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  1. 681

    Enhanced bed shear stress and mixing in the tidal wake of an offshore wind turbine monopile by M. J. Austin, C. A. Unsworth, K. J. J. Van Landeghem, B. J. Lincoln

    Published 2025-01-01
    “…The wake is hypothesised to enhance seabed stress and water column turbulence mixing, thereby affecting seabed mobility, water column stratification and the transport of nutrients and oxygen and resulting in ecological impacts. We collect novel hydrodynamic data 40 <span class="inline-formula">m</span> from an OWF monopile over a spring–neap cycle and use high-frequency velocity measurements to quantify turbulence. …”
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  2. 682

    Semiclassical quantization of circular billiard in homogeneous magnetic field: Berry-Tabor approach by Gergely Palla, Gábor Vattay, József Cserti

    Published 2001-01-01
    “…The formula derived for the semiclassical density of states surprisingly coincides with the results of Creagh-Littlejohn theory despite the presence of canonically noninvariant terms.…”
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  3. 683

    Unconventional twinning assisted by pyramidal II stacking faults by Yang Hu, Dennis M. Kochmann

    Published 2025-01-01
    “…The commonly observed [Formula: see text] tension twins have been traditionally linked to 〈c + a〉 dislocation dissociation, which results in zonal dislocations with large Burgers vectors several times that of a single twinning dislocation and some residual dislocations. …”
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  4. 684

    Calculation of Accurate Meshing Backlash for Cycloidal-pin Wheel Drive in RV Reducer by Yang Jingzhao, Deng Xiaozhong, Li Tianxing, Wang Changlu, Wang Guofeng, Xing Chunrong

    Published 2018-01-01
    “…But there are some differences between the theoretical result and the actual value because the formula method did not consider the change of node position in the process of drive. …”
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  5. 685

    Research of the Robot Arm Gravity Compensation based on the Genetic Algorithm for Optimization of Neural Network by Yang Yuan, Cao Tong, Liu Da

    Published 2017-01-01
    “…By adopting a genetic algorithm for optimization of neural network,the gravity compensation for robot arm is researched.Firstly,through the basic knowledge of mechanics and D-H parameter to set up robot kinematics model,the theoretical computation formula of the gravity item of each joint torque in robot arm is got.Secondly,in the Solid Works simulation software,the simulation value of the gravity item in some certain pose got,thus the correctness of the theoretical computation formula is verified.Finally,the predicted value of the gravity item by genetic algorithm for optimization of neural network is obtained.Experimental results show that the predicted value of gravity items of robot arm learnt with this method is basically conforming with the theoretical value.Consequently,the work load of calculation for the gravity items of robot arm is effectively reduced.Furthermore,this method provide a possible way for the real-time control.…”
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  6. 686

    Effect of Material Changes on the Total Harmonic Distortions Caused by Aluminum Electrolytic Capacitors by Rene Kalbitz

    Published 2024-01-01
    “…The study includes selected capacitors with a capacitance of <inline-formula> <tex-math notation="LaTeX">$470~\mu \text{F}$ </tex-math></inline-formula> that are commercially available from eiSos W&#x00FC;rth Elektronik, as well as custom-made capacitors that are manufactured at the production site. …”
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  7. 687

    Fatigue Failure Analysis and Life Prediction of Elliptical Flexible Hinge by Jianjun Wu, Yian Jia, Jihui Luo

    Published 2019-08-01
    “…For the flexible hinge of compliant mechanism under the action of alternating symmetrical cyclic load, the stress concentration in the weakest area of the flexible hinge is easy to cause, resulting in the fatigue failure of the flexure hinge,taking the elliptical flexible hinges in compliant mechanisms as the research object, based on the theory of pure bending in material mechanics, the calculation formula of maximum concentrated stress at the notch of an elliptical flexure hinge is derived. …”
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  8. 688

    Identification of the boundary regime in the process of water-oil displacement from the reservoir by Gamzaev Khanlar

    Published 2024-12-01
    “…The difference approximation method was used to construct a difference analogue of the problem, implicit with respect to RP and explicit with respect to DPS. As a result, an explicit formula was obtained for determining the approximate RP value at the outlet boundary of the reservoir at a given time layer. …”
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  9. 689

    Towards tree Yang-Mills and Yang-Mills-scalar amplitudes with higher-derivative interactions by Kang Zhou, Chang Hu

    Published 2025-01-01
    “…We also conjecture a compact general formula for tree YM amplitudes with higher mass dimension, which allows us to generate them from ordinary YM amplitudes, and discuss the consistent factorizations of the conjectured formula.…”
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  10. 690

    Fermat point based connectivity restoration strategy in networks by Zhaobin ZHOU, Hongyan ZHANG, Xiaoding WANG

    Published 2019-10-01
    “…The connectivity restoration ensures the availability and reliability of a network.Both of geometrical features and topological structures should be taken into consideration at the same time,without which previous works can hardly restore the connectivity with the least number of relay nodes.The Fermat point,the triangulation and the minimum spanning tree are integrated with the design of an efficient restoration strategy.The theoretical analysis indicate that the approximation ratio of the proposed strategy is <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML"> <mfrac> <mrow> <mn>3</mn><msqrt> <mn>3</mn> </msqrt> </mrow> <mrow> <mn>4</mn><mo>−</mo><msqrt> <mn>3</mn> </msqrt> </mrow> </mfrac></math></inline-formula>and the complexity of which is O(n log n).Simulation results show that the proposed strategy outperforms other strategies in the number of relay nodes required.…”
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  11. 691

    Simple Matrix Equation (SME) Method for Pattern Synthesis of Conformal Antenna Array with Arbitrary Architecture by Jie Chen

    Published 2023-01-01
    “…First, a new pattern function formula for general conformal antenna array is derived. …”
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  12. 692

    Finite Element Calculation and Its Test Study of Flexible Pin Structure in the 3.X MW Wind Turbine Gearbox by Jinku Li, Wei Liu, Liangrong Li

    Published 2019-05-01
    “…The comparison results show that, the mean load factor of FE result is well matched to the practical situation, and this flexible pin has a perfect mean load performance.…”
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  13. 693

    Distinct effects of fine and coarse aerosols on microphysical processes of shallow-precipitation systems in summer over southern China by F. Chen, F. Chen, Y. Yang, L. Yu, Y. Li, W. Liu, Y. Liu, Y. Liu, S. Lolli

    Published 2025-02-01
    “…In contrast, during fine-aerosol-polluted conditions, shallow-precipitation clouds develop a deeper median STH of <span class="inline-formula">∼3.7</span> km with lower surface RR characterized by a low concentration of small raindrops, resulting from increased breakup processes (33.1 %) and reduced collision–coalescence processes (69.6 %). …”
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  14. 694

    Study on Temperature Field Massive Concrete in Early Age Based on Temperature Influence Factor by Min Zhang, Xianhua Yao, Junfeng Guan, Lielie Li

    Published 2020-01-01
    “…The results show that the theoretical results are in agreement with the measured temperature data, and the accuracy and applicability of the theoretical formula are proved.…”
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  15. 695

    Multi-Class Guided GAN for Remote-Sensing Image Synthesis Based on Semantic Labels by Zhenye Niu, Yuxia Li, Yushu Gong, Bowei Zhang, Yuan He, Jinglin Zhang, Mengyu Tian, Lei He

    Published 2025-01-01
    “…Additionally, we employ perceptual loss (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>L</mi></mrow><mrow><mi>V</mi><mi>G</mi><mi>G</mi></mrow></msub></mrow></semantics></math></inline-formula>) to assess perceptual similarity between generated and real images, and texture matching loss (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi>L</mi></mrow><mrow><mi>T</mi></mrow></msub></mrow></semantics></math></inline-formula>) to capture fine texture details. …”
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  16. 696

    Analysis and Experimental Study on Bearing Capacity of “All-Inclusive” Underpinning Joint by Kefeng Yue, Lei Yan

    Published 2020-01-01
    “…Finally, combining the theoretical and experimental results, a simplified calculation formula for the bearing capacity of the “all-inclusive” underpinning joint is improved. …”
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  17. 697

    Influence of ground control point reliability and distribution on UAV photogrammetric 3D mapping accuracy by Haonan Zhong, Yansong Duan, Pengjie Tao, Zuxun Zhang

    Published 2025-01-01
    “…It was also found that: when GCP reliability is high (RMSE within 0.1 m; density more than 10 GCP/[Formula: see text]), GCP number should prioritize over distribution, ie. accuracy improving as the number of GCPs increases; when GCP reliability is moderated (RMSE within 5 m; density around 5–10 GCP/[Formula: see text]), each of the uniform and distributed-edge distributions leads in different conditions; when GCP reliability is low (RMSE beyond 5 m; density less than 5 GCP/[Formula: see text]) it is favorable to use a distributed-edge and center distribution. …”
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  18. 698

    The change of the domain wall shape under the ion beam irradiation in lithium niobate by Elena Pashnina, Alla Slautina, Andrey Akhmatkhanov, Maria Chuvakova, Vladimir Shur

    Published 2025-04-01
    “…The dot irradiation of Z[Formula: see text] areas near the walls of lamellar domains leads to the formation of faceted or rounded hexagonal domains. …”
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  19. 699

    Hydration Heat of Nonshrinkage Concrete in Large-Diameter CFST Arch Ribs Cured at Low Temperatures by Tuo Shi, Nianchun Deng, Dong Pan, Shi Wang

    Published 2020-01-01
    “…The formula results were shown to be consistent with the experimental results for low-temperature conditions and large diameters. …”
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  20. 700

    Optimization of Churning Resistance of Hypoid Gear for Automobile Rear Axle by Yunxiao Shen, Jinli Xu, Jiwei Zhu, Wenchao Yang

    Published 2021-09-01
    “…Through Fluent simulation, the churning resistance before and after improvement rear axle hypoid gear is analyzed, and compared with the empirical formula, and verified by experiments. The results show that, results of simulation analysis and test are in good agreement, the empirical formula is in good agreement with the simulation result, but less than the experimental value, the proper structural improvement and addition of oil baffle can significantly reduce the rear axle churning resistance, as the speed increases, the resistance reduction value increases, the maximum drag reduction can reach 35.9%.…”
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