Znn3bq.jpeg
²é¿´: 273  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

xtwwtx521

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

µÍµ÷£¬µÍµ÷¡£

[½»Á÷] Çë½ÌZIEGLER-NATTA´ß»¯¼ÁÖÆ±¸

GGJJ´ó¼ÒºÃ£¬ ÎÒÏëѧϰÏÂZIEGLER-NATTA´ß»¯¼ÁµÄÖÆ±¸,MgCl2-TiCl4 ÓÃÓÚÒÒÏ©¾ÛºÏ, Ï£ÍûÓо­ÑéµÄÅóÓѸøÓè°ïÖú, ×îºÃÄÜÌṩµãÎÄÏ×.
»Ø¸´´ËÂ¥
ÎÒ²»ÉÏÌìÌÃË­ÉÏÌìÌÃ,Ä㲻ϵØÓü˭ϵØÓü?ÐжøÉÏѧ,²»ÐÐÉϰà.
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaodao799

ľ³æ (ÕýʽдÊÖ)

¡ï
buffaloli(½ð±Ò+1,VIP+0):¶àл£¡ºÇºÇ
¸øÄãÍÆ¼öһƬÎÄÏ×°É£¬ÎÒ²»ÊÇÕâ¸ö·½ÏòµÄ£¬²»Ì«¶®
2Â¥2008-03-07 14:23:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xtwwtx521

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

µÍµ÷£¬µÍµ÷¡£

лл.ÎÒÏÂÔØ¿´¿´¡£
ÎÒ²»ÉÏÌìÌÃË­ÉÏÌìÌÃ,Ä㲻ϵØÓü˭ϵØÓü?ÐжøÉÏѧ,²»ÐÐÉϰà.
3Â¥2008-03-07 15:18:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xtwwtx521

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

µÍµ÷£¬µÍµ÷¡£

ÕâÊÇÒ»¸ö×ÜÌåµÄÃèÊöÀï±ßûÓоßÌåµÄºÏ³É¹ý³Ì,ºÍ·ÖÎö¹ý³Ì. ºÇºÇ£¬¶ÔÓÚÎÒÕâÖÖ²ËÄñ×ö»¹ÊÇÓеãÄÑ¡£
ÎÒ²»ÉÏÌìÌÃË­ÉÏÌìÌÃ,Ä㲻ϵØÓü˭ϵØÓü?ÐжøÉÏѧ,²»ÐÐÉϰà.
4Â¥2008-03-07 15:22:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xtwwtx521 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] µ÷¼Á +10 ¾í¾í¾íÐIJË_ 2026-04-09 10/500 2026-04-10 09:53 by Delta2012
[¿¼ÑÐ] ÉúÎïѧÇóµ÷¼Á Ò»Ö¾Ô¸»¦9£¬326·Ö +7 Áõīī 2026-04-06 7/350 2026-04-10 08:11 by kangsm
[¿¼ÑÐ] »¯¹¤Çóµ÷¼Á£¡ +34 RichLi_ 2026-04-06 34/1700 2026-04-09 20:39 by zhouxiaoyu
[¿¼ÑÐ] 269Çóµ÷¼Á +7 ¹òÇóÊÕÁô¡£ 2026-04-04 7/350 2026-04-09 19:06 by ̽123
[¿¼ÑÐ] 296Çóµ÷¼Á +5 Íô£¡£¿£¡ 2026-04-09 5/250 2026-04-09 17:47 by ÄûÃʲ»Ëázy
[¿¼ÑÐ] 291·Öµ÷¼Á +3 Éϰ¶Ð¡Ó¨¼ÓÓÍ 2026-04-09 4/200 2026-04-09 17:28 by 1753564080
[¿¼ÑÐ] 265Çóµ÷¼Á +4 ·ç˵ËýÔçÍüÁË 2026-04-07 4/200 2026-04-09 13:59 by onlyÖÜ
[¿¼ÑÐ] 280Çóµ÷¼Á +5 ÙâÙâÒ¹Ò¹ 2026-04-09 8/400 2026-04-09 11:15 by ÙâÙâÒ¹Ò¹
[¿¼ÑÐ] Çóµ÷¼Á +3 ÖíÈâ¶Õ·ÛÌõcc 2026-04-08 4/200 2026-04-09 10:05 by ÖíÈâ¶Õ·ÛÌõcc
[¿¼ÑÐ] ±¾¿Æ211£¬293·ÖÇëÇóµ÷¼Á +12 Á«²Ë¾ÍÊÇź°É 2026-04-03 13/650 2026-04-08 20:30 by ±³¶Ô´óº£³ö·¢
[¿¼ÑÐ] 325 µ÷¼Á +6 QQСϺ 2026-04-07 6/300 2026-04-07 15:17 by Ccclqqq
[¿¼ÑÐ] 22408 318·ÖÇóµ÷¼Á +4 ÇڷܵÄСÁý°ü 2026-04-06 6/300 2026-04-07 15:05 by Ö½º×555
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +11 ´ó»ðɽС»ðɽ 2026-04-05 11/550 2026-04-06 22:55 by yunlongyang
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 302·Ö 085601Çóµ÷¼ÁÍÆ¼ö +11 zyxÉϰ¶£¡ 2026-04-05 11/550 2026-04-05 22:13 by dongzh2009
[¿¼ÑÐ] 353Çóµ÷¼Á +10 MayUxw1 2026-04-03 10/500 2026-04-05 09:23 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¿É¿çרҵµ÷¼Á +3 ÖÜµÄµÃµØ 2026-04-04 6/300 2026-04-04 22:21 by barlinike
[¿¼ÑÐ] µ÷¼Á +4 ÊÇ¿ÉÀÖ²»ÊÇ¿ÉÀÖ 2026-04-04 4/200 2026-04-04 19:41 by ÌÆãå¶ù
[¿¼ÑÐ] 22408£¬264Çóµ÷¼Á +3 ywh729 2026-04-03 4/200 2026-04-04 11:04 by ywh729
[¿¼ÑÐ] 294Çóµ÷¼Á +6 Grey_Ey 2026-04-03 6/300 2026-04-03 20:46 by ÐÀϲ777
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û