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关注：1
2013-05-23 12:21
求翻译：本实验是在其他条件不变的情况下，探讨加入不同浓度的NaCl（0%-15%）对四种铅化合物萃取效率和富集效果的影响是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
本实验是在其他条件不变的情况下，探讨加入不同浓度的NaCl（0%-15%）对四种铅化合物萃取效率和富集效果的影响
问题补充： |
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2013-05-23 12:21:38
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2013-05-23 12:23:18
This lab is in the other conditions remain unchanged, explore different density joined NACL 0%-15% () on four lead compounds extraction efficiency and rich effects
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2013-05-23 12:24:58
This experiment is in other condition invariable situation, the discussion joins the different density NaCl(0%-15%) pair of four kind of plumbous compound extract efficiency and concentrates the effect the influence
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2013-05-23 12:26:38
This experiment is in the case of other conditions do not change, explore the different concentrations of NaCl (0%-15%) of four extraction efficiency of lead compounds and concentration effects of
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2013-05-23 12:28:18
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