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81
Influence of the Method of Treatment of Samples of Biological Nature on the Results of Determination of Heavy Metals by Atomic Emission Spectroscopy
Published 2019-09-01“…Much attention is given to compare 2 methods of sample preparation: solid-phase extraction and microwave decomposition. …”
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82
FAULT DIAGNOSIS METHOD OF ROLLING BEARING BASED ON ICEEMD-FastICA
Published 2024-04-01“…In response to the difficulty in extracting early fault feature signals of rolling bearings, a joint fault diagnosis method based on Improved Complete Ensemble Empirical Mode Decomposition (ICEEMD) and Independent Component Analysis(ICA) was proposed. …”
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83
Spectrum processing method for measuring low levels of specific activity of 137Cs with a NaI(Tl) detector in the presence of natural radionuclides
Published 2023-01-01“…The article proposes a method of spectrum decomposition based on the taking into account individual parameters of the spectrometer and a more accurate determination of specific activities of natural radionuclides. …”
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84
Construction and thermal decomposition properties of Nickel (Ⅱ) complex with 1-(4-benzoic acid)- 3-(pyrazinyl)-1H-1,2,4-triazole ligand
Published 2024-12-01“…A novel nickel(Ⅱ)-based complex named 1 was successfully constructed by the conventional solvothermal method, and the complex 1 was characterized by single-crystal structure analysis, powder XRD experiments, FTIR detection, and thermal decomposition properties by thermogravimetric experiments. …”
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85
Time-Frequency Feature Extraction Method for Weak Acoustic Signals from Drill Pipe of Seafloor Drill
Published 2025-04-01“…However, the existing short-time Fourier transform and wavelet transform methods have the defects of fixed window length, wavelet basis function, and decomposition layers, which lead to the inability to accurately extract the weak acoustic signal features of a drill pipe. …”
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86
Research on non-destructive testing method for radial defect of anchor bolt based on longitudinal guided wave
Published 2025-07-01“…The propagation decay law of the longitudinal guided wave in the defect bolt was explored, and the applicability of the short-time Fourier transform, the Hilbert-Huang transform and the empirical mode decomposition method to the radial defect identification of the bolt was compared and analyzed. …”
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87
Mixed finite element formulation enriched by Adomian method for vibration analysis of horizontally curved beams
Published 2017-05-01“…Abstract:The vibration analysis of horizontally curved beams is generally led to higher order shape functions using direct finite element method, resulting in more time-consuming computation process. …”
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88
Quantification of Dynamic Properties of Pile Using Ensemble Empirical Mode Decomposition
Published 2018-01-01“…This paper investigated dynamical interactions between pile and frozen ground by using the ensemble empirical mode decomposition (EEMD) method. Unlike the conventional empirical mode decomposition (EMD) method, EEMD is found to be able to separate the mode patterns of pile response signals of different scales without causing mode mixing. …”
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89
Dense Sandstone Material Decomposition Based on Improved Convolutional Neural Network
Published 2025-01-01“…Energy spectrum computed tomography can provide quantitative information of scanned objects and realize material decomposition. At present, the material decomposition method based on neural networks overcomes the limited decomposition effect of traditional iterative algorithms. …”
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90
Iterative PolInSAR Target Decomposition for Scattering Characterization and Building Detection
Published 2025-01-01“…Experiments on three sets of PolInSAR data confirm the validity of the proposed framework, with more reasonable target decomposition results and more accurate building detection results, especially in densely rotated built-up areas.…”
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91
Evaluation of some reciprocal trigonometric sums via partial fraction decomposition
Published 2020-01-01“…In this paper, generalizations of the sums, which he studied in 2016, are presented, by allowing arbitrary factors in the denominator of the summand. Note more than the elementary technique of partial fraction decomposition method is used. …”
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92
A Novel Algorithm for the Decomposition of Non-Stationary Multidimensional and Multivariate Signals
Published 2025-05-01“…The decomposition of a signal is a fundamental tool in many fields of research, including signal processing, geophysics, astrophysics, engineering, medicine, and many more. …”
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93
Compressive SAR Imaging Based on Modified Low-Rank and Sparse Decomposition
Published 2025-01-01“…The proposed CS-based modified LRSD (CS-MLRSD) method uses 2D random sampling for SAR raw data compression and then employs the dual-tree complex wavelet transform (DCWT) instead of singular value decomposition to more accurately reconstruct directional information in the low-rank background image. …”
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94
An Hourly Prediction Model of Relativistic Electrons Based on Empirical Mode Decomposition
Published 2020-08-01“…We use the method of empirical mode decomposition to reduce these effects. …”
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95
Preparation of black-titanium dioxide nanotubes by thermal decomposition of sodium borohydride
Published 2021-03-01“…The nanotube form of titanium dioxide prepared by hydrothermal method. The nanotube photocatalysts are anatase and have high surface area. …”
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96
Composite Noise Reduction Method for Internal Leakage Acoustic Emission Signal of Safety Valve Based on IWTD-IVMD Algorithm
Published 2025-07-01“…Therefore, the IWTD-IVMD composite noise reduction method can extract more main features out of the measured spring full-open safety valve internal leakage acoustic emission signals, and has a good noise reduction effect. …”
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97
Influence of rhizosphere priming effects on accumulation and decomposition of soil organic carbon
Published 2021-08-01“…By using a <sup>13</sup>C natural abundance method, this study investigated the rhizosphere priming effects (RPE) of sorghum and maize growing in two types of soil (paddy soil and lou soil) at two stages, and the contents of light fraction organic carbon (ρ<sub>1</sub><1.7 g/cm<sup>3</sup>) and heavy fraction organic carbon (ρ<sub>2</sub>>1.7 g/cm<sup>3</sup>) of soil were also determined. …”
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98
Modification of Adomian decomposition technique in multiplicative calculus and application for nonlinear equations
Published 2024-12-01“…The primary objective of this work is to modify and implement the Adomian decomposition method within the multiplicative calculus framework and to develop an effective class of multiplicative numerical algorithms for obtaining the best approximation of the solution of nonlinear equations. …”
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99
Mine pressure prediction based on empirical mode decomposition linear model
Published 2024-11-01“…To ensure the safe and efficient extraction of coal mines and reduce sudden roof accidents, this study proposes a novel multivariate long-term sequence mine pressure prediction model—the Empirical Mode Decomposition Linear Model (EMD–Mixer). Unlike most fixed-length single-feature mine pressure prediction models, this model first introduces the Empirical Mode Decomposition (EMD) method to separate periodic and trend components from the mine pressure signals. …”
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100
Synergistic and Antagonistic Effects of Mixed-Leaf Litter Decomposition on Nutrient Cycling
Published 2024-11-01“…Specifically, we expected mixtures containing nutrient-rich species to exhibit synergistic effects, resulting in faster decay rates and sustained nutrient release, while mixtures with nutrient-poor species would demonstrate antagonistic effects, slowing decomposition. We conducted a mesocosm experiment using a custom wooden setup filled with soil, and the litterbag method was used to test various leaf litter mixtures. …”
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