|
关注：1
2013-05-23 12:21
求翻译：在不同浓度的样品中添加4ml的DPPH后，放置在黑暗中30 min，最后在517nm测定它的吸光度。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
在不同浓度的样品中添加4ml的DPPH后，放置在黑暗中30 min，最后在517nm测定它的吸光度。
问题补充： |
|
2013-05-23 12:21:38
Samples in different concentrations of DPPH after adding 4ml, placed in the dark 30 min, the final determination of its absorbance at 517nm.
|
|
2013-05-23 12:23:18
In different concentrations in the samples, add 4 ml of DPPH placed after 30 min in the dark, and finally In 517 nm measured its absorbency.
|
|
2013-05-23 12:24:58
Increases 4ml after in the different density sample DPPH, lays aside in darkness 30 min, finally determines its extinction in 517nm.
|
|
2013-05-23 12:26:38
Add 4ml in different concentration of the sample after the DPPH, placed in the dark, 30 min, final determination of its absorbance at 517nm.
|
|
2013-05-23 12:28:18
Samples in different concentrations of DPPH after adding 4ml, placed in the dark 30 min, the final determination of its absorbance at 517nm.
|
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
