Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 2767  |  »Ø¸´: 16
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

СÃûº£ÌÁ

Í­³æ (ÕýʽдÊÖ)


[½»Á÷] Ï¡ÍÁ·ú»¯ÎïÄÉÃײÄÁÏÏ´µÓÀëÐÄÎÊÌâ

ÓÃÈܼÁÈÈ·¨£¨Ï¡ÍÁÂÈ»¯Îï¡¢ÓÍËᡢʮ°ËÏ©¡¢NaOH¡¢NH4F£©ºÏ³ÉNaYF4ÄÉÃײÄÁÏ£¬Óöµ½Èý¸öÎÊÌ⣬ÏëÇë½Ì¸÷λ´óÉñ£º
1¡¢·´Ó¦Î¶ÈΪ290ÉãÊ϶ȣ¬µ«¼ÓÈȵ½260-270¶ÈʱÈý¿ÚÆ¿Äھͻáð°×Îí£¬²»ÖªµÀ°×ÎíÊÇʲô£¬ÊÇ·ñÕý³££¿
2¡¢·´Ó¦ÍêºóÈý¿ÚÆ¿ÄÚÓа×É«¹ÌÌåÕ´¸½ÔÚÆ¿ÉíºÍÆ¿µ×£¬²»ÖªµÀÊDz»ÊÇÖÆ±¸³öµÄÑùÆ·£¨¿´ÎÄÏ×£¬¸Ð¾õÎÄÏ×µÄÒâ˼ÊǺϳɺóÊÇÈÜÒº£¬ÀëÐĺó²ÅÄÜÌá³ö²úÎï¡££©
3¡¢Óþƾ«½«Èý¿ÚÆ¿ÄÚ²úÎïÏ´µÓ£¬ÔÙÓþƾ«ºÍ»·¼ºÍéÀëÐÄÁ½´Î£¬ÔÙÓþƾ«Ï´µÓÁ½´Î£¬µÃµ½µÄ²úÎïÆ«»ÆÉ«£¬¸Ð¾õÓÐЩð¤ÉÕ±­£¬²»ÖªµÀÔõô»ØÊ¡£ÒÔǰˮÈÈ×öµÄͬÖÖ²ÄÁÏ΢Ã×°ôÈ«Êǰ×É«µÄ£¬Ã»Óöµ½¹ýÕâÎÊÌâ¡£
Âé·³¸÷λ´óÉñÁË£¬ÇóºÃÐÄÈ˽â´ð½â´ð¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

СÃûº£ÌÁ

Í­³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
14Â¥: Originally posted by jym666 at 2018-03-28 19:54:18
ÄúºÃ£¡ÎÒÒ²ÏëÇë½ÌÒ»ÏÂË®ÈȵÄÎÊÌ⣬ÇëÎÊÄãÔÚË®ÈȺϳɵÄʱºòÓмÓÓÍËá¿ØÖÆÐÎòô£¿...

¼ÓÓÍËáÁË¡£1mmolÏ¡ÍÁÀë×Ó¼ÓÁË18mlÓÍËá¡£ÎÒûÓоßÌå·ÖÎöÓÍËáµÄÓ°Ïì¡£
16Â¥2018-03-29 16:25:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 17 ¸ö»Ø´ð

huihui222

½û³æ (СÓÐÃûÆø)

¡ï
СÃûº£ÌÁ(½ð±Ò+1): лл²ÎÓë
±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2018-01-18 23:45:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huihui222

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2018-01-18 23:45:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

СÃûº£ÌÁ

Í­³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
3Â¥: Originally posted by huihui222 at 2018-01-18 23:45:25
Â¥Ö÷£¬¿ÉÒÔ¼ÓÄãqqÇë½ÌÄãһЩˮÈÈ·¨ÖƱ¸µÄÎÊÌâÂð£¿

QQ·¢¸øÄãÁË£¬Ï£ÍûÄܰﵽÄã¡£

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

6Â¥2018-01-19 00:11:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
115070282Â¥
2018-01-18 23:35   »Ø¸´  
СÃûº£ÌÁ(½ð±Ò+1): лл²ÎÓë
¡£ ·¢×ÔСľ³æAndroid¿Í»§¶Ë
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 291 Çóµ÷¼Á +37 »¯¹¤2026½ì±ÏÒµÉ 2026-04-09 38/1900 2026-04-15 00:27 by lihaoda1994
[»ù½ðÉêÇë] ɽ¶«Ê¡»ù½ð2026 +7 jerry681 2026-04-08 9/450 2026-04-14 22:01 by °¢ÓµÄÀºÇò
[¿¼ÑÐ] ²ÄÁÏÏà¹Ø×¨Òµ344Çóµ÷¼ÁË«·Ç¹¤¿ÆÑ§Ð£»ò¿ÎÌâ×é +21 hualkop 2026-04-12 22/1100 2026-04-14 17:44 by lhj2009
[¿¼ÑÐ] ²ÄÁÏרҵ344Çóµ÷¼Á +17 hualkop 2026-04-10 22/1100 2026-04-14 16:21 by sxdj2
[¿¼ÑÐ] ʳƷÓëÓªÑø£¨0955£©271Çóµ÷¼Á +15 Éý¸ñ°¢´ï 2026-04-12 16/800 2026-04-14 13:18 by ¸¡Èô_°²Éú
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á +5 ŬÁ¦µÄÏÄÄ© 2026-04-09 5/250 2026-04-12 19:17 by wj165256
[¿¼ÑÐ] 322Çóµ÷¼Á +6 123°²¿µ 2026-04-12 13/650 2026-04-12 15:51 by 123°²¿µ
[¿¼ÑÐ] 295·ÖÇóµ÷¼Á +13 ?ÒªÉϰ¶? 2026-04-10 13/650 2026-04-12 15:37 by laoshidan
[¿¼ÑÐ] µçÆø¹¤³Ìר˶320Çóµ÷¼Á +5 СÂé×Ó111 2026-04-10 5/250 2026-04-12 10:47 by zhouyuwinner
[¿¼ÑÐ] 280Çóµ÷¼Á +7 ÙâÙâÒ¹Ò¹ 2026-04-09 10/500 2026-04-12 00:33 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +10 Ö»ÐðÀë±ð´Ç 2026-04-09 12/600 2026-04-11 20:57 by ÄæË®³Ë·ç
[¿¼ÑÐ] 085400 328·Ö Çóµ÷¼Á +10 ιÄãÒ»¸ö´ó³È×Ó 2026-04-09 14/700 2026-04-11 19:53 by lqspecial
[¿¼ÑÐ] 275Çóµ÷¼Á +9 1624447980 2026-04-08 10/500 2026-04-11 10:20 by Delta2012
[¿¼ÑÐ] ũҵ¹ÜÀí302·ÖÇóµ÷¼Á +3 xuening1 2026-04-10 3/150 2026-04-11 10:18 by zhq0425
[¿¼ÑÐ] 337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 08:57 by zhq0425
[¿¼ÑÐ] 298Çóµ÷¼Á +13 ¶¤¶£ß˶¬¹Ï 2026-04-09 13/650 2026-04-10 15:49 by jiajinhpu
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 13/650 2026-04-10 10:27 by liuhuiying09
[¿¼ÑÐ] ³õÊÔ·Ö332£¬Ò»Ö¾Ô¸±¨¿¼Î÷±±¹¤Òµ´óѧ£¬ +11 ¹ÊÈË?? 2026-04-09 11/550 2026-04-09 21:54 by JineShine
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +4 ö©??? 2026-04-08 4/200 2026-04-08 21:44 by ÍÁľ˶ʿÕÐÉú
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û