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hanches: ½ð±Ò+2, ¸ÐлӦÖú£¬BB½±Àø~~~ 2013-05-12 20:40:45
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»òÕß½Ð: °ëÁòËáÑλ¯µÄ»¯ºÏÎï= °ëÁòËáÑλ¯ºÏÎï ¶ÔÓ¦¸ÃÊÇ demi-sulphate: °ëÁòËáÑÎ ²Î¿¼: http://www.instrument.com.cn/reagent/P1438349.htm http://www.chazidian.com/baike/491332/ ллÁË, ѧϰÁË. |

9Â¥2013-05-10 16:35:40
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3Â¥2013-05-09 22:50:38
adslye
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demi-sulphate is meant the sulphate containing a half mole of sulphuric acid per mole of melamine. (C.sub.3 H.sub.6 N.sub.6.1/2H.sub.2 SO.sub.4) Ò²¾ÍÊÇ£ºÃ¿Ä¦¶ûÈý¾ÛÇè°·º¬ 0.5Ħ¶ûÁòËá »¯Ñ§¹¦µ×²»Ôúʵ£¬Ã»Àí½â¡£Òò´ËҲû°ÑÎÕÊǶԵġ£Ï£ÍûÓÐÈËÄܽâÊÍ¡£ ÕâÀïÅ×שÒýÓñÁË¡£ |
4Â¥2013-05-09 22:55:25
hookhans
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- ÔÚÏß: 400.1Сʱ
- ³æºÅ: 2260260
- ×¢²á: 2013-01-25
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5Â¥2013-05-10 11:36:58













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