| ²é¿´: 1555 | »Ø¸´: 13 | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
ÆßÆß77°¡Òø³æ (СÓÐÃûÆø)
|
[ÇóÖú]
ÈçºÎÓüòµ¥µÄ·½·¨¹¹½¨Ò»¸ö´Å³¡
|
||
|
ÏëÖªµÀÈçºÎÓüòµ¥µÄ·½·¨¹¹½¨Ò»¸ö´Å³¡£¬×îºÃ¿ÉÒÔ¿ØÖƴų¡´óС£¬ ¿´ÎÄÏ×ÖÐдµÄPermanent magnet in this experiment was made of two cylindrical NdFeB magnets (Tian Jin Nibboh Magnets, N-42 series) with diameter of 50 mm and a §± shape iron frame. The two NdFeB magnets were fixed on the inner wall of iron frame and forming a 25 mm air gap. ¾ßÌåÊǸöʲô¹ý³Ì£¬NdFeB magnets ÊÇʲô¶«Î÷ÄØ£¿ ¹òÇó ¡£¡£ |
» ÊÕ¼±¾ÌûµÄÌÔÌûר¼ÍƼö
¶àÌú²ÄÁÏ |
» ²ÂÄãϲ»¶
2025ÄêåÚÏë
ÒѾÓÐ4È˻ظ´
Ͷ¸åElsevierµÄÔÓÖ¾£¨·µÐÞ£©£¬×ÜÊÇÔÚÑ¡ÔñOAºÍsubscription½çÃæ±»Ì߯¤Çò
ÒѾÓÐ8È˻ظ´
×ÔÈ»¿ÆÑ§»ù½ðίÐû²¼Æô¶¯ÉêÇëÊé¡°ÊÝÉíÌáÖÊ¡±Ðж¯
ÒѾÓÐ4È˻ظ´
Çó¸ö²©µ¼¿´¿´
ÒѾÓÐ18È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
¡¾½»Á÷¡¿Çë½Ìµç´Åѧ¸ßÊÖ£¬ÔõÑù²ÅÄܰѵç´Å³¡ÓĽûÔÚÒ»¸öÄÉÃ×¼¶±ðµÄ¿Õ¼äÄÚ
ÒѾÓÐ28È˻ظ´
¡¾ÇóÖú¡¿ÓÐʲô¼òµ¥·½·¨¿ÉÒÔ¼ì²âµØÏ´ų¡Â𣿣¿£¿
ÒѾÓÐ10È˻ظ´
¡¾·ÖÏí¡¿ÆÕ¼°ÏÂ×î¼òµ¥µÄ·½·¨£¬ÈçºÎÓÃUÅ̰²×°ÏµÍ³£¡¡¾ÒÑËÑË÷ÎÞÖØ¸´¡¿
ÒѾÓÐ24È˻ظ´
Ëï?ª730
ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)
- ÎïÀíEPI: 7
- Ó¦Öú: 537 (²©Ê¿)
- ¹ó±ö: 0.961
- ½ð±Ò: 22929.7
- É¢½ð: 6464
- ºì»¨: 177
- ɳ·¢: 16
- Ìû×Ó: 8217
- ÔÚÏß: 2897.2Сʱ
- ³æºÅ: 490447
- ×¢²á: 2008-01-03

13Â¥2012-03-02 21:31:09







»Ø¸´´ËÂ¥