²é¿´: 775  |  »Ø¸´: 4

wudiliuyisi

ľ³æ (ÖøÃûдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿ÇèÒÒËáÄÆ×ª»¯Îª±û¶þËáÄÆµÄ·´Ó¦»úÀí

CNCH2COONa+NaOH+H2O------CH2£¨COONa)2
·´Ó¦µÄ¾ßÌå»úÀí
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

mynab

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

Õâ¸ö»¹Òª¿´»úÀíÂð
2Â¥2010-08-12 22:35:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

beyond585

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¼ÓÓÍ
3Â¥2010-08-14 04:45:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

TJQFlY

Òø³æ (СÓÐÃûÆø)

ÏÈË®½â°Ñ£¬ÔÚ¼îÐÔÌõ¼þÏÂË®½â£¬Èúó¾ÍÖªµÀÁËɶ¡£Éú³ÉÑΡ£
4Â¥2010-09-10 16:26:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÎÞ±¾Ö®ÄÁ

Í­³æ (СÓÐÃûÆø)

¡ªCNË®½â³É¡ªCOOH£¬È»ºóÉú³ÉÄÆÑÎ
ÎÒÒªÎÒµÄÉúÃü¸ü¾«²Ê
5Â¥2010-09-11 02:16:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ wudiliuyisi µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸985£¬±¾¿Æ211£¬0817»¯Ñ§¹¤³ÌÓë¼¼Êõ319Çóµ÷¼Á +10 Liwangman 2026-03-15 10/500 2026-03-19 10:25 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 267Ò»Ö¾Ô¸ÄϾ©¹¤Òµ´óѧ0817»¯¹¤Çóµ÷¼Á +10 SUICHILD 2026-03-12 10/500 2026-03-19 09:51 by Delta2012
[¿¼ÑÐ] 0817 »¯Ñ§¹¤³Ì 299·ÖÇóµ÷¼Á ÓпÆÑо­Àú ÓжþÇøÎÄÕ +9 rare12345 2026-03-18 9/450 2026-03-19 09:46 by 30660438
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çó¸÷λÀÏʦÊÕÁô +10 ÇïÓÐľ±± 2026-03-14 10/500 2026-03-19 05:52 by anny19840123
[¿¼ÑÐ] 311Çóµ÷¼Á +11 ¶¬Ê®Èý 2026-03-15 12/600 2026-03-18 14:36 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +6 Ľº®mio 2026-03-16 6/300 2026-03-18 14:26 by 007_lilei
[¿¼²©] »·¾³ÁìÓòÈ«¹úÖØµãʵÑéÊÒÕÐÊÕ²©Ê¿1-2Ãû +3 QGZDSYS 2026-03-13 5/250 2026-03-18 11:13 by QGZDSYS
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÀäóÏ123 2026-03-17 3/150 2026-03-18 09:55 by macy2011
[¿¼ÑÐ] 085601Çóµ÷¼Á +4 Du.11 2026-03-16 4/200 2026-03-17 17:08 by ruiyingmiao
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] 326Çóµ÷¼Á +3 mlpqaz03 2026-03-15 3/150 2026-03-16 07:33 by Iveryant
[¿¼ÑÐ] 26¿¼ÑÐÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ(»ª¶«)305·ÖÇóµ÷¼Á +3 ¼ÎÄêÐÂ³Ì 2026-03-15 3/150 2026-03-15 13:58 by ¹þ¹þ¹þ¹þºÙºÙºÙ
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ì315·ÖÇóµ÷¼Á +3 yang_0104 2026-03-15 3/150 2026-03-15 10:58 by peike
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 323 Ó¢Ò»+Êý¶þ+Îﻯ£¬Ò»Ö¾Ô¸£º¹þ¹¤´ó ±¾È˱¾¿ÆË«Ò»Á÷ +4 ×ÔÓɵÄ_·ÉÏè 2026-03-13 5/250 2026-03-14 19:39 by hmn_wj
[¿¼ÑÐ] Öпƴó²ÄÁÏר˶319Çóµ÷¼Á +3 ÃÏöβÄÁÏ 2026-03-13 3/150 2026-03-14 18:10 by houyaoxu
[¿¼ÑÐ] ²ÄÁÏ080500µ÷¼ÁÇóÊÕÁô +3 Ò»¿Åmeteor 2026-03-13 3/150 2026-03-14 10:54 by peike
[¿¼ÑÐ] 304Çóµ÷¼Á +7 7712b 2026-03-13 7/350 2026-03-13 21:42 by peike
[¿¼ÑÐ] 329Çóµ÷¼Á +3 miaodesi 2026-03-12 4/200 2026-03-13 20:53 by 18595523086
[¿¼ÑÐ] 274Çóµ÷¼Á +3 S.H1 2026-03-12 3/150 2026-03-13 15:15 by JourneyLucky
[¿¼ÑÐ] 290Çóµ÷¼Á +3 ADT 2026-03-13 3/150 2026-03-13 10:19 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û