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Formation of Super-Earths and Mini-Neptunes from Rings of Planetesimals
Published 2025-01-01Get full text
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463
Symmetric single-input eccentric tube robot (ETR) for manual use
Published 2024-09-01Get full text
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464
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465
A finite element method for growth in biological development
Published 2007-01-01“…We describe finite element simulations of limb growth based on Stokes flow models witha nonzero divergence representing growth due to nutrients in the early stages of limb bud development.We introduce a ''tissue pressure'' whose spatial derivatives yield the growth velocity in the limband our explicit time advancing algorithm for such tissue flows is described in detail.The limb boundary is approached by spline functions to compute the curvature andthe unit outward normal vector. …”
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466
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467
DETERMINATED SIGNALS MATHEMATICAL MODELS ON THE BASIS OF PRIMITIVE FUNCTION SYSTEMS
Published 2016-04-01“…Power, polynomial-cosinusoidal, exponential-multinomial, linear fractional, B-spline signal systems and restricted spectrum systems have been presented. …”
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468
Deformable Image Registration with Inclusion of Autodetected Homologous Tissue Features
Published 2012-01-01“…The associated feature point pairs are served as landmarks for the subsequent thin plate spline (TPS) interpolation. Several registration experiments using both digital phantom and clinical data demonstrate the accuracy and efficiency of the method. …”
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469
How to Chemigate Salinity-Stressed Plants with Hydrogen Peroxide to Increase Survival and Growth Rates
Published 2016-05-01Get full text
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470
A Leader-Follower Formation Control of Multi-UAVs via an Adaptive Hybrid Controller
Published 2021-01-01“…Moreover, the flying formations of the swarm were created by a B-spline curve based on a simple waypoint. The main contribution of this study is to present a model where the formation remains stable during the whole flight, errors are within the optimal range, and the time delays are manageable.…”
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471
A Modified Equation Approach to Selecting a Nonstandard Finite Difference Scheme Applied to the Regularized Long Wave Equation
Published 2014-01-01“…Comparisons to the single solitary wave solution show significantly better results, measured in the L2 and L∞ norms, when compared to results obtained using a Petrov-Galerkin finite element method and a splitted quadratic B-spline collocation method. The growth in the error when simulating the single solitary wave solution using the two “best” nonstandard numerical schemes is shown to be linear implying the nonstandard finite difference schemes are conservative. …”
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472
Nonlinear Analysis in a Nutrient-Algae-Zooplankton System with Sinking of Algae
Published 2014-01-01Get full text
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473
Research on Intelligent Vehicle Operation Risk Assessment and Early Warning Based on Predictive Risk Field
Published 2024-01-01“…The risk warning model is integrated to provide risk early warning, and the safety path for the ego vehicle is planned based on the interaction between the predictive risk field equipotential lines and the cubic spline curves. Experimental results demonstrate that the proposed vehicle operation risk assessment and early warning model is effective in providing early warnings and safe path references for the ego vehicle in complex urban road test scenarios.…”
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474
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Numerical Study of the Inverse Problem of Generalized Burgers–Fisher and Generalized Burgers–Huxley Equations
Published 2021-01-01“…In this paper, the boundary value inverse problem related to the generalized Burgers–Fisher and generalized Burgers–Huxley equations is solved numerically based on a spline approximation tool. B-splines with quasilinearization and Tikhonov regularization methods are used to obtain new numerical solutions to this problem. …”
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476
A Multiconstrained Ascent Guidance Method for Solid Rocket-Powered Launch Vehicles
Published 2016-01-01“…The closed-loop guidance method is inferred by different spline curves given the different terminal constraints. …”
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477
How to Chemigate Salinity-Stressed Plants with Hydrogen Peroxide to Increase Survival and Growth Rates
Published 2016-05-01Get full text
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478
Numerical Manifold Method for the Forced Vibration of Thin Plates during Bending
Published 2014-01-01“…A novel numerical manifold method was derived from the cubic B-spline basis function. The new interpolation function is characterized by high-order coordination at the boundary of a manifold element. …”
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479
A Dual-Thread Method for Time-Optimal Trajectory Planning in Joint Space Based on Improved NGA
Published 2020-01-01“…To solve the problem that the time-consuming optimization process of Genetic Algorithm (GA) can erode the expected time-saving brought by the algorithm, time-optimal trajectory planning based on cubic spline was used, after the modification to classical fitness sharing function of NGA, a dual-threaded method utilizing elite strategy characteristic was designed which was based on Niche Genetic Algorithm (NGA) with the fitness sharing technique. …”
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