24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 673  |  »Ø¸´: 8
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

lilei7338050

[½»Á÷] ÇóÖúÒ»¸ö ¹ØÓÚ½çÃæµÄÎÊÌâ

Äý¹Ì¹ý³ÌÖÐΪʲô֦¾§ÑØ×ŹÌÒº½çÃæÄÜ´óµÄ·½ÏòÉú³¤?
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

haimlu

ľ³æ (ÕýʽдÊÖ)

¸ù¾Ýwuff¶¨Âɾ§ÌåµÄ×îÖÕÍâ¹ÛÐÎòһ°ãÊÇÓɸßÖ¸Êý¾§Ãæ¹¹³É?????

Õâ¸öÊÇ´ÓʲôµØ·½¿´µ½£¿
FCCµÄÒ»°ã²»¾ÍÊÇ8¸ö£¨111£©£«6£¨100£©»¹ÊÇ£¨110£©Âð£¿
8Â¥2007-06-29 08:44:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

huqifang

½ð³æ (ÕýʽдÊÖ)

Äý¹Ì¹ý³ÌÖÐΪʲô֦¾§ÑØ×ŹÌÒº½çÃæÄÜ´óµÄ·½ÏòÉú³¤?????
²»¿ÉÄܰɣ¿£¿£¿£¿Ó¦¸ÃÊÇÑØ×ŹÌÒº½çÃæÄÜ×îСµÄ·½ÏòÉú³¤²Å¶Ô£¡ÇëÈ·ÈÏһϣ¡ÑعÌÒº½çÃæÄÜ×îСµÄ·½ÏòÉú³¤ºÜÈÝÒ×Àí½â£¬ÒòΪÄý¹ÌÊÇÒ»¸öÏà±ä¹ý³Ì£¬¶øÐÂÏàÉú³É»áÐγÉеĽçÃæ£¬½çÃæÓнçÃæÄÜ£¬´Ó¶øÔö¼ÓÕû¸öÌåϵµÄ×ÔÓÉÄÜ£¬ËùÒÔ¸ÃÐèÒªÍâ½çÌṩÄÜÁ¿¶ÔËü×÷¹¦£¬Òò´ËÑØ×ÅÑØ¹ÌÒº½çÃæÄÜ×îСµÄ·½Ïò³¤ËùÐèÒªµÄÄÜÁ¿×îµÍ¡£
2Â¥2007-06-28 19:27:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ahaxin

½ð³æ (³õÈëÎÄ̳)

Â¥Ö÷µÄÒâ˼ÊDz»ÊÇ˵Ê÷֦״Éú³¤Ê¹¹ÌÒº½çÃæÔö´óµÃ¸ü¶à°¡?
Õâ¸öÎÊÌâÎʵÃÓÐÎÊÌâ°É?
Ê÷Ö¦¾§Éú³¤µÄÔ­Òò¼òµ¥ËµÓÐÁ½Àࣺ´Ö²ÚÐ͹ÌÒº½çÃæ£¬ÇÒÇ°ÑØÒºÏฺµÄζÈÌݶȷֲ¼£»ÔÙÕß¾ÍÊdzɷֹýÀä
3Â¥2007-06-28 20:06:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lilei7338050

Dendrites typically grow along the direction
corresponding to the maximum in r. For fcc metals, the growth direction is
generally [100]; The quantity r is defined as the reversible
work necessary to form a unit area of crystal¨Cmelt interface.

ÕâÊdzö×Ô"Crystal¨CMelt Interfaces and Solidification Morphologies in Metals and Alloys", Æäʵ2¥˵µÄÒ²ÕýÊÇÎÒÎʵÄÔ­Òò.
4Â¥2007-06-28 20:43:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ¿¼Ñе÷¼Á +27 ÔÆÄ¾´ï´ï 2026-04-11 29/1450 2026-04-12 22:48 by kyle12138
[¿¼ÑÐ] 211±¾¿Æ²ÄÁÏ»¯¹¤Çóµ÷¼Á +16 YHLAH 2026-04-11 19/950 2026-04-12 22:43 by kyle12138
[¿¼ÑÐ] 339Çóµ÷¼Á +3 hanwudada 2026-04-12 3/150 2026-04-12 21:43 by lbsjt
[¿¼ÑÐ] ÉúÎïѧ308Çóµ÷¼Á +5 ÏàÐűػá¹ââÍòÕ 2026-04-11 5/250 2026-04-12 18:14 by zhouxiaoyu
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +3 RussHu 2026-04-12 4/200 2026-04-12 17:49 by ³ÂƤƤ
[¿¼ÑÐ] Çóµ÷¼Á +16 ÕÅ·¬ÇѲ»³´µ° 2026-04-10 17/850 2026-04-12 13:58 by °¾Ò¹³É£¡
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +3 Say Never 2026-04-11 3/150 2026-04-11 17:22 by daydayup2005
[¿¼ÑÐ] ³õÊÔ261 +3 AshtÉÙ 2026-04-10 6/300 2026-04-10 16:38 by AshtÉÙ
[¿¼ÑÐ] 344Çóµ÷¼Á +7 ؼ·çѩҹ¹éÈËØ¼ 2026-04-09 7/350 2026-04-10 12:05 by pengliang8036
[¿¼ÑÐ] 0702ÎïÀíѧѧ˶299Çóµ÷¼Á +6 ÆîÆâÁ¬ 2026-04-06 6/300 2026-04-10 11:10 by Roomoo
[¿¼ÑÐ] ²ÄÁÏ299ר˶Çóµ÷¼Á +10 +21 2026-04-09 10/500 2026-04-09 17:34 by 1753564080
[¿¼ÑÐ] Ò»Ö¾Ô¸ÏôóÉúÎïѧ332Çóµ÷¼Á +10 ³Ø³Ø³Ø³Ø³Ø³Ø 2026-04-08 10/500 2026-04-09 17:10 by ¶À×íÃι³Ç
[¿¼ÑÐ] 085404£¬334·Ö£¬Çóµ÷¼Á +5 sunjie8888 2026-04-08 8/400 2026-04-09 07:26 by sunjie8888
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤×¨Ë¶306·ÖÕÒºÏÊʵ÷¼Á +27 ²×º£ÇáÖÛe 2026-04-06 28/1400 2026-04-08 22:06 by wdyheheeh
[¿¼ÑÐ] 0854Çóµ÷¼Á +9 ºàÊÏ·¬ÇÑɳ˾ 2026-04-06 10/500 2026-04-07 14:37 by shdgaomin
[¿¼ÑÐ] ÐŹ¤Ëù11408 340·Ö ±¾¿ÆÎ÷°²½»´ó×Ô¶¯»¯ +3 moontrek 2026-04-06 3/150 2026-04-07 09:56 by chongya
[¿¼ÑÐ] 287·ÖÇóµ÷¼Á ÓÐרÀû¹ú½±Ò»Ö¾Ô¸¹þ¹¤´ó085406 +6 °×Ò׳½ 2026-04-06 7/350 2026-04-06 22:46 by 875465
[¿¼ÑÐ] 327¿¼Ñе÷¼ÁÍÆ¼ö +6 ÎØÎØÎØÎØÄØ 2026-04-06 6/300 2026-04-06 21:39 by à£à£à£0119
[¿¼ÑÐ] ÉúÎïѧѧ˶Çóµ÷¼Á£º351·ÖÒ»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧÉúÎïѧרҵ +6 ¡­¡«¡¢Íõ¡­¡« 2026-04-06 7/350 2026-04-06 18:54 by macy2011
[¿¼ÑÐ] 22408 331·ÖÇóµ÷¼Á +4 y__1 2026-04-06 4/200 2026-04-06 17:26 by ÍÁľ˶ʿÕÐÉú
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û