| ²é¿´: 462 | »Ø¸´: 2 | ||
mingde½ð³æ (ÕýʽдÊÖ)
|
[ÇóÖú]
ÓÐÒ»¶Î¹ØÓÚ¾ÛºÏÎïÅÝĵÄÓ¢ÎÄû¿´¶®£¬Ë°ïÎÒ½âÊÍһϣ¿
|
|
Avalle et al. characterised compressive impact loading of polymeric foams over a range of densities using energy absorption diagrams. They showed that, for a particular density, a foam is most efficient at absorbing the kinetic energy of an impact over a limited range of stress, after which the stress rises rapidly with little corresponding increase in absorbed energy. By means of a functionally graded foam, it may be possible to combine a large range of densities to improve the energy absorbing efficiency over a wider range of stress levels. ÄǸöÄÜÁ¿Îü¸½ÊÇɶÒâ˼£¿Ê²Ã´ÐÔÄÜ£¿ functionally graded foamÊǹ¦ÄÜÌݶȲÄÁϵÄÒâ˼¡£ |
» ²ÂÄãϲ»¶
2026Äê8ÔÂ25ÈÕ¹ú×ÔÈ»·Å°ñǰͻȻÊÕµ½ÁÐÈëÆÀÉóר¼ÒÓʼþ£¬ÓйØÏµÂð£¿
ÒѾÓÐ18È˻ظ´
ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O.5.4,¿ÆÄ¿È«,¿É+¼±
ÒѾÓÐ3È˻ظ´
½ñÌìÎñί»á¿ªÍêÁË£¬Ã÷Ìì³ö½á¹ûÂð
ÒѾÓÐ21È˻ظ´
ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËŷŵÄ÷»¨¡£
ÒѾÓÐ9È˻ظ´
Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿
ÒѾÓÐ6È˻ظ´
ÓÐûÓдóÉñ°ïÎÒ¿´¿´»ù½ð´úÂë
ÒѾÓÐ10È˻ظ´
·Å°ñǰµÄ²»µ¶¨
ÒѾÓÐ19È˻ظ´
ijЩ»ú¹¹£¬ÒÔЧÂʵÍΪÈÙ£¬ÒÔЧÂʵÍ×÷Ϊ´æÔÚ¸Ð
ÒѾÓÐ10È˻ظ´
2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË
ÒѾÓÐ23È˻ظ´
½ñÈÕ²»·Å°ñ£¿Íø´«¹ú×ÔȻԤ¼Æ 8 Ô 27 Èտɲé½á¹û
ÒѾÓÐ22È˻ظ´
» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
ÇóÖú£ºÒ»¶ÎÓ¢ÎÄ·Ò룬¼±£¡¸Ðл£¡
ÒѾÓÐ1È˻ظ´
°ïæ·ÒëÒ»¶ÎÓ¢ÎÄÎÄÏ×
ÒѾÓÐ3È˻ظ´
Çë°ïÖú½«Ò»¶ÎÓ¢ÎÄÒë³ÉÖÐÎÄ£¬Ð»Ð»
ÒѾÓÐ4È˻ظ´
Çë°ï潫һ¶ÎÓ¢ÎÄ·Òë³ÉÖÐÎÄ£¬¶àл
ÒѾÓÐ1È˻ظ´
Çó¸ßÊÖ°ïæ·ÒëÒ»¶ÎÓ¢ÎÄ£¬ÒªÍ¨Ë³£¬²»Òª¹È¸è·ÒëÖ®ÀàµÄ£¡
ÒѾÓÐ3È˻ظ´
Ó¢ÎÄÎÄÏ×ÐèÒª·Òëһϣ¬ËÄܰïÏÂæ
ÒѾÓÐ2È˻ظ´
Çë°ïæ·ÒëÒ»¸ö¹ØÓÚ¿ÚÌãÒß²¡¶¾µÄÓ¢ÎÄÕªÒª
ÒѾÓÐ2È˻ظ´
¡¾ÇóÖú¡¿Ó¢ÓïÌ«ÄÑÁË£¬ÄÄλºÃÐÄÈËÄܰïÎÒ·ÒëÏÂÏÂÃæ¹ØÓÚÆìÅÛµÄÕâ¶ÎÖÐÎÄ£¬·Òë³ÉÓ¢ÎÄ£¬Ð»
ÒѾÓÐ5È˻ظ´
Çë°ïÎÒ°ÑÒ»¶ÎÖÐÎÄÕªÒª·Òë³ÉÓ¢ÎÄ£¬Ð»Ð»
ÒѾÓÐ1È˻ظ´
°ïæ°ÑÒ»¶ÎÖÐÎÄÒë³ÉÓ¢ÎÄ
ÒѾÓÐ3È˻ظ´
Ͷ¸åJournal of Crystal Growth±»¾Ü£¬Ò»¾äÄÚÈÝû¿´¶®£¬Âé·³ÄÄλ°ïæ½âÊÍһϡ£
ÒѾÓÐ16È˻ظ´
zznjut
ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)
ÍòÀï¶ÀÐÐÖ®½ºþÉ¢ÈË
- PEPI: 16
- Ó¦Öú: 870 (²©ºó)
- ¹ó±ö: 2.734
- ½ð±Ò: 15769.4
- É¢½ð: 21901
- ºì»¨: 220
- ɳ·¢: 418
- Ìû×Ó: 17374
- ÔÚÏß: 3280.5Сʱ
- ³æºÅ: 837501
- ×¢²á: 2009-08-31
- רҵ: ³ÉÈ˽ÌÓýѧ
- ¹ÜϽ: ¸ß·Ö×Ó

2Â¥2012-02-17 15:29:56
zhaobingscu
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 3 (Ó×¶ùÔ°)
- ½ð±Ò: 71.9
- É¢½ð: 54
- ºì»¨: 2
- Ìû×Ó: 358
- ÔÚÏß: 193.4Сʱ
- ³æºÅ: 930735
- ×¢²á: 2009-12-19
- רҵ: ¸ß·Ö×ÓÎïÀíÓë¸ß·Ö×ÓÎïÀí»¯
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
mingde(½ð±Ò+18): ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ лл£¬Õâλ³æ³æÒ»ÑÔÁîÔÚÏÂéÈû¶Ù¿ª°¡¡£ 2012-02-19 22:51:20
mingde(½ð±Ò+18): ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ лл£¬Õâλ³æ³æÒ»ÑÔÁîÔÚÏÂéÈû¶Ù¿ª°¡¡£ 2012-02-19 22:51:20
| ²»ÊÇÄÜÁ¿Îü¸½ÊÇÄÜÁ¿ÎüÊÕ¡£´ó¸ÅÒâ˼ÊÇ£¬Avalle et al. ͨ¹ýÄÜÁ¿ÎüÊÕͼ±íÕ÷ÁËһϵÁÐÃܶȵÄÅÝĵÄѹËõ³å»÷ÔØºÉ¡£Ñо¿½á¹ûÏÔʾ£¬¶ÔÓÚ¸ø¶¨ÃܶȵÄÌõ¼þÏ£¬ÅÝÄÖ»ÄÜÔÚÓÐÏÞµÄÓ¦Á¦·¶Î§ÄÚÎüÊÕ³å»÷´øÀ´µÄ¶¯ÄÜ¡£¶øÒ»µ©³¬³öÕâ¸öÓ¦Á¦·¶Î§£¬Ó¦Á¦¼±ËÙÉÏÉý¶øÎüÊÕµÄÄÜÁ¿»ù±¾²»Ôö¼Ó¡£¶øÌݶÈÅÝı¾ÉíµÄÃܶÈËù´¦µÄ·¶Î§½Ï¿í£¬Ëü¾Í¿ÉÒÔÔڽϿíµÄÓ¦Á¦·¶Î§ÄÚÌá¸ßÄÜÁ¿µÄÎüÊÕЧÂÊ¡£ |
3Â¥2012-02-19 16:48:52









»Ø¸´´ËÂ¥