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  1. No Access

    Article

    Tri-Axial Confining Numerical Test and Settlement Analysis of the Gravel Layer

    The discrete element method (DEM) is used according to the discreteness of the gravel layer to analysis the gravel particle. This paper presents simulations of tri-axial experiment tests and settlement of grav...

    Liang Zhang, Zhengwei Guo, Zheng Liang in KSCE Journal of Civil Engineering (2020)

  2. No Access

    Article

    Pipeline Pull-Back Load Analysis by Continuous Beam Theory

    Pipeline pull-back load is an important basis for selecting power and checking capability of drilling equipment. In this paper, mechanical models of the pipeline hoisting outside and pulling inside the hole ar...

    Zhengwei Guo, Shuai **e, Liancheng Ren, Chaoqun Dong… in KSCE Journal of Civil Engineering (2020)

  3. No Access

    Article

    Synthesis of reversible PAD4 inhibitors via copper-catalyzed C−H arylation of benzimidazole

    PAD4 is a promising epigenetic drug target for various cancers and immune diseases. In this work, we applied a Cu-catalyzed C–H arylation reaction of N-heteroarene to the synthesis of complex non-covalent PAD4 in...

    Zhengwei Guo, Lai Shi, Bo Wang, Gang He, Yanming Wang, Gong Chen in Science China Chemistry (2019)

  4. No Access

    Article

    Analysis of the Pipeline Pull-back Load for Horizontal Directional Drilling

    One of the major areas of research in Horizontal Directional Drilling (HDD) technology is the accurate prediction of the pipeline pull-back load, which influences the project design schemes, selection of the d...

    Zhengwei Guo, Zheng Liang in KSCE Journal of Civil Engineering (2018)

  5. No Access

    Article

    Benzazetidine synthesis via palladium-catalysed intramolecular C−H amination

    Small-sized N-heterocycles are important structures in organic synthesis and medicinal chemistry. Palladium-catalysed intramolecular aminations of the C−H bonds of unfunctionalized amine precursors have recent...

    Gang He, Gang Lu, Zhengwei Guo, Peng Liu, Gong Chen in Nature Chemistry (2016)

  6. No Access

    Chapter and Conference Paper

    Wireless Sensor Network Data Storage Optimization Strategy

    Wireless sensor network (WSN) is develo** to be a new data-centric computer technology fields, which combined with wireless communication technology, computer network technology, sensor technology, and micro...

    Weibei Fan, Zhijie Han, Zhengwei Guo in Advanced Technologies in Ad Hoc and Sensor Networks (2014)

  7. No Access

    Chapter and Conference Paper

    Placement and Selection Algorithm of Reference Nodes in WSN Localization

    Currently, few studies of wireless sensor network node localization algorithm were focused on the reference nodes, but how to choose and place reference nodes has a great influence on the positioning accuracy....

    Lin Min, Hui Li, Zhengwei Guo in Advances in Wireless Sensor Networks (2013)

  8. No Access

    Chapter and Conference Paper

    Improved DV-Hop Localization Algorithm Based on RSSI Value and Hop Correction

    On the basis of the analysis of the relation between network’s topologyand localization precisionan improved DV-Hop algorithm based on hop correction is put forward. Firstly, RSSI value is used to correct the ...

    Zhengwei Guo, Lin Min, Hui Li, Wenjian Wu in Advances in Wireless Sensor Networks (2013)