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    Article

    A class of new successive permutation iterative algorithms with the relaxation factor for radiation diffusion equation

    In the simulation of radiation diffusion problem, the solution of linear equations consumes a lot of calculational time, which can be reduced greatly by the iterative method. Based on the discretization of the...

    Yunming Pan, Qiuyan Xu, Zhiyong Liu, Jiye Yang in Computational and Applied Mathematics (2023)

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    Open Access

    Prognostic value of the modified systemic inflammation score in non-small-cell lung cancer with brain metastasis

    Brain metastases (BM) from non-small-cell lung cancer (NSCLC) is the most common brain malignancy. Systemic inflammation biomarkers have recently been evaluated as prognosis indicators in several tumors. The c...

    Feng Wang, Limin Chen, Zhao Wang, Qiuyan Xu, He Huang in Cancer Cell International (2022)

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    Article

    The Reproducing Kernel Viewpoints of General Ritz–Galerkin Approximation

    In this paper, we introduce the new concepts of strictly positive definite functional and reproducing kernel functional space. We establish a connection between the strictly positive definite functional and...

    Zhiyong Liu, Qiuyan Xu in Mathematical Notes (2022)

  4. Article

    Open Access

    Clinical characteristics of children with airway malacia complicated by pneumonia

    Airway malacia is an important cause of noisy breathing, recurrent wheezing and respiratory infections, chronic coughing, and episodes of respiratory distress in young children. As the clinical manifestations ...

    Ting Wang, Qiuyan Xu, Ge Dai, Yu Hong, Zhengrong Chen, Min Lu in BMC Infectious Diseases (2021)

  5. Article

    An ICT-Based Hydrogen Sulfide Sensor with Good Water Solubility for Fluorescence Imaging in Living Cells

    Qiuyan Xu, Longwei He, Haipeng Wei, Weiying Lin in Journal of Fluorescence (2018)