| 查看: 276 | 回复: 2 | ||
| 当前主题已经存档。 | ||
我心永恒1567木虫 (正式写手)
|
[交流]
修改一段英文
|
|
|
After evaporation to dryness of the aqueous layer then with 0.5 M Na2CO3 neutralizing CF3COOH until the pH near neutral 投稿的文章,说是表述欠妥 [ Last edited by 我心永恒1567 on 2010-3-1 at 14:39 ] |

2楼2010-03-01 18:13:15
xiaoqihu
铁杆木虫 (著名写手)
- 翻译EPI: 88
- 应助: 1 (幼儿园)
- 贵宾: 0.005
- 金币: 9724.8
- 散金: 7
- 红花: 4
- 帖子: 1337
- 在线: 105.6小时
- 虫号: 590066
- 注册: 2008-08-31
- 专业: 有机合成
我心永恒1567(金币+1): 2010-03-04 11:21
|
After evaporation to dryness of the aqueous layer then with 0.5 M Na2CO3 neutralizing CF3COOH until the pH near neutral 我都不知道你这个干燥过程是在pH之前还是之后,你最好吧中文写出来吧 1. after evaporation, the aqueous layer, then, was neutralized by Na2CO3. 2. after evaporation, the excess CF3COOH in aqueous layer was neutralized by Na2CO3. 3. before evaporation, the excess CF3COOH in aqueous layer was neutralized by Na2CO3 [ Last edited by xiaoqihu on 2010-3-3 at 09:39 ] |

3楼2010-03-02 22:58:27













回复此楼