Showing 721 - 740 results of 9,442 for search '(structures OR (structural OR structure)) variations', query time: 0.29s Refine Results
  1. 721

    Numerical Study of Surrounding Rock Damage in Deep-Buried Tunnels for Building-Integrated Underground Structures by Penglin Zhang, Chong Zhang, Weitao Chen, Chunhui He, Yang Liu, Zhaofei Chu

    Published 2025-06-01
    “…Understanding the distribution characteristics of rock damage zones under these conditions is crucial for the design and safety of building-integrated underground structures. This study investigates the relationship between surrounding rock damage and in situ stress conditions through numerical simulation methods. …”
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  2. 722

    Anatomic characteristics of the lacrimal sac and adjacent bony structures–a computed tomographic-dacryocystography research by Xin-Han Cui, Yan-Wen Fang, Li-Min Zhang, Ji-Ni Qiu, Chao-Ran Zhang, Yan Wang

    Published 2025-02-01
    “…AIM: To describe the anatomic characteristics of the lacrimal sac and its adjacent bone structures and to provide surgical recommendations for endoscopic dacryocystorhinostomy (EN-DCR). …”
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  3. 723

    AI-driven generative and reinforcement learning for mechanical optimization of 2D patterned hollow structures by Yicheng Shan, Leitao Cao, Yu Wang, Jing Ren, Chen Huang, Wenli Gao, Shengjie Ling

    Published 2025-01-01
    “…We generated a comprehensive dataet comprising 1000 samples across five distinct density classes using a custom grid pattern generation algorithm, ensuring a wide range of structural variations. The cGAN accurately predicts stress distributions, achieving a high correlation with finite element analysis (FEA) results while reducing computational time from approximately 40 s (FEA) to just 1–2 s per prediction. …”
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  4. 724

    Enhanced Human Action Recognition Using Fusion of Skeletal Joint Dynamics and Structural Features by S. N. Muralikrishna, Balachandra Muniyal, U. Dinesh Acharya, Raghurama Holla

    Published 2020-01-01
    “…The displacement vector of joint locations is used to compute the temporal features. The structural variation features and the temporal variation features are fused using a neural network to perform action classification. …”
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  5. 725

    Simulation test and optimization for structural parameters of circular arc gear discharging fertilizer apparatus by DUN Guoqiang, GAO Zhiyong, GUO Yanling, LIU Yuxuan, MAO Ning, JI Wenyi

    Published 2020-10-01
    “…The optimum structure was selected to do the bench test. The results indicated that the coefficient of variation of the quality changes of discharging fertilizer was 0.27, and the coefficient of determination of fertilizer discharging amount in unit time was 0.998 0. …”
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  6. 726

    Experimental Study of an Adaptive Sequential Nonlinear LSE with Unknown Inputs for Structural Damage Tracking by Tengfei Mu, Li Zhou, Jann N. Yang

    Published 2014-01-01
    “…Experimental results demonstrate that the improved ASNLSE-UI approach is capable of tracking the variation of stiffness parameters leading to the detection of structural damages.…”
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  7. 727
  8. 728

    Structural Response of the Metro Tunnel under Local Dynamic Water Environment in Loess Strata by Junling Qiu, Yiwen Qin, Jinxing Lai, Ke Wang, Fangyuan Niu, Hao Wang, Guanglong Zhang

    Published 2019-01-01
    “…In recent years, Xi’an city, China, has taken the leadership in large-scale construction of subway lines in the loess strata. To study the structural response of the tunnel in loess region under local hydrodynamic environment, an experimental testing in 1g as well as a numerical simulation were performed, in which the achieved results were verified and were found to be in good agreement. …”
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  9. 729

    The Structural Defects and Optical Performance of Polarization-Maintaining Hollow-Core Photonic Bandgap fiber by Lidong Wang, Meisong Liao, Fei Yu, Liang Chen, Yazhou Wang, Dakun Wu, Tianxing Wang, Lili Hu, Weiqing Gao

    Published 2023-01-01
    “…According to analyzing the optical performance variation to structural deformation rate, we conducted that the diameter defect has the greatest impact on the fiber properties, while the core-side hole defect has the weakest impact. …”
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  10. 730
  11. 731
  12. 732
  13. 733

    Machine Learning Classification of First-Onset Drug-Naive MDD Using Structural MRI by Donghwa Kim, Pilsung Kang, Junhong Kim, Czang Yeob Kim, Jong-Ha Lee, Sangil Suh, Moon-Soo Lee

    Published 2019-01-01
    “…It is hard to differentiate adolescent Major Depressive Disorder (MDD) patients from healthy adolescent controls based on structural MRI research findings, as the clinical characteristics of the patient group are heterogeneous, and the neuroimaging study results are ambiguous. …”
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    Article
  14. 734

    The Influence of Hot Deformation on the Mechanical and Structural Properties of Mild Carbon Steel for Industrial Application by Mariana Pop, Ioana-Monica Sas-Boca, Dan Frunză, Adriana Neag

    Published 2025-07-01
    “…The aim of this work was to study the influence of temperature and strain rate on the formability and structure of C22 steel. This study was based on tensile and compression tests. …”
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  15. 735

    Impact of Variable Device Structural Changes on Particle Deposition Distribution in Multi-Rotor UAV by Jingang Han, Tongsheng Zhang, Lilian Liu, Guobin Wang, Cancan Song, Yubin Lan

    Published 2024-10-01
    “…The aim of this study was to investigate the effect of structural changes in variable fertilizer application devices on the distribution of particle deposition in UAVs. …”
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  16. 736

    Structural Deformation Style and Seismic Potential of the Maoyaba Fault, Southeastern Margin of the Tibet Plateau by Xianbing Zhang, Ning Zhong, Xiao Yu, Guifang Yang, Haibing Li

    Published 2025-04-01
    “…The likelihood of surface rupture earthquakes occurring in the near future is low; however, the expansion of the HGLF could induce moderate to strong earthquakes in the MYB area. The variation in the local tectonic stress field, which is influenced by the Litang–Batang V-shaped structure system and lithological differences, results in the formation of an extensional horsetail structure in the northwestern segment of the LTFZ. …”
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  17. 737

    Petrogenetic evidences in geodynamics and placement of Nordoz intrusive masses in Alborz-Azerbaijan structural zone by Shahryar Mahmoudi, Shiva Lavi, Shohreh Hassanpour, Amir Ali Tabakh Shabani, Mehran Yegane Far

    Published 2024-12-01
    “…The Oligocene Nordoz intrusive complex is located in the eastern region of Siehroud, within the East Azerbaijan province, and within the Alborz-Azerbaijan structural zone. The results of field studies have identified the presence of gabbro diorite, monzodiorite, monzonite, tonalite, granodiorite, and granite within the region. …”
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  18. 738

    Exploring the Structural Characteristics and Antioxidant Capacity of Pectins from <i>Adenophora tetraphylla</i> (Thunb.) Fisch. by Su Yan, Shuo Zhang, Yuxuan Liu, Hao Zang, Lihui Zhang, Duo Liu

    Published 2025-03-01
    “…Among the isolated pectins, WATP-A2b (22.5 kDa) and WATP-A3b (49.8 kDa) demonstrated significant variations in their structural domain organization, comprising different ratios of homogalacturonan, rhamnogalacturonan I, and rhamnogalacturonan II. …”
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  19. 739

    Variable tensile stiffness pneumatic actuators with adjustable stick-slip friction of soft-tooth structures by Yaqing Feng, Pengyuan Wang, Chenghao Wu

    Published 2025-05-01
    “…The resistance is changed through the stick–slip friction of soft structure during tooth structures engagement and sliding, and the tensile stiffness of the soft actuator can be changed by 7.2 times with air pressure increased by only 20 kPa. …”
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  20. 740

    Internal Force Analysis of Circular Shaft Structures Considering Spatial Arching and Interlayer Shear Effects by Dongsheng Li, Zhibing Xu, Long Yu, Xu Zhang, Yang Liu

    Published 2025-06-01
    “…To accurately investigate the stress and deformation behavior of support structures during mechanical shaft construction, this study proposes an analytical method for active earth pressure calculation based on limit equilibrium theory, incorporating both the radial variation of the circumferential stress coefficient and the spatial arching effect. …”
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