24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 717  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

flyskysky

Òø³æ (ÕýʽдÊÖ)

[½»Á÷] ÈçºÎ´¦Àí¸ÉÔïTHFºóÓÃÊ£µÄÇ⻯¸Æ

½ñÌìÓÃÇ⻯¸Æ¸ÉÔïTHF£¬ÕôÁóÍêTHFºó£¬ÉÕÆ¿Àﻹʣ²»ÉÙÇ⻯¸Æ¹ÌÌå¡£²»Öª¸ÃÔõô´¦Àí£¬ÓøßÊÖÖ¸µãһϰɣ¡

»¹ÓиöÎÊÌ⣬ÁìÀ´µÄÇ⻯¸ÆÔõô±£´æ¡£ÓÐÈË˵ÅÝÔÚúÓÍÖУ¬ÐèÒªÂ𣿣¿£¿£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÓÐ×ö˳´Å×ÔÓÉ»ùµÄÅóÓÑÂ𣬴ó¼Ò½»Á÷һϰɣ¡flyskysky@126.com
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

coldance

ľ³æ (ÕýʽдÊÖ)

CaH2 + 2CO2 ¡ú CaCO3 + C + H2O
2Â¥2007-01-11 23:57:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

orgywj

ľ³æ (ÕýʽдÊÖ)

¡ï
chemcccc(½ð±Ò+1):thx
ÕôÁóÍêTHFºó£¬ÉÕÆ¿ÀïʣϵÄÇ⻯¸Æ¹ÌÌ壬¿ÉÒÔÅÝÔÚÒÒ´¼ÖУ¬·´Ó¦ºÜκ͵Ä

ÐÂÁìµÄÇ⻯¸ÆÃÜ·â±£´æ¼´¿É£¬×îºÃ·ÅÔÚ¸ÉÔïÆ÷ÖÐ
3Â¥2007-01-12 09:31:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

flyskysky

Òø³æ (ÕýʽдÊÖ)

¶àлָ½Ì£¡
ÓÐ×ö˳´Å×ÔÓÉ»ùµÄÅóÓÑÂ𣬴ó¼Ò½»Á÷һϰɣ¡flyskysky@126.com
4Â¥2007-01-13 17:03:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ flyskysky µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á£¬985²ÄÁÏÓ뻯¹¤348·Ö +9 º­ÖñÁõ 2026-04-11 14/700 2026-04-13 22:26 by º­ÖñÁõ
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©½ÓÊÜ¿çרҵ +8 ÏàÐűػá¹ââÍòÕ 2026-04-13 8/400 2026-04-13 20:26 by biomen
[»ù½ðÉêÇë] 2026 WRÇà°Î +3 liuchb715 2026-04-09 6/300 2026-04-13 18:40 by liuchb715
[¿¼ÑÐ] һ־Ը˫·Ç085400µç×ÓÐÅÏ¢344 Çóµ÷¼Á£¬¶Ô²ÄÁϺͻ¯Ñ§·½ÏòÒ²¸ÐÐËȤ +12 ÎÞÇéµÄСÑò 2026-04-09 13/650 2026-04-13 14:17 by ÕÅzhihao
[¿¼ÑÐ] 085408¹âµçÐÅÏ¢¹¤³Ìר˶355Ò»Ö¾Ô¸³¤´º¹â»úËùµ÷¼Á +3 Íõymaa 2026-04-13 3/150 2026-04-13 11:01 by zhshch
[½Ìʦ֮¼Ò] ɽ¶«Ë«·ÇԺУ¿¼ºË³¬¼¶ÎÞµ×Ïߣ¬Áìµ¼ÐÒÔÖÀÖ»ö£¬½ÌʦÔâÑê¿Ö +3 qut2026 2026-04-11 7/350 2026-04-12 20:24 by qut2026
[¿¼ÑÐ] Çóµ÷¼Á +11 ÔÂ@163.com 2026-04-07 13/650 2026-04-11 22:55 by BruceLiu320
[¿¼ÑÐ] Çóµ÷¼Á +6 µçÆø300Çóµ÷¼Á²» 2026-04-08 6/300 2026-04-11 20:14 by ÄæË®³Ë·ç
[¿¼ÑÐ] 0859£¬337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 11:34 by caotw2020
[¿¼ÑÐ] µ÷¼Á +4 µçÆø300Çóµ÷¼Á²» 2026-04-08 7/350 2026-04-11 10:44 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 0854µ÷¼Á +8 950824he@ 2026-04-09 8/400 2026-04-11 10:11 by zhq0425
[¿¼ÑÐ] 085402ͨÐŹ¤³Ìµ÷¼Á£¬ÓÐ4Ïîѧ¿Æ¾ºÈü¹ú½±£¨µçÈü¹ú¶þ£©£¬Ë¶Ê¿Ñо¿Éúµ÷¼Á×Ô¼öÐÅ¡£ +5 mÓÀo²»vÑÔoÆúm 2026-04-09 5/250 2026-04-11 09:33 by zhq0425
[¿¼ÑÐ] ±¾¿Æ211 ¹¤¿Æ085400 280·ÖÇóµ÷¼Á ¿É¿çרҵ +11 LZH£¨µÈ´ýµ÷¼ÁÖÐ 2026-04-10 11/550 2026-04-11 08:39 by zhq0425
[¿¼ÑÐ] 085506-Çóµ÷¼Á-285·Ö +3 À×Å··ÉÌß 2026-04-08 3/150 2026-04-11 08:37 by zhq0425
[¿¼ÑÐ] 309Çóµ÷¼Á +14 wdhw 2026-04-10 15/750 2026-04-10 21:06 by zhouxiaoyu
[¿¼ÑÐ] 22408 366·Ö£¬±¾¿Æ211£¬Ò»Ö¾Ô¸Î÷¹¤´ó +4 Rubt 2026-04-09 4/200 2026-04-10 19:51 by chemisry
[¿¼ÑÐ] ÖпÆÔº×Ü·Ö315Çóµ÷¼Á +8 lallalh 2026-04-09 8/400 2026-04-10 19:30 by dick_runner
[¿¼ÑÐ] Òѵ÷¼Á +18 ²ñ¿¤Ã¨_ 2026-04-09 19/950 2026-04-09 22:10 by ²ñ¿¤Ã¨_
[¿¼ÑÐ] ²ÄÁϹ¤³ÌרҵÈÕÓïÉúÇóµ÷¼Á +9 111623 2026-04-07 9/450 2026-04-07 23:31 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 22:00 by hemengdong
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û