| ²é¿´: 624 | »Ø¸´: 1 | ||||
[ÇóÖú]
ËÄܸæÖªÒ»ÏÂÕâµ½µ×ÊÇʲôÒÇÆ÷°¡ ÒÑÓÐ1È˲ÎÓë
|
|
һƪӢÎÄÎÄÏ×ÀïÌáµ½µÄÒÇÆ÷ ÎÒʵÔÚ²»ÖªµÀÊÇʲô ÇóÖú¸÷λ´óÏÉ Dimethyl carbonate (1.5 mL) and 1-methylimidazole (1 mL) were combined and heated in a sealed screw-top pressure tube (Ace Glass) for 24h at 120 ¡ãC a sealed screw-top pressure tube Õâµ½µ×ÊÇʲô |
» ²ÂÄãϲ»¶
ÅóÓÑȦ¿´µ½µÄ
ÒѾÓÐ9È˻ظ´
ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî
ÒѾÓÐ13È˻ظ´
ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡
ÒѾÓÐ16È˻ظ´
·Å°ñǰµÄ²»µ¶¨
ÒѾÓÐ17È˻ظ´
¿ÆÑй¶ùÌ«ÄÑÁË
ÒѾÓÐ19È˻ظ´
Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿
ÒѾÓÐ4È˻ظ´
ʲôʱºò¿ª½±£¿
ÒѾÓÐ11È˻ظ´
·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë
ÒѾÓÐ6È˻ظ´
½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã
ÒѾÓÐ14È˻ظ´
2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË
ÒѾÓÐ17È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
ÒºÏàÎÊÌ⣡¼±Çë´óÏÀÖ¸½Ì£¬»ùÏßÔõô»áÕâÑù
ÒѾÓÐ10È˻ظ´
check²éѯ£º¿ªÊ¼ËµÔÚÃÀ¹ú´¦Àí£¬ÏÖÔÚÓÖ˵Óɱ±¾©´¦Àí£¬ÕâÊÇʲôÒâ˼°¡£¿
ÒѾÓÐ43È˻ظ´
Çó¸ßÈ˽â»ó£ºÆøÏàÉ«Æ×ÎÊÌâ
ÒѾÓÐ18È˻ظ´
CVÖеçÁ÷³öÏֶϵã
ÒѾÓÐ9È˻ظ´
Ç뺯ÆÀר¼ÒÃDZðËæ±ã¶Ô±êÊé¶ñÐÄ£¡
ÒѾÓÐ52È˻ظ´
¡¾ÇóÖú/½»Á÷¡¿western ÆØ¹âactinÕý³££¬µ«ÊÇÑùÆ·È´ÆØ²»³öÀ´
ÒѾÓÐ37È˻ظ´
¡¾ÇóÖú¡¿²â»ØÀ´µÄºË´ÅÇâÆ×ûÓÐÆ×ͼÊÇΪʲô
ÒѾÓÐ15È˻ظ´
¡¾Çë½Ì¡¿"Ç×ÓÍ»¯¶È"µÄ¶¨ÒåÊÇʲô
ÒѾÓÐ4È˻ظ´

changle9139
ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)
-

ר¼Ò¾Ñé: +299 - Ó¦Öú: 540 (²©Ê¿)
- ¹ó±ö: 31.945
- ½ð±Ò: 10658.7
- É¢½ð: 96075
- ºì»¨: 867
- ɳ·¢: 233
- Ìû×Ó: 19736
- ÔÚÏß: 3270.9Сʱ
- ³æºÅ: 782666
- ×¢²á: 2009-05-30
- רҵ: ÄÜÔ´»¯¹¤
- ¹ÜϽ: Óлú½»Á÷
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÀÇéäÖ®µÀ: ½ð±Ò+4 2014-03-13 23:10:38
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÀÇéäÖ®µÀ: ½ð±Ò+4 2014-03-13 23:10:38

2Â¥2014-03-13 10:36:52









»Ø¸´´ËÂ¥
20