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- ·ÒëEPI: 180
- Ó¦Öú: 5 (Ó×¶ùÔ°)
- ¹ó±ö: 0.015
- ½ð±Ò: 6765.2
- É¢½ð: 48
- ºì»¨: 18
- Ìû×Ó: 500
- ÔÚÏß: 285.5Сʱ
- ³æºÅ: 1055187
- ×¢²á: 2010-07-10
- ÐÔ±ð: GG
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sltmac(½ð±Ò+1): »¶Ó³£À´~~ 2011-04-27 14:37:35
yangsanfly(½ð±Ò+10, ·ÒëEPI+1): ллÄ㣡£¡£¡ 2011-04-28 08:47:54
sltmac(½ð±Ò+1): »¶Ó³£À´~~ 2011-04-27 14:37:35
yangsanfly(½ð±Ò+10, ·ÒëEPI+1): ллÄ㣡£¡£¡ 2011-04-28 08:47:54
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With hydrochloric sinomenine and sodium nitrite as substrates, 1-nitrosinomenine is obtained through nitrification. Influence of substrate amount, reaction temperature and reaction time on product yield was investigated. Experimental results indicate that, under the following conditions, i.e., sinomenine 0.5g , sodium nitrite 0.2000g, temperature approximately 12¡æ£¬reaction time 1.5h £¬the total yield rate of product is above 38.64% |

2Â¥2011-04-27 12:06:41









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