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Showing 1 - 20 results of 475 for search '(reflection OR selection) efficient equation', query time: 0.17s Refine Results
  1. 1

    Modeling the Diffraction Efficiency of Reflective-Type PQ-PMMA VBG Using Simplified Rate Equations by Bao-Jen Shih, Cuan-Wen Chen, Yu-Hua Hsieh, Te-Yuan Chung, Shiuan-Huei Lin

    Published 2018-01-01
    “…The simulation results suggest that an intermittent exposure method can promote the diffusion of PQ molecules and increase the final diffraction efficiency. A series of experiments validated our hypothesis that the diffraction efficiency of reflective-type PQ-PMMA VBG can be predicted.…”
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    Article
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    Selecting the Number of Clusters in Mixture Multigroup Structural Equation Modeling by Andres F. Perez Alonso, Jeroen K. Vermunt, Yves Rosseel, Kim De Roover

    Published 2025-03-01
    “…MMG-SEM requires the user to select the optimal number of clusters for the data at hand. …”
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    Article
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    Multitargets Orientation Technique Based on Reflection Characteristic Analysis Using an Inverse Diffraction Parabolic Equation by Qi Guo, Daozong Sun, Zhen Li, Shilei Lyu, Xiuyun Xue

    Published 2024-01-01
    “…In this article, the inverse diffraction parabolic equation (IDPE) model based on the finite difference method is proposed, which is first applied in the multiple nonradiation targets orientation technology. …”
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    An Efficient and Accurate Adaptive Time-Stepping Method for the Landau–Lifshitz Equation by Hyundong Kim, Soobin Kwak, Moumni Mohammed, Seungyoon Kang, Seokjun Ham, Junseok Kim

    Published 2024-12-01
    “…This article presents an efficient and accurate adaptive time-stepping finite difference method (FDM) for solving the Landau–Lifshitz (LL) equation, which is an important mathematical model in understanding magnetic materials and processes. …”
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    Article
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    Efficient simulation of plasma physics' time fractional modified Korteweg-de Vries equations. by N S Alharthi

    Published 2025-01-01
    “…In many science and engineering fields, integer-order differential equations are unable to provide a satisfactory explanation for a wide range of phenomena when compared to fractional-order differential equations. …”
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    Article
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    Effects of supplier selection and supplier monitoring on public procurement efficiency in Tanzania: a cost-reduction perspective by Ismail Abdi Changalima, Ismail Juma Ismail, Alban Dismas Mchopa

    Published 2024-03-01
    “…Purpose – This study aims to examine the role of supplier selection and supplier monitoring in public procurement efficiency in terms of cost reduction in Tanzania. …”
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    Optimizing linear/non-linear Volterra-type integro-differential equations with Runge–Kutta 2 and 4 for time efficiency by Martin Ndi Azese

    Published 2024-12-01
    “…A novel non-adaptative time-efficient (TE) numerical scheme based on the Runge–Kutta (RK) algorithm is devised for solving linear and non-linear Volterra-type integro-differential equations (VTIDE) characterized by a specific class of convolution memory, K(t,s)=aκ(t−s), where a,κ∈R. …”
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    Efficient Calculation of Propagation Coefficients in Anisotropic Media Through Transfer Matrix Method Based on Eigenvalue Analysis by Jiuyang Fan, Zhixiang Huang, Xiaoli Feng, Yuxian Zhang

    Published 2025-01-01
    “…Starting from the anisotropic Maxwell’s equations, the governing equation in matrix form is constructed from constitutive relations of the electromagnetic field. …”
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    Comparative analysis of selective gas adsorption on metal-organic frameworks: Cu–(abtc) vs. Cu–(hbtc) by Prudhviraj Medikonda

    Published 2025-01-01
    “…Model parameters were used to calculate the enthalpies of adsorption, and the Ideal Adsorbed Solution Theory was employed to predict the selectivity of binary mixtures. CO2 selectivity over N2 increased significantly with pressure, with higher CO2 selectivity observed for Cu–hbtc compared to Cu–abtc due to the stronger affinity of the functional group and framework–adsorbate interactions. …”
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    Establishment and Solution for a Mathematical Model of Multiple Diffuse Reflection by Zhenmin Zhu, Xin Xu, Xiang Sun, Xinyun Wang

    Published 2020-01-01
    “…The outline of the diffuse surface is obtained by solving equations numerically. With the use of the ray tracing software TracePro, simulation results show that the effect is generally the best and the uniformity and efficiency are significantly improved compared with other methods when the proportion between the radius of the target surface and the distance between the LED light source and the target surface is 1:4.…”
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    Rectangular Illumination Based on Diffuse Reflective Off-Axis Surface by Zhen-Min Zhu, Xiang Sun, Bo Peng

    Published 2017-01-01
    “…Diffuse reflective LED lighting system is widely used in many areas, while rectangular illumination is also widely used in various lighting fields because of its regular lighting shapes, but traditional diffuse reflection method can only produce circular spot. …”
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    Article