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821
M-ary position and three-valued VMAP modem
Published 2013-08-01“…In order to improve the spectral efficiency and energy efficiency of asymmetry,random-polar and very minimum amplitude and phase (ARP-VMAP) modulated signal simultaneously,an M-ary position and three-valued VMAP modulation was presented,and the receiver based on BP neural network or support vector machine demodulator was also designed.The contrast and analysis of the power spectrum,the −60 dB bandwidth,the spectral efficiency,and the demodulation performance among modulations as the ARP-VMAP,the three-valued VMAP,the M-ary position ARP-VMAP,and the M-ary position and three-valued VMAP,were carried out.Simulation results show that the new modem not only raise spectral efficiency,but also improve demodulation performance significantly.…”
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822
Expansion/Facemask Treatment of an Adult Class III Malocclusion
Published 2014-01-01“…A case report is presented of an adult class III malocclusion with a Class III skeletal pattern and maxillary retrusion. …”
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823
Photophysical characterization of chosen Ln(III) macromolecular complexes
Published 2005-01-01“…The formation of 1 : 1 complexes between 4,4′,4″,4‴-(porphine-5,10,15,20-tetrayl)-tetrakis benzoic acid, (TCPPH2) and La(III), Eu(III) and Yb(III) in methanolic solution, with the use of the spectrophotometric and spectrofluorimetric methods. …”
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824
Congenital Aplasia Cutis. A Series of Three Cases
Published 2021-03-01“…Congenital aplasia cutis is a rare and heterogeneous disorder, with an estimated incidence of 1-3 cases per 10,000 births. It can appear in isolation or as part of several polymalformative syndromes, observing autosomal recessive and autosomal dominant inheritance patterns. …”
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825
Remarks on Almost Cosymplectic 3-Manifolds with RICCI Operators
Published 2020-01-01“…Let M be an almost cosymplectic 3-h-a-manifold. In this paper, we prove that the Ricci operator of M is transversely Killing if and only if M is locally isometric to a product space of an open interval and a surface of constant Gauss curvature, or a unimodular Lie group equipped with a left invariant almost cosymplectic structure. …”
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826
Smooth imploding solutions for 3D compressible fluids
Published 2025-01-01“…Building upon the pioneering work of Merle, Raphaël, Rodnianski and Szeftel [67, 68, 69], we construct exact, smooth self-similar imploding solutions to the 3D isentropic compressible Euler equations for ideal gases for all adiabatic exponents $\gamma>1$ . …”
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827
Lax Triples for Integrable Surfaces in Three-Dimensional Space
Published 2016-01-01“…., Lax representations consisting of three linear equations) associated with families of surfaces immersed in three-dimensional Euclidean space E3. …”
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828
Evaluation of three remineralizing agents on surface roughness of enamel.
Published 2022-07-01“…In group 1 Specimens were treated with ortho kin toothpaste, in group 2 samples were immersed in 10 ml of 0.05% NaF mouthwash, every specimen in group 3 (control group) was immersed in 10ml artificial saliva and in group 4 specimens were treated with MI Paste Plus. …”
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829
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830
Accurate 3D Mapping Algorithm for Flexible Antennas
Published 2018-01-01“…Yet, in order to perform such tuning, an accurate 3D mapping of the main antenna is required. This paper presents a general method for performing an accurate 3D mapping of marked surfaces such as satellite dish antennas. …”
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831
Design and Workspace Optimization of 3-CPR Parallel Mechanism
Published 2017-01-01“…A new kind of orthogonal 3-DOF 3-CPR parallel mechanism which can realize three-dimensional translation is proposed. …”
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832
Scheme of extending elliptic curve method to three phases
Published 2018-12-01“…Elliptic curve method for integer factorization (ECM) is one of the most popular integer factorization algorithms,and it was firstly proposed by Lenstra in 1985.The original ECM contained just first phase.Since its invention,researches about the algorithm and implementation emerged up,among which the most important improvement is the extension to two phases proposed by Brent and Montgomery.This improvement tremendously strengthened ECM's capacity and efficiency.Elliptic curve method was extended to three phases.Extension method is kind of like “mixing together” the first phase and second phase.Compared to the best current two phases ECM,the new algorithm shows 2 advantages.First,under the same factorization parameters,the proposed algorithm improves the probability of finding out prime factor at the expense of negligible increasement of time.Second,when searching the same prime factor,the proposed algorithm can utilize smaller “smoothness parameters”.…”
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833
GSK-3β at the Intersection of Neuronal Plasticity and Neurodegeneration
Published 2019-01-01“…In neurons, Glycogen Synthase Kinase-3β (GSK-3β) has been shown to regulate various critical processes underlying structural and functional synaptic plasticity. …”
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834
Amorphization dependent recrystallisation of Sb2Te3
Published 2025-01-01Subjects: Get full text
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835
Trueness and Precision of Three-Dimensional Digitizing Intraoral Devices
Published 2018-01-01“…Materials and Methods. Three IOSs and one industrial scanner were used to scan one edentulous master cast containing five implant scan bodies and three spheres. …”
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837
Biharmonic Curves in a Strict Walker 3-Manifold
Published 2022-01-01“…In this paper, we study the geometry of biharmonic curves in a strict Walker 3-manifold and we obtain explicit parametric equations for biharmonic curves and time-like biharmonic curves, respectively. …”
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838
3D Wavelet Subbands Mixing for Image Denoising
Published 2008-01-01“…The method proposed in this paper is a fully automatic 3D blockwise version of the nonlocal (NL) means filter with wavelet subbands mixing. …”
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840
Ultrasound Promoted Synthesis of 3-Carboxycoumarins in Aqueous Media
Published 2006-01-01“…An efficient and green procedure has been developed for synthesis of 3-carboxycoumarins, the reaction can be carried out in water under ultrasound irradiation, avoiding addition of catalyst…”
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