²é¿´: 962  |  »Ø¸´: 4

brianluy

¾èÖú¹ó±ö (ÕýʽдÊÖ)

[ÇóÖú] ÄÇλÄܸæËßÎÒʲô½Ð2(1), 3(1), 4(1) heliceµÈÊÇʲôÒâ˼ѽ£¿

ÎÒ×î½üÔÚдÎÄÕÂʱ£¬³õ´ÎÅöµ½Ò»Î¬ÂÝÐý½á¹¹£¬ÔĶÁ±ðÈËÎÄÏ×ʱ£¬¾­³£·¢ÏÖÓÐÈËÓÃ2(1), 3(1), 4(1) heliceµÈÀ´±íʾ£¬À¨ºÅµÄ1ÊÇϱê

ÎÒÏëÇë´ó¼ÒÖ¸µãһϣ¬Õâ¸ö·ûºÅ±í´ïʲôÒâ˼£¬Èç¹ûÄÜÌṩÏà¹ØµÄ³ö´¦»ò¶¨Òå¾ÍºÃÁË£¬·Ç³£¸Ðл£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

184696105

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
brianluy: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, ·Ç³£¸Ðл 2013-11-13 13:54:37
ÄÚÈÝÒÑɾ³ý
Ìṩµ¥¾§½âÎö¡¢SCIÂÛÎÄ´úд/ÈóÉ«/·­Òë¡¢Áôѧ·þÎñ¡¢ºË´ÅÆ×ͼ½âÎö¡¢ÖÐÎÄ/ÍâÎÄÎÄÏ×ÏÂÔØ¡¢¿¼ÑÐÊÔ¾íºÍ¿ÆÑÐÊý¾Ý´¦ÀíµÈ·þÎñ(¶à¹¦Äܰٱ¦Ï䣺http://mftb1314.taobao.com
2Â¥2013-11-13 10:51:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

µt­[

гæ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
brianluy: ½ð±Ò+5, ¡ïÓаïÖú, ллÄãµÄ²ÎÓ룡 2013-11-13 13:54:55
¼¸ÖØÂÝÐý¡£
¼òµ¥Ëµ¾ÍÊǾ­¹ý¼¸¸ö½Úµã»Øµ½³õʼ¡£
³ö´¦£¬Ëæ±ãÕÒ±¾½á¹¹»¯Ñ§¶¼ÓÐ
3Â¥2013-11-13 11:54:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

brianluy

¾èÖú¹ó±ö (ÕýʽдÊÖ)

лл´ó¼ÒÁË£¡

2£¨1£©¾ÍÊDZíʾ¶þÖØ£¬
µ«ÓÐЩӢÎÄÀï±íʾΪ2-fold£¬
ÇëÎÊ2-foldºÍ 2(1) (1Ϊϱê)ÊÇͬһ¸öÒâ˼Âð£¬Ð»Ð» ÁË
4Â¥2013-11-13 13:54:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

pigrass

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

ÒÁ¿¨Ë¹ÌصÄСÖí

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÒýÓûØÌû:
4Â¥: Originally posted by brianluy at 2013-11-13 13:54:09
лл´ó¼ÒÁË£¡

2£¨1£©¾ÍÊDZíʾ¶þÖØ£¬
µ«ÓÐЩӢÎÄÀï±íʾΪ2-fold£¬
ÇëÎÊ2-foldºÍ 2(1) (1Ϊϱê)ÊÇͬһ¸öÒâ˼Âð£¬Ð»Ð» ÁË

Helix±í´ï·½Ê½
¡ª¡ª¸ß·Ö×ÓÎïÀí µÚÈý°æ ºÎÂü¾ý 153Ò³
ÄÇλÄܸæËßÎÒʲô½Ð2(1), 3(1), 4(1) heliceµÈÊÇʲôÒâ˼ѽ£¿
n-fold
¡ª¡ªÎ¬»ù°Ù¿Æ Rotational_symmetry
ÄÇλÄܸæËßÎÒʲô½Ð2(1), 3(1), 4(1) heliceµÈÊÇʲôÒâ˼ѽ£¿-1
#ÓÐÎÊÌâ·¢ÂÛ̳£¬²»½ÓÊÜ˽ÁÄ#°®¾§Ì壬°®MaterialsStudio#MSר¼­µã»÷ÓÒ±ß#http://emuch.net/taotie/41673.html#ÎïÐÔÊý¾Ý#http://webbook.nist.gov/chemistry/#
5Â¥2013-11-14 10:34:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ brianluy µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³×Ü·Ö308Çóµ÷¼Á +3 īīĮ 2026-03-20 3/150 2026-03-21 07:28 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +12 yangfz 2026-03-17 12/600 2026-03-21 03:30 by JourneyLucky
[¿¼ÑÐ] 297Çóµ÷¼Á +9 Ï·¾«µ¤µ¤µ¤ 2026-03-17 9/450 2026-03-21 01:49 by JourneyLucky
[¿¼ÑÐ] 280Çóµ÷¼Á +7 ¹¾ààÏþÏþ 2026-03-18 8/400 2026-03-21 01:27 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +5 ²Ä»¯ÖðÃÎÈË 2026-03-18 5/250 2026-03-21 00:26 by JourneyLucky
[¿¼ÑÐ] 299Çóµ÷¼Á +4 shxchem 2026-03-20 5/250 2026-03-21 00:24 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó²ÄÁϹ¤³Ìר˶330·ÖÇóµ÷¼Á +8 С²Ä»¯±¾¿Æ 2026-03-18 8/400 2026-03-20 23:16 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤²ÄÁϹ¤³Ìר˶µ÷¼Á +9 Doleres 2026-03-19 9/450 2026-03-20 22:36 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»Í¨´óѧ ѧ˶ 354Çóµ÷¼Á +3 ÎÒÏëÒª¶ÁÑо¿Éú 2026-03-20 3/150 2026-03-20 20:13 by JourneyLucky
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +7 À§ÓÚÐdz¿ 2026-03-17 9/450 2026-03-20 17:38 by ÎÞи¿É»÷111
[¿¼ÑÐ] 0856µ÷¼Á£¬ÊÇѧУ¾ÍÈ¥ +8 sllhht 2026-03-19 9/450 2026-03-20 14:25 by ÎÞи¿É»÷111
[¿¼²©] É격26Äê +3 °Ë6°Ë68 2026-03-19 3/150 2026-03-19 19:43 by nxgogo
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶µ÷¼Á +5 204818@lcx 2026-03-17 6/300 2026-03-18 22:55 by 204818@lcx
[¿¼ÑÐ] 0854¿É¿çµ÷¼Á£¬Ò»×÷Ò»ÏîºËÐÄÂÛÎÄÎåÏîרÀû£¬Ê¡¡¢¹ú¼¶Ö¤Êé40+ÊýÒ»Ó¢Ò»287 +8 СÀî0854 2026-03-16 8/400 2026-03-18 14:35 by ²«»÷518
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 304Çóµ÷¼Á +12 СÐÜjoy 2026-03-14 13/650 2026-03-18 12:34 by Linda Hu
[¿¼ÑÐ] 268Çóµ÷¼Á +6 ¼òµ¥µã0 2026-03-17 6/300 2026-03-18 09:04 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ÎÄ˼¿Í 2026-03-16 7/350 2026-03-16 18:21 by ÎÄ˼¿Í
[¿¼ÑÐ] 297Ò»Ö¾Ô¸ÉϽ»085600Çóµ÷¼Á +5 Ö¸¼â°ËǧÀï 2026-03-14 5/250 2026-03-14 17:26 by a²»Ò×
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û