±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 476  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

³¬¼¶ÀÏ¿ì

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

[ÇóÖú] ÇóººÒëÓ¢Á½¾ä»°£¬Ð»Ð»´ó¼Ò£¡

1.ÎÒÃǵ¥¶À²âÊÔ¹ýÁËNa2CO3ºÍMgCO3·ÛÌåµÄÀ­Âü¹âÆ×£¬È·¶¨ÁËMg-OÓëNa-O¼üÉìËõÕñ¶¯µÄÀ­Âü²¨Êý¶¼ÔÚ400cm-1ÒÔÏ£¬ÇÒMg-O´óÓÚNa-OµÄ²¨Êý¡£ËæMgOµÄÔö¼Ó£¬Ô­ÏÈÔÚ250cm-1×óÓҵIJ¨ÊýÔڸ߲¨ÊýÀ©Õŵ½400cm-1¡£

2.ÔÚÀ­Âü¹âÆ×ͼÖУ¬ÑùÆ·SNM-1ÖÐλÓÚ1050cm-1¸½½üÓÐÁ½¸öÎüÊշ壬¿ÉÄÜÊÇÓÉÓÚNa+Àë×ÓÔÚ²£Á§ÍøÂç½á¹¹ÖÐÖ»Æðµ½¶ÏÍø×÷Óã¬ÐγɷÇÇÅÑõ¼ü£¬´¦ÓÚSi-O»òAl-O¼üµÄÄ©¶Ë£¬¶øËÄÃæÌå¶¥µãµÄ½¡½ÇÓÐËù²î±ð£¬Ê¹µÃÔÚ1050cm-1³öSi-O-NaºÍAl-O-NaµÄÀ­ÂüÕñ¶¯·åÓÐ΢СµÄ²î±ð£¬¶øÐγÉË«·å½á¹¹¡£¶øMgOµÄ¼ÓÈëʹµÃ²£Á§½á¹¹±äµÃ½ôÃÜ£¬ÊÇÓÉÓÚMg2+Æðµ½ÁËÁ´½ÓSi-OÓëAl-OµÄ×÷Óã¬Á´½Ó·½Ê½½ÏΪµ¥Ò»£¬ÇÒMg2+ÓëNa+µÄÁ´½Ó·½Ê½ÏàËÆ£¬ËùÒÔSi-O-RÔÚ1050cm-1¶¼ÓÐÀ­ÂüÕñ¶¯·å¡£ËùÒÔµ±MgOÌí¼Óʱ£¬À­Âü¹âÆ×ÔÚ1050cm-1¸½½üÓÉË«·åºÏΪµ¥·å¡£

» ²ÂÄãϲ»¶

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

Î人һÐÄÒ»Òë

¾èÖú¹ó±ö (ÖøÃûдÊÖ)


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

É̼ÒÒѾ­Ö÷¶¯ÉùÃ÷´Ë»ØÌû¿ÉÄܺ¬ÓÐÐû´«ÄÚÈÝ
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ...
³¬¼¶ÀÏ¿ì: ½ð±Ò+150, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2016-09-19 15:54:15
1.ÎÒÃǵ¥¶À²âÊÔ¹ýÁË Na2CO3 ºÍ MgCO3·ÛÌå µÄÀ­Âü¹âÆ×£¬È·¶¨ÁË Mg-O Óë Na-O¼ü ÉìËõÕñ¶¯ µÄ À­Âü²¨Êý ¶¼ÔÚ400cm-1ÒÔÏ£¬ÇÒ Mg-O ´óÓÚ Na-OµÄ ²¨Êý¡£Ëæ MgOµÄÔö¼Ó£¬Ô­ÏÈÔÚ 250cm-1×óÓÒµÄ ²¨Êý ÔÚ ¸ß²¨Êý À©Õŵ½ 400cm-1¡£
1. We tested the Raman spectra of Na2CO3 and MgCO3 powder, respectively and determined that the Raman wave numbers (RWN) for the stretching vibrations of Mg-O and Na-O bond were both under 400cm-1, wherein the RWN of Mg-O was larger than that of Na-O. With increase of MgO, the previous RWN which was around 250cm-1 expanded to 400cm-1.

2.ÔÚÀ­Âü¹âÆ×ͼÖУ¬ÑùÆ·SNM-1ÖРλÓÚ1050cm-1¸½½ü ÓÐ Á½¸öÎüÊշ壬¿ÉÄÜÊÇ ÓÉÓÚ Na+Àë×Ó ÔÚ ²£Á§ÍøÂç½á¹¹ÖÐ Ö»Æðµ½ ¶ÏÍø×÷Óã¬ÐÎ³É ·ÇÇÅÑõ¼ü£¬´¦ÓÚ Si-O »ò Al-O¼ü µÄÄ©¶Ë£¬¶ø ËÄÃæÌå¶¥µãµÄ ½¡½Ç ÓÐËù²î±ð£¬Ê¹µÃÔÚ 1050cm-1³ö Si-O-NaºÍAl-O-NaµÄ À­ÂüÕñ¶¯·å ÓР΢СµÄ²î±ð£¬¶ø ÐγÉË«·å½á¹¹¡£¶øMgOµÄ ¼ÓÈë ʹµÃ ²£Á§½á¹¹ ±äµÃ½ôÃÜ£¬ÊÇ ÓÉÓÚMg2+ Æðµ½ÁË Á´½ÓSi-OÓëAl-OµÄ×÷Óã¬Á´½Ó·½Ê½ ½ÏΪµ¥Ò»£¬ÇÒ Mg2+ÓëNa+µÄ Á´½Ó·½Ê½ ÏàËÆ£¬ËùÒÔ Si-O-R ÔÚ 1050cm-1 ¶¼ ÓÐÀ­ÂüÕñ¶¯·å¡£ËùÒÔµ± MgOÌí¼Óʱ£¬À­Âü¹âÆ× ÔÚ1050cm-1 ¸½½ü ÓÉ Ë«·å ºÏΪ µ¥·å¡£
2. In the Raman spectrogram, we can see that sample SNM-1 has two absorption peaks at around 1050cm-1. This is mainly because that Na+ only acted as a role of network-breaker in the glass network structure, forming non-bridging oxygen bond at the terminal of Si-O or Al-O bond; however the bond angles at tetrahedron vertex were different, so that the Raman vibration peaks of Si-O-Na and Al-O-Na at 1050cm-1 were different, and double peak structure were formed. On the other hand, the glass structure became more tight with the addition of MgO, which is mainly due to that the Mg2+ played a role of linking Si-O and Al-O in a relatively single way. Moreover as Mg2+ and Na+ shares similar linking way, Si-O-R had Raman vibration peak at 1050cm-1. That is the reason why double peaks combined into  single peak at around 1050cm-1 with the addition of MgO.
2Â¥2016-09-19 15:01:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ³¬¼¶ÀÏ¿ì µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 362Çóµ÷¼ÁÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ +4 ÎÒÒª¿¼´ó 2026-04-06 6/300 2026-04-06 14:11 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 288Çóµ÷¼Á +8 ûÓдð°¸_ 2026-04-05 8/400 2026-04-06 14:11 by lqwchd
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 Ò»ÑùYWY 2026-04-06 5/250 2026-04-06 13:08 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] »úеר˶274Çóµ÷¼Á£¬²»ÌôרҵѧУ +6 ·º·º2333 2026-04-05 7/350 2026-04-05 23:20 by chyhaha
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] 085600µ÷¼Á +4 1amJJ 2026-04-02 4/200 2026-04-04 21:53 by hemengdong
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +5 ´Þwj 2026-03-31 5/250 2026-04-04 19:45 by 1753564080
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +6 ·¶¸ùÅà 2026-04-04 6/300 2026-04-04 14:27 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 zybz³å³å³å 2026-04-03 6/300 2026-04-04 13:08 by zybz³å³å³å
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] 322Çóµ÷¼Á +6 FZAC123 2026-04-03 6/300 2026-04-03 22:23 by ¿ÆÑÐСר¼Ò
[¿¼ÑÐ] 11408£¬284·Ö£¬¶þÕ½Õæ³ÏÇóµ÷¼Á +4 12.27 2026-04-02 4/200 2026-04-03 14:14 by dxiaoxin
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-03 4/200 2026-04-03 13:28 by jiouuu
[¿¼ÑÐ] 320Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-03 3/150 2026-04-03 11:40 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Ò»Ö¾Ô¸aÇø211£¬085601-307·ÖÇóµ÷¼Á +13 µ³¼ÎºÀ 2026-03-31 26/1300 2026-04-03 08:33 by 495374996
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +6 ÍÃͻͻͻ£¬ 2026-03-31 7/350 2026-04-02 09:06 by coolminer
[¿¼ÑÐ] 0817»¯¹¤Ñ§Ë¶µ÷¼Á +11 ŬÁ¦Éϰ¶ÖУ¡ 2026-03-31 11/550 2026-04-01 20:30 by Àµ´ºÑÞ
[¿¼ÑÐ] 286Çóµ÷¼Á +5 Sa67890. 2026-04-01 7/350 2026-04-01 19:50 by 6781022
[¿¼ÑÐ] 085601Ó¢¶þÊý¶þÇóµ÷¼Á ×Ü·Ö325 +4 Óຽº½ 2026-03-31 4/200 2026-03-31 17:38 by ÌÆãå¶ù
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û