Znn3bq.jpeg
²é¿´: 873  |  »Ø¸´: 2

cogasony

½ð³æ (³õÈëÎÄ̳)

[ÇóÖú] °ëµ¼Ìåµçµ¼ÂÊÇó½â ÒÑÓÐ2È˲ÎÓë

calculatate the room-temperatue electrical conductivity of silicon that has been doped with 2*10^4 m-3 of boron atoms? Çó´óÉñ°ï棬¸Ð¼¤²»¾¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

×ö×îÅ£µÄ²ÄÁÏÈË
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

erniu888

½û³æ (³õÈëÎÄ̳)

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2015-01-11 22:19:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

caoxiafei

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

Ñз¢¹¤³Ìʦ-Topcon/HJTµç³Ø

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¿É²Î¿¼°ëµ¼ÌåÎïÀíѧ(Áõ¶÷¿Æ)¿ÎºóϰÌâ½âµÚËÄÕ´𰸣¬ http://wenku.baidu.com/view/429d48eeb8f67c1cfad6b878.html   
ÕâÀïBÔ­×ӵIJôÔÓŨ¶È2*10^4 m-3 of boron atoms£¬±È½ÏµÍ£¬²»ÖªµÀÄãµÄÊý¾ÝÓÐûÓÐд´í£»
Èç¹ûûÓУ¬ÄÇÄãÕâ¸öÊôÓÚNA<<ni, ÕâÖÖÇé¿ö¾Í°´±¾Õ÷¹è½øÐмÆË㣬ÈçÌâ2
3Â¥2015-01-12 12:12:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ cogasony µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿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] 290Çóµ÷¼Á +13 luoziheng 2026-04-10 13/650 2026-04-11 23:15 by labixiaoqiao
[¿¼ÑÐ] 277 ÊýÒ»104£¬Ñ§Ë¶£¬Çóµ÷¼Á +21 Æ¿×ÓPZ 2026-04-09 23/1150 2026-04-11 23:12 by labixiaoqiao
[¿¼ÑÐ] µ÷¼Á +6 ÇàµÆ²»¸º 2026-04-09 6/300 2026-04-11 20:35 by dongdian1
[¿¼ÑÐ] Ò»Ö¾Ô¸085502£¬267·ÖÇóµ÷¼Á +11 ÔÙæҲҪ³Ô·¹°¡ 2026-04-08 12/600 2026-04-11 11:08 by zhq0425
[¿¼ÑÐ] µ÷¼Á +4 µçÆø300Çóµ÷¼Á²» 2026-04-08 7/350 2026-04-11 10:44 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á0854Àà +4 ŬÁ¦µÄÏÄÄ© 2026-04-09 4/200 2026-04-11 09:57 by zhq0425
[¿¼ÑÐ] 346£¬¹¤¿Æ0854Çóµ÷¼Á£¬×¨Ë¶ +7 moser233 2026-04-10 8/400 2026-04-11 08:52 by Öí»á·É
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤µ÷¼Á +12 ·ñ¼«Ì©À´2026 2026-04-10 13/650 2026-04-11 00:28 by wangjihu
[¿¼ÑÐ] »¯Ñ§¹¤³ÌÓë¼¼Êõ324µ÷¼Á +23 Ëï³£»ª 2026-04-09 25/1250 2026-04-11 00:07 by ÆïÅ£¶Éº®½­
[¿¼ÑÐ] 293µ÷¼Á +25 yj1221 2026-04-08 26/1300 2026-04-10 15:02 by ²ñС°×
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703»¯Ñ§ 346·ÖÇóµ÷¼Á +22 ÍÁ¶¹er? 2026-04-09 23/1150 2026-04-10 10:58 by ¸ßά´º
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 13/650 2026-04-10 10:27 by liuhuiying09
[¿¼ÑÐ] ²ÄÁϸ´ÊÔÇóµ÷¼Á +20 xhhdjdjsjks 2026-04-09 20/1000 2026-04-10 10:25 by ËïСС12457
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ±ù±ù£¬£¬£¬ 2026-04-07 13/650 2026-04-09 17:01 by Lilly_Li
[¿¼ÑÐ] 368»¯Ñ§Çóµ÷¼Á +13 wwwwabcde 2026-04-07 14/700 2026-04-09 14:47 by heaven_jay
[¿¼ÑÐ] 304Çóµ÷¼Á +10 ËØÄê¼ÀÓï 2026-04-06 17/850 2026-04-08 09:05 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁϹ¤³ÌרҵÈÕÓïÉúÇóµ÷¼Á +9 111623 2026-04-07 9/450 2026-04-07 23:31 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] 071000ÉúÎïѧ£¬Ò»Ö¾Ô¸ÉîÛÚ´óѧ296·Ö£¬Çóµ÷¼Á +12 TIckLw 2026-04-06 13/650 2026-04-07 20:34 by lijunpoly
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û