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Journal articles on the topic 'Multicomponent Analysis Method'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Elbi, Mehmet Dogan, and Aydin Kizilkaya. "Multicomponent signal analysis: Interwoven Fourier decomposition method." Digital Signal Processing 104 (September 2020): 102771. http://dx.doi.org/10.1016/j.dsp.2020.102771.

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Abrashin, V. N., R. Čiegis, V. Pakeniene, and N. G. Zhadaeva. "STABILITY ANALYSIS OF SEIDEL TYPE MULTICOMPONENT ITERATIVE METHOD." Mathematical Modelling and Analysis 7, no. 1 (2002): 1–10. http://dx.doi.org/10.3846/13926292.2002.9637172.

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This paper deals with the stability analysis of multicomponent iterative methods for solving elliptic problems. They are based on a general splitting method, which decomposes a multidimensional parabolic problem into a system of one dimensional implicit problems. Error estimates in the L 2 norm are proved for the first method. For the stability analysis of Seidel type iterative method we use a spectral method. Two dimensional and three dimensional problems are investigated. Finally, we present results of numerical experiments. Our goal is to investigate the dependence of convergence rates of m

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Blanco, M., V. Cerdà, J. Coello, J. Gené, H. Iturriaga, and S. Maspoch. "Analysis of Multicomponent Spectra by the Simplex Method." Analytical Letters 25, no. 3 (1992): 543–60. http://dx.doi.org/10.1080/00032719208016114.

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Ainurofiq, Ahmad, and Syaiful Choiri. "Spectrophotometric analysis of desloratadine multicomponent crystal formulation: comparison of conventional methods and chemometric analysis." Molekul 15, no. 1 (2020): 1. http://dx.doi.org/10.20884/1.jm.2020.15.1.560.

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Multicomponent crystal (MCC) formulation consists of drug and co-former that spectrophotometrically has an interference each other. The aim of this research was to evaluate and develop the analytical method to obtain a fast, cheap, efficient, and adequate method to estimate desloratadine (DES) in MCC formulation using three different methods. Single wavelength calibration model was constructed at 290 nm, multiple component equations was obtained from 273 nm and 283 nm, and multivariate analysis consists of PLS and PCA, a chemo-metric based, assisted the model selection and model calibration. S

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Gržeta, B., S. Popović, and H. Toraya. "DOP-FIT Method for Quantitative Analysis of Multicomponent Powders." Materials Science Forum 228-231 (July 1996): 49–54. http://dx.doi.org/10.4028/www.scientific.net/msf.228-231.49.

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Shivani, Herma* Kiran Rathod Dr. Chintankumar Tank Denisha Meghnathi Himanshu Parmar Pritesh Odedara. "Unraveling Complexity: A Critical Review of UV Spectrophotometric Methods for Multicomponent Analysis." International Journal of Pharmaceutical Sciences 3, no. 6 (2025): 588–602. https://doi.org/10.5281/zenodo.15591790.

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Spectroscopy is a scientific method that analyses the interaction of matter with light or electromagnetic radiation. It can be divided into atomic, molecular, absorption, and electronic levels, with UV spectroscopy being the most widely used for analysing various compounds. UV spectrophotometric methods use the principle of additivity and absorbance to record and mathematically process absorption spectra of standard solutions and sample solutions. This process leads to electron excitation, causing transitions between energy levels. Multicomponent analysis is a growing challenge in modern chemi

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Quan Liu, G. Grant, and Tuan Vo-Dinh. "Investigation of Synchronous Fluorescence Method in Multicomponent Analysis in Tissue." IEEE Journal of Selected Topics in Quantum Electronics 16, no. 4 (2010): 927–40. http://dx.doi.org/10.1109/jstqe.2009.2031162.

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8

Pachori, Ram Bilas, and Pradip Sircar. "Analysis of multicomponent AM-FM signals using FB-DESA method." Digital Signal Processing 20, no. 1 (2010): 42–62. http://dx.doi.org/10.1016/j.dsp.2009.04.013.

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Tarhanen, Juhani, Jaakko Paasivirta, and Jaakko Soikkeli. "Multicomponent analysis method for PCDDs and PCDFs in biological samples." Chemosphere 15, no. 9-12 (1986): 2109–10. http://dx.doi.org/10.1016/0045-6535(86)90525-4.

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10

Cai, Haiyan, Qingtang Jiang, Lin Li, and Bruce W. Suter. "Analysis of adaptive short-time Fourier transform-based synchrosqueezing transform." Analysis and Applications 19, no. 01 (2020): 71–105. http://dx.doi.org/10.1142/s0219530520400047.

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Recently, the study of modeling a non-stationary signal as a superposition of amplitude and frequency-modulated Fourier-like oscillatory modes has been a very active research area. The synchrosqueezing transform (SST) is a powerful method for instantaneous frequency estimation and component separation of non-stationary multicomponent signals. The short-time Fourier transform-based SST (FSST) reassigns the frequency variable to sharpen the time-frequency representation and to separate the components of a multicomponent non-stationary signal. Very recently the FSST with a time-varying parameter,

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Diallo, Mamadou Sanou, Michail Kulesh, Matthias Holschneider, Kristina Kurennaya, and Frank Scherbaum. "Instantaneous polarization attributes based on an adaptive approximate covariance method." GEOPHYSICS 71, no. 5 (2006): V99—V104. http://dx.doi.org/10.1190/1.2227522.

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We introduce a method for computing instantaneous-polarization attributes from multicomponent signals. This is an improvement on the standard covariance method (SCM) because it does not depend on the window size used to compute the standard covariance matrix. We overcome the window-size problem by deriving an approximate analytical formula for the cross-energy matrix in which we automatically and adaptively determine the time window. The proposed method uses polarization analysis as applied to multicomponent seismic by waveform separation and filtering.

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Makkai, Géza, and János Erostyák. "Quick Multicomponent Analysis Based on Matrix Isopotential Synchronous Fluorimetry." ISRN Spectroscopy 2012 (December 18, 2012): 1–6. http://dx.doi.org/10.5402/2012/917879.

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Fast and precise methods are important in chemical and physical analysis, but determination of concentration of selected components in mixtures may have special difficulties. Excitation-emission matrices (EEM) are widely used in characterizing fluorescence emission. Based on these primary data, we present an improvement of matrix isopotential synchronous fluorimetry (MISF) and a method which ensures a very fast multicomponent analysis. MISF is generally combined with derivative technique (DMISF) to be able to eliminate the contribution of the background emission. Unfortunately, it is too sensi

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Manjón, José V., Neil A. Thacker, Juan J. Lull, Gracian Garcia-Martí, Luís Martí-Bonmatí, and Montserrat Robles. "Multicomponent MR Image Denoising." International Journal of Biomedical Imaging 2009 (2009): 1–10. http://dx.doi.org/10.1155/2009/756897.

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Magnetic Resonance images are normally corrupted by random noise from the measurement process complicating the automatic feature extraction and analysis of clinical data. It is because of this reason that denoising methods have been traditionally applied to improve MR image quality. Many of these methods use the information of a single image without taking into consideration the intrinsic multicomponent nature of MR images. In this paper we propose a new filter to reduce random noise in multicomponent MR images by spatially averaging similar pixels using information from all available image co

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Draganov, B. Kh, and A. A. Dolinsky. "DYNAMICS OF SPRAYING MULTICOMPONENT MATERIALS." Industrial Heat Engineering 39, no. 5 (2017): 32–36. http://dx.doi.org/10.31472/ihe.5.2017.05.

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Bases cutting multicomponent materials. The analysis and calculation of cutting based on the theory stage .The mathematical model and calculation method set out spray dynamics of multicomponent materials .

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15

Zagorodny, V. V., and V. I. Karmanov. "Experimental XRF Calculation Method with Correction for a Polydisperse Material Particle Size." Advances in X-ray Analysis 35, B (1991): 1055–61. http://dx.doi.org/10.1154/s037603080001329x.

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AbstractA new experimental calculation method for polydisperse (i.e. heterogeneous) multicomponent material analysis has been developed using the dependence of element fluorescence intensity on the particle size and its distribution in the specimen. It is shown that correction of the influence of matrix particle size is possible using this experimental calculation method. For its application, the information on particle size distribution for each of the components is sufficient. Sample preparation includes only the pelleting of specimens under standard conditions. The efficiency of the method

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16

Syamdini, C. F. S., I. K. Muthiah, and A. Ainurofiq. "Validation of UV spectrophotometric method for ketoprofen multicomponent crystals with malic acid and tartaric acid." Journal of Physics: Conference Series 2190, no. 1 (2022): 012034. http://dx.doi.org/10.1088/1742-6596/2190/1/012034.

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Abstract These multicomponent crystals are formed by two chemical substances, between ketoprofen and their co-formers, which are malic acid and tartaric acid. Analysis of multicomponent crystals showed a possibility of interference between constituents. To determine interference between pure drugs and their co-formers, a validated, fast, easy, efficient, and adequate analysis method is required. This study aims to evaluate and develop an analytical method validation that is accurate, specific, and reproducible on ketoprofen multicomponent crystals using UV-Vis spectrophotometry. The study was

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Tian, Li, Yanming Wang, Zhenhua Yi, and Hui Qian. "A Parametric Study of Nonlinear Seismic Response Analysis of Transmission Line Structures." Scientific World Journal 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/271586.

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A parametric study of nonlinear seismic response analysis of transmission line structures subjected to earthquake loading is studied in this paper. The transmission lines are modeled by cable element which accounts for the nonlinearity of the cable based on a real project. Nonuniform ground motions are generated using a stochastic approach based on random vibration analysis. The effects of multicomponent ground motions, correlations among multicomponent ground motions, wave travel, coherency loss, and local site on the responses of the cables are investigated using nonlinear time history analy

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18

Donahue, Steven M., Chris W. Brown, and Robert J. Obremski. "Multicomponent Analysis Using Fourier Transform Infrared and UV Spectra." Applied Spectroscopy 42, no. 2 (1988): 353–59. http://dx.doi.org/10.1366/0003702884428176.

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Two- and three-component mixtures of methylated benzenes were analyzed with the use of both infrared and UV spectra. The spectra of known mixtures were Fourier transformed and coefficients from the transforms selected to form coordinates of vectors. The resulting vectors were subjected to factor analysis to obtain representations for multicomponent analysis. A total of eight data sets were analyzed by factor analysis after preprocessing by taking the Fourier transforms of the spectra. The eight data sets were also analyzed by the P-matrix method (inverse Beer's law) in the spectral domain afte

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19

Gemperline, Paul J., Stacey E. Boyette, and Kimberly Tyndall. "Background Correction in Multicomponent Spectroscopic Analysis Using Target Transformation Factor Analysis." Applied Spectroscopy 41, no. 3 (1987): 454–59. http://dx.doi.org/10.1366/0003702874449011.

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A principal components regression (PCR) is used to construct a calibration matrix for multicomponent spectroscopic analysis which corrects for background absorption due to variable concentrations of unknown species in a sample matrix. Mixed standards are used in the method, and spectra of the pure background components are not needed. The background correction capability of the method is demonstrated with the use of the UV spectra of aqueous standards prepared from cobalt (II) nitrate and nickel (II) nitrate. Known concentrations of chromium (III) nitrate were added to simulate a background wh

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20

Rathi, Monika, S. P. Ahrenkiel, J. J. Carapella, and M. W. Wanlass. "A Standards-Based Method for Compositional Analysis by Energy Dispersive X-Ray Spectrometry Using Multivariate Statistical Analysis: Application to Multicomponent Alloys." Microscopy and Microanalysis 19, no. 1 (2013): 66–72. http://dx.doi.org/10.1017/s1431927612013761.

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AbstractGiven an unknown multicomponent alloy, and a set of standard compounds or alloys of known composition, can one improve upon popular standards-based methods for energy dispersive X-ray (EDX) spectrometry to quantify the elemental composition of the unknown specimen? A method is presented here for determining elemental composition of alloys using transmission electron microscopy–based EDX with appropriate standards. The method begins with a discrete set of related reference standards of known composition, applies multivariate statistical analysis to those spectra, and evaluates the compo

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21

Umar, Salman, Rido Farnandi, Hulwa Salsabila, and Erizal Zaini. "Multicomponent Crystal of Trimethoprim and Citric Acid: Solid State Characterization and Dissolution Rate Studies." Open Access Macedonian Journal of Medical Sciences 10, A (2022): 141–45. http://dx.doi.org/10.3889/oamjms.2022.7920.

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BACKGROUND: Trimethoprim is a broad spectrum antimicrobial agent with low solubility in water which causes low bioavailability in systemic circulation. AIM: The purpose of this study was to prepare multicomponent crystals of trimethoprim and citric acid to increase the solubility and dissolution rate of trimethoprim. MATERIALS AND METHODS: Multicomponent crystals were prepared by solvent evaporation method. Characterizations of multicomponent crystalline solid phase properties were carried out by powder X-ray diffraction (PXRD) analysis, differential scanning calorimetry (DSC), FT-

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22

Monfre, Stephen L., and Steven D. Brown. "Quantitative Fourier-Domain Analysis. Part II: Determination of Boundary Conditions." Applied Spectroscopy 46, no. 11 (1992): 1711–18. http://dx.doi.org/10.1366/0003702924926943.

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A new approach for determining the boundary conditions of a Fourier-domain data set prior to performing quantitative multicomponent analysis has been developed. Processing boundary conditions were determined by calculating the condition number of the calibration matrix which contains the models used to describe the chemical system being studied. Once the boundary conditions for the Fourier-domain data set were determined, the Kalman filter was used to estimate the concentration of individual components in a multicomponent sample. Synthetic data were first analyzed to determine both the feasibi

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23

Fitriani, Lili, Clara Alverina Simbolon, and Erizal Zaini. "Preparation and Characterization of Multicomponent Crystal Piperine-Caffeine." Jurnal Sains Farmasi & Klinis 10, no. 3 (2023): 353. http://dx.doi.org/10.25077/jsfk.10.3.353-358.2023.

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Piperine (C17H19NO3) belongs to the alkaloid group mainly found in the Piperaceae family, especially in black pepper (Piper nigrum L.). Piperine is practically insoluble in water. This study aims to improve the solubility of piperine by preparing it into a multicomponent crystal using caffeine as a coformer. The formation of piperine-caffeine multicomponent was prepared by solvent evaporation and solvent drop grinding. Each sample was characterized using Powder X-ray diffraction (XRD), Differential Scanning Calorimetry (DSC), and FT-IR spectroscopy. The solubility test was carried out by sonic

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Sytova, S. "MULTICOMPONENT ITERATIVE METHOD FOR SOLVING TWO‐DIMENSIONAL HEAT TRANSFER EQUATION ON MOVING GRIDS." Mathematical Modelling and Analysis 5, no. 1 (2000): 164–74. http://dx.doi.org/10.3846/13926292.2000.9637139.

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A multicomponent iterative method of domain decomposition on adaptive grids for solution of two‐dimensional heat transfer equation is proposed. The adaptive grid is constructed in curvilinear space where Cartesian grid is non‐stationary and depends on the solution behavior. In curvilinear space the initial two‐dimensional heat transfer equation is converted to the system of nonlinear parabolic equations with mixed derivatives, a source and convective transfer.

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Jamróz, Michał H., and Jan Cz Dobrowolski. "Autostandard Method: Quantitative IR Multicomponent Analysis for Films with Indeterminate Pathlength." Applied Spectroscopy 47, no. 8 (1993): 1209–13. http://dx.doi.org/10.1366/0003702934067838.

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The autostandard method is a new analytical method based on the relationship between intensities of certain bands and a number of specific oscillators in molecules. This method, complementary to the known ratio method, is used for a quick determination of the component contents of a chemical system under difficult experimental situations, when the layer thickness cannot be determined (e.g., polymer films and other solids of irregular surfaces, very viscous liquid films, mulls in nujol).

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Siesler, Heinz Wilhelm. "Near infrared reflectance spectroscopy (NIRS): A method of rational multicomponent analysis." Mikrochimica Acta 94, no. 1-6 (1988): 117–20. http://dx.doi.org/10.1007/bf01205851.

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Meng, Qing-Xin, Xiang-Yun Hu, He-Ping Pan, and Feng Zhou. "Numerical analysis of multicomponent responses of surface-hole transient electromagnetic method." Applied Geophysics 14, no. 1 (2017): 175–86. http://dx.doi.org/10.1007/s11770-017-0600-6.

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Nouri, Farah, and Nahla A. Alassaf. "Partial Least Squares Method for the Multicomponent Analysis of Antibacterial Mixture." Methods and Objects of Chemical Analysis 18, no. 2 (2023): 92–100. http://dx.doi.org/10.17721/moca.2023.92-100.

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This study's objective is to assess how well UV spectrophotometry can be used in conjunction with multivariate calibration based on partial least squares (PLS) regression for concurrent quantitative analysis of antibacterial mixture (Levofloxacin (LIV), Metronidazole (MET), Rifampicin (RIF) and Sulfamethoxazole (SUL)) in their artificial mixtures and pharmaceutical formulations. The experimental calibration and validation matrixes were created using 42 and 39 samples, respectively. The concentration range taken into account was 0-17 μg/mL for all components. The calibration standards' absorban

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Brown, Chris W., Elizabeth A. Bump, and Robert J. Obremski. "Accounting for Impurities in Spectroscopic Multicomponent Analysis Using Fourier Vectors." Applied Spectroscopy 40, no. 7 (1986): 1023–31. http://dx.doi.org/10.1366/0003702864507891.

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Two methods are presented for dealing with impurities in unknown samples subjected to spectroscopic analysis. In one method, a residual is calculated, and its relative length is used to “flag” that particular sample as a suspect. In the second method, a representation is found for the impurity from the analysis of standard samples without knowing its concentration. This representation is used to deal with the impurity in unknowns. All spectra are Fourier transformed, and terms of the transforms are selected as coordinates of vectors. The vectors for standard mixtures are factor analyzed to det

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Imankulov, Timur, Danil Lebedev, Bazargul Matkerim, Beimbet Daribayev, and Nurislam Kassymbek. "Numerical Simulation of Multiphase Multicomponent Flow in Porous Media: Efficiency Analysis of Newton-Based Method." Fluids 6, no. 10 (2021): 355. http://dx.doi.org/10.3390/fluids6100355.

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Newton’s method has been widely used in simulation multiphase, multicomponent flow in porous media. In addition, to solve systems of linear equations in such problems, the generalized minimal residual method (GMRES) is often used. This paper analyzed the one-dimensional problem of multicomponent fluid flow in a porous medium and solved the system of the algebraic equation with the Newton-GMRES method. We calculated the linear equations with the GMRES, the GMRES with restarts after every m steps—GMRES (m) and preconditioned with Incomplete Lower-Upper factorization, where the factors L and U ha

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Fitriani, Lili, Wahyu Alfath Firdaus, Wahyu Sidadang, et al. "Improved Solubility and Dissolution Rate of Ketoprofen by the Formation of Multicomponent Crystals with Tromethamine." Crystals 12, no. 2 (2022): 275. http://dx.doi.org/10.3390/cryst12020275.

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This study aims to improve the dissolution rate of ketoprofen by preparing multicomponent crystals with tromethamine. The multicomponent crystals (equimolar ratio) of ketoprofen and tromethamine were prepared by the solvent co-evaporation method. The solid-state properties of the resulting powder were characterized by powder X-ray diffraction, DSC thermal analysis, FT–IR spectroscopy, solubility, and in vitro dissolution rate. The crystal structure of the multicomponent crystal was determined by single-crystal X-ray diffraction analysis. The results showed that the powder X-ray diffraction pat

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He, Shi, and Aijun Wang. "Time and Frequency Domain Dynamic Analysis of Offshore Mooring." Journal of Marine Science and Engineering 9, no. 7 (2021): 781. http://dx.doi.org/10.3390/jmse9070781.

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The numerical procedures for dynamic analysis of mooring lines in the time domain and frequency domain were developed in this work. The lumped mass method was used to model the mooring lines. In the time domain dynamic analysis, the modified Euler method was used to solve the motion equation of mooring lines. The dynamic analyses of mooring lines under horizontal, vertical, and combined harmonic excitations were carried out. The cases of single-component and multicomponent mooring lines under these excitations were studied, respectively. The case considering the seabed contact was also include

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Dattatray, Yadav* Dr. Deepak Kardile Dr. Vishwas Bhagat Tushar Shinde Dr. Rajkumar Shete. "Review on Advanced RP-HPLC Method Development for Multicomponent Analysis: Techniques, Applications, and Validation Protocols." International Journal of Pharmaceutical Sciences 3, no. 5 (2025): 4780–803. https://doi.org/10.5281/zenodo.15546583.

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  RP-HPLC or Reverse Phase High-Performance Liquid Chromatography is easy to use by highly trained specialists, with applications in pharmaceutical analysis, food technology, and even environmental science. It is a technology that combines two techniques, high chromatography and special compound separation. In this review, I will discuss stationary and mobile phase matters, optimization parameters for RP-HPLC systems, multi component multiseries advanced detectors, and the challenges of multi component detection using modern detectors and zeotropic chromatographic techniques. Central to n

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Prus, Mikhail Yuryevich, Miras Sabyrgalievich Zhubanov, and Jurij Vital'evich Prus. "Numerical method for determining the probabilistic characteristics of individual multicomponent risks." Technology of technosphere safety 98 (2022): 144–57. http://dx.doi.org/10.25257/tts.2022.4.98.144-157.

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Introduction. As a rule, the quantitative assessment of the probabilistic characteristics of multicomponent risks involves the analysis of a large amount of statistical data, but quite often the available sample datasets are not representative or do not meet the requirements for the organization of systematic statistical accounting. Therefore, the scientific substantiation of the admissibility of using expert methods for quantitative assessments of the probabilistic parameters of rare events and phenomena is one of the urgent problems in the field of risk analysis and safety modeling of sociot

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Kovaleva, Kseniya. "Materials for the Study of Items from Non-Ferrous and Precious Metals of Selitrennoe Settlement: Chemical Composition." Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 4. Istorija. Regionovedenie. Mezhdunarodnye otnoshenija, no. 4 (October 2020): 328–47. http://dx.doi.org/10.15688/jvolsu4.2020.4.22.

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Introduction. This paper presents the results of the study of the chemical composition of nonferrous and precious metal items from the excavations of the Selitrennoe settlement by the Volga Region Archaeological Expedition in 1986–1989 stored in the State Historical Museum. Methods and materials. XRF was used as a method of determining the elemental composition; the main technological operations were determined using the trasology method. A total of 63 subjects were analyzed, including domestic items, jewelry and items related to production. Analysis and Results. The alloys have been distingui

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Laver, Kate, Rachel Milte, Suzanne Dyer, and Maria Crotty. "A Systematic Review and Meta-Analysis Comparing Carer Focused and Dyadic Multicomponent Interventions for Carers of People With Dementia." Journal of Aging and Health 29, no. 8 (2016): 1308–49. http://dx.doi.org/10.1177/0898264316660414.

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Objective: The aim of this study was to compare the efficacy of two approaches: multicomponent interventions that focus on working with the carer and dyadic interventions that work with both the carer and the person with dementia. Method: A systematic review involving a search of Medline, EMBASE, and PsycINFO in October 2015 was performed. Randomized controlled trials involving carers of people with dementia and comparing multicomponent interventions with usual care were included. Results: Pooling of all studies demonstrated that multicomponent interventions can reduce depressive symptoms, imp

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Liu, Shangkun, Guiji Tang, Xiaolong Wang, and Yuling He. "Time-Frequency Analysis Based on Improved Variational Mode Decomposition and Teager Energy Operator for Rotor System Fault Diagnosis." Mathematical Problems in Engineering 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/1713046.

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A time-frequency analysis method based on improved variational mode decomposition and Teager energy operator (IVMD-TEO) is proposed for fault diagnosis of turbine rotor. Variational mode decomposition (VMD) can decompose a multicomponent signal into a number of band-limited monocomponent signals and can effectively avoid model mixing. To determine the number of monocomponents adaptively, VMD is improved using the correlation coefficient criterion. Firstly, IVMD algorithm is used to decompose a multicomponent signal into a number of monocompositions adaptively. Second, all the monocomponent sig

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Xiao, Liying, Zhifu Zhang, and Jianjun Gao. "Ground Roll Attenuation of Multicomponent Seismic Data with the Noise-Assisted Multivariate Empirical Mode Decomposition (NA-MEMD) Method." Applied Sciences 12, no. 5 (2022): 2429. http://dx.doi.org/10.3390/app12052429.

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Multicomponent seismic exploration provides more wavefield information for imaging complex subsurface structures and predicting reservoirs. Ground roll is strongly coherent noise in land multicomponent seismic data and exhibits similar features, which are strong energy, low frequency, low velocity and dispersion, in each component. Ground roll attenuation is an important step in seismic data processing. In this study, we utilized multivariate empirical mode decomposition to multicomponent seismic data for attenuating ground roll. By adding extra components containing independent white noise, n

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Fuller, M. P., G. L. Ritter, and C. S. Draper. "Partial Least-Squares Quantitative Analysis of Infrared Spectroscopic Data. Part I: Algorithm Implementation." Applied Spectroscopy 42, no. 2 (1988): 217–27. http://dx.doi.org/10.1366/0003702884428266.

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Various approaches to infrared multicomponent quantitative analysis including K-matrix, multivariate least-squares, principal component regression (PCR), and partial least-squares (PLS) are compared. The advantages and disadvantages of each are discussed. A particular implementation of the PLS method is detailed, with emphasis on the methods provided for calibration optimization and evaluation.

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Butenko, Iu I. "Method for Extracting Multi-Component Terminological Units with Right Definitions from Scientific and Technical Texts." Vestnik NSU. Series: Information Technologies 22, no. 3 (2024): 5–14. https://doi.org/10.25205/1818-7900-2024-22-3-5-14.

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The paper proposes a method for extracting Russian-language multicomponent terms with right definitions in their structure. The analysis of modern methods, techniques and software tools for extraction of special terminology is carried out, and on its basis it is shown that they cover terms only with left definitions only. The formal structure of Russian-language multi-component terminological units with right definitions is investigated, where special attention is paid to their grammatical features, which include gender, case, number for Russian language nouns and adjectives. The inexpediencyo

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Kusumasari, B. A., K. Kashiwaya, Y. Tada, Y. Rahayudin, and K. Koike. "Reservoir temperature assessment by multicomponent geothermometry through a case study of Patuha Geothermal Field, Indonesia." IOP Conference Series: Earth and Environmental Science 1383, no. 1 (2024): 012007. http://dx.doi.org/10.1088/1755-1315/1383/1/012007.

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Abstract This study aims to establish a reliable method for accurately estimating reservoir temperature in the Patuha Geothermal Field (PGF), a vapor-dominated reservoir. The current power generation is in the southern region of PGF, known for its high potential, while the northern region, a largely underexplored area due to limited subsurface data, presents an intriguing challenge. To address this, multicomponent geothermometry was adopted to assess the northern reservoir temperature. This method utilizes comprehensive chemical analysis and mineral saturation indices (SI) for precise temperat

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Yao, Qinghe, Xin Pan, and Qingyong Zhu. "Numerical Simulation of the Hydrogen Dispersion Behavior by a Parallel Characteristic Curve Method." Abstract and Applied Analysis 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/583532.

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A parallel characteristic curve method is applied in domain decomposition system to simulate the dispersion behavior of hydrogen in this work. The characteristic curve method is employed to approximate the Navier-Stokes equations and the convection diffusion equation, and the feasibility of solving complex multicomponent flow problems is demonstrated by the numerical simulation of hydrogen dispersion in a partially open space. An analogy of the Boussinesq approximation is applied and numerical results are validated by comparing them with the experimental data. The dilution effect of ventilatio

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Eba, Hiromi, Hitoshi Ooyama, and Kenji Sakurai. "Combination of projection-based XRF, XAFS and XRD imagings for rapid spatial distribution analysis of a heterogeneous material." Journal of Analytical Atomic Spectrometry 31, no. 5 (2016): 1105–11. http://dx.doi.org/10.1039/c6ja00024j.

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Kossonou, Yao Taky Alvarez, Alain Clément, Bouchta Sahraoui, and Jérémie Zoueu. "A Local Binary Pattern-Based Method for Color and Multicomponent Texture Analysis." Journal of Signal and Information Processing 11, no. 03 (2020): 58–73. http://dx.doi.org/10.4236/jsip.2020.113004.

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Todeschini, Vitor, Regiane Leite, Maximiliano Sangoi, Paulo Oliveira, and Thiago Barth. "MULTICOMPONENT SPECTROPHOTOMETRIC METHOD FOR SIMULTANEOUS ANALYSIS OF DELAPRIL AND INDAPAMIDE IN TABLETS." Drug Analytical Research 1, no. 1 (2017): 50–55. http://dx.doi.org/10.22456/2527-2616.74119.

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A multicomponent ultraviolet (UV) spectrophotometric method was developed and validated for simultaneous determination of delapril (DEL) and indapamide (IND) in tablets employing the partial least squares regression (PLSR) approach. The PLSR method was developed by a multilevel factorial design using 25 synthetic mixtures of drugs and a significant predict model (p < 0.05) were obtained at 225 nm for DEL (r2 = 0.9992) and 243 nm for IND (r2 = 0.9997). Validation parameters such as the specificity, linearity, precision, accuracy and robustness were evaluated in accordance with the ICH requir

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Vylegzhanin, O. N. "Method for selection of optimal analytic positions in a multicomponent spectral analysis." Journal of Applied Spectroscopy 52, no. 4 (1990): 449–52. http://dx.doi.org/10.1007/bf00660547.

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ZHONG, LangXiang, Cheng CHEN, JinLiang HU, and Bo ZHANG. "Based on global optimization method for inter-diffusion analysis of multicomponent melts." SCIENTIA SINICA Physica, Mechanica & Astronomica 46, no. 3 (2016): 036101. http://dx.doi.org/10.1360/sspma2015-00427.

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Otto, Matthias, and Klaus Sporreiter. "Optimizing performance in Spectrophotometric Multicomponent Analysis with the partial least-squares method." Mikrochimica Acta 87, no. 3-4 (1985): 167–77. http://dx.doi.org/10.1007/bf01196998.

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Kovyrshina, E. O. "SYNTACTIC TYPOLOGY OF MULTICOMPONENT VERBAL PHRASEO-COMBINATIONS OF THE GERMAN LANGUAGE." Modern Linguistic and Methodical-and-Didactic Researches, no. 3(30) (December 31, 2020): 18–26. http://dx.doi.org/10.36622/mlmdr.2020.30.3.002.

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Statement of the problem. In the article on the material of the assembled corpus of phraseological units (in the amount of 1828 PU), obtained by the method of continuous sampling from German-language and bilingual dictionaries, multicomponent phraseological units with a phrase structure with the main word - a verb consisting of three or more components are selected and analyzed from the syntactic position. The method of literal translation determines the syntactic types that are actively used to create multicomponent verbal phraseological combinations (MCVPC), the specificity of syntactic is r

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Kusumasari, B. A., M. Iqbal, and N. R. Herdianita. "Comparison of Solute and Multicomponent Geothermometry: a Study Case of Mount Rajabasa Geothermal Field." IOP Conference Series: Earth and Environmental Science 1159, no. 1 (2023): 012004. http://dx.doi.org/10.1088/1755-1315/1159/1/012004.

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Abstract Geothermometry has always been a preferred method to estimate reservoir temperature in a relatively quick process at minimum cost. Among several types of geothermometry, solute geothermometry is the most common to be used due to its relatively uncomplicated calculation. However, it often involves high uncertainties thus the estimated temperature is occasionally rather inaccurate. This research aims at applying a new statistical approach to geothermometry to yield a more reliable reservoir temperature estimation. The new approach is called multicomponent geothermometry. This method use

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