Search Results - modified method of variable separation*

A modified method of variable separation for the problem of TE wave diffraction on a diffraction grating with two-layer lines in the period

Authors: Yu. G. Smirnov V. Yu. Martynova

Source: Учёные записки Казанского университета: Серия Физико-математические науки, Vol 167, Iss 3, Pp 531-546 (2025)

Subject Terms: diffraction grating, modified method of variable separation, electromagnetic te wave, diffraction efficiency, Mathematics, QA1-939

File Description: electronic resource

Relation: https://uzakufismat.elpub.ru/jour/article/view/227; https://doaj.org/toc/2541-7746; https://doaj.org/toc/2500-2198

Access URL: https://doaj.org/article/4fc3f84554b74b7c9898d0485966bf6a

Study of diffraction efficiency of diffraction gratings by the modified method of variables separation

Authors: Yu.G. Smirnov V.Yu. Martynova M.A. Moskaleva et al.

Source: Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2022)

Subject Terms: diffraction gratings, modified method of separation of variables, electromagnetic te-waves, diffraction efficiency, Physics, QC1-999, Mathematics, QA1-939

File Description: electronic resource

Relation: https://doaj.org/toc/2072-3040

Access URL: https://doaj.org/article/0d847c1c472a42f69f15eb9d16d223aa

A modified method for separating variables in the diffraction problem of TM-polarized wave on diffraction grating

Authors: Yuriy G. Smirnov

Source: Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 1 (2023)

Subject Terms: diffraction gratings, modified method of separation of variables, electromagnetic tm-waves, differential equations, Physics, QC1-999, Mathematics, QA1-939

File Description: electronic resource

Relation: https://doaj.org/toc/2072-3040

Access URL: https://doaj.org/article/802d6c14a2a945f69f28bd58467d3b73

A modified fractional Landweber method for a backward problem for the inhomogeneous time-fractional diffusion equation in a cylinder.

Authors: Yang, Shuping Xiong, Xiangtuan Han, Yaozong

Source: International Journal of Computer Mathematics. Nov2020, Vol. 97 Issue 11, p2375-2393. 19p.

Subject Terms: Heat equation, Regularization parameter, Separation of variables

Some Remarks on the Riccati Equation Expansion Method for Variable Separation of Nonlinear Models.

Authors: Zhang, Yu-Peng Dai, Chao-Qing

Source: Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences. Oct2015, Vol. 70 Issue 10, p835-842. 8p.

Subject Terms: *RICCATI equation, *KORTEWEG-de Vries equation, *MATHEMATICAL variables, *NONLINEAR statistical models, *ARBITRARY constants

Optimization of parameters of multilayer diffraction gratings using needle variations

Authors: V.Yu. Martynova Yu.G. Smirnov A.V. Tikhonravov

Source: Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2022)

Subject Terms: diffraction gratings, modified method of separation of variables, electromagnetic te-waves, diffraction efficiency, optimization, needle variations, Physics, QC1-999, Mathematics, QA1-939

File Description: electronic resource

Relation: https://doaj.org/toc/2072-3040

Access URL: https://doaj.org/article/b345d9861b9b4bcf95d74e7df1ac6884

ON A METHOD FOR SOLVING THE PROBLEM OF ELECTROMAGNETIC WAVE DIFFRACTION ON A DIFFRACTION GRATING

Authors: E. V. Gusarova Yu. G. Smirnov A. A. Tsupak

Source: Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 3 (2020)

Subject Terms: electromagnetic waves, diffraction gratings, variable separation method, Physics, QC1-999, Mathematics, QA1-939

File Description: electronic resource

Relation: https://doaj.org/toc/2072-3040

Access URL: https://doaj.org/article/64b1939903d14febacd036c636c4a98b

Preliminary examination of oil bonding at sand surfaces and its influence on hot water separation

Contributors: Miller, J

Source: Conference: Eastern oil shale symposium, oil shale, tar sands, heavy oil,Lexington, KY (United States),13-15 Nov 1991; Other Information: PBD: [1991]

File Description: Medium: ED; Size: 8 p.

Access URL: http://www.osti.gov/scitech/servlets/purl/10143017

Study on the effect of humidity on formaldehyde emission parameters of wood-based panels.

Authors: Chen, Jiani Zheng, Xiaohong Song, Chenxue et al.

Source: Indoor & Built Environment; Jul2024, Vol. 33 Issue 6, p1087-1099, 13p

Subject Terms: FORMALDEHYDE, HUMIDITY, SEPARATION of variables, INDOOR air pollution, UREA-formaldehyde resins, VOLATILE organic compounds

An efficient and accurate Fourier pseudo-spectral method for the nonlinear Schrödinger equation with wave operator.

Authors: Li, Shan Wang, Tingchun Wang, Jialing et al.

Source: International Journal of Computer Mathematics. Feb2021, Vol. 98 Issue 2, p340-356. 17p.

Subject Terms: Nonlinear wave equations, Nonlinear Schrödinger equation, Separation of variables, Operator equations, Schrödinger equation, Numerical analysis, Pseudospectrum, Fast Fourier transforms

A volume-of-fluid method for variable-density, two-phase flows at supercritical pressure.

Authors: Poblador-Ibanez, Jordi Sirignano, William A.

Source: Physics of Fluids; May2022, Vol. 34 Issue 5, p1-39, 39p

Subject Terms: LOCAL thermodynamic equilibrium, FAST Fourier transforms, CONSERVATION of mass, TWO-phase flow, FLOW instability, SEPARATION of variables, LIQUEFIED gases

Improvement of the properties of zeolites for application in the nitrogen and oxygen separation process and in acid catalysis

Authors: Salla Cabau, Isabel

Contributors: University/Department: Universitat Rovira i Virgili. Departament de Química Física i Inorgànica

Thesis Advisors: Salagre Carnero, Pilar, Cesteros Fernández, Yolanda

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: separació catàlisis, adsorció, zeolites

File Description: application/pdf

Access URL: http://www.tdx.cat/TDX-0124107-141617
http://hdl.handle.net/10803/9079

Simultaneous Separation and Determination of Nine Active Ingredients in Sanyetangzhiqing by Cyclodextrin-Modified Micellar Electrokinetic Capillary Electrophoresis-Diode Array Detector.

Authors: Wang, Shanshan Zhou, Rui Du, Kunze et al.

Source: Journal of Analytical Methods in Chemistry. 7/12/2023, p1-11. 11p.

Subject Terms: *QUALITY control, MICELLAR electrokinetic chromatography, CHLOROGENIC acid, ANTILIPEMIC agents, DETECTORS, PHENOLIC acids

Tool Wear State Identification Method with Variable Cutting Parameters Based on Multi-Source Unsupervised Domain Adaptation.

Authors: Cai, Zhigang Li, Wangyang Song, Jianxin et al.

Source: Sensors (14248220); Mar2025, Vol. 25 Issue 6, p1742, 26p

Subject Terms: TRANSFORMER models, LEARNING strategies, DATA distribution, MACHINING, DETECTORS

A Surface-Enabled Computational Homogenization Method for Variable-Density Polymer Lattice Metastructures.

Authors: Zhang, Aofei Li, Shuo Ling, Ling et al.

Source: Polymers (20734360); Mar2025, Vol. 17 Issue 6, p769, 29p

Subject Terms: DISCOVERY (Law), PREDICTION models, DATABASES, BEHAVIORAL assessment, COMPUTER simulation

Effects on Recovery of Children of Intravenous Formulation of Fentanyl Citrate and Midazolam Orally for Premedication

Contributors: Ahmed Shehab, MD, lecturer Of Anaesthesia and Surgical intensive care

Source: Effects on Recovery of Children Undergoing Elective Surgery: Comparison of Intravenous Formulation of Fentanyl Citrate and Midazolam Administered Orally for Premedication
Bergendahl H, Lonnqvist PA, Eksborg S. Clonidine in paediatric anaesthesia: review of the literature and comparison with benzodiazepines for premedication. Acta Anaesthesiol Scand. 2006 Feb;50(2):135-43. doi: 10.1111/j.1399-6576.2006.00940.x.

Spatially Homogeneous Models Stäckel Spaces of Type (2.1).

Authors: Osetrin, E. K. Osetrin, K. E. Filippov, A. E.

Source: Russian Physics Journal; Jul2020, Vol. 63 Issue 3, p410-419, 10p

Subject Terms: EQUATIONS of motion, SEPARATION of variables, EIKONAL equation, PARTICLE motion, COSMOLOGICAL constant, EINSTEIN field equations, HAMILTON-Jacobi equations

Hydrodynamic performance of vertical cylindrical wave energy absorbers in front of a vertical wall.

Authors: Li, Ai-jun Liu, Yong Wang, Xin-yu

Source: Physics of Fluids; Apr2024, Vol. 36 Issue 4, p1-28, 28p

Subject Terms: WAVE energy, SEPARATION of variables, WAVE diffraction, POTENTIAL flow, STANDING waves, OFFSHORE structures, OCEAN waves

CoFe2O4-TiO2 a Lethal P-n heterogeneous catalyst for malachite green degradation under visible light and optimisation of parameters by the Taguchi Method.

Authors: Chandrika, K.C. Anantharamaiah, P. N. Hari Krishna, R. et al.

Source: Materials Technology. Sep2022, Vol. 37 Issue 11, p1877-1889. 13p.

Subject Terms: Malachite green, Taguchi methods, Heterogeneous catalysts, Visible spectra, Photocatalysis, Magnetic separation

Solutions to the complex shifted reverse space-time modified Korteweg-de Vries equation.

Authors: Wu, Lifei Zhang, Yi

Source: Physics Letters A. Feb2023, Vol. 460, pN.PAG-N.PAG. 1p.

Subject Terms: *KORTEWEG-de Vries equation, *SEPARATION of variables, *SPACETIME, *DARBOUX transformations, *ROGUE waves, *SOLITONS