Showing 201 - 220 results of 2,083 for search 'Defect characteristics', query time: 0.10s Refine Results
  1. 201

    3D Printing of cemented carbides: a review of techniques, defects, and post-processing by Chenyang Ma, Tianen Yang, Yaoqin Tang, Zhiyuan Zou, Zhiyuan Ma, Yu Cao, Jiahuan He, Ling Chen, Ting Chen, Ji Xiong

    Published 2025-05-01
    “…Additionally, the paper analyzes metallurgical defects that may occur during the printing process and discusses various detection methods, alongside post-processing techniques for 3D-printed cemented carbide substrates. …”
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    Article
  2. 202

    Multi-Scale Plastic Lunch Box Surface Defect Detection Based on Dynamic Convolution by Jing Yang, Gang Zhang, Yunwang Ge, Jingzhuo Shi, Yiming Wang, Jiahao Li

    Published 2024-01-01
    “…Finally, MPDIoU is used as the boundary frame loss function, and geometric characteristics are used to improve the model’s perception ability of various defects. …”
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    Article
  3. 203

    A Few-Shot Steel Surface Defect Generation Method Based on Diffusion Models by Hongjie Li, Yang Liu, Chuni Liu, Hongxuan Pang, Ke Xu

    Published 2025-05-01
    “…Few-shot steel surface defect generation remains challenging due to the limited availability of training samples and the complex visual characteristics of industrial defects. …”
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    Article
  4. 204

    4D Digital Integration for Nanomaterial-Based Monitoring and Treatment of Bridge Piers Defects by Ghazy Abdullah Albaqawy, Mabrouk Touahmia, Mustapha Boukendakdji, Abderrahmane Ouazir, Abdulaziz Mansour, Ahmed Sallam, Mohamed Saleh Sedek

    Published 2025-02-01
    “…This study presents an innovative 4D digital model that integrates Bridge Information Modeling (BrIM) with several types of data to defect detection in complex bridge structures. The model promotes precise data preparation, navigation, visualization, integration, and monitoring, enabling the identification of defects, like material deterioration, condition changes, and structural clashes in components like trusses. …”
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    Article
  5. 205
  6. 206

    Reconfigurable CPW Band-Stop Filter Based on Loaded T-Shaped Defected Ground Structure by Claudia E. Perez-Martinez, Lourdes Martinez-Lopez, Rosalba Martinez-Lopez, Jose I. Martinez-Lopez

    Published 2025-01-01
    “…This paper presents the design and implementation of a reconfigurable band-stop filter based on a coplanar waveguide (CPW) transmission line incorporating defected ground structures (DGS). The proposed filter consists of two pairs of T-shaped resonators loaded with varactor diodes and embedded in the ground plane of the CPW. …”
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    Article
  7. 207

    Study on residual strength of oil and gas pipeline with corrosion defects under bending load by Song Chenxi, Shu Jie, Chen Han, Shi Tong, Wu Xiatong, Liu Xiaoben

    Published 2025-01-01
    “…Utilising this model, a systematic study of the dimensional characteristics of corrosion defects (including length, width, and depth) and the influence of pipe material (steel type) on residual strength has been conducted. …”
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  8. 208
  9. 209

    Evaluation of Periodontal Infrabony Defect Topography via CBCT and Comparisons with Direct Intrasurgical Measurements by Tiffany See Nok Chen, Nicholas David Sung, Melissa Rachel Fok, Mihai Tarce, Kanoknadda Tavedhikul, Georgios Pelekos

    Published 2025-07-01
    “…This study aimed to evaluate the agreement between CBCT and direct intrasurgical measurements (ISs) regarding the characteristics of infrabony defects, including measurements of defect depth, width, the type of defect (one-wall, two-wall, three-wall), and defect extension. …”
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    Article
  10. 210
  11. 211

    Harmonic-Rejection Compact Bandpass Filter Using Defected Ground Structure for GPS Application by Haiwen Liu, Baoping Ren, Xiang Xiao, Zhichong Zhang, Shen Li, Suping Peng

    Published 2014-01-01
    “…A miniaturized bandpass filter (BPF) using defected ground structure (DGS) resonator with the characteristic of harmonic rejection is developed in this paper. …”
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    Article
  12. 212

    Influence of Vacancy Defect on Surface Feature and Adsorption of Cs on GaN(0001) Surface by Yanjun Ji, Yujie Du, Meishan Wang

    Published 2014-01-01
    “…The effects of Ga and N vacancy defect on the change in surface feature, work function, and characteristic of Cs adsorption on a 2×2 GaN(0001) surface have been investigated using density functional theory with a plane-wave ultrasoft pseudopotential method based on first-principles calculations. …”
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    Article
  13. 213

    A VCO with Harmonic Suppressed and Output Power Improved Using Defected Ground Structure by Haiwen Liu, Xiaowei Sun, Zhengfan Li

    Published 2003-01-01
    “…In this paper, a novel defected ground structure (DGS) is proposed for suppressing harmonic and increasing the output power of a voltage-controlled oscillator (VCO) in microwave circuits. …”
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  14. 214

    Reflection and transmission of circularly polarized light for a layered periodic system with distributed defects by Valeriy V. Yatsyshen

    Published 2025-04-01
    “…The paper presents the results of calculating the frequency and angular spectra of reflection and transmission of light for a periodic structure with complex embedded defects. Methods. Using the characteristic matrix method, the energy reflection and transmission coefficients are calculated for such a structure using circularly polarized light. …”
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  15. 215

    Non-Destructive Detection of External Defects in Potatoes Using Hyperspectral Imaging and Machine Learning by Ping Zhao, Xiaojian Wang, Qing Zhao, Qingbing Xu, Yiru Sun, Xiaofeng Ning

    Published 2025-03-01
    “…The successive projections algorithm (SPA) was used to obtain various characteristic wavelengths. Finally, the qualitative models were established to detect the external defects of potatoes using the machine learning algorithms of backpropagation neural network (BPNN), k-nearest neighbors (KNN), classification and regression tree (CART), and linear discriminant analysis (LDA). …”
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    Article
  16. 216

    Flexural Wave Propagation and Defect States of Periodic Slab Track Structure in High-Speed Railway by Qiang Yi, Zeyu Wu, Lei Zhao, Zhiheng Li, Shuguo Wang

    Published 2025-01-01
    “…The frequency of the first-order defect state is significantly affected by the defect size, the second-order defect state exhibits unidirectional propagation characteristics, and the third-order defect state shows localized vibration characteristics, which can provide a reference for defect identification.…”
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  17. 217
  18. 218

    RST-YOLOv8: An Improved Chip Surface Defect Detection Model Based on YOLOv8 by Wenjie Tang, Yangjun Deng, Xu Luo

    Published 2025-06-01
    “…This paper addresses the challenge of low identification accuracy in chip surface defect detection, which arises from the similarity of defect characteristics, small sizes, and significant scale differences. …”
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    Article
  19. 219

    The Surface Plasmon Resonance Effect on the Defect-Mode Cholesteric Liquid Crystals Doped With Gold Nanoparticles by Yu-Sung Liu, Hui-Chi Lin, Han-Lin Xu

    Published 2018-01-01
    “…Cholesteric liquid crystals exhibit the characteristics of photonic crystals with a photonic bandgap. …”
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  20. 220

    Congenital Heart Defects in Paediatric Patients with Congenital Urogenital Abnormalities: A Cross-sectional Study by Sonal Khatavkar, Nayana Raveendran, Dhananjay Dilip Vaze

    Published 2024-12-01
    “…Introduction: Congenital Heart Defects (CHD) are the most significant co-morbidity in children with congenital anomalies of the kidney and urinary tract, according to past research. …”
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    Article