Liu Zhiqiang

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A novel mass spectrometric method is applied to rapid, accurate, quantitative analysis of chiral phenylglycine. Transition-metal-bound complex ions containing the chiral phenylglycine are generated by electrospray ionization mass spectrometry and subjected to collision-induced dissociation. The ratio of the two competitive dissociation rates is related to(More)
The subway tunnel's unstable settlement caused by long-term operation brings an unfavorable influence on the stability of tunnel. Therefore, researches on dynamic response analysis of tunnel foundation and reasonable range of grouting reinforcement are important to the safe operation of subway. Based on the vehicle dynamic load conditions during operation(More)
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