Znn3bq.jpeg
²é¿´: 660  |  »Ø¸´: 1

ssg1234567

Òø³æ (³õÈëÎÄ̳)

[ÇóÖú] ÓÐûÓÐÓùýÑôÀë×Ó½»»»Ê÷Ö¬µÄ£¬Çë½Ìһϣ¡

A solution of active silica is prepared by lowering the pH of a 0.54 wt% sodiumsilicate solution to 10-11 by progressive addition of cation exchange resin (Dualite C225-Na 14-52 mesh, from BDH Chemicals, converted into the acidform by repeated washing with HCl and water).
ÕâÊÇÒ»¸öʲôÑùµÄ¹ý³Ì£¿Ôõô²Ù×÷£¿Èç¹û½ö½öÊǵ÷½ÚPHµÄ»°£¬Ö±½ÓÓÃHCl²»¾Í¿ÉÒÔÁËÂð£¿ÓÃÑôÀë×Ó½»»»Ê÷Ö¬²»¾ÍÓеã¶àÓàÁËÂð£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

yifanworld

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ssg1234567(½ð±Ò+2): 2011-06-17 08:39:00
Õâ¸öÊÇliz-marzanÏÈÉú¹ØÓں˿ǽṹµÄÄÇÆªÎÄÏװɰ¡¡£Ó¦¸Ã¾ÍÊÇÓÃËáÐÔÊ÷Ö¬°ÑÄÆÀë×ÓÖû»³öÈ¥£¬Í¬Ê±µ÷½ÚPHÖµ£¬²»¹ýÎÒ¿´µ½¹ýÓÐÖ±½Ó¼ÓÑÎËáµ÷½ÚPH£¬²»¹ýÖù×Ó£¬µ«ÊǺÃÏñЧ¹û²»ÊǺܺ㬽ðÄÉÃ׿ÅÁ£ÓÉÓÚ´æÔÚ´óÁ¿µÄÄÆÀë×ÓºÍÂÈÀë×Óµ¼Öµãλ²»Îȶ¨£¬ÈÝÒ×·¢Éú¾Û³É£¬Ó¦¸Ã¾ÍÊÇÕâ¸öÔ­Òò£¨¸öÈ˼û½â£©£¬ËùÒÔ²ÅÓÃÊ÷Ö¬µÄÔ­Òò°É¡£
2Â¥2011-06-14 11:22:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ssg1234567 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ 20+3 ¹Â¶ÀµÄÀǰ®³ÔÑò 2026-04-12 15/750 2026-04-12 16:52 by ajpv·çÀ×
[¿¼ÑÐ] 277Çóµ÷¼Á +21 Äß½¨Éè 2026-04-06 21/1050 2026-04-12 12:27 by laoshidan
[¿¼ÑÐ] µ÷¼Á +25 ²»·ê´º 2026-04-07 26/1300 2026-04-12 11:53 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] 268·Ö085602»¯Ñ§¹¤³Ìµ÷¼Á +28 ÔÂÕÕ»¨ÁÖ¡£ 2026-04-09 28/1400 2026-04-12 02:38 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] ҩѧר˶µ÷¼Á +8 ? һ·Éú?»¨? 2026-04-10 10/500 2026-04-11 21:21 by zhouxiaoyu
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +3 Say Never 2026-04-11 3/150 2026-04-11 17:22 by daydayup2005
[¿¼ÑÐ] 283Çóµ÷¼Á 086004¿¼Ó¢¶þÊý¶þ +17 ÄǸöàà×Ó 2026-04-10 18/900 2026-04-11 16:27 by Ã÷Ô´ËʱÓÐ
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á0854Àà +4 ŬÁ¦µÄÏÄÄ© 2026-04-09 4/200 2026-04-11 09:57 by zhq0425
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] ²ÄÁÏ085601µ÷¼Á +25 ºÎÈó²É123 2026-04-10 27/1350 2026-04-10 23:17 by Ftglcn90
[¿¼ÑÐ] ½­ËÕ´óѧ ¹¤¿Æµ÷¼Á ¼ñ© +3 Evan_Liu 2026-04-09 5/250 2026-04-10 10:22 by Evan_Liu
[¿¼ÑÐ] 314Çóµ÷¼Á +14 weltZeng 2026-04-09 14/700 2026-04-09 23:14 by wolf97
[¿¼ÑÐ] 274Çóµ÷¼Á +5 ɽ°¢Âû 2026-04-07 5/250 2026-04-09 15:28 by 18828373951
[¿¼ÑÐ] »úе¹¤³Ì313·ÖÕÒ¹¤¿Æµ÷¼Á +3 ˫һÁ÷±¾¿Æ»úе 2026-04-08 3/150 2026-04-08 20:41 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 293·ÖÇóµ÷¼Á£¬ÍâÓïΪ¶íÓï +7 ¼ÓÒ»Ò»¾Å 2026-04-07 10/500 2026-04-08 20:14 by yutian743
[¿¼ÑÐ] Çóµ÷¼Á£¬ÏÖÔÚ»¹ÄÜÌîµÄ +3 Éϰ¶Ð¡Ó¨¼ÓÓÍ 2026-04-08 3/150 2026-04-08 14:30 by zhq0425
[¿¼ÑÐ] 277Çóµ÷¼Á +4 ¿¼Ñе÷¼Álxh 2026-04-06 6/300 2026-04-08 10:40 by ÄæË®³Ë·ç
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 22:00 by hemengdong
[¿¼ÑÐ] 22408 318·ÖÇóµ÷¼Á +4 ÇڷܵÄСÁý°ü 2026-04-06 6/300 2026-04-07 15:05 by Ö½º×555
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ËùÄî¼°ËùÍû 2026-04-06 3/150 2026-04-06 17:30 by ÍÁľ˶ʿÕÐÉú
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û