±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 772  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÐÁ°Í¹éÀ´

½ð³æ (СÓÐÃûÆø)

·ÇÄã²»°®Ð¡ÎÑ

[ÇóÖú] ÄÄλ¸ßÈ˰ïÎÒ·­Ò»ÏÂo(¡É_¡É)o

After 180 min, the reaction mixture was immediately
filtered through Whatman filter paper no. 41. The residue
was dried in vacuum oven at 70¡æ. The dry residue was then
made free from homopolymer by exhaustive extraction with
hot N,N-dimethyl formamide for 20-24 h till the supernatant
layer showed no precipitation of poly(methacrylonitrile)
with water, a precipitant used in the present work.
×ÖÃæÒâ˼¶¼¶®£¬Ï£ÍûÓнøÒ»²½µÄÏêϸ˵Ã÷£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÈËÉúÈýºÞ£ºÒ»ºÞº£ÌÄÎÞÏ㣬¶þºÞöåÓã¶à´Ì£¬ÈýºÞºìÂ¥ÃÎδÍê¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

root1697

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÐÁ°Í¹éÀ´(½ð±Ò+2): ллÄ㣬ÒÔºóÓлú»á¶à¶à½»Á÷£¬ÇëÎÊÄãµÄÑо¿·½ÏòÊÇʲôѽ 2011-07-08 16:59:28
ÒýÓûØÌû:
Originally posted by qiuxuesha at 2011-06-30 12:43:29:
·­Òëͬ¥1. µ«ÊÇ£¬ÎÒµÄÀí½âÊÇ£º
Òò¸Ã·ÖÀë¾ù¾ÛÎhomopolymer) µÄ·½·¨¡£ÕâÀïµÄ¾ù¾ÛÎïÒò¸ÃÊÇpoly(methacrylonitrile)¡£ Ö¸°Ñ¾ù¾ÛÎï´Ó¹²¾ÛÎïÖзÖÀë¡£ ¶ø²»ÊÇÖÆ±¸¾ù¾ÛÎï¡£

.........made free from homopolymer ...

ͬÒâ¡£

¾ù¾ÛÎïÊÇÒª³ýµôµÄ£¬³ýµôµÄ·½·¨ÊÇÓÃN£¬N-¶þ¼×õ£°·³éÌá20-24Сʱ£¬Åжϳý¸É¾»Ã»Óеķ½·¨ÊÇ£º³éÌáÏÂÀ´µÄ£¨N£¬N-¶þ¼×õ£°·£©ÇåÒºÖв»ÔÙ²úÉú³Áµí£¨³Áµí¼ÁΪˮ£©¡£
5Â¥2011-06-30 13:08:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

yjk2008

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

180·ÖÖӺ󣬷´Ó¦»ìºÏÎï±»Á¢¼´ÓÃ41ºÅÂËÖ½¹ýÂË¡£²ÐÔüÔÚÕæ¿Õ¯ÖÐÓÚ70¶ÈÏĸÉÔȻºóͨ¹ýÓÃÈȵÄN,N -¶þ¼×»ù¼×õ£°·³éÆøÝÍÈ¡¸Ã²ÐÔü20~24СʱֱÖÁ³¬±¥ºÍ²ã²»ÏÔʾ¾Û¼×»ù±ûÏ©ëæ³Áµí£¬ÒÔ´ËÀ´ÖƱ¸ÓÎÀë¾ù¾ÛÎï¡£±¾ÊµÑéÖÐÓÃË®×÷³Áµí¼Á¡£
ÎÒÊÇ¿ìÀֵ᤯¤Ð¡¹·
2Â¥2011-06-28 08:20:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lyf88

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

180·ÖÖӺ󣬷´Ó¦»ìºÏÎïÁ¢¼´Í¨¹ý41#ÂËÖ½¹ýÂË,²ÐÁôÎïÔÚÕæ¿Õ¸ÉÔïºæÏä70¡æºæ¸É¡£¸ÉÔïµÄ²ÐÁôÎȻºóÓÃÈÈN£¬N -¶þ¼×»ù¼×õ£°·ÌáÈ¡20-24 h£¬Ö±ÖÁÉÏÇåÒº²ã£¨Ë®²ã£©Ã»Óоۣ¨¼×»ù±ûÏ©ëæ£©³Áµí¡£µÃµ½¾ù¾ÛÎ³Áµí£©£¬ÔÚÕâÒ»¹¤×÷ÖÐÓÃ×÷³Áµí¼Á¡£
  Ò²¾ÍÊÇ˵£¬ÏȹýÂ˸ÉÔºó·ÖÀë³ö¾ù¾ÛÎïÓÃ×÷³Áµí¼Á¡£
3Â¥2011-06-28 11:41:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qiuxuesha

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

·­Òëͬ¥1. µ«ÊÇ£¬ÎÒµÄÀí½âÊÇ£º
Òò¸Ã·ÖÀë¾ù¾ÛÎhomopolymer) µÄ·½·¨¡£ÕâÀïµÄ¾ù¾ÛÎïÒò¸ÃÊÇpoly(methacrylonitrile)¡£ Ö¸°Ñ¾ù¾ÛÎï´Ó¹²¾ÛÎïÖзÖÀë¡£ ¶ø²»ÊÇÖÆ±¸¾ù¾ÛÎï¡£

.........made free from homopolymer by.......
4Â¥2011-06-30 12:43:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 311£¨085601£©Çóµ÷¼Á +3 liziyeyeye 2026-03-28 3/150 2026-03-28 15:29 by 1018329917
[¿¼ÑÐ] ±¾¿ÆÐÂÄÜÔ´¿ÆÑ§Ó빤³Ì£¬Ò»Ö¾Ô¸»ªÀíÄܶ¯285Çóµ÷¼Á +3 AZMK 2026-03-28 5/250 2026-03-28 13:55 by AZMK
[¿¼ÑÐ] 321Çóµ÷¼Á +6 è±Óñ~~ 2026-03-25 6/300 2026-03-28 11:09 by WWM123
[¿¼ÑÐ] 292Çóµ÷¼Á +14 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 15/750 2026-03-28 08:45 by WYUMater
[¿¼ÑÐ] 286Çóµ÷¼Á +4 ¶ªµôÀÁ¶è 2026-03-27 7/350 2026-03-28 08:07 by baoball
[²ÄÁϹ¤³Ì] Ò»Ö¾Ô¸C9²ÄÁÏÓ뻯¹¤×¨Òµ×Ü·Ö300Çóµ÷¼Á +8 Âü111 2026-03-24 9/450 2026-03-28 07:58 by YYYYX1234
[¿¼ÑÐ] 275Çóµ÷¼Á +10 jjjjjjjjjjl 2026-03-27 10/500 2026-03-27 23:47 by barnett0632
[¿¼ÑÐ] ʳƷ¹¤³Ìר˶һ־ԸÖк£Ñó309Çóµ÷¼Á +3 СÕÅzxyÕÅ 2026-03-26 5/250 2026-03-27 18:42 by СÕÅzxyÕÅ
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +10 722865 2026-03-23 10/500 2026-03-27 15:51 by Plutoqq
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] 08¿ªÍ·275Çóµ÷¼Á +4 À­Ë­²»ÖØÒª 2026-03-26 4/200 2026-03-27 14:12 by Delta2012
[¿¼ÑÐ] Ò»Ö¾Ô¸±±»¯Çóµ÷¼Á +3 Jsman 2026-03-22 3/150 2026-03-26 21:06 by ajpv·çÀ×
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐÇóµ÷¼Á +3 Dendel 2026-03-23 6/300 2026-03-26 17:51 by fmesaito
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤328·Öµ÷¼Á +6 ¡££¬¡££¬¡££¬¡£i 2026-03-23 6/300 2026-03-25 22:30 by 418490947
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ÉúÎï¼¼ÊõÓ빤³Ì +3 1294608413 2026-03-25 4/200 2026-03-25 18:02 by 1294608413
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[¿¼ÑÐ] 080500Çóµ÷¼Á +3 zzzzfan 2026-03-24 3/150 2026-03-24 16:38 by barlinike
[»ù½ðÉêÇë] Çë½ÌÏ´ó¼Ò 2026Äê¹ú¼Ò»ù½ðÉêÇëÊÇ˫äÉóÂ𣿠+3 lishucheng1 2026-03-22 5/250 2026-03-24 08:22 by gltch
[¿¼ÑÐ] 269Çóµ÷¼Á +4 ÎÒÏë¶ÁÑÐ11 2026-03-23 4/200 2026-03-23 21:25 by pswait
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û