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281
Application of Assur Rod Group Method in the Synthesis of Cam Linkage Mechanism
Published 2015-01-01“…The Assur rod group method is applied to synthesizes the cam linkage mechanism,including the determination of the cam contours,calculation of curvature radius and pressure angle of cam profile.The synthesis of cam linkage mechanism is obviously simplified by the proposed method.…”
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282
The Use of Transition Curves in Airport Runway Rapid Exit Taxiways (RETs)
Published 2024-01-01“…The proposed curves’ effectiveness was evaluated by analyzing the main geometric and kinematic variables trend, that is, curvature, transversal acceleration, lateral jerk, speed, travel time, longitudinal deceleration, and centrifugal force. …”
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283
Big Bang in dipole cosmology
Published 2025-01-01“…For positive (negative) shear we again find whimper (curvature) singularity near the BB. Moreover, when the tilt parameters have opposite signs, the shear can change sign from negative to positive in the course of evolution of the Universe. …”
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284
Design optimization of pangolin inspired composites for enhanced energy absorption
Published 2025-02-01“…Using Taguchi, we quantitatively investigated the effects of five factors: fiber type, curvature radius, number of composite plies, trapezoidal scale Y1, and trapezoidal scale Y2 on TAE and SAE. …”
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285
Near-Fault Ground Motion Impacts on High-Speed Rail Large-Span Continuous Girder Bridge considering Pile-Soil Interaction
Published 2022-01-01“…Based on the p-y model for simulating pile-soil interaction, the moment-curvature analysis program XTRACT is used to calculate the moment and curvature of bridge piers and pile foundation sections, and the finite element (FE) software is used to establish two nonlinear global bridge models under seismic effects in the high-intensity zone, one considering pile-soil interaction and one without considering pile-soil interaction. …”
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286
Research on Tooth Positioning and Mechanical Properties of Flexspline Tooth Rings with Harmonic Gear Clearance Assembly
Published 2022-12-01“…The size of non-contact area, and the internal forces and deformation of tooth ring is solved iteratively with Energy Method according to the displacement conditions on minor axis and the curvature condition at wrap angle and arc length relationship. …”
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287
Integral Method for Determining the Stress State of an Anisotropic Reinforced Concrete Shell
Published 2023-10-01“…A system of equations of the generalized semi-membrane (semi-bending) state of an arbitrary shell of zero curvature, which determines the accuracy of this approach, is solved. …”
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288
On CR-submanifolds of the six-dimensional sphere
Published 1995-01-01“…We prove that S6 does not admit compact proper CR-submanifolds with non-negative sectional curvature and integrable holomorphic distribution.…”
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289
Uniform Estimates for Damped Radon Transform on the Plane
Published 2013-01-01“…Uniform improving estimates of damped plane Radon transforms in Lebesgue and Lorentz spaces are studied under mild assumptions on the rotational curvature. The results generalize previously known estimates. …”
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290
Constraints on Primordial Black Holes from Neff: Scalar-induced Gravitational Waves as an Extra Radiation Component
Published 2025-01-01“…Taking into account primordial non-Gaussianity, we study the energy density spectrum of SIGWs up to the third order and use the current observational data of N _eff to constrain small-scale primordial curvature perturbations and the abundance of PBHs.…”
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291
Investigation on the Influence of Design Parameters of Streamline Flow Tubes on Pump Performance
Published 2021-01-01“…Therefore, three groups of VPPSFT with arc segments of different curvature radii were designed in this study, and the influence of curvature radius of arc segment on the pump performance was explored. …”
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292
An Adsorption Model Considering Fictitious Stress
Published 2024-12-01“…Furthermore, our investigation into how factors such as curvature fractal dimension, capillary fractal dimension, and fictitious stress influence gas adsorption capacity reveals several key findings. …”
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293
Keratorefractive Effect of High Intensity Focused Ultrasound Keratoplasty on Rabbit Eyes
Published 2016-01-01“…To evaluate high intensity focused ultrasound (HIFU) as an innovation and noninvasive technique to correct presbyopia by altering corneal curvature in the rabbit eye. Methods. Eighteen enucleated rabbit eyes were treated with a prototype HIFU keratoplasty. …”
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294
GIS-Based Landslide Susceptibility Mapping Using Information, Frequency Ratio, and Artificial Neural Network Methods in Qinghai Province, Northwestern China
Published 2021-01-01“…Through field investigations, 100 landslide disaster locations in the study area were selected, and 11 influencing factors including elevation, slope, aspect, plane curvature, profile curvature, road distance, river distance, fault distance, stratum rock property, vegetation coverage index, and terrain humidity index were selected as the influencing factors of landslide disaster based on GIS. …”
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295
Swirling Flow and Wall Shear: Evaluating the BioMimics 3D Helical Centerline Stent for the Femoropopliteal Segment
Published 2018-01-01“…Whereas conventional straight stents reduce arterial curvature and disturb blood flow, creating areas of low wall shear, where neointimal hyperplasia predominantly develops, the helical centerline geometry of the BioMimics 3D maintains or imparts arterial curvature, promotes laminar swirling blood flow, and elevates wall shear to protect against atherosclerosis and restenosis. …”
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296
The head position and cervical alignment in patients with Chiari malformation: A retrospective case–control study
Published 2024-12-01“…No significant differences were found in C7S and C2T angles between groups, suggesting similar cervical curvature. ROC analysis demonstrated high sensitivity and specificity of the angular measurements for diagnosing CM. …”
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297
Research on Robotic Polishing Process of Marble with Complex Curved Surface Based on Sol–Gel Flexible Tools
Published 2024-12-01“…By establishing a model that correlates the optimum polishing trajectory space with curvature for surfaces of different curvatures, the effective prediction of material removal profiles for robotic polishing of surfaces of different curvatures was achieved. …”
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298
Machine Learning Model for Gas–Liquid Interface Reconstruction in CFD Numerical Simulations
Published 2025-01-01“…., normal, location, and curvature). Accurate computation of the local interface curvature is essential for evaluation of the surface tension force at the interface. …”
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299
Vesicle-Like and 3D-Hexagonal Mesoporous SiO: Preparation and Laccase Adsorption Properties
Published 2015-12-01“…Precisely because of these factors, the pore of YNS-550 is characteristic of unique curvature, having stronger action with the lacease molecule than that between lacease molecule and YPS-550 with smaller pore curvature. …”
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300
Entropy Analysis of Carreau Nanofluid Flow in the Presence of Joule Heating and Viscous Dissipation Past Unsteady Stretching Cylinder
Published 2025-01-01“…The results of the study demonstrated that the entropy creation is initiated by an increase in the magnetic and curvature parameters, as well as the Eckert, Brinkman, and porosity parameters. …”
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