²é¿´: 3019  |  »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

lee_yungjun

Ìú¸Ëľ³æ (СÓÐÃûÆø)

dongfup8939(½ð±Ò+2):¶àл¡£ 2010-08-10 13:30:39
×öTEMʱСÇò¾Û¼¯²»Ò»¶¨DLSÒ²¾Û¼¯
ÿÌì»ë»ëججµÄ¹ýÈÕ×Ó
7Â¥2010-08-10 13:26:32
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

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
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 320Çóµ÷¼Á0856 +3 ²»ÏëÆðÃû×Ö112 2026-03-19 3/150 2026-03-19 22:53 by ѧԱ8dgXkO
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +5 ioodiiij 2026-03-17 5/250 2026-03-19 18:22 by zcl123
[¿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] 0703»¯Ñ§µ÷¼Á +4 18889395102 2026-03-18 4/200 2026-03-19 16:13 by 30660438
[¿¼ÑÐ] 266Çóµ÷¼Á +5 ÑôÑôÍÛÈû 2026-03-14 10/500 2026-03-19 15:08 by ÑôÑôÍÛÈû
[¿¼ÑÐ] 281Çóµ÷¼Á£¨0805£© +9 ÑÌÏ«Ò亣 2026-03-16 19/950 2026-03-19 11:42 by laoshidan
[½Ìʦ֮¼Ò] ½¹ÂÇ +9 Ë®±ùÔÂÔÂÒ°Íà 2026-03-13 13/650 2026-03-19 09:50 by otani
[¿¼ÑÐ] 330Çóµ÷¼Á +3 С²Ä»¯±¾¿Æ 2026-03-18 3/150 2026-03-18 21:55 by ÎÞи¿É»÷111
[¿¼ÑÐ] 311Çóµ÷¼Á +4 ¶¬Ê®Èý 2026-03-18 4/200 2026-03-18 21:47 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á ×Ü·Ö331 +3 ZY-05 2026-03-13 3/150 2026-03-18 10:58 by macy2011
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +6 À§ÓÚÐdz¿ 2026-03-17 6/300 2026-03-18 10:21 by kkcoco25
[¿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] 275Çóµ÷¼Á +4 Ì«Ñô»¨ÌìÌ쿪ÐÄ 2026-03-16 4/200 2026-03-17 10:53 by ¹¦·ò·è¿ñ
[ÂÛÎÄͶ¸å] ÓÐûÓдóÀз¢Ð¡ÂÛÎÄÄÜ´øÎÒ¸ö¶þ×÷ +3 ÔöÈñ©ÈË 2026-03-17 4/200 2026-03-17 09:26 by xs74101122
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] 326Çóµ÷¼Á +3 mlpqaz03 2026-03-15 3/150 2026-03-16 07:33 by Iveryant
[¿¼ÑÐ] 22408×Ü·Ö284Çóµ÷¼Á +3 InAspic 2026-03-13 3/150 2026-03-15 11:10 by zhq0425
[¿¼ÑÐ] 328Çóµ÷¼Á +3 5201314Lsy£¡ 2026-03-13 6/300 2026-03-14 15:31 by hyswxzs
[¿¼ÑÐ] £Û0860£Ý321·ÖÇóµ÷¼Á£¬abÇø½Ô¿É +4 ±¦¹óÈÈ 2026-03-13 4/200 2026-03-13 22:01 by ÐÇ¿ÕÐÇÔÂ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û