| ²é¿´: 634 | »Ø¸´: 3 | ||
yuyuyuoyгæ (СÓÐÃûÆø)
|
[ÇóÖú]
ÇóÖúÁ½¸öÓ¢Óï¸ßÎïÌâÄ¿
|
|
ÒòΪ±¾ÈËÔÚ¹úÍâ¶ÁÊéµÄ£¬ËùÒÔÌâÄ¿ÊÇÓ¢ÓïµÄ¡£¡£¡£ 1.List four pieces of evidence for chain entanglement in high molecular linear polymers. 2. The entanglement molecular weight Me for PS is considerably higher than that for PE. Why? Answer is in one sentence, not more. ¸÷λ´óÉñÈç¹û¿ÉÒÔ¿ÉÒÔÓÃÓ¢ÓïÖ±½Óд´ð°¸µÄ×îºÃÁË£¬ÖÐÎͼ¿ÉÒÔ¡£¡£¡£Îޱȸм¤°¡ |
» ²ÂÄãϲ»¶
ÅóÓÑȦ¿´µ½µÄ
ÒѾÓÐ9È˻ظ´
ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî
ÒѾÓÐ13È˻ظ´
ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡
ÒѾÓÐ16È˻ظ´
·Å°ñǰµÄ²»µ¶¨
ÒѾÓÐ17È˻ظ´
¿ÆÑй¶ùÌ«ÄÑÁË
ÒѾÓÐ19È˻ظ´
Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿
ÒѾÓÐ4È˻ظ´
ʲôʱºò¿ª½±£¿
ÒѾÓÐ11È˻ظ´
·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë
ÒѾÓÐ6È˻ظ´
½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã
ÒѾÓÐ14È˻ظ´
2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË
ÒѾÓÐ17È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
ÇóÖúÖÐÎÄÃû³Æ Á½¸öÓ¢ÎÄÃû×ÖÒѾ¸ø Ó¢Óï¸ßÊÖ¿ìÀ´°¡
ÒѾÓÐ4È˻ظ´
³¬¸ßÎÂÌÕ´ÉÓ¢ÎÄ×ÛÊöÁ½¸ö£¨Ó¦ÇóÖú·¢£©
ÒѾÓÐ103È˻ظ´
ÇóÖúÁ½¸ö»¯ºÏÎïµÄ·´Ó¦Ìõ¼þ¼°·´Ó¦²úÎï
ÒѾÓÐ3È˻ظ´
ÈçºÎŪµ½ÀúÄ꿼²©×¨Òµ¿ÎÕæÌ⣬¿¼²©ÕæÌâÓ뿼ÑÐÕæÌâ»á²îºÜ¶àÂï
ÒѾÓÐ54È˻ظ´
¡¾ÇóÖú¡¿ÇóÖúÁ½¸ö»¯ºÏÎïËáÐÔ´óС±È½Ï¡¢
ÒѾÓÐ3È˻ظ´
¡¾ÇóÖú¡¿Çóµ÷¼Á£¬×Ü·Ö314£¬Ó¢Óï47£¬ÕþÖÎ59£¬Êýѧ¶þ82£¬¸ß·Ö×Ó»¯Ñ§ÓëÎïÀí126
ÒѾÓÐ11È˻ظ´
Éó¸åר¼ÒµÄÁ½¸öÒâ¼û£¬Ó¢Óï±È½Ï²î£¬¿´µÃ²»ÊǺÜÃ÷°×¡£ÇóÖú£¡
ÒѾÓÐ3È˻ظ´
¡¾ÇóÖú¡¿Á½¸öXRDͼµÄÎïÏà·ÖÎöÓë±ê¶¨
ÒѾÓÐ5È˻ظ´
¡¾ÇóÖú¡¿ÇóÖú¹ØÓÚ´ß»¯·´Ó¦ÖÐÁ½¸ö·´Ó¦ÎïÖ®¼äµÄµç×Ó×ªÒÆµÄ¼ÆËã
ÒѾÓÐ4È˻ظ´
¡¾ÇóÖú¡¿×Éѯ£ºÀÏ°å¸øÁËÁ½¸öÌâÄ¿£¬ÈçºÎÑ¡Ôñ£¿
ÒѾÓÐ52È˻ظ´
¡¾ÇóÖú¡¿ÇóÖпƴ󿼲©Ó¢Óï¡¢¸ß·Ö×Ó»¯Ñ§¡¢¸ß·Ö×ÓÎïÀíÀúÄêÊÔÌ⣡
ÒѾÓÐ31È˻ظ´
¡¾ÇóÖú¡¿»·ÑõÊ÷Ö¬E51¹Ì»¯ÎïµÄDSCÇúÏß ÎªÊ²Ã´Á½¸öTg
ÒѾÓÐ30È˻ظ´
¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
yuyuyuoy: ½ð±Ò+2, ¡ïÓаïÖú, ËäÈ»²»ÊǴ𰸣¬Ð»Ð»·ÒëÁË 2012-09-28 12:17:34
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
yuyuyuoy: ½ð±Ò+2, ¡ïÓаïÖú, ËäÈ»²»ÊǴ𰸣¬Ð»Ð»·ÒëÁË 2012-09-28 12:17:34
|
±¾ÌûÄÚÈݱ»ÆÁ±Î |
2Â¥2012-09-28 10:31:19
chase803
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1371.5
- É¢½ð: 273
- ºì»¨: 3
- Ìû×Ó: 665
- ÔÚÏß: 150.8Сʱ
- ³æºÅ: 472406
- ×¢²á: 2007-12-04
- רҵ: ¾ÛºÏÎï¹²»ìÓ븴ºÏ²ÄÁÏ
3Â¥2012-09-28 11:55:07
yuyuyuoy
гæ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 349.2
- Ìû×Ó: 126
- ÔÚÏß: 46.1Сʱ
- ³æºÅ: 1777006
- ×¢²á: 2012-04-24
- רҵ: °ëµ¼Ìå²ÄÁÏ
4Â¥2012-09-28 12:23:45









»Ø¸´´ËÂ¥
yuyuyuoy
20