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freefly2016

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[求助] 很简单的句子,请化学专业的同学帮忙写成地道的英文,谢谢

化学专业的同学请帮忙写成地道的英文,谢谢我写的句子太中式了, 请帮忙写成地道的英文,非常感谢。①这些物质中,物质A、B和C为同系物。他们的结构中都含有物质A的结构。B比A多一个甲基,C 比A多两个甲基。Among these compounds, A, B and C were homologues. They all contain A structure framework. There one more methyl in the structure of B than A, and two more methyl groups in the structure of C than A. ②随着碰撞能量的增加,m/z 100的峰增加一点,但并没有新的峰再出现。当碰撞能量达到40eV时,m/z 100的峰消失了。As the increasing of collision energy, the peak abundance at m/z 100 increased a little, and there was no more obvious new product ion anymore. When the collision energy was up to 40 eV, the peak at m/z 100 disappeared.
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2楼2016-04-11 19:15:42
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freefly2016: 金币+20, 翻译EPI+1 2016-04-12 08:39:54
这个永不者化学专业的就可以搞定:
①这些物质中,物质A、B和C为同系物。他们的结构中都含有物质A的结构。B比A多一个甲基,C 比A多两个甲基。
Among these compounds, A, B and C are homologues,all of which have A structure framework. Comparing with A, B has one more methyl while B has two more methyl groups in their structures, respectively.

Side note: 描述结构为什么用过去式呢?难道昨天是同系物,明天就不是了?

②随着碰撞能量的增加,m/z 100的峰增加一点,但并没有新的峰再出现。当碰撞能量达到40eV时,m/z 100的峰消失了。
With the increasing of collision energy, the peak abundance at m/z 100 increased slightly, with no extra peaks (or product ions). However,the peak at m/z 100 disappeared when the collision energy was increased to up to 40 eV.
3楼2016-04-11 21:36:47
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