Znn3bq.jpeg
²é¿´: 2615  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÅË»¢³É

гæ (³õÈëÎÄ̳)

[ÇóÖú] ·ÑÃ×Äܼ¶ÉϵÄ̬ÃܶÈÔö¼Ó£¬»á¶Ôµç×ӵĴ«ÈȲúÉúʲôӰÏ죿

ÇëÎʸ÷λ¸ßÊÖ£¬½ðÊôÖУ¬·ÑÃ×Äܼ¶ÉϵÄ̬ÃܶÈÔö¼Ó£¬Óë´«ÈÈʱµÄµç×Ó-µç×ÓÉ¢Éä³Ì¶ÈÓÐÖ±½ÓµÄ¹ØÏµÂð£¿
¾ßÌåµÄ±³¾°ÊÇ£¬ÔÚÎÒµÄÕâÖֺϽðÖÐÕÒµ½ÁËÒ»¸ö¶Ì³ÌÓÐÐò½á¹¹£¬ÕâÖֽṹ¶ÔÓ¦µÄµç×ӽṹ±ä»¯ÊÇ£¬×ÔÓÉ´«µ¼µç×ÓŨ¶ÈÔö¼Ó£¬¼´·ÑÃ×Äܼ¶ÉϵÄ̬ÃܶÈÔö¼Ó£»ÕâÖֱ仯ϣÍû¿ÉÒÔÓÃÀ´½âÊͺϽðµÄÂåÂ××ÈϵÊýÆ«µÍµÄÏÖÏó¡£
Ï£Íû´ó¼Ò²»Áߴͽ̡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

ÅË»¢³É

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by leongoall at 2012-08-31 03:27:05
ÄÜ·ñÇëÂ¥Ö÷ÏÈ¿ÆÆÕһϣ¬Ê²Ã´½ÐºÏ½ðµÄÂåÂ××ÈϵÊý£¿Ð»Ð»

½ðÊôÈȵ¼ÂÊ=µç×ÓÈȵ¼ÂʦË1+Éù×ÓÈȵ¼ÂʦË2
Ò»°ãÇé¿öÏ£¬½ðÊôµÄµç×ÓÈȵ¼ÂÊÓëÆäµçµ¼ÂʦÒÖ®¼äÂú×ãÖøÃûµÄW-F¹ØÏµ£¬¼´
¦Ë1/¦Ò=LT, where L is the Lorenz number(ÂåÂ××ÈϵÊý) and T is the absolute temperature.
Free electron model suggests that L should be constant for all metals and approach Summerfeld Lorenz constant L0 (= 2.44¡Á10-8 V2•K-2 )
µ«ÊµÑéÖеóöMg-ZnºÏ½ðµÄ L ½ÏµÍ£¬¶ø ¦Ë2 ½Ï¸ß¡£ÏÖÔÚÏ£Íû´Óµç×ÓÉ¢ÉäµÄ½Ç¶È½øÐнâÊÍ£¬Íû²»ÁߴͽÌ
4Â¥2012-09-04 12:50:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

leongoall

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

P-M-IÖ®³õÉúÅ£¶¿

ÄÜ·ñÇëÂ¥Ö÷ÏÈ¿ÆÆÕһϣ¬Ê²Ã´½ÐºÏ½ðµÄÂåÂ××ÈϵÊý£¿Ð»Ð»
³ÃÄêÇᣬ¶àÕÛÌÚ£¡ÔøÄêÇᣬÕÛÌÚ¹ý£¿£¡
2Â¥2012-08-31 03:27:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÅË»¢³É

гæ (³õÈëÎÄ̳)

½ðÊôÈȵ¼ÂÊ=µç×ÓÈȵ¼ÂʦË1+Éù×ÓÈȵ¼ÂʦË2
Ò»°ãÇé¿öÏ£¬½ðÊôµÄµç×ÓÈȵ¼ÂÊÓëÆäµçµ¼ÂʦÒÖ®¼äÂú×ãÖøÃûµÄW-F¹ØÏµ£¬¼´
¦Ë1/¦Ò=LT, where L is the Lorenz number(ÂåÂ××ÈϵÊý) and T is the absolute temperature.
Free electron model suggests that L should be constant for all metals and approach Summerfeld Lorenz constant L0 (= 2.44¡Á10-8 V2•K-2 )
µ«ÊµÑéÖеóöMg-ZnºÏ½ðµÄ L ½ÏµÍ£¬¶ø ¦Ë2 ½Ï¸ß¡£ÏÖÔÚÏ£Íû´Óµç×ÓÉ¢ÉäµÄ½Ç¶È½øÐнâÊÍ£¬Íû²»Áߴͽ̡£
3Â¥2012-08-31 14:30:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

leongoall

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

P-M-IÖ®³õÉúÅ£¶¿

ÈçºÎÕÕÄã¸øµÄ¹«Ê½£¬Í¬ÑùTÌõ¼þÏÂL¼õС£¬ÄÇôÈȵ¼Âʺ͵絼Âʵĵ¹Êý³Ë»ýÒ²¼õС£¬¶øµ±·ÑÃ×Äܼ¶ÉϵÄ̬ÃܶÈÔö¼Ó£¬µçµ¼ÂÊÓ¦¸ÃÊÇÔö¼ÓµÄ°É£¨²»ÖªµÀ¶Ô²»¶Ô£©£¬ÕâÑùÒ²²»ÄÜÖ¤Ã÷Èȵ¼Âʾͻá±ä»¯°¡£¡

ÆÚ´ý¸ßÊÖ³öÏÖ£¡
³ÃÄêÇᣬ¶àÕÛÌÚ£¡ÔøÄêÇᣬÕÛÌÚ¹ý£¿£¡
5Â¥2012-09-04 14:07:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 292Çóµ÷¼Á +5 ЦЦԬ 2026-04-09 5/250 2026-04-09 11:23 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 297Çóµ÷¼Á +18 GENJIOW 2026-04-07 19/950 2026-04-09 10:30 by lingjue
[¿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˧
[¿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] Ò»Ö¾Ô¸»ªÄÏʦ·¶´óѧ-22408¼ÆËã»ú-292·Ö-Çó»ªÄÏʦ·¶´óѧµ÷¼Á +5 °®¶ÁÊéµÄСöùÓã 2026-04-02 5/250 2026-04-08 14:55 by CASС»¨¹¤
[¿¼ÑÐ] ¼ÆËã»ú408£üÔÚУ¶à´Î¹ú¼Ò¼¶¾ºÈü»ñ½±£üÉêÇëµ÷¼Á +4 ¶«É½´ó°×¶ì 2026-04-05 4/200 2026-04-08 00:18 by chongya
[¿¼ÑÐ] 316Çóµ÷¼Á +4 15318418673 2026-04-07 4/200 2026-04-07 22:12 by hemengdong
[¿¼ÑÐ] µ÷¼Á +18 ²»·ê´º 2026-04-05 19/950 2026-04-07 22:04 by lijunpoly
[¿¼ÑÐ] 302·ÖÇóµ÷¼Á Ò»Ö¾Ô¸°²»Õ´óѧ085601 +12 zyxÉϰ¶£¡ 2026-04-04 12/600 2026-04-07 02:09 by BruceLiu320
[¿¼ÑÐ] 285Çóµ÷¼Á +8 AZMK 2026-04-04 11/550 2026-04-06 13:56 by BruceLiu320
[¿¼ÑÐ] 298·Ö 070300Çóµ÷¼Á +15 zwen03 2026-04-02 15/750 2026-04-05 12:52 by Hdyxbekcb
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +8 ÏàÐűػá¹ââÍòÕ 2026-04-05 10/500 2026-04-05 12:19 by Hdyxbekcb
[¿¼ÑÐ] 344²ÄÁÏÓ뻯¹¤µ÷¼Á +9 µ÷¼ÁÉϰ¶«^ 2026-04-03 9/450 2026-04-04 23:10 by happyddm
[¿¼ÑÐ] Çóµ÷¼Á +3 ffyyu 2026-04-02 3/150 2026-04-04 19:03 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ±¾9Ò»Ö¾Ô¸2 0854µÍ·Öר˶286Çóµ÷¼Á +9 âÖÖ111 2026-04-04 9/450 2026-04-04 11:01 by tangruihua
[¿¼ÑÐ] 285Çóµ÷¼Á +5 AZMK 2026-04-03 8/400 2026-04-03 18:17 by AZMK
[¿¼ÑÐ] ¿¼Ñе÷¼Á +8 ²»°®ºÈÒûÁÏ 2026-04-03 8/400 2026-04-03 16:40 by Mistake-J
[¿¼ÑÐ] 11408£¬284·Ö£¬¶þÕ½Õæ³ÏÇóµ÷¼Á +4 12.27 2026-04-02 4/200 2026-04-03 14:14 by dxiaoxin
[¿¼ÑÐ] ר˶085601Çóµ÷¼Á +7 suyifei 2026-04-03 8/400 2026-04-03 14:00 by ÐÀϲ777
[¿¼ÑÐ] 326Çóµ÷¼Á +10 áÌáÌ×Ð 2026-04-02 10/500 2026-04-03 09:08 by ÅÁ¶ûÂíÀ­ÌØ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û