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2013-05-23 12:21
求翻译：The resonance at 1.1 ppm is a function of only the ethyl ether present in the molecule.The integral per proton of the ethyl group can be calculated from this datum in the following way: 8.5 integrator units + 3 protons = 2.8 integrator units per proton. The resonance at 3.5 ppm is due to both methoxy and ethoxy groups.是什么意思？ 待解决
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The resonance at 1.1 ppm is a function of only the ethyl ether present in the molecule.The integral per proton of the ethyl group can be calculated from this datum in the following way: 8.5 integrator units + 3 protons = 2.8 integrator units per proton. The resonance at 3.5 ppm is due to both methoxy and ethoxy groups.
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