±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 240  |  »Ø¸´: 2
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

hangyu138

ľ³æ (СÓÐÃûÆø)

[½»Á÷] ÇóÖúÒ»¶Î»°µÄ·­Òë

¾Û´×ËáÒÒÏ©õ¥µÄ¾ÛºÏ¶È²âÊÔÑо¿

²ÉÓÃÄý½ºÉøÍ¸É«Æ×£¨GPC£©·¨²â¶¨µÄ¾Û´×ËáÒÒÏ©õ¥£¨PVAc£©µÄ¾ÛºÏ¶ÈΪ»ù×¼£¬½«PVAcÏ¡ÈÜÒº½üËÆ¿´×÷Å£¶ÙÁ÷Ì壬ͨ¹ýÐýתճ¶È¼Æ²â¶¨PVAcµÄÌØÐÔÕ³¶È[ ]Öµ¡£¶ÔlnP-ln[ ]/C½øÐÐÏßÐÔÄâºÏ£¬ÍƵ¼³ö²â¶¨PVAc¾ÛºÏ¶ÈµÄ¾­Ñ鹫ʽΪlnP ©„4.7287 ln[ ]/C + 6.1796¡£ÓÃÎÚÊÏÕ³¶È¼Æ·¨ÑéÖ¤¾­Ñ鹫ʽ£¬´Ë¹«Ê½¾ßÓÐÒ»¶¨µÄ¿É¿¿ÐÔ¡£¸ù¾Ý²»Í¬µÄʵÑéÊÒÌõ¼þºÍ¶ÔPVAc¾ÛºÏ¶È¾«È·¶ÈµÄ²»Í¬£¬Ñ¡Ôñ²»Í¬µÄ²âÊÔ·½·¨

£ª£ª£ª£ª£ª£ªÇë¸÷λ¸ßÊÖÀ´·­Ò룬ѰÇó׼ȷºÏÀíµÄ·­Ò룬¶ø·ÇÍøÂçµÄ´Ö·­ºÍ²»¸ºÔðÈεÄ̬¶È£¬ÔÚ´Ë¡£Ð¡ÃþÍллÁË£ª£ª£ª£ª£ª£ª

[ Last edited by hangyu138 on 2009-5-7 at 17:13 ]

» ²ÂÄãϲ»¶

Òª×ö¾ÍÒª×öµ½×îºÃ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiapeng08

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï
hangyu138(½ð±Ò+1,VIP+0):ËäÈ»²»ÊÇÌ«ºÃ£¬Ó¦ÓÃÁËÍøÂç·­Ò룬¹þ¹þ£¬¸ÐлÄãµÄ²ÎÓë 5-8 21:08
hangyu138(½ð±Ò+1,VIP+0): 5-11 18:29
hangyu138(½ð±Ò+1,VIP+0): 5-22 23:40
Polyvinyl acetate test study of the polymerization degree

Using gel permeation chromatography (GPC) method of polyvinyl acetate (PVAc) based on the degree of polymerization, the PVAc dilute solution as a Newtonian fluid approximation, through the rotating viscometer of the intrinsic viscosity determination of PVAc [] value . Of lnP-ln [] / C for linear fit, derived from the determination of the degree of polymerization of PVAc empirical formula for lnP = 4.7287 ln [] / C + 6.1796. Ubisch viscometer method used to verify the empirical formula, the formula has a certain reliability. Laboratory under different conditions and degree of polymerization of PVAc different accuracy, choose a different test methods
2Â¥2009-05-07 23:31:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hangyu138

ľ³æ (СÓÐÃûÆø)

Ï£Íû£¬¸÷λţÈËǰÀ´°ï棬ллÁË
Òª×ö¾ÍÒª×öµ½×îºÃ
3Â¥2009-05-08 21:10:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ hangyu138 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò¼·¡·¡ÒÚ 2026-04-04 14/700 2026-04-05 23:31 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] 308Çóµ÷¼Á +3 ÖÕ²»ËÆ´Óǰ 2026-04-05 3/150 2026-04-05 20:07 by à£à£à£0119
[¿¼ÑÐ] 385·Ö ÉúÎïѧ£¨071000£©Çóµ÷¼Á +11 qf626 2026-04-01 11/550 2026-04-05 17:35 by Ecowxq666£¡
[¿¼ÑÐ] 313Çóµ÷¼Á +5 º£ÈÕº£ÈÕ 2026-04-04 7/350 2026-04-05 13:58 by imissbao
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +12 ²×º£ÇáÖÛe 2026-04-03 13/650 2026-04-04 23:45 by lqwchd
[¿¼ÑÐ] ÇóÉúÎïѧµ÷¼Á +14 15172915737 2026-04-01 14/700 2026-04-04 20:13 by babysonlkd
[¿¼ÑÐ] 349Çóµ÷¼Á +11 zwjjjjjj 2026-03-31 11/550 2026-04-04 19:52 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 278Çóµ÷¼Á +6 Yy7400 2026-04-03 6/300 2026-04-04 09:53 by zhangdingwa
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖйúʯÓÍ´óѧ»¯Ñ§¹¤³Ì323·ÖÇóµ÷¼Á +4 »¯¹¤×¨Ë¶323·Ö 2026-04-03 6/300 2026-04-03 22:12 by dongzh2009
[¿¼ÑÐ] 286Çóµ÷¼Á +8 lim0922 2026-04-02 8/400 2026-04-03 20:19 by rzh123456
[¿¼ÑÐ] 08¹¤¿Æ£¬295£¬½ÓÊÜ¿çרҵµ÷¼Á +8 lmnlzy 2026-03-30 8/400 2026-04-03 13:08 by nalakaiqi
[¿¼ÑÐ] 262Çóµ÷¼Á +6 ÀøÖ¾Ò»¶¨·¢ÎÄÕ 2026-04-02 7/350 2026-04-03 09:54 by linyelide
[¿¼ÑÐ] 085600 295·ÖÇóµ÷¼Á +19 W55j 2026-03-30 23/1150 2026-04-03 09:53 by ǧǧÔËÆø
[¿¼ÑÐ] 270µ÷¼Á +7 maxjxbsk 2026-04-02 7/350 2026-04-02 09:50 by yulian1987
[¿¼ÑÐ] 08¹¤¿Æ£¬295£¬½ÓÊÜ¿çרҵµ÷¼Á +6 lmnlzy 2026-03-31 6/300 2026-04-01 11:02 by ÄæË®³Ë·ç
[¿¼ÑÐ] 085601Ó¢¶þÊý¶þÇóµ÷¼Á ×Ü·Ö325 +4 Óຽº½ 2026-03-31 4/200 2026-03-31 17:38 by ÌÆãå¶ù
[¿¼ÑÐ] Ó¢Ò»ÊýÒ»×Ü·Ö334Çóµ÷¼Á +4 ³ÂÑôÀ¤ 2026-03-31 4/200 2026-03-31 14:22 by ¼Çʱ¾2026
[¿¼ÑÐ] 262Çóµ÷¼Á +7 ZZ..000 2026-03-30 8/400 2026-03-31 10:05 by cal0306
[¿¼ÑÐ] ²ÄÁÏר˶ 085600Çóµ÷¼Á +7 BBQ233 2026-03-30 7/350 2026-03-30 17:44 by oooqiao
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û