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关注：1
2013-05-23 12:21
求翻译：in which the weak peak at 3300–3450 cm 1 due to the –NH2symmetric and asymmetric stretching vibration is observed in Sample A, while the peak at 1715–1730 cm 1assigned to the free –COOH group is absent in Sample B.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
in which the weak peak at 3300–3450 cm 1 due to the –NH2symmetric and asymmetric stretching vibration is observed in Sample A, while the peak at 1715–1730 cm 1assigned to the free –COOH group is absent in Sample B.
问题补充： |
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2013-05-23 12:21:38
其中在3300-3450厘米-1 1由于-NH2symmetric和不对称伸缩振动的弱峰在样品A中观察到的，而在1715至1730年厘米的峰值？ 1assigned到游离的-COOH基团是不存在于样品B
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
在哪些微弱的峰顶在3300-3450 cm 1由于- NH2symmetric和不对称的舒展的振动在样品A被观察，而峰顶在1715-1730 cm 1assigned对自由- COOH小组是缺席在样品B。
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2013-05-23 12:26:38
在弱者顶峰 3300 — — 3450 厘米 1 – NH2symmetric 和不对称伸缩振动在样品 A 时观测 1715年-1730年厘米 1assigned 的自由 — — COOH 群高峰是缺席在样品 B.
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2013-05-23 12:28:18
in which the weak peak at 3300-3450 cm 1 due to the -NH2symmetric and asymmetric stretching vibration is observed in Sample A, while the peak at 1715-1730 cm 1assigned to the free -COOH group is absent in Sample B.
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