²é¿´: 2026  |  »Ø¸´: 4

ÉîÛÚº£ÑóÍõ

ľ³æ (СÓÐÃûÆø)

[ÇóÖú] Bragg·½³Ì2dsin¦È = n¦Ë¡±ÆäÖеÄ4¸ö±äÁ¿È«×÷˵Ã÷£¬Í¬Ê±Óе¥Î»µÄ¸ø³öµ¥Î»

´ó¼ÒºÃ£¬Bragg·½³Ì2dsin¦È = n¦Ë¡±ÆäÖеÄ4¸ö±äÁ¿´ú±íʲô£¬Í¬Ê±Óе¥Î»µÄÊÇʲôµ¥Î» лл ÁíÍ⣬J½Ç¶¯Á¿Óе¥Î»Â𠣿µ¥Î»ÊÇ£¿
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wjqmg

Í­³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÉîÛÚº£ÑóÍõ: ½ð±Ò+15, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл 2013-06-17 19:26:24
¸Ã·½³ÌÊǾ§ÌåÑÜÉäµÄÀíÂÛ»ù´¡¡£
   dΪ¾§Ãæ¼ä¾à£¨µ¥Î»--m)£¬¦ÈΪÈëÉäXÉäÏßÓëÏàÓ¦¾§ÃæµÄ¼Ð½Ç£¨µ¥Î»¡ª¶È)£¬¦ËΪXÉäÏߵIJ¨³¤(µ¥Î»---m£©£¬nΪÑÜÉä¼¶Êý£¬Æäº¬ÒåÊÇ£ºÖ»ÓÐÕÕÉäµ½ÏàÁÚÁ½¾§ÃæµÄ¹â³Ì²îÊÇXÉäÏß²¨³¤µÄn±¶Ê±²Å²úÉúÑÜÉä¡£ÉÏʽ±íÃ÷£¬µ±¾§ÃæÓëXÉäÏßÖ®¼äÂú×ãÉÏÊö¼¸ºÎ¹ØÏµÊ±£¬XÉäÏßµÄÑÜÉäÇ¿¶È½«Ï໥¼ÓÇ¿¡£
½Ç¶¯Á¿µ±È»Óе¥Î»£ºkg¡¤m2/s
±£³ÖÏòÉÆ/ÉϵÄÐÄ
2Â¥2013-06-17 19:07:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jwucn

ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÉîÛÚº£ÑóÍõ: ½ð±Ò+5, ¡ïÓаïÖú, лл 2013-06-17 19:26:40
d ÑÜÉäÃæ¼ä¾à  
¦È ÈëÉäÂÓÉä½Ç
n ÑÜÉä¼¶Êý
¦ËΪXÉäÏߵIJ¨³¤
3Â¥2013-06-17 19:24:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gzl9901

Ìú¸Ëľ³æ (ÎÄ̳¾«Ó¢)

very good

×£¸££¬×£Ò»ÇÐ˳Àû£¬¿ÆÑгɹûÀÛÀÛ£¡
verygood
4Â¥2013-06-17 19:50:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

turnado

Ìú¸Ëľ³æ (СÓÐÃûÆø)

ÕâЩʰٶȾÍÐÐÁ˰¡
5Â¥2013-06-17 20:51:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÉîÛÚº£ÑóÍõ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ½­ËÕʡũ¿ÆÔºÕе÷¼Á1Ãû +4 Qwertyuop 2026-03-01 4/200 2026-03-02 14:27 by Éý¸ñ°¢´ï
[¿¼ÑÐ] 0856»¯¹¤×¨Ë¶Çóµ÷¼Á +14 ¶­boxing 2026-03-01 14/700 2026-03-02 14:07 by liyongv
[¿¼ÑÐ] 338Çóµ÷¼Á +3 18162027187 2026-03-02 3/150 2026-03-02 13:12 by houyaoxu
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤328Çóµ÷¼Á +3 ¡££¬¡££¬¡££¬¡£i 2026-03-02 3/150 2026-03-02 13:09 by houyaoxu
[¿¼ÑÐ] 291 Çóµ÷¼Á +3 »¯¹¤2026½ì±ÏÒµÉ 2026-03-02 3/150 2026-03-02 12:55 by houyaoxu
[¿¼ÑÐ] 0805×Ü·Ö292£¬Çóµ÷¼Á +8 »ÃÏëÖ®éä 2026-03-01 8/400 2026-03-02 12:51 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 268Çóµ÷¼Á +4 ¼òµ¥µã0 2026-03-02 5/250 2026-03-02 11:54 by ms629
[»ù½ðÉêÇë] ´Ë³É¹û²»Äܵ¼ÈëÔ­Òò£ºÔªÊý¾Ý±ØÌîÐÅÏ¢²»ÍêÕû£¬¿É ½øÐв¹³ä¡£ +4 Kittylucky 2026-03-02 5/250 2026-03-02 11:07 by jurkat.1640
[¿¼ÑÐ] Çóµ÷¼Á +8 yunziaaaaa 2026-03-01 9/450 2026-03-02 11:03 by ºÚ£¡ÔÚ¸ÉÂï
[¿¼ÑÐ] 274Çóµ÷¼Á +3 cgyzqwn 2026-03-01 7/350 2026-03-02 10:38 by lature00
[¿¼ÑÐ] 275Çóµ÷¼Á +3 L-xin? 2026-03-01 6/300 2026-03-02 10:22 by ÈÈÇéɳĮ
[»ù½ðÉêÇë] ±¾×ÓдÍêÁË£¬¸øDSÐֵܿ´ÁË£¬µÃÁË92·Ö +3 Doma 2026-03-01 7/350 2026-03-02 00:00 by jnzsy
[»ù½ðÉêÇë] ³É¹ûϵͳ·ÃÎÊÁ¿´ó£¬ÇëһСʱºóÔÙ³¢ÊÔ¡£---NSFCɶʱºòºÃŶ£¬ÒѾ­Á½ÌìÕâÑùÁË +4 NSFC2026ÎÒÀ´ÁË 2026-02-28 4/200 2026-03-01 22:37 by ÌúÃÅ˨
[¿¼ÑÐ] 0856²ÄÁÏÇóµ÷¼Á +11 hyf hyf hyf 2026-02-28 12/600 2026-03-01 18:57 by 18137688336
[¿¼ÑÐ] 0856²ÄÁÏÇóµ÷¼Á +4 ÂéÀ±öÏÓã 2026-02-28 4/200 2026-03-01 16:51 by caszguilin
[¿¼ÑÐ] 285Çóµ÷¼Á +8 ÂúÍ·´óº¹µÄѧÉú 2026-02-28 8/400 2026-03-01 16:47 by caszguilin
[¿¼ÑÐ] 295¸´ÊÔµ÷¼Á +3 ¼òľChuFront 2026-03-01 3/150 2026-03-01 14:27 by zzxw520th
[¿¼ÑÐ] 311Çóµ÷¼Á +9 ÄÏåÈ720 2026-02-28 10/500 2026-03-01 10:55 by sunny81
[ÂÛÎÄͶ¸å] ÇóÖúcoordination chemistry reviews µÄд×÷Ä£°å 10+3 ljplijiapeng 2026-02-27 4/200 2026-03-01 09:07 by babero
[¸ß·Ö×Ó] Çó»·ÑõÊ÷Ö¬Ñз¢1Ãû +3 Ëïxc 2026-02-25 11/550 2026-02-28 16:57 by ichall
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û