Showing 201 - 220 results of 634 for search '"fractal"', query time: 0.05s Refine Results
  1. 201

    Acoustic Emission and Fractal Precursory Characteristics of Coals with Different Bursting Liabilities in Loading Failure Process by Chao Wang, Yuefeng Li, Yong Li, Jianhui Xu, Chengliang Zhang

    Published 2021-01-01
    “…The AE counts of different coals had obvious fractal characteristics, and the AE correlation dimension values of strong and weak bursting liability coal samples presented the phenomenon of “fluctuating rise to a peak value-sharp drop-continuous decrease,” which can be used as a precursory information of coal failure.…”
    Get full text
    Article
  2. 202
  3. 203

    Estimation of the Resistivity Index via Nuclear Magnetic Resonance Log Data Based on Fractal Theory by Cheng Feng, Chuang Han, Wenxing Duan, Wei Wang, Yuntao Zhong, Ziyan Feng, Ning Zhang

    Published 2020-01-01
    “…Firstly, a novel model of estimating the resistivity index with T2 time was derived based on fractal theory, the relationship between nuclear magnetic resonance (NMR) T2 spectrum and capillary pressure curve (T2-Pc), and Archie formula. …”
    Get full text
    Article
  4. 204

    The Fractal Dimension of Nuclear Chromatin as a Prognostic Factor in Acute Precursor B Lymphoblastic Leukemia by Randall L. Adam, Rosana C. Silva, Fernanda G. Pereira, Neucimar J. Leite, Irene Lorand-Metze, Konradin Metze

    Published 2006-01-01
    “…The fractal nature of the DNA arrangement has been postulated to be a common feature of all cell nuclei. …”
    Get full text
    Article
  5. 205

    Fractal analysis of geomagnetic data to decipher pre-earthquake processes in the Andaman–Nicobar region, India by R. Prajapati, K. Arora

    Published 2025-01-01
    “…The present study analyses the vertical component of geomagnetic field data from March 2019 to April 2020 using fractal and multifractal approaches to identify the EM signatures in Campbell Bay (CBY), a seismically active region of Andaman and Nicobar. …”
    Get full text
    Article
  6. 206

    The Effect of Morphological Characteristic of Coarse Aggregates Measured with Fractal Dimension on Asphalt Mixture’s High-Temperature Performance by Hainian Wang, Yin Bu, Yanzhe Wang, Xu Yang, Zhanping You

    Published 2016-01-01
    “…Good linear correlations between the fractal dimension and high-temperature indexes were obtained for all three types of mixtures. …”
    Get full text
    Article
  7. 207
  8. 208

    Modal Analysis for a Rod-Fastened Rotor considering Contact Effect Based on Double Fractal Model by Yang Liu, Qi Yuan, Pu Li, Guangyu Zhu

    Published 2019-01-01
    “…The measured contour curve of the contact interfaces of an experimental rod-fastened rotor is analyzed by the structural function method, which shows that the contact interfaces can be well described by the double fractal model with fractal dimensions D1 and D2 and the fractal roughness parameters G1 and G2. …”
    Get full text
    Article
  9. 209
  10. 210

    Inscribed Fibonacci Circle Fractal in a Circular Radiator for Ultra-Wideband Antenna Operation and Size Reduction by J. A. Tirado-Mendez, D. Martinez-Lara, H. Jardon-Aguilar, R. Flores-Leal, E. A. Andrade-Gonzalez

    Published 2019-01-01
    “…In this article, a Fibonacci circle fractal is inscribed into a circular radiator in order to provide ultra-wideband behavior as well as a 50% size reduction compared to a conventional circular monopole. …”
    Get full text
    Article
  11. 211

    ABC Fractional Derivative for Varicella-Zoster Virus Using Two-Scale Fractal Dimension Approach with Vaccination by Jirong Yang, Farkhanda Afzal, Perpetual Appiah

    Published 2022-01-01
    “…The possibility of using the fractal dimension as a biomarker to identify different diseases is being investigated. …”
    Get full text
    Article
  12. 212
  13. 213

    Study of Void Probability Scaling of Singly Charged Particles Produced in Ultrarelativistic Nuclear Collision in Fractal Scenario by Susmita Bhaduri, Dipak Ghosh

    Published 2016-01-01
    “…We study the fractality of void probability distribution measured in S32-Ag/Br interaction at an incident energy of 200 GeV per nucleon. …”
    Get full text
    Article
  14. 214

    A Low-Pass Filter of Wide Stopband with a Novel Multilayer Fractal Photonic Bandgap Structure by Hai-Wen Liu, Xiao-Wei Sun, Zheng-Fan Li

    Published 2004-01-01
    “…A novel, multilayer fractal PBG is presented here as the substrate for a microstrip line and the resulting configuration builds a low-pass filter of wide stopband. …”
    Get full text
    Article
  15. 215

    Design and Performance Analysis of a Dual-Band Fractal Antenna for Millimeter-Wave 5G Applications by Benkhadda Omaima, Reha Abdelati, Saih Mohamed, Harrou Meryama

    Published 2024-01-01
    “…The antenna is structured in the form of a Cantor set fractal with a ground plane featuring a strategically placed slot, which lowers the frequency of the first band to 28 GHz and introduces a second band at 39 GHz. …”
    Get full text
    Article
  16. 216

    Multicrack Localization in Rotors Based on Proper Orthogonal Decomposition Using Fractal Dimension and Gapped Smoothing Method by Zhiwen Lu, Dawei Dong, Shancheng Cao, Huajiang Ouyang, Chunrong Hua

    Published 2016-01-01
    “…Instead of using the CPOM directly, due to its difficulty to localize incipient cracks, damage indexes using fractal dimension (FD) and gapped smoothing method (GSM) are adopted, in order to extract the locations more efficiently. …”
    Get full text
    Article
  17. 217
  18. 218

    Pore Structure Fractal Characterization and Permeability Simulation of Natural Gas Hydrate Reservoir Based on CT Images by Hang Bian, Yuxuan Xia, Cheng Lu, Xuwen Qin, Qingbang Meng, Hongfeng Lu

    Published 2020-01-01
    “…The original CT scanning images are further processed to get the binarized images of the samples, which can be used for simulation of the porosity and absolute permeability. Based on the fractal geometry theory, pore structures of the samples are quantitatively characterized from the aspect of pore distribution, heterogeneity, and anisotropy (represented by three main fractal geometric parameters: fractal dimension, lacunarity, and succolarity, respectively). …”
    Get full text
    Article
  19. 219

    Dynamic Mechanical Properties and Fractal Characteristics of Polypropylene Fiber-Reinforced Cement Soil under Impact Loading by Yi-xin Mo, Jian-yong Pang, Jin-kun Huang

    Published 2019-01-01
    “…This paper aims to study the dynamic mechanical properties, failure patterns, fractal behaviors, and energy dissipation of polypropylene fiber-reinforced cement soil under impact loading. …”
    Get full text
    Article
  20. 220