| 查看: 524 | 回复: 4 | |||
| 本帖产生 1 个 翻译EPI ，点击这里进行查看 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
[交流]
翻译成英文，谢啦
|
|||
|
氢氧化亚铁制备的实验改进 人教版普通高中课程标准化学1（必修）第三章第二节《几种重要的金属化合物》中制备Fe(OH)2是对照Fe(OH)3的制备方法。制备出的Fe(OH)2由于和空气接触，极易被空气中的O2氧化，学生基本上看不到白色絮状沉淀。本文通过以下两种方法对氢氧化亚铁制备的实验进行改进，均获得较好的效果。 |
回复此楼» 猜你喜欢
309求调剂
已经有9人回复
-
一志愿北交材料工程总分358
已经有7人回复
-
311求调剂一志愿合肥工业大学
已经有14人回复
-
材料调剂
已经有4人回复
-
085602化学工程268分蹲调剂
已经有5人回复
-
材料专业求调剂
已经有7人回复
-
材料调剂
已经有11人回复
-
考研调剂
已经有11人回复
-
材料专硕306英一数二
已经有6人回复
-
285求调剂
已经有3人回复
petrocatal
版主
- 翻译EPI: 134
- 应助: 23 (小学生)
- 贵宾: 0.01
- 金币: 3436.6
- 红花: 1
- 帖子: 959
- 在线: 299.5小时
- 虫号: 557856
- 注册: 2008-05-13
- 性别: GG
- 专业: 有机化工
tsh2001(金币+5): 2010-10-31 19:55:11
|
正文：According to content in "several important metal compounds", sectionⅡ of Chapter Ⅲ, common high school chemistry curriculum standard one (compulsory, published by PEP), ferrous hydroxide is synthesized, referring to the preparation of iron hydroxide. The resulted ferrous hydroxide is easily oxidized due to the exposurement to air. Thus, the white flocculent precipitation could be hardly observed. In the paper, two methods for improving the preparation of ferrous hydroxide are discussed. 感觉中文有些词可以完全不翻译，而且英语单词不宜重复过多！ |
5楼2010-10-31 12:34:05
2楼2010-10-30 22:45:54
tsh2001(金币+5): 2010-10-31 19:55:33
| 正文翻译： The preparation of ferrous hydroxide introduced in "several important metal compounds", sectionⅡ of Chapter Ⅲ, common high school chemistry curriculum standard one (compulsory, published by PEP), is referred to the iron hydroxide preparation method. The prepared ferrous hydroxide is exposured in air, which can be easily oxidized by oxygen. Thus, students generally can not see a white flocculent precipitate. In this paper, two improved methods of experimental preparation of ferrous hydroxide are discussed, showing better performance. |
3楼2010-10-30 23:11:50
tsh2001(金币+6): 2010-10-31 19:55:42
|
正文翻译： The preparation of ferrous hydroxide introduced in "several important metal compounds", sectionⅡ of Chapter Ⅲ, common high school chemistry curriculum standard one (compulsory, published by PEP), is referred to the iron hydroxide preparation method. The prepared ferrous hydroxide is exposured in air, which can be easily oxidized by oxygen. Thus, students can rarely see a white flocculent precipitate. In this paper, two improved methods of experimental preparation of ferrous hydroxide are discussed, showing a better performance. 稍作改动。 |
4楼2010-10-30 23:17:44
