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  1. Article

    Open Access

    Experimental and Analytical Studies of U-Shaped Thin-Walled RC Beams Under Combined Actions of Torsion, Flexure and Shear

    U-shaped thin-walled concrete bridge beams usually suffer the combined actions of flexure, shear and torsion, but no research about the behavior of U-shaped thin-walled RC beams under combined actions has been...

    Jianchao Xu, Shenggang Chen, Quanquan Guo in International Journal of Concrete Structur… (2018)

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    Article

    Impairment of antigen-specific T-cell priming in mice lacking CD40 ligand

    LACK of functional expression of CD40 ligand (CD40L) on T cells results in hyper-IgM syndrome (HIGMl), a human immunodeficiency associated with a severely impaired humoral immune response that is consistent wi...

    Iqbal S. Grewal, Jianchao Xu, Richard A. Flavell in Nature (1995)