²é¿´: 3030  |  »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

hero3_gpj

½ð³æ (ÖøÃûдÊÖ)

dongfup8939(½ð±Ò+8):¶àл 2010-08-12 07:50:09
dongfup8939(½ð±Ò+6):¶àл¹Ø×¢¡£ 2010-08-12 07:56:25
Â¥ÉÏÕý½â¡£TEM½á¹û·´Ó³µÄÊÇÑùÆ·ÔÚ½çÃæÉϵĸÉ̬״̬£¬ÑùÆ·µÄ·ÖÉ¢×´¿öÓëÑùÆ·µÄ´¦ÀíºÍ¸ÉÔï·½·¨Ïà¹Ø£¬¶øDLS¶ÔÓ¦ÓÚÈÜҺ̬ÖпÉÄÜÈÜÕ͵ĿÅÁ££¬Ë®ºÏ²ãÊÜÈÜÒºÀë×ÓÇ¿¶È¡¢pHµÈÒòËØÓ°Ï죬½á¹û²»Ò»ÖÂÊǺÏÀíµÄ¡£
9Â¥2010-08-10 23:31:27
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] Çóµ÷¼Á +3 °µÓ¿afhb 2026-03-16 3/150 2026-03-20 00:28 by ºÓÄÏ´óѧУÓÑ
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤²ÄÁϹ¤³Ìר˶µ÷¼Á +5 Doleres 2026-03-19 5/250 2026-03-19 20:14 by ÖÆ¶ÈµÄ
[¿¼ÑÐ] ÕÐÊÕµ÷¼Á˶ʿ +4 lidianxing 2026-03-19 10/500 2026-03-19 16:05 by Óà÷ëÓà
[¿¼ÑÐ] 266Çóµ÷¼Á +5 ÑôÑôÍÛÈû 2026-03-14 10/500 2026-03-19 15:08 by ÑôÑôÍÛÈû
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 324·Ö +10 llllkkkhh 2026-03-18 12/600 2026-03-19 14:33 by llllkkkhh
[¿¼ÑÐ] 317Çóµ÷¼Á +3 Éê×ÓÉêÉê 2026-03-19 6/300 2026-03-19 14:16 by Éê×ÓÉêÉê
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +3 ³¿»èÏßÓëÐǺ£ 2026-03-19 3/150 2026-03-19 13:36 by houyaoxu
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +3 ÉúÎ﹤³Ìµ÷¼Á 2026-03-17 7/350 2026-03-18 20:41 by Wangjingyue
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] 311Çóµ÷¼Á +11 ¶¬Ê®Èý 2026-03-15 12/600 2026-03-18 14:36 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 299Çóµ÷¼Á +5 ¡÷С͸Ã÷* 2026-03-17 5/250 2026-03-18 11:49 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] ¿¼Ñл¯Ñ§Ñ§Ë¶µ÷¼Á£¬Ò»Ö¾Ô¸985 +4 ÕÅvvvv 2026-03-15 6/300 2026-03-17 17:15 by ruiyingmiao
[¿¼ÑÐ] 275Çóµ÷¼Á +4 Ì«Ñô»¨ÌìÌ쿪ÐÄ 2026-03-16 4/200 2026-03-17 10:53 by ¹¦·ò·è¿ñ
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[¿¼ÑÐ] Ò»Ö¾Ô¸£¬¸£ÖÝ´óѧ²ÄÁÏר˶339·ÖÇóµ÷¼Á +3 ľ×ÓmomoÇàÕù 2026-03-15 3/150 2026-03-17 07:52 by laoshidan
[¿¼ÑÐ] 0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ +3 626776879 2026-03-14 9/450 2026-03-16 17:42 by 626776879
[¿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] 304Çóµ÷¼Á +4 ahbd 2026-03-14 4/200 2026-03-16 16:48 by ÎҵĴ¬Îҵĺ£
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û