Znn3bq.jpeg
²é¿´: 778  |  »Ø¸´: 16
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

dragonball2000

½ð³æ (СÓÐÃûÆø)

[½»Á÷] ÎʸöÖú´ß»¯¼Á¼ÓKOHµÄÎÊÌâ,ÔØÌåÊÇr-Al2O3

¼ÓÇâÑõ»¯¼ØÊÇΪÁ˽«Ñõ»¯ÂÁÔØÌå±íÃæµÄBËáÖÐÐÄÖк͵ô,µ«ÊÇÈç¹ûÓõÈÌå»ýÈÜÒº½þ×ÕÇâÑõ»¯¼Ø»°²»»áºÍÑõ»¯ÂÁ·¢Éú·´Ó¦Âð,¶øÇÒ´ó¼Ò½þ×ÕÁËÇâÑõ»¯¼ØÖ®ºóÊÇÓÃʲôζȱºÉյİ¡?ÔÚÔØÌåÉÏËüÊÇÒÔÑõ»¯¼ØµÄÐÎʽ´æÔÚÆð×÷ÓÃÄØ»¹ÊÇÒÔÇâÑõ»¯¼ØµÄÐÎʽ´æÔÚÆð×÷ÓÃ?KOHÐèÒªÔÚʲôÌõ¼þϲÅÄÜת»¯³ÉÑõ»¯¼Ø°¡?
´ó¼Ò°ï°ïæ?

[ Last edited by nxl5096224 on 2007-6-3 at 09:53 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wszynh

½ð³æ (СÓÐÃûÆø)

0.5

ÄãÊÇ×öʲôÀàÐ͵Ĵ߻¯¼ÁÄØ£¿
¼ÓKOHÕâ¸öÓкܶàÖÖ¼Ó·¨µÄ¡£
8Â¥2006-09-22 14:13:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 17 ¸ö»Ø´ð

daiqiguang

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷

·ÇµÃʹÓÃKOHÂ𣿣¿ÎÒ¾õµÃNaOH¡¢KOHÔÚ×ö´ß»¯¼ÁµÄ¹ý³ÌÖÐ×îºÃ²»ÒªÒýÈ룬Èç¹ûÒªÓüîµÄ»°ÓÃNH3»òÄòËØÔÚ±ºÉÕºó²»ÁôÏÂÈκβÐÁôµÄ±È½ÏºÃ£¡£¡
ÎÒÒ²Çë½ÌÒ»¸öÎÊÌ⣺Óüî½þ×ÕÄÜÈ¥µôBËáÂ𣿣¿
ÓÐÊÂÇëµ½www.chemj.cnÉÏÕÒchemj£¬Ð»Ð»
2Â¥2006-09-21 21:32:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cometring

ľ³æ (ÖøÃûдÊÖ)

°®Äã¾ÍµÈÓÚ°®×Ô¼º

0.25

¿ÉÒԲο¼Ò»Ïºϳɰ±´ß»¯¼ÁAl2O3¼Ó¼ØµÄ·½·¨£¬»òÕß´ß»¯¼ÁÖÆ±¸·½ÃæµÄÊé°Ñ£¬Õâ·½ÃæÑо¿ºÜ¶à¡£
Ó볬°æ¶·£¬ÆäÀÖÎÞÇÓë°ßÖñ¶·£¬ÆäÀÖÎÞÇÓë³æ×Ó¶·£¬ÆäÀÖÎÞÇî¡£
3Â¥2006-09-21 21:57:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dragonball2000

½ð³æ (СÓÐÃûÆø)

Êǰ¡,¿ÉÒÔÖк͵ô²¿·ÖËáÖÐÐÄ,ÓÃNH3ºÍÄòËØµÄ»°,±ºÉÕÍêÁËÖ®ºóÆñ²»Ã»Ð§¹û°¡
4Â¥2006-09-21 22:03:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0854Çóµ÷¼Á +23 ÃÅ·ÃþÃþ 2026-04-15 27/1350 2026-04-19 01:59 by ÑÌÓêÁ÷ÑÄ
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬326ÇóÉúÎïѧµ÷¼Á +12 Áõīī 2026-04-13 12/600 2026-04-18 23:31 by ·²¡Çé
[¿¼²©] É격/¿¼²© +3 ¿ÐÃæ°üµÄСÊ鳿 2026-04-17 4/200 2026-04-17 23:54 by ÑôÑôÑô^_^
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +33 yzyzx 2026-04-12 37/1850 2026-04-17 23:00 by wunaiy88
[¿¼²©] Ç󲩵¼£üÉúÎïÖÊ»ù¶à¿×̼/³¬¼¶µçÈÝ·½Ïò£¬ÒÑÓÐÏà¹Ø³É¹û£¬Ñ°ÄÜÔ´²ÄÁÏ/̼²ÄÁÏ·½ÏòÀÏʦ +3 ÖíÖíÈËZzz 2026-04-12 3/150 2026-04-17 19:10 by ÑôÑôÑô^_^
[¿¼ÑÐ] 295·ÖÇóµ÷¼Á +5 ?ÒªÉϰ¶? 2026-04-17 5/250 2026-04-17 16:51 by fenglj492
[¿¼ÑÐ] 294Çóµ÷¼Á +14 µ­È»654321 2026-04-15 14/700 2026-04-16 21:01 by lpl364211
[¿¼ÑÐ] 289 ·Ö105500ҩѧר˶Çóµ÷¼Á(ÕÒBÇøÑ§Ð£) +4 °×ÔÆ123456789 2026-04-13 4/200 2026-04-16 00:18 by ·ÛÇßÈô³¾
[¿¼ÑÐ] Çóµ÷¼ÁѧУ +14 ²»»á³ÔÈâ 2026-04-13 16/800 2026-04-15 21:59 by noqvsozv
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +10 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 10/500 2026-04-15 21:50 by noqvsozv
[¿¼ÑÐ] Ò»Ö¾Ô¸AÇø211£¬22408 321Çóµ÷¼Á +6 ËæÐÄËùÓû¡î 2026-04-15 7/350 2026-04-15 21:45 by lbsjt
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +6 zlb770521 2026-04-14 6/300 2026-04-15 20:00 by ѧԱJpLReM
[¿¼ÑÐ] ¸÷λÀÏʦºÃ£¬Çóµ÷¼Á£¬±¾¿Æ211£¬Ò»Ö¾Ô¸Ìì½ò´óѧÉúÎïÓëҽҩѧ˶£¬²îÁ½Ãû¼ȡ¡£ +11 ·ÁùÁùjjj 2026-04-13 11/550 2026-04-14 16:01 by zs92450
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
[¿¼ÑÐ] ʳƷÓëÓªÑø£¨0955£©271Çóµ÷¼Á +15 Éý¸ñ°¢´ï 2026-04-12 16/800 2026-04-14 13:18 by ¸¡Èô_°²Éú
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +12 ×ÓľÄÅ 2026-04-12 13/650 2026-04-14 01:19 by Íõ¬Bè±
[¿¼ÑÐ] 2026˶ʿµ÷¼Á_Äܶ¯_ºÓÄÏũҵ´óѧ +4 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 4/200 2026-04-13 22:01 by bljnqdcc
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] 302Çóµ÷¼Á +10 Ò×£¡? 2026-04-13 10/500 2026-04-13 19:04 by lbsjt
[¿¼ÑÐ] 339Çóµ÷¼Á +4 hanwudada 2026-04-12 4/200 2026-04-13 12:03 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û