| ²é¿´: 464 | »Ø¸´: 2 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
jim5362½ð³æ (ÕýʽдÊÖ)
|
[½»Á÷]
Çó·Òë
|
||
|
¡°ÒÔ̼12Ô×ÓµÄÖÊÁ¿µÄ1/12×÷Ϊ±ê×¼£¬ÆäËûÔ×ÓµÄÖÊÁ¿¸úËü×÷±È½ÏËùµÃµÄÊýÖµ¾ÍÊÇÕâÖÖÔ×ÓµÄÏà¶ÔÔ×ÓÖÊÁ¿¡± ·ÒëΪ¿ÚÓï£¬ÌØ±ðÊÇ1/12ÓÿÚÓïÔõô±í´ï£¿Ð»Ð»ÁË |
» ²ÂÄãϲ»¶
313Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
²ÄÁϵ÷¼Á
ÒѾÓÐ13È˻ظ´
²ÄÁÏר˶283Çóµ÷¼Á
ÒѾÓÐ13È˻ظ´
295Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á
ÒѾÓÐ7È˻ظ´
307·Ö²ÄÁÏרҵÇóµ÷¼Á
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
²ÄÁÏÓ뻯¹¤371Çóµ÷¼Á
ÒѾÓÐ11È˻ظ´
²ÄÁÏÇóµ÷¼Á
ÒѾÓÐ4È˻ظ´

lixiaod001
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 15 (СѧÉú)
- ½ð±Ò: 1474.5
- Ìû×Ó: 771
- ÔÚÏß: 5.5Сʱ
- ³æºÅ: 688890
- ×¢²á: 2009-01-06
- רҵ: ÌìÈ»Óлú»¯Ñ§
3Â¥2009-10-15 12:03:57
pitlord999
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1447.3
- ºì»¨: 7
- Ìû×Ó: 284
- ÔÚÏß: 24.4Сʱ
- ³æºÅ: 822142
- ×¢²á: 2009-08-04
- ÐÔ±ð: GG
- רҵ: ¹¤³ÌÈÈÎïÀíÏà¹Ø½»²æÁìÓò
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
jim5362(½ð±Ò+6,VIP+0): 10-15 12:05
jim5362(½ð±Ò+6,VIP+0): 10-15 12:05
| Use one twelfth of the molecular weight of carbon 12 atom as a standard, and divide other atoms' molecular weithts by this standard to obtain their relative molecular weight. |
2Â¥2009-10-15 11:03:16














»Ø¸´´ËÂ¥
5