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A quasi-three-dimensional finite element method of analysis is proposed for the dynamic response analysis of pile foundations that is computationally feasible for practical applications. The method uses a simplified three-dimensional wave equation for describing the dynamic response of the soil. The response of the pile foundation is computed directly(More)
  • G Wu, S M Yan
  • Journal of molecular microbiology and…
  • 2000
The repeated amino-acid sequences in Citrobacter Freundii beta-lactamase may be indispensable for its function, because such repetitions cannot be simply attributed to a chance. In order to fully explore the functional units in Citrobacter Freundii beta-lactamase, it may need to analyse all the amino acid pairs, triplets, etc. along Citrobacter Freundii(More)
  • S Yan, G Wu
  • Transboundary and emerging diseases
  • 2010
The current pandemic of A/H1N1 influenza raises a serious question on cross-species infection and cross-subtype mutation because our previous focus on possible influenza pandemic laid on H5N1 subtype and the cross-species infection between avian and human. In this study, we analyse 3874 neuraminidases from influenza A viruses using anova to answer the(More)
  • S Yan, G Wu
  • Transboundary and emerging diseases
  • 2013
This is a continuation of our studies previously published in this journal to use data analysis to explore why the reassortment of genetic segments from different host species and from different subtypes of influenza A viruses occurred frequently, which was considered the main reason for the generation of new strains. Of eleven proteins from influenza A(More)
Design charts for seismic pressures against rigid walls subjected to horizontal earthquake shaking are presented for both uniform and nonuniform backfills. Solutions are based on a simplified model of soil response which gives results that agree almost exactly with rigorous solutions. Peak seismic thrusts are presented for three different soil profiles. For(More)
  • S Yan, G Wu
  • Transboundary and emerging diseases
  • 2010
Global warming affects not only the environment where we live, but also all living species to different degree, including influenza A virus. We recently conducted several studies on the possible impact of global warming on the protein families of influenza A virus. More studies are needed in order to have a full picture of the impact of global warming on(More)
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