-04-09 12/600 2026-04-09 18:34 by Ccclqqq
[¿¼ÑÐ] 086004 Çóµ÷¼Á 309 +7 Yin DY 2026-04-08 7/350 2026-04-09 13:59 by Delta2012
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐÇóµ÷¼Á×Ü·Ö280 +30 mkjlz1 2026-04-06 35/1750 2026-04-08 21:25 by cyh¡ª315
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó£¬³õÊÔ329£¬Çó»·¾³¿ÆÑ§Ó빤³Ìµ÷¼Á£¡ +11 ÓàδÐÁ 2026-04-06 11/550 2026-04-08 15:21 by screening
[¿¼ÑÐ] Çóµ÷¼Á +15 ÐܶþÏëÉϰ¶ 2026-04-06 15/750 2026-04-08 04:53 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 277¡¢Ñ§Ë¶£¬Çóµ÷¼Á ÊýÒ»104£¬ +11 Æ¿×ÓPZ 2026-04-07 12/600 2026-04-07 23:30 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] ¼ÆËã»ú11408 287 Çóµ÷¼Á +3 LiLe5 2026-04-07 3/150 2026-04-07 23:15 by shanqishi
[¿¼ÑÐ] 071000ÉúÎïѧ£¬Ò»Ö¾Ô¸ÉîÛÚ´óѧ296·Ö£¬Çóµ÷¼Á +12 TIckLw 2026-04-06 13/650 2026-04-07 20:34 by lijunpoly
[¿¼ÑÐ] ÐŹ¤Ëù11408 340·Ö ±¾¿ÆÎ÷°²½»´ó×Ô¶¯»¯ +3 moontrek 2026-04-06 3/150 2026-04-07 09:56 by chongya
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û