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  1. No Access

    Article

    Endoscopic submucosal dissection for proximal duodenal subepithelial lesions: a retrospective cohort study

    Endoscopic submucosal dissection (ESD) has been used to remove subepithelial lesions (SELs) in recent years; however, duodenal ESD is associated with high rates of immediate or delayed bleeding and perforation...

    Yan-rong Zhang, Chang Sun, Chun-li Cheng, Jie Gao, **g Zhang… in Surgical Endoscopy (2022)

  2. No Access

    Article

    Shear Wave Elastography of Invasive Ductal Carcinoma: Correlations between Shear Wave Velocity and Histological Prognostic Factors

    The correlations between shear wave velocity (SWV) calculated from virtual touch tissue imaging quantification (VTIQ) technique and histological prognostic factors of invasive ductal carcinoma was investigated...

    **ao-qing Hu, Li Peng, Max Wintermark, Jafi Alyssa Lipson… in Current Medical Science (2021)

  3. Article

    Open Access

    The items in the Chinese version of the Montreal cognitive assessment basic discriminate among different severities of Alzheimer’s disease

    To determine whether items of the Chinese version of the Montreal Cognitive Assessment Basic (MoCA-BC) could discriminate among cognitively normal controls (NC), and those with mild cognitive impairment (MCI),...

    Yan-Rong Zhang, Yun-Long Ding, Ke-liang Chen, Yan Liu, Can Wei… in BMC Neurology (2019)

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  4. No Access

    Article

    High-order exceptional points in non-Hermitian Moiré lattices

    This study proposes an approach to generate high-order exceptional points (EPs) in non-Hermitian systems. A system comprising a homogenous waveguide is considered wherein the imaginary part of the refractive i...

    Yan-Rong Zhang, Ze-Zheng Zhang, Jia-Qi Yuan, Ming Kang, **g Chen in Frontiers of Physics (2019)

  5. No Access

    Article

    Study of the fractal rectangular boxes antenna based on near-zero-refractive effect and left-handed effect

    The fractal rectangular boxes antenna with the periodic rectangular split-ring resonators (SRRs) is proposed in this paper. The finite difference time domain (FDTD) method is used to study the characteristics ...

    Lei-lei Gong, Ji-jun Wang, Lei-jun Xu, Yan-rong Zhang in Journal of Optics (2014)

  6. No Access

    Article

    Influences of temperature on mechanical properties of cement asphalt mortars

    The compressive mechanical properties of cement asphalt mortars (CAMs) with varied bitumen-cement ratio (B/C) were studied under different temperatures, in order to reveal the susceptibility of mechanical prop...

    **ang-ming Kong, Yong-liang Liu, Yan-rong Zhang, Zhen-lin Zhang… in Materials and Structures (2014)

  7. No Access

    Article

    Antioxidative and antitumour properties of metal(II) solid complexes with 8-acetyl-4-methyl umbelliferone

    Six transition metal(II) complexes with 8-acetyl-4-methyl umbelliferone (AMUH), ML2 (L = AMU−; M = Mn, Co, Ni, Cu, Zn and Cd), have been synthesized and characterized by elemental analysis, electrical conductance...

    Qi Zhang, Jian-Jun Zhai, Yan-Rong Zhang, Ying-Mei Liu… in Transition Metal Chemistry (2000)