悬赏题
1.(化学)Why Downfield Proton Chemical Shifts Are Not Reliable Aromaticity Indicators.
2.(生物) mRNA Profile Analysis by Genechip after Acute Spinal Cord Injury in Rats .
3.(药学)Study on Sodium Polystyrene Sulfonate Drug-resins Liquid Sustained-release System.
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答案将于活动结束后公布
1.为什么低磁场区质子的化学位移不可以作为判断芳香性的依据
2. 大鼠脊髓损伤后基因表达谱变化的研究
3.聚苯乙烯磺酸钠药物树脂液体缓释给药系统的研究
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