²é¿´: 3017  |  »Ø¸´: 11
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

dongfup8939

½ð³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿ÊìϤDLSÇë½øÀ´£¬ÈçºÎ½âÊͺÃÄØ£º£ºTEM¾Û¼¯£» DLS....²»¾Û¼¯ÄØ£¿ ÒÑÓÐ6È˲ÎÓë

ÖªµÀÕâ¶ù¸ßÊÖ¶à¡£Ïò´ó¼ÒÇë½Ì¡£¡£
±¾ÈËÆäÖÐÒ»²½ÓÃDLS·½·¨²âPS СÇò¡£ÒÇÆ÷ΪELS-8000, OTSUKA Electronics, Japan
Éó¸åÈ˺ÜÑϽ÷£¬¸øÁË3¸öÎÊÌâ¡£
ÎÊÌâ1£ºhow was DLS done?
ÎÊÌâ2£ºwhat standards were used?
ÎÊÌâ3.£ºThe TEM images sugget aggregated particles where as DLS does not ...explain.
µÚÒ»¸ö»¹ÐУ¬²âÁ¿·½·¨¶¼ÓС£
   Ë®Ï¡ÊÍ-----³¬Éù-----²âÁ¿£¬ÒÔ¼°Ò»Ð©²ÎÊý
µÚ¶þ¸ö±ê×¼ÈçºÎ»Ø´ðÄØ£¿ºÜÃÔºý¡£ÄÜÕâÑù¼òµ¥»Ø´ð£¿ Data analysis was  conducted  using a software  supplied by the manufacturer.
²»ÏþµÃ¡£ËƺõÉó¸åÈ˺ܿ´ÖØ¡£
µÚÈý¸ö£¬ËµÎÒµÄTEMÕ³½á£¬¶øDLSûÏÔʾ¡£
   Í¸ÉäÖÐСÇòÊÇÓÐЩÁ¬½Ó£¬²âÁ¿Á£¾¶Îª140×óÓÒ¡£DLS,²â³ö180+-40¡£
   ÎÒ¾õµÃ£¬DLS,¿ÉÄÜÈ϶¨Ò»Ð©Á¬½ÓµÄΪһ¸öÁ£×ÓËùÒÔ£¬²â³öÁ£¾¶ÉÔ´ó¡£
   ÈçºÎ»Ø´ðÍ×ÉÆÄØ¡£
²¹³ä£º ¿ÉÄÜÉó¸åÈËÒÉ»óµÄÊÇ£¬
    ÀíÂÛÉÏ£¬Í¸ÉäÖÐÏÔʾÁ£×Ó¾Û¼¯µÄ»°£¬
    DLSÓ¦¸Ã·´Ó³·Ç³£Ã÷ÏÔ£¬
    ¼´2¸öÁ£¾¶·Ö²¼£¬»òÁ£¾¶±ä´óºÜ¶à£¬
    ¶øÎÒÊÇDLSÊý¾Ý¼¸ºõÊÇʵ¼Ê´óС,³ýÁËÒòË®ÖÐÁ´µÄÀ©Õ¹µ¼ÖÂÉÔ΢Ôö´óÍâ¡£
    ¼òµ¥µØËµ£¬
   ÈçºÎ¼òÃ÷»Ø´ð£¬TEM....¾Û¼¯£» DLS....²»¾Û¼¯ÄØ£¿

[ Last edited by dongfup8939 on 2010-8-10 at 13:13 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

dongfup8939

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by wfwpq at 2010-08-09 21:58:30:
µÚÈý¸öÎÊÌ⣺
The particle size observed with electron microscopy is often slightly smaller than the hydrodynamic diameter measured by DLS. This observation can be explained with occasional weak ag ...

weak aggregation is the KEY point£¬£¬occasional ²»¸ÒÓã¬ÒòΪ¼¸ÕÅͼÉ϶¼ÊÇ
10¸öÒÔÄÚµÄСÇòÏ໥Á¬½Ó¡£µ«£¬½ö½öÊÇÁ¬½Ó£¬ÄÜ¿´Çå±ßÔµ£¬¿É·ñ˵DLSÊý¾ÝÕýºÃÖ§³ÖСÇò²¢·ÇÎïÀíÍžۣ¬¶ø½ö½öÊÇÈõ×÷ÓÃÁ¬½Ó¡£
¶àл¡£
4Â¥2010-08-09 23:50:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 12 ¸ö»Ø´ð

wfwpq

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

dongfup8939(½ð±Ò+8):¶àл¡£ 2010-08-09 23:36:14
µÚÈý¸öÎÊÌ⣺
The particle size observed with electron microscopy is often slightly smaller than the hydrodynamic diameter measured by DLS. This observation can be explained with occasional weak aggregation of the particle
2Â¥2010-08-09 21:58:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zbfountain

½ð³æ (ÕýʽдÊÖ)

dongfup8939(½ð±Ò+8):¶àл¡£ 2010-08-09 23:36:30
Õâ¸öÉó¸åÈËÎʵĺÃϸ°¡£¿ÊDz»ÊÇËû×Ô¼º²»»á×öDLS£¬Ïëѧ°¡£¿

ÎÊÌâ2£¬standardsÓ¦¸ÃÊÇÎÊÄã²âÊÔµÄʱºòÑ¡ÓÃʲô×ö±ê×¼ÎïµÄ°É¡£ÔÚÉ趨SOPµÄʱºò£¬ÓиöÑ¡ÏîÊÇÎÊÄãµÄ²ÄÁÏÊÇʲô£¬Õâ¸ö¾ö¶¨reflection index¡£ÎÒûÓÐ×ö¹ýPS£¬µ«ÊÇÎÒÏëÄãÓ¦¸Ã¾ÍÊÇÓÃPS×ö±ê×¼ÎïµÄ°É¡£

ÎÊÌâ3£¬Ð¡ÇòÉÔ΢ÓÐЩÁ¬½Ó£¬DLSÓ¦¸ÃÊÇ·´Ó³²»³öÀ´µÄ°É¡£ºÍTEMµÄÆ«²î¿Ï¶¨ÊÇ»áÓеġ£µ«ÊÇÄãµÄ½á¹û£¬Æ«²î²»´ó°¡¡£

ÎÒ¾õµÃûʲô´óÎÊÌ⣬ÄãÔõô×öµÄ¾ÍÔõô˵ºÃÁË¡£ÊÇÉó¸åÈËÌ«¼Æ½ÏÁË¡£
3Â¥2010-08-09 22:02:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lee_yungjun

Ìú¸Ëľ³æ (СÓÐÃûÆø)

µÚÈý¸öÎÊÌâ

dongfup8939(½ð±Ò+10):¶àл¡£ 2010-08-10 10:16:17
DLSµÄÁ£¾¶±ÈTEM´óÊÇÕý³£µÄ£¬ÒòΪһ°ã¶øÑÔ£¬TEM¶Ôµç×ÓÃܶȸߵÄÇøÓòºÜÃô¸Ð£¬Èç¹ûÄãµÄ΢Á£Óеç×ÓÃܶȽϵ͵ĿDz㣬ÄÇôµÃµ½µÄÁ£¾¶»á±Èʵ¼ÊÁ£¾¶Ð¡Ò»Ð©£¬¶øDLSµÃµ½µÄÊÇÕû¸öÁ£¾¶£¬²¢ÇÒÔÚÈÜÒºÖÐÒòΪÓÐË®ºÏ²ãµÄ´æÔÚ£¬DLSµÃµ½µÄÁ£¾¶¿ÉÄܱÈʵ¼ÊµÄÁ£¾¶Òª´óһЩ¡£¾ßÌåÇë²Î¿¼ÒÔÏÂÎÄÏ×£º
J. Polym. Sci. Part A Polym. Chem. 2009, 47, 1811
Langmuir 2003, 19, 5517
ÿÌì»ë»ëججµÄ¹ýÈÕ×Ó
5Â¥2010-08-10 09:05:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 307Çóµ÷¼Á +9 ÀäóÏ123 2026-03-17 9/450 2026-03-19 22:44 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйúº£Ñó´óѧ£¬ÉúÎïѧ£¬301·Ö£¬Çóµ÷¼Á +5 1ËïÎò¿Õ 2026-03-17 5/250 2026-03-19 18:03 by zcl123
[¿¼ÑÐ] ¡¾¿¼Ñе÷¼Á¡¿»¯Ñ§×¨Òµ 281·Ö£¬Ò»Ö¾Ô¸ËÄ´¨´óѧ£¬³ÏÐÄÇóµ÷¼Á +5 ³Ô³Ô³Ô²ÅÓÐÒâÒå 2026-03-19 5/250 2026-03-19 16:18 by 30660438
[¿¼ÑÐ] 266Çóµ÷¼Á +5 ÑôÑôÍÛÈû 2026-03-14 10/500 2026-03-19 15:08 by ÑôÑôÍÛÈû
[¿¼ÑÐ] 304Çóµ÷¼Á +3 ÂüÊâ2266 2026-03-18 3/150 2026-03-19 14:42 by peike
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 324·Ö +10 llllkkkhh 2026-03-18 12/600 2026-03-19 14:33 by llllkkkhh
[¿¼ÑÐ] Ò»Ö¾Ô¸¸£´ó288Óлú»¯Ñ§£¬Çóµ÷¼Á +3 Сľ³æ200408204 2026-03-18 3/150 2026-03-19 13:31 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó²ÄÁϹ¤³Ìר˶330·ÖÇóµ÷¼Á +7 С²Ä»¯±¾¿Æ 2026-03-18 7/350 2026-03-19 10:46 by Linda Hu
[¿¼ÑÐ] ±¾¿ÆÖ£ÖÝ´óѧÎïÀíѧԺ£¬Ò»Ö¾Ô¸»ª¿Æ070200ѧ˶£¬346Çóµ÷¼Á +4 ÎÒ²»ÊÇÒ»¸ù´Ð 2026-03-18 4/200 2026-03-19 09:11 by ¸¡ÔÆ166
[¿¼ÑÐ] 297Çóµ÷¼Á +8 Ï·¾«µ¤µ¤µ¤ 2026-03-17 8/400 2026-03-18 14:30 by laoshidan
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +8 ´ó¿Édigkids 2026-03-16 8/400 2026-03-18 09:36 by zhukairuo
[¿¼ÑÐ] 296Çóµ÷¼Á +5 ´ó¿Ú³Ô·¹ ÉíÌ彡 2026-03-13 5/250 2026-03-17 21:05 by ²»»ó¿ÉÀÖ
[¿¼ÑÐ] 268Çóµ÷¼Á +8 Ò»¶¨ÓÐѧÉÏ- 2026-03-14 9/450 2026-03-17 17:47 by laoshidan
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶274Ò»Ö¾Ô¸211Çóµ÷¼Á +6 Ñ¦ÔÆÅô 2026-03-15 6/300 2026-03-17 11:05 by ѧԱh26Tkc
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
[¿¼ÑÐ] 326Çóµ÷¼Á +4 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 7/350 2026-03-16 17:11 by ŵ±´¶û»¯Ñ§½±êéê
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703·½Ïò310·ÖÇóµ÷¼Á +3 ŬÁ¦·Ü¶·112 2026-03-15 3/150 2026-03-16 16:44 by houyaoxu
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 ºôºô£¿~+123456 2026-03-14 3/150 2026-03-14 16:53 by WTUChen
[¿¼ÑÐ] 0856²ÄÁÏÓ뻯¹¤301Çóµ÷¼Á +5 ÞÈÊø¹â 2026-03-13 5/250 2026-03-13 22:00 by ÐÇ¿ÕÐÇÔÂ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û