Znn3bq.jpeg
²é¿´: 2497  |  »Ø¸´: 3
±¾Ìû²úÉú 1 ¸ö FC-EPI £¬µã»÷ÕâÀï½øÐв鿴

²ö×ìmaomao

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] ÄÄλ´óÏÀÖªµÀXRDµÄ´©Í¸·ÛÄ©µÄÉî¶ÈÊǶàÉÙ°¡£¿

ÄÄλ´óÏÀÖªµÀXRDÖÐXÉäÏß´©Í¸ÑùÆ·µÄÉî¶ÈÊǶàÉÙ°¡£¿
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

ʵÑéÊÒ+ÒÇÆ÷²âÁ¿+Îó²î·ÖÎö+Ïà¹Ø¼¼Êõ

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

poling

ľ³æ (ÕýʽдÊÖ)

º£µÁ´¬³¤

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
2007420906: ½ð±Ò+1, ¹ÄÀø½»Á÷£¬»¶Ó­³£À´¾«»¯°æ£¡ 2012-09-25 08:57:40
5¸önm£¬µ«Ñ¹Æ¬Ê±¾¡Á¿ Á¿¶àµã²Å±È½Ï׼ȷ
ÎÒÑ¡ÔñÎÒϲ»¶£¡
2Â¥2012-09-24 19:30:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

µØÓüѪÓÄÁé

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
udarling: ½ð±Ò+2, FC-EPI+1, ллӦÖú! 2012-09-25 10:47:46
×ö·ÛÄ©ÑÜÉäʱÑùÆ·µ½µ×Òª¶àºñ²Å·ûºÏʵÑéµÄÒªÇó£¬ÊÇÒ»¸öºÜÖØÒªµÄÎÊÌâ¡£ÒòΪÓÐʱºòûÓÐ×ã¹»µÄÑùÆ·£¬ÑùÆ·µÄ×îСºñ¶È¸ÃÊǶàÉÙ£¿ÕâÀïÉÔ΢ÏêϸµÄ˵Ã÷һϣ¬Ï£Íû¶ÔÐèÒªµÄ³æ³æÓеã°ïÖú¡£

ÔÚÓÃBragg-BrentanoʽµÄÑÜÉäÒÇ×ö·ÛÄ©ÑÜÉäµÄʱºò£¬ÓÐÒ»¸ö¼Ù¶¨£¬ÈÏΪÑùÆ·¶ÔÈëÉäµÄXÉäÏßÊÇÎÞÏÞºñµÄ£¬¼´X-ÉäÏßÊDz»ÄÜ´©Í¸ÑùÆ·µÄ¡£ÕâÒªÇóÑùÆ·×ã¹»ºñ£¬ÔòÐèÒª¼ÆËãX-ÉäÏß¶ÔÑùÆ·µÄ´©Í¸Éî¶È£¬ÕâÊÇ1LµÄÎÊÌâ¡£
X-ÉäÏß¾­¹ýÑùÆ·µÄʱºò£¬»á·¢ÉúÎüÊÕ¡£¼Ù¶¨ÈëÉäÏßµÄÇ¿¶ÈΪI(0), ¾­¹ýÑùÆ·ºóÇ¿¶ÈΪI£¬ ÑùÆ·µÄÖÊÁ¿ÎüÊÕϵÊýΪua£¬ ÃܶÈΪrho£¬ ÔòI=I(0)exp(-ua*rho*x), xΪXÉäÏßÔÚÑùÆ·Öо­¹ýµÄ¾àÀë¡£
ÏÖÔÚ¼Ù¶¨µ±I/I(0)<0.0001ʱÈÏΪXÉäÏßûÓд©Í¸ÑùÆ·£¬´Ëʱ
I/I(0)=exp(-ua*rho*x)<0.0001,
Ôò x>9.2/(ua*rho),
¶ÔÓÚFe£¬rho=7.8g/cm3£¬ÔÚCuKaÉäÏßÌõ¼þÏ£¬ua=308. ÓÚÊÇ
x>0.0038cm, ¼´CuKaXÉäÏßÔÚFeÖо­¹ý0.038mmºó£¬Ç¿¶ÈË¥¼õΪÈëÉäÇ¿¶ÈµÄ1/10000£¬ ´ËʱÈÏΪXÉäÏßûÓÐͨ¹ýÑùÆ·£¬´Ë¼´XÉäÏߵĴ©Í¸Éî¶È¡£

ÕâÖÖ¿¼ÂÇÎÊÌâµÄ·½·¨ÊÇÓÐÆÕ±éÒâÒåµÄ£¬±ÈÈç¶ÔÓÚCuO£¬Ò²¿ÉÒÔͬÑù¼ÆË㣬
ÏȼÆËãCuOµÄua£¨¶ÔÓÚCuKa£©£º
ua=(64/(64+16))*52.9+(16/(64+16))*11.5=43.82,  ÆäÖÐ64£¬ 16£¬ÎªCuºÍOµÄÔ­×ÓÁ¿£¬52.9 ºÍ11.5 ΪCuºÍO¶ÔCuKaµÄÖÊÁ¿ÎüÊÕϵÊý¡£
CuOµÄÃܶÈΪ6.31g/cm3.
ÓÚÊÇCuOÑùÆ·µÄ×îСºó¶ÈΪ
x=9.2/(43.82*6.31)=0.033cm=0.3mm.

ÒÔÉϼٶ¨I/I(0)<0.0001 ÊǷdz£¿Á¿ÌµÄ¡£Èç¹û¼Ù¶¨I/I(0)<0.01 ÈÏΪÉäÏß²»´©Í¸ÑùÆ·£¬Ôò¶ÔÓÚFe£¬×îСºñ¶ÈΪ0.019mm£¬ CuO×îСºñ¶ÈΪ0.15mm¡£

ÎÒÃDzâÁ¿Ê±ºòÒ»°ãѹƬÊÇ1µ½2¸öºÁÃ×
3Â¥2012-09-25 09:06:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²ö×ìmaomao

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by µØÓüѪÓÄÁé at 2012-09-25 09:06:28
×ö·ÛÄ©ÑÜÉäʱÑùÆ·µ½µ×Òª¶àºñ²Å·ûºÏʵÑéµÄÒªÇó£¬ÊÇÒ»¸öºÜÖØÒªµÄÎÊÌâ¡£ÒòΪÓÐʱºòûÓÐ×ã¹»µÄÑùÆ·£¬ÑùÆ·µÄ×îСºñ¶È¸ÃÊǶàÉÙ£¿ÕâÀïÉÔ΢ÏêϸµÄ˵Ã÷һϣ¬Ï£Íû¶ÔÐèÒªµÄ³æ³æÓеã°ïÖú¡£

ÔÚÓÃBragg-BrentanoʽµÄÑÜÉäÒÇ×ö·Û ...

ÎÒ×ö³öÀ´XRDÊÇÒ»ÖÖÎïÖÊ£¬ÎÒ»³ÒÉÓÐÁíÍâÒ»ÖÖÎïÖʱ»°ü¹üÔÚÕâÖÖÎïÖÊÀïÍ·ÁË£¬ËùÒÔÎÒ¾ÍÊÇÏëÎÊһϣ¬Ò»°ãXRDµÄÈëÉäÉî¶ÈÊǶàÉÙ£¬¿´Äܲ»ÄÜ̽²âµ½ÀïÃæµÄÄÇÖÖÎïÖÊ
4Â¥2012-09-26 10:34:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ²ö×ìmaomao µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +4 ²»»á·ÉµÄÓã@ 2026-04-10 4/200 2026-04-10 13:29 by wp06
[¿¼ÑÐ] Ò»Ö¾Ô¸±±Àí¹¤298Ó¢Ò»Êý¶þÇóµ÷¼Á +10 Reframe 2026-04-10 11/550 2026-04-10 13:18 by forestmumu
[¿¼ÑÐ] 348·Ö»·¾³¹¤³Ì¡¤µ÷¼Á +12 ÎâÑå׿24k 2026-04-03 13/650 2026-04-10 11:14 by wyw032378
[¿¼ÑÐ] ÉúÎïѧÇóµ÷¼Á Ò»Ö¾Ô¸»¦9£¬326·Ö +7 Áõīī 2026-04-06 7/350 2026-04-10 08:11 by kangsm
[¿¼ÑÐ] Ò»Ö¾Ô¸ ½­ÄÏ´óѧ 085602 »¯¹¤×¨Ë¶ 338·ÖÇóµ÷¼Á +16 ·³ÕСç÷ 2026-04-05 16/800 2026-04-10 08:08 by kangsm
[¿¼ÑÐ] 275Çóµ÷¼Á +6 1624447980 2026-04-08 7/350 2026-04-10 08:06 by ̽123
[¿¼ÑÐ] 297Çóµ÷¼Á +22 ljy20040718£¡ 2026-04-03 24/1200 2026-04-09 20:48 by yanenwang
[¿¼ÑÐ] 289Çóµ÷¼Á +4 L1ttleTiger 2026-04-04 4/200 2026-04-09 19:53 by xiayizhi
[¿¼ÑÐ] 265Çóµ÷¼Á +4 ·ç˵ËýÔçÍüÁË 2026-04-07 4/200 2026-04-09 13:59 by onlyÖÜ
[¿¼²©] ²ÄÁÏ·½Ïò¿¼²©£¬ÇóÍÆ¼ö +3 ÑÔÓïaaa 2026-04-05 4/200 2026-04-08 22:22 by nxgogo
[¿¼ÑÐ] 316Çóµ÷¼Á +7 yyxÏëµ÷¼Á 2026-04-05 7/350 2026-04-07 14:31 by shdgaomin
[¿¼ÑÐ] 081700£¬311£¬Çóµ÷¼Á +17 ¶¬Ê®Èý 2026-04-04 18/900 2026-04-07 12:50 by Sammy2
[¿¼ÑÐ] ¹¤¿Æ 22408 267ÇóÍÆ¼ö +4 wanwan00 2026-04-05 5/250 2026-04-06 22:47 by chenzhimin
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 0703Çóµ÷¼Á383·Ö +9 W55j 2026-04-03 9/450 2026-04-06 06:50 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +12 lyz0427 2026-04-03 12/600 2026-04-06 06:37 by houyaoxu
[¿¼ÑÐ] ¿¼ÑÐÉúÎïѧ¿¼AÇø211£¬³õÊÔ322£¬¿ÆÄ¿Éú»¯ºÍÉúÎï×ۺϣ¬Çóµ÷¼Á +6 ¡£¡£¡£54 2026-04-03 6/300 2026-04-05 14:54 by JOKER0401
[¿¼ÑÐ] µ÷¼Á +9 19945159693 2026-04-03 10/500 2026-04-04 20:16 by dongzh2009
[¿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] Çóµ÷¼Á +4 ѹÁ¦??´ó 2026-04-03 4/200 2026-04-03 21:36 by à£à£à£0119
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û