Search Results - Yiwei Li

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  1. 1
    Experimental Demonstration of an Indoor VLC Positioning System Based on OFDMA

    Experimental Demonstration of an Indoor VLC Positioning System Based on OFDMA by Bangjiang Lin, Xuan Tang, Zabih Ghassemlooy, Chun Lin, Yiwei Li

    Published 2017-01-01

    We propose an indoor visible light communication (VLC) and positioning system using the orthogonal frequency division multiplexing access (OFDMA) scheme, which can provide both indoor positioning and communications. Three subcarriers with the maximum received signal intensity with respect to three l...

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  2. 2
    Experimental Demonstration of OFDM/OQAM Transmission for Visible Light Communications

    Experimental Demonstration of OFDM/OQAM Transmission for Visible Light Communications by Bangjiang Lin, Xuan Tang, Zabih Ghassemlooy, Xi Fang, Chun Lin, Yiwei Li, Shihao Zhang

    Published 2016-01-01

    We propose a modified orthogonal frequency division multiplexing/offset quadrature amplitude modulation (OFDM/OQAM) scheme for visible light communications (VLC). The OFDM/OQAM VLC system can efficiently boost the data rate, and combat multipath induced the inter sym...

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  3. 3
    Hollow-walled metamaterials: Unifying mechanical resilience and biointegration through continuous curvature

    Hollow-walled metamaterials: Unifying mechanical resilience and biointegration through continuous curvature by Anh Ly, Qiyang Tan, Yiwei Li, Zhuoyang Xin, Fanshuo Wang, Deniz U. Erbulut, Chun Xu, Mingxing Zhang

    Published 2025-09-01

    Conventional lattice materials for load-bearing implants often struggle to combine high strength, stable failure modes, and effective biointegration, a challenge rooted in their discontinuous geometries and stress-concentrating nodal junctions. Here, we introduce hollow-walled triply periodic minima...

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  4. 4
    Study on carbon emission accounting and emission reduction path of coal production in coal mine

    Study on carbon emission accounting and emission reduction path of coal production in coal mine by Xinbo GU, Weidong PAN, A SIhaer Niyazibieke, ‌Zhining ZHAO, Shaohua FENG, Yiwei LI, Jie HUANGFU, Xiaohua WU

    Published 2025-06-01

    In the energy industry, achieving the goal of carbon peak and carbon neutrality is the main task. With the continuous advancement of the dual-carbon strategy, the industry regulatory model will gradually change from the current “energy dual control” to “carbon emission dual control” and emission red...

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  5. 5
    Effects of Aggregate-to-Binder Ratio on Mechanical Performance of Engineered Geopolymer Composites with Recycled Rubber Aggregates

    Effects of Aggregate-to-Binder Ratio on Mechanical Performance of Engineered Geopolymer Composites with Recycled Rubber Aggregates by Yiwei Li, Shuzhuo Zhi, Ran Chai, Zhiying Zhou, Jiarui He, Zizhao Yao, Zhan Yang, Genquan Zhong, Yongchang Guo

    Published 2025-07-01

    This study investigates the development of a fully rubberized fine-aggregate engineered geopolymer composite (R-EGC) by replacing quartz sand with waste rubber particles (RPs). The influence of the rubber aggregate-to-binder mass ratio (A/B) on the performance of the R-EGC was systematically examine...

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  6. 6
    Adaptive 3D Self‐Assembly of Colorectal Cancer Cells With Unchanged Tumor Phenotype and Drug Sensitivity

    Adaptive 3D Self‐Assembly of Colorectal Cancer Cells With Unchanged Tumor Phenotype and Drug Sensitivity by Yong Zhang, Yang Liu, Yang Yang, Yiwei Li, Lei Liu, Yang Huang, Weiting Zhao, Yong Liu, Minghao Zhang, Yunshan Zhao, Chenggang Li

    Published 2025-07-01

    ABSTRACT Background Three‐dimensional (3D) self‐assembly of organoids or tumoroids based on 3D rebuilding environment (3DRE) aims to preserve the biological characteristics of original tumors, but whether the self‐assembly process is influenced by 3DREs remains unknown. We here compared the colorect...

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  7. 7
    The Potential of Ruthenium(II) Tris‐Bidentate Complexes as Multifunctional Photo‐Initiators

    The Potential of Ruthenium(II) Tris‐Bidentate Complexes as Multifunctional Photo‐Initiators by Quinn V. C. vanHilst, Vinh Khanh Doan, Bram G Soliman, Yiwei Li, Yi Wang, Siyuan Liu, Kieran Lau, Habib Joukhdar, Qishu He, Chung‐Wei (Roy) Hsu, Chun Xu, Jelena Rnjak‐Kovacina, Tim B. F. Woodfield, James D. Crowley, Khoon S. Lim

    Published 2025-07-01

    Abstract An optically active antibacterial ruthenium(II) phenanthroline complex (tris(3,4,7,8‐tetramethyl‐1,10‐phenanthroline) ruthenium(II) dichloride), is investigated for its potential as a multifunctional photo‐initiator. Antibacterial and cytotoxic studies indicated that the complex is biologic...

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  8. 8
    Radiology-GPT: A large language model for radiology

    Radiology-GPT: A large language model for radiology by Zhengliang Liu, Yiwei Li, Peng Shu, Aoxiao Zhong, Hanqi Jiang, Yi Pan, Longtao Yang, Chao Ju, Zihao Wu, Chong Ma, Cheng Chen, Sekeun Kim, Haixing Dai, Lin Zhao, Lichao Sun, Dajiang Zhu, Jun Liu, Wei Liu, Dinggang Shen, Quanzheng Li, Tianming Liu, Xiang Li

    Published 2025-06-01

    We introduce Radiology-GPT, a large language model for radiology. Using an instruction tuning approach on an extensive dataset of radiology domain knowledge, Radiology-GPT demonstrates superior performance compared to general language models such as StableLM, Dolly, and LLaMA. It exhibits significan...

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