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  1. Article

    Open Access

    Lower HBV DNA level is associated with more severe liver fibrosis in HBeAg-positive chronic hepatitis B with normal alanine transaminase

    The association of hepatitis B virus (HBV) DNA levels and liver fibrosis in chronic hepatitis B (CHB) patients with immune-tolerant phase remains unclear. We explored the association between liver fibrosis and...

    Jian Wang, Li Zhu, Zhiyi Zhang, Shaoqiu Zhang, Yifan Pan, Yuanyuan Li… in Virology Journal (2024)

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  2. No Access

    Article

    Hydraulic properties of sodium polyacrylate-modified bentonite–sand mixtures

    Sodium polyacrylate (PAA-Na) was selected as a polymer to modify sodium bentonite (NaB) to improve its chemical compatibility, thereby improving the hydraulic properties of polymer-modified bentonite–sand mixt...

    Wei Yang, Shaoqiu Zhang, Pan **e… in Bulletin of Engineering Geology and the En… (2023)

  3. Article

    Open Access

    Study on the dynamic pore water pressure model of centerline tailings sand based on dynamic triaxial tests

    The increase of pore water pressure under a dynamic load is an important reason for the vibration liquefaction of saturated sand. Therefore, studying the dynamic pore water pressure model of tailings sand play...

    **n Huang, **aoguang Cai, Pan Yang… in Geomechanics and Geophysics for Geo-Energy… (2023)

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  4. No Access

    Article

    Use of terrestrial laser scanning to obtain the stem diameters of Larix olgensis and construct compatible taper-volume equations

    Using Hough transform to extract the stem diameter from TLS data to relative height of 0.7, the established compatible taper-volume equations was able to accurately estimate the stem volume.

    Dandan Li, Weiwei Jia, Haotian Guo, Fan Wang, Ye Ma, Wenyue Peng, Shaoqiu Zhang in Trees (2023)

  5. No Access

    Article

    Adaptive machining scheme for a multi-hole part with multi-position accuracy tolerances

    The machining of multi-hole parts often has complex correlated position accuracy tolerances. When some position accuracies do not meet the tolerances, several hole axes need to be adjusted. Previous methods us...

    Zhen Sun, **fa Feng, Long Zeng… in The International Journal of Advanced Manu… (2022)

  6. No Access

    Article

    A rigid-flexible coupling pretravel error model for a touch-trigger probe in an on-machine inspection system

    Touch-trigger probes are widely used in on-machine inspection (OMI) systems, which have become increasingly important in an interprocess inspection. The pretravel errors are often compensated by data-driven ca...

    Simi Li, **fa Feng, Long Zeng, Shuai Wang… in The International Journal of Advanced Manu… (2021)