Znn3bq.jpeg
²é¿´: 448  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

pengpengppp

ľ³æ (СÓÐÃûÆø)

³¬¼¶´ó°æÖ÷

[½»Á÷] ÇóÖú~~ÏõËáÈܽâ¸ÖÑùÄÜ·ñ½«¸õÑõ»¯³ÉÁù¼Û£¿¼±£¡

ÏõËáÈܽâ¸ÖÑùÄÜ·ñ½«¸õÑõ»¯³ÉÁù¼Û£¿¼±£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

100¡æµÄ±ùµã
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ru0629

½ð³æ (ÕýʽдÊÖ)

¡ï
dnp(½ð±Ò+0,VIP+0):thanks ^_^
dnp(½ð±Ò+1,VIP+0):½ð±Ò²¹ÉÏ¡­¡­^_^
Nitric  is  alsoan oxidant but not enough to oxidize  cr 3 to cr6 .
The color from your etching solution must be Fe 2 (green)--> Fe 3 (brown).
3Â¥2008-04-18 09:29:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

mgli

Òø³æ (ÕýʽдÊÖ)

²»Ðеİɣ¬Áù¼Û¸õÔÚËáÐÔÌõ¼þÏÂÑõ»¯ÐÔÏ൱ǿ
ÐÁÇڵعàË®
2Â¥2008-04-17 14:32:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

retyty

½ð³æ (СÓÐÃûÆø)

´ÓÑõ»¯»¹Ô­µç¼«µçÊÆµÄ½Ç¶ÈÀ´¿´£¬ÓÃÏõËáÀ´×÷Ñõ»¯¼ÁÕâ¸öÑõ»¯·´Ó¦Ö»Äܵ½Èý¼Û¸õ£¬µ½²»ÁËÁù¼Û¸õ£¬²»ÖªµÀÄãµÄÄ¿±êÊÇÏëÑõ»¯³ÉÈý¼Û»¹ÊÇÁù¼Û¡£ºÇºÇ
4Â¥2008-04-19 11:09:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 303Çóµ÷¼Á +7 SereinQ 2026-04-10 8/400 2026-04-10 21:08 by gong120082
[¿¼ÑÐ] 326Çóµ÷¼Á +3 Shansyn 2026-04-10 3/150 2026-04-10 15:34 by hemengdong
[¿¼ÑÐ] 342µç×ÓÐÅϢר˶Çóµ÷¼Á +7 ÄãÈÃÎÒÔõôÀóÖ¦ 2026-04-10 8/400 2026-04-10 15:17 by hemengdong
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 hzhahg 2026-04-06 5/250 2026-04-10 10:10 by may_ÐÂÓî
[¿¼ÑÐ] 085404£¬285·ÖÇóµ÷¼Á +12 Þ±Þ±¿¼ÑÐ 2026-04-07 14/700 2026-04-09 23:10 by parmtree
[¿¼ÑÐ] 334Çóµ÷¼Á +16 Riot2025 2026-04-08 17/850 2026-04-09 09:28 by wdyheheeh
[¿¼ÑÐ] 308Çóµ÷¼Á +17 īīĮ 2026-04-06 17/850 2026-04-09 09:25 by Ò¼ÍùŸoǰ
[¿¼ÑÐ] Ò»Ö¾Ô¸985³õÊÔ354·ÖÉúÎïµ÷¼Á +3 031001 2026-04-06 3/150 2026-04-09 00:30 by Evan_Liu
[¿¼ÑÐ] 298Çóµ÷¼Á +4 manman511 2026-04-05 4/200 2026-04-08 16:50 by tjzhao
[¿¼ÑÐ] 344Çóµ÷¼Á +11 κ×Óper 2026-04-07 11/550 2026-04-07 23:01 by JourneyLucky
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] 085405Èí¼þ¹¤³Ì301·ÖÇóµ÷¼Á£¬×¨Ë¶¿É¿çרҵ£¬ËÄÁù¼¶Òѹý +3 ¾²¾²ÏëÏë 2026-04-05 3/150 2026-04-06 15:23 by nepu_uu
[¿¼ÑÐ] 0703Çóµ÷¼Á383·Ö +9 W55j 2026-04-03 9/450 2026-04-06 06:50 by houyaoxu
[¿¼ÑÐ] »¯Ñ§357·Ö£¬¿¼Ñе÷¼Á +11 .Starry. 2026-04-04 12/600 2026-04-06 06:28 by houyaoxu
[¿¼ÑÐ] ¿¼Ñе÷¼ÁÉúѰÕÒµ¼Ê¦ +3 ¹ËÕ°¿¼Ñа¡ 2026-04-05 3/150 2026-04-05 18:18 by à£à£à£0119
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +6 cs0106 2026-04-05 6/300 2026-04-05 16:34 by imissbao
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ£¬³õÊԳɼ¨350Çóµ÷¼Á +9 ÑØ°¶?±´¿Ç 2026-04-04 14/700 2026-04-05 01:09 by ÑØ°¶?±´¿Ç
[¿¼ÑÐ] ¿¼Ñе÷¼Á +5 ËÄ´¨ÍõÌÎ 2026-04-04 5/250 2026-04-04 22:18 by à£à£à£0119
[¿¼ÑÐ] ²ÄÁÏ383Çóµ÷¼Á +5 ¹ùÑôÑôÑô³É 2026-04-04 5/250 2026-04-04 19:06 by dongzh2009
[¿¼ÑÐ] ±¾¿Æ211£¬×¨Òµ085404£¬293·ÖÇëÇóµ÷¼Á +5 Á«²Ë¾ÍÊÇź°É 2026-04-04 5/250 2026-04-04 14:08 by ÕâÊÇÒ»¸öÎÞÁĵÄê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û