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    Statistical Temporal Analysis of Freight Train Derailment Rates in the United States

    2000 to 2012
    Liu, Xiang | Transportation Research Record | 2015

    Analysis of Collision Risk for Freight Trains in the United States

    Liu, Xiang | Transportation Research Record | 2016

    Mobile charging equipment for new energy automobile

    Free access
    LIU XIANG | European Patent Office | 2022

    Wear-resistant straight-cylinder type protective sleeve for automobile

    Free access
    LIU XIANG | European Patent Office | 2021

    Unmanned aerial vehicle spraying and mode switchable pesticide spraying device

    Free access
    LIU XIANG | European Patent Office | 2021

    Large-range high-adaptability remote-control alarm warning vehicle

    Free access
    LIU XIANG | European Patent Office | 2022

    Unmanned law enforcement management system

    Free access
    LIU XIANG | European Patent Office | 2020

    Battery replacement system and battery replacement method thereof

    Free access
    LIU XIANG | European Patent Office | 2023

    Automobile part shape adjusting system

    Free access
    LIU XIANG | European Patent Office | 2021

    Automobile visual field service system

    Free access
    LIU XIANG | European Patent Office | 2020

    Landscaping device capable of flying to harvest weeds

    Free access
    LIU XIANG | European Patent Office | 2020

    Automobile energy storage and reuse system

    Free access
    LIU XIANG | European Patent Office | 2020