Showing 501 - 520 results of 806 for search '"curvature"', query time: 0.10s Refine Results
  1. 501

    Special N-dimensional charged anti-de-Sitter black holes in f(Q) gravitational theory by G.G.L. Nashed

    Published 2025-02-01
    “…Furthermore, we demonstrate that the curvature singularities of these solutions are less severe than those in charged general relativity solutions. …”
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  2. 502

    Acute Dilatation, Ischemia, and Necrosis of Stomach without Perforation by Manash Ranjan Sahoo, Anil T. Kumar, Sunil Jaiswal, Siba Narayan Bhujabal

    Published 2013-01-01
    “…Exploratory laparotomy revealed dilated stomach with patchy gangrene over lesser curvature and fundic area. About 4 litres of brownish fluid along with semisolid undigested food particles was sucked out (mainly undigested pieces of meat). …”
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  3. 503

    Coexistence of Primary GEJ Adenocarcinoma and Pedunculated Gastric Gastrointestinal Stromal Tumor by Aroub Alkaaki, Basma Abdulhadi, Murad Aljiffry, Mohammed Nassif, Haneen Al-Maghrabi, Ashraf A. Maghrabi

    Published 2018-01-01
    “…We report a 55-year-old gentleman presenting with a polyp at the GEJ and a synchronous, large, and pedunculated gastric mass at the greater curvature. Those were treated with a wedge resection of the gastric pedunculated mass with negative margins along with transgastric submucosal resection of the GEJ polyp. …”
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    Article
  4. 504

    Variable mode-mixity during fatigue cycles – crack tip parameters determined from displacement fields measured by digital image correlation by Michael Vormwald, Yigiter Hos, José L.F. Freire, Giancarlo L.G. Gonzáles, Jorge G. Díaz

    Published 2017-07-01
    “…For each specific specimen the crack path was observed in order to relate its curvature – both kinks and continuously developing warped cracks – with the variations of the displacement field and associated stress intensity factors.…”
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  5. 505

    Regular black holes from Kiselev anisotropic fluid by L. C. N. Santos

    Published 2024-12-01
    “…Our analysis confirms that the curvature invariants associated with the regular black holes remain finite at the origin, indicating the absence of singularities. …”
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    Article
  6. 506

    Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study by Ting-jin Liu, Liang-yi Cai, Qiang Liao, Yu-bing Yang

    Published 2021-01-01
    “…The threshold of the longitudinal curvature radius is determined to be 18000 m. Finally, the evolution trends of the stress and deformation rates of HDPE conduits are recommended for the monitoring indexes and control standards of electrical duct banks.…”
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  7. 507

    High Accuracy 2D-DOA Estimation for Conformal Array Using PARAFAC by Liangtian Wan, Weijian Si, Lutao Liu, Zuoxi Tian, Naixing Feng

    Published 2014-01-01
    “…Due to the polarization diversity (PD) of element patterns caused by the varying curvature of the conformal carrier, the conventional direction-of-arrival (DOA) estimation algorithms could not be applied to the conformal array. …”
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  8. 508

    Analysis of Inherent Characteristics of Robot Joint Transmission System by Mo Shuai, Hu Xiaosong, Yang Zhenning, Feng Zhiyou, Li Xu, Zhou Changpeng, Huang Yunsheng

    Published 2022-10-01
    “…The results show that for the modal energy of the system, the total strain energy is the largest at the 15th natural frequency, the overall deformation of the system is the largest, the total kinetic energy is the largest at the 24th natural frequency, and the vibration of the system is the most intense at this natural frequency; the influence of system parameters on natural frequency is mainly reflected in that higher-order natural frequency is obviously affected; affected by the change of system stiffness, some natural frequency trajectory curves gradually approach, and will quickly separate with large curvature near a certain point, resulting in modal transition. …”
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  9. 509

    Surface Plasmon Singularities by Gabriel Martínez-Niconoff, P. Martinez-Vara, G. Diaz-Gonzalez, J. Silva-Barranco, A. Carbajal-Domínguez

    Published 2012-01-01
    “…In both cases the electromagnetic field has a slit-shaped curve as a boundary condition, and the singularities correspond to a shock wave that is a consequence of the curvature of the slit curve. As prototypes, we generate singularities that correspond to fold and cusped regions. …”
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  10. 510

    Spinning bodies in general relativity from bosonic worldline oscillators by Kays Haddad, Gustav Uhre Jakobsen, Gustav Mogull, Jan Plefka

    Published 2025-02-01
    “…Higher-spin Hamiltonians are classified to linear and quadratic order in curvature. Finally, perturbative computations at 1PM order for arbitrary powers and orientations of spin and at 2PM up to quartic spin order are performed, recovering results from the literature.…”
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  11. 511

    A Study on the Negative Slope Mechanism of the Friction Torque Based on Viscoelastic Side Contact Model of Asperity by Li Jie, Chen Cheng, Wang Zhiyong

    Published 2023-01-01
    “…The results show that when the axial pressure and the asperity dimensionless radius of curvature are reduced, the minimum value of the frictional torque variation rate (d<italic>T<sub>f </sub></italic>/d<italic>n</italic>) will increase and the amount of the frictional torque variation will decrease, which is beneficial to reduce the wear of friction pairs. …”
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  12. 512

    Observed Steep and Shallow Spectra, Narrow and Broadband Spectra, Multifrequency Simultaneous Spectra, and Statistical Fringe Spectra in Fast Radio Bursts: Various Faces of Intrins... by Shu-Qing Zhong, Wen-Jin Xie, Jia-Hong Gu

    Published 2025-01-01
    “…Through analysis, modelings, and simulations, we show that if the spectra of fast radio bursts (FRBs) are intrinsically quasi-periodic, and likely produced by coherent curvature radiation from quasi-periodic structured bunches, then the observed steep and shallow spectra, narrow and broadband spectra, multifrequency simultaneous spectra, as well as possible statistical fringe spectra in FRBs, could all be various manifestations of them. …”
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  13. 513

    Automatic 4-mirrors system for alignment of high-power laser radiation by V.V. Toporovsky, A.G. Alexandrov, I.V. Galaktionov, A.L. Rukosuev, A.V. Kudryashov

    Published 2024-02-01
    “…The pointing accuracy was analyzed on the far-field sensor and equaled 15.34 µrad along the X axis and 12.03 µrad along the Y axis. The curvature of the wavefront was 0.06 µm.…”
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  14. 514

    Geometrical deformation of brane matter field within f(R, Q, P) gravity by Fernando M. Belchior, Roberto V. Maluf, Albert Yu. Petrov, Paulo J. Porfírio

    Published 2024-12-01
    “…In this work, we investigate a codimension-one thick brane within the framework of f(R, Q, P) gravity, where R represents the curvature scalar, while $$Q=R_{\mu \nu }R^{\mu \nu }$$ Q = R μ ν R μ ν and $$P=R_{\mu \nu \alpha \beta }R^{\mu \nu \alpha \beta }$$ P = R μ ν α β R μ ν α β are quadratic geometric invariants. …”
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  15. 515

    The Mask of Odd Points n-Ary Interpolating Subdivision Scheme by Ghulam Mustafa, Jiansong Deng, Pakeeza Ashraf, Najma Abdul Rehman

    Published 2012-01-01
    “…Furthermore, we present brief comparison of total absolute curvature of subdivision schemes having different arity with different complexity. …”
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  16. 516

    Design Method for Twisting and Reducing Tooth Surfaces of Herringbone Gears for Form Grinding by Zhang Xin, Liu Xinrong, Wang Huipeng

    Published 2024-03-01
    “…According to the meshing coordinate system of the shaping and grinding herringbone gear space, the contact line at multiple positions of the standard gear tooth surface, tooth surface twisting and tooth surface anti-twisting is solved, and the reverse distortion model of the tooth surface of the herringbone gear is established by calculating the curvature of the tooth surface method and the amount of spiral modification. …”
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  17. 517

    Metachronous Liver Metastasis from Alpha-Fetoprotein-Producing Gastric Cancer Successfully Treated with Capecitabine/Oxaliplatin Combination Chemotherapy by Soichi Furukawa, Takashi Kobayashi, Saori Shiono, Shuta Nishinakagawa

    Published 2022-01-01
    “…A 73-year-old man was referred for the surgical treatment of a type 2 gastric tumor that extended from the greater curvature of the gastric corpus to the pylorus. As no remote metastases were detected, the patient underwent open total gastrectomy with lymphadenectomy and Roux-en-Y reconstruction. …”
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  18. 518

    Simulation of Particle-Fluid Interaction in Fractal Fractures Based on the Immersed Boundary-Lattice Boltzmann Method by Shenggui Liu, Songlei Tang, Jinkuang Huang, Mindong Lv, Yingjun Li

    Published 2020-01-01
    “…Increasing fracture fractal dimension surges the curvature of the fluid channel, but permeability has a negative exponential correlation to fractal dimension. …”
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  19. 519

    Experimental Study and Low Temperature Friction Characteristic of Angular Contact Ball Bearing by Qiu Shengdong

    Published 2018-01-01
    “…Then the friction torque calculation model of the existing bearing is cited,and the friction torque of the bearing is calculated with the change of speed,preload,the radius of curvature and the temperature of the inner ring. Analysis of the trend of bearing friction torque under low temperature,dynamic pressure bearing friction torque for the friction torque of the80% fluid bearing at low temperature,low temperature and friction properties of lubricating grease viscosity coefficient of bearing the greatest impact,under the condition of low temperature bearing due to friction torque caused by the decrease of elastic hysteresis. …”
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  20. 520

    Numerical Simulation of Surface Movement and Deformation Caused by Underground Mining with Complex Stratigraphic Boundary by Liang Wang, Chao He, Songjun Cui, Feifei Wang

    Published 2021-01-01
    “…The values of surface tilt, surface curvature, and surface horizontal deformation are less than the relevant regulations. …”
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