Znn3bq.jpeg
²é¿´: 1011  |  »Ø¸´: 1

chengchmail

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] Pb2O3ÖÐPbµÄ¼Û̬£¿

Pb2O3ÖÐPbµÄ¼Û̬¶àÉÙ£¿¿ÉÒÔ¿´×öpbo2.pboÂð£¿
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

¿Æ¼¼

» ²ÂÄãϲ»¶

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

jiagle

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
chengchmail: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ¶àл£¡ 2012-12-09 22:17:47
fds329: ½ð±Ò+2, ¸ÐлӦÖú¡£ÐÁ¿àÁËO(¡É_¡É)O 2012-12-14 08:16:34
PbµÄ¼Ûµç×ӽṹÊÇ6s2 6p2£¬ËùÒÔÆä»¯ºÏ¼ÛÖ»ÄÜÊÇ+2ºÍ+4£¬Òò´Ë£¬Pb2O3 = PbO. PbO2ÊǶԵġ£
2Â¥2012-12-09 19:23:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ chengchmail µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§Ñ§Ë¶£¬310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +15 ŬÁ¦·Ü¶·112 2026-04-06 17/850 2026-04-08 22:27 by ¿­¿­Òª±ä˧
[¿¼²©] ²ÄÁÏ·½Ïò¿¼²©£¬ÇóÍÆ¼ö +3 ÑÔÓïaaa 2026-04-05 4/200 2026-04-08 22:22 by nxgogo
[¿¼ÑÐ] 298Çóµ÷¼Á +4 ²ÐºÉÐÂÁø 2026-04-07 4/200 2026-04-07 23:02 by lbsjt
[¿¼ÑÐ] 344Çóµ÷¼Á +11 κ×Óper 2026-04-07 11/550 2026-04-07 23:01 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤085600£¬Çóµ÷¼Á +34 ³ÔµÄ²»ÉÙ 2026-04-02 34/1700 2026-04-07 20:01 by lrll?l
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +12 Ò»ÑùYWY 2026-04-02 14/700 2026-04-07 12:52 by Sammy2
[¿¼ÑÐ] 319·Ö085702°²È«¹¤³ÌÇóµ÷¼Á +6 rious 2026-04-05 6/300 2026-04-07 09:42 by jp9609
[¿¼ÑÐ] ¹¤¿Æ 22408 267ÇóÍÆ¼ö +4 wanwan00 2026-04-05 5/250 2026-04-06 22:47 by chenzhimin
[¿¼ÑÐ] Çóµ÷¼Á +5 С›g 2026-04-03 5/250 2026-04-06 22:45 by 875465
[¿¼ÑÐ] 285Çóµ÷¼Á +5 mapmath 2026-04-06 6/300 2026-04-06 17:18 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +12 lyz0427 2026-04-03 12/600 2026-04-06 06:37 by houyaoxu
[¿¼ÑÐ] 085600µ÷¼Á +4 1amJJ 2026-04-02 4/200 2026-04-04 21:53 by hemengdong
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +23 ²×º£ÇáÖÛe 2026-04-02 27/1350 2026-04-04 21:52 by laoshidan
[¿¼ÑÐ] 283·ÖÇóµ÷¼Á +7 СÄô°®Ñ§Ï° 2026-04-03 7/350 2026-04-04 21:51 by hemengdong
[¿¼ÑÐ] 277Çóµ÷¼Á +4 12A3 2026-04-02 5/250 2026-04-04 20:28 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] 303Çóµ÷¼Á +3 һɫÇåÓð 2026-04-02 4/200 2026-04-03 10:22 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õ´óѧ0817»¯Ñ§¹¤³ÌÓë¼¼Êõ£¬Çóµ÷¼Á +14 ÎÒ²»ÊÇÖ»Òò 2026-04-02 15/750 2026-04-03 09:49 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 296Çóµ÷¼Á +4 sdhu 2026-04-02 4/200 2026-04-02 21:29 by baoball
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û