Showing 3,621 - 3,640 results of 53,535 for search '((unstructure OR (structures OR (structures OR structural))) OR structure) data', query time: 0.67s Refine Results
  1. 3621

    Backscattering of Ultrasonic Waves as the Basis of the Method of Control of Structure and Physicо-Mechanical Properties of Cast Irons by A. R. Baev, N. V. Levkovich, E. P. Babuk, M. V. Asadchaya

    Published 2023-10-01
    “…The subject of the present studies was such characteristics of structural noise as amplitude-temporal A(t) and as root mean square value of the amplitude of the ultrasonic waves backscattering field AN, compared with the data on ultrasonic velocity and strength or tensile strength of cast iron samples. …”
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  2. 3622
  3. 3623

    Broadband Antireflection Subwavelength Structures on Fused Silica Using Lower Temperatures Normal Atmosphere Thermal Dewetted Au Nanopatterns by Xin Ye, Jin Huang, Feng Geng, Laixi Sun, Hongjie Liu, Xiaodong Jiang, Weidong Wu, Xiaotao Zu, Wanguo Zheng

    Published 2016-01-01
    “…The antireflection (AR) performance and far-field transmittance, depending on the morphology and parameters of subwavelength structures (SWSs), have been investigated by a 3-D finite-difference time-domain (FDTD) method. …”
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  4. 3624

    A Novel Optical Frequency-Hopping Scheme Based on a Flexible Structure for Secure Optical Communications by De Chao Ban, Qing Chao Huang, Yin Fang Chen, Yi Chao Qi, Wei Chen, Ning Hua Zhu

    Published 2019-01-01
    “…In other words, one channel optical carrier carries different users’ data segments. A flexible structure was demonstrated and used in optical frequency-hopping system to simplify the structure and decrease the cost of the security system. …”
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    Article
  5. 3625

    Combined MR Volumetry and T2* Relaxometry Reveals the Olfactory System as an Iron-Dependent Structure Affected by Radiation by Njenga R. Kamau, Michelle R. Tamplin, Chu-Yu Lee, Eric D. Axelson, Isabella M. Grumbach, Michael S. Petronek

    Published 2025-04-01
    “…<b>Results:</b> Statistical analysis identified 301 altered regions with respect to regional volume and 85 regions with respect to T2* relaxation showing significant differences relative to the control group (<i>p</i> < 0.05). Further data refinement, including the consolidation of redundant, bi-lateral structures revealed 18 subregions with significant changes in both volume and T2*. …”
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    Article
  6. 3626

    A CART-Based Model for Analyzing the Shear Behaviors of Frozen–Thawed Silty Clay and Structure Interface by Fengpan Zhu, Bo Wang, Zhiqiang Liu

    Published 2025-04-01
    “…The physical and mechanical properties of the soil–structure interface under the freeze–thaw condition are complex, making empirical shear strength models poorly applicable. …”
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    Article
  7. 3627

    65 ABCD Study Child Opportunity Index Factor Structure: The association between environment and cognitive performance by Julia Harris, Bo A. Malames, Hailley R. Moore, Caitlin A Neslon, Krista M. Lisdahl

    Published 2025-04-01
    “…Methods/Study Population: This study used ABCD (n  =  9,543) linked external data, cognitive performance, and self-reported data from youth (ages 9–10) and their caregivers. …”
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    Article
  8. 3628

    Structure and Operations of MicroVeg Vegetable Operational Innovation Platforms for Sustainable Vegetable Production in Southwestern Nigeria by Aanuoluwapo Opayinka, Akinloye Farinde, Solomon Adesoji, Clement Adebooye, Durodoluwa Oyedele

    Published 2024-10-01
    “… This study focused on the structure and operations of the MicroVeg Vegetable Operational Innovation Platforms (IPs) in Southwestern Nigeria. …”
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    Article
  9. 3629

    Fast prediction method for fatigue life of pump truck boom structure based on ensemble learning model by DONG Qing, SU Youcheng, XU Gening, SHE Lingjuan, CHANG Yibin

    Published 2025-01-01
    “…ObjectiveTo rapidly and accurately assess the fatigue life of in-service concrete pump truck boom structures, a fatigue life prediction method based on an ensemble learning model is proposed, utilizing monitoring data and machine learning techniques.MethodsFirstly, a concrete pump truck information acquisition system was employed to obtain functional and performance characteristics during the operational phase of the pump truck. …”
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  10. 3630

    Factor structure and measurement invariance of exercise self-efficacy scale among secondary school students in China by Ling Qin, Walter King Yan Ho, Selina Khoo

    Published 2025-02-01
    “…Data from 856 students (age: M = 13.80, SD = 0.94) were analysed using exploratory and confirmatory factor analyses to identify the best-fitting factor structure. …”
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  11. 3631

    Finite Element Model Fractional Steps Updating Strategy for Spatial Lattice Structures Based on Generalized Regression Neural Network by Caiwei Liu, Jijun Miao, Changyong Zhao

    Published 2016-01-01
    “…Based on the measured modal data, the presented method was verified. The results show that this model updating technique can reflect the true dynamic characters of the shell structure better. …”
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  12. 3632
  13. 3633

    The Effects of SARS CoV-2 nsp13 Mutations on the Structure and Stability of Helicase in Chinese Isolates by Ekrem Akbulut

    Published 2022-06-01
    “…In this study, changes in the protein structure caused by SARS CoV-2 nsp13 mutations were investigated to contribute to the development of effective antiviral drugs. …”
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  14. 3634
  15. 3635

    Using Corrosion Health Monitoring Systems to Detect Corrosion: Real-Time Monitoring to Maintain the Integrity of the Structure by Ciężak Patryk, Vazquez-Gomez Loudres, Mattarozzi Luca, Benedetti Alessandro, Kotowski Jakub, Synaszko Piotr, Dragan Krzysztof, Głowacki Dominik, Wawryn Konrad

    Published 2024-11-01
    “…This study investigates the use of Corrosion Health Monitoring (CHM) systems to detect and manage corrosion in aviation environments, with a specific focus on enclosed areas within aircraft structures. Corrosion poses significant risks to airport facilities and aircraft, and CHM systems offer real-time monitoring and data-driven approaches for proactive corrosion management. …”
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    Article
  16. 3636

    ISSR-Based Population Genetic Structure of Some Turkish Honeybee (Apis mellifera L., 1758) Populations by Ömer Yüzer, Ersin Doğaç, Alper Tonguç, Evin Günenç

    Published 2023-08-01
    “…Herein, we preferred ISSR markers to identify the genetic structure of honey bees. The genetic diversity of honey bees has been found to be lower compared to previous studies. …”
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    Article
  17. 3637

    Delineation of 3D crustal seismic structures beneath western Tibet and the Himalayan range using local earthquake tomography by Arghya Kusum Dey, Niptika Jana, Rahul Biswas

    Published 2025-06-01
    “… This study aims to image the crustal structure of the western Tibetan Plateau by analyzing the velocity structure of elastic waves, using manually picked P- and S-wave arrival times from waveform data recorded by temporarily installed seismic stations in western Tibet. …”
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  18. 3638

    Population structure and genetic diversity of leatherback turtles (Dermochelys coriacea) in Bird’s Head Seascape, Papua-Indonesia by Abdul Hamid A. Toha, Deasy Lontoh, Fitryanti Pakiding, Andhika P. Prasetyo, Lisa M. Komoroske, Peter H. Dutton

    Published 2025-05-01
    “…In this study, we quantified the genetic diversity, connectivity and structure for leatherback populations in the BHS by integrating nuclear and mitochondrial (mt) DNA data. …”
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    Article
  19. 3639

    Impact of firm characteristics and ownership structure on firm efficiency: evidence from non-financial firms of Pakistan by Shafaat Muhammad Habib, Haroon Hussain, Mamdouh Abdulaziz Saleh Al-Faryan, Rana Yassir Hussain

    Published 2022-12-01
    “…Data related to firm efficiency, cash holdings, book-to-market ratio and negative book-to-market ratio was collected from Financial Statement Analysis published by SBP whereas data related to market capitalization and ownership structure (insider ownership, institutional ownership and concentration ownership) was collected from business recorder and published annual reports respectively. …”
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  20. 3640

    Frame Structure and Engineering Applications of the Multisource System Cloud Service Platform of Monitoring of the Soft Rock Tunnel by Fengnian Wang, Songyang Yin, Aipeng Guo, Zhicai Wang, Meng Mi, Gan Qi, Juan Ma, Haijiang Zhang

    Published 2021-01-01
    “…Throughout engineering construction, large deformation disasters in soft rock tunnels are encountered increasingly frequently. Therefore, structural health monitoring not only ensures accurate construction management but also provides a basis for dynamic adjustment of the support structure. …”
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