Showing 4,801 - 4,820 results of 5,787 for search '"magnet"', query time: 0.08s Refine Results
  1. 4801

    Concentration of viruses and electron microscopy by I. D. Petrova, B. N. Zaitsev, O. S. Taranov

    Published 2020-05-01
    “…The paper reviews studies on unique traps, magnetic beads, and composite polyaniline and carbon nanotubes, including those of changeable size to concentrate viral particles. …”
    Get full text
    Article
  2. 4802

    Application value of different imaging methods in the early diagnosis of small hepatocellular carcinoma: a network meta-analysis by Jian Dong, Zhen Wang, Si-Rui Wang, Huan Zhao, Jun Li, Ting Ma

    Published 2025-01-01
    “…ObjectiveTo determine the diagnostic value of ultrasound, multi-phase enhanced computed tomography, and magnetic resonance imaging of small hepatocellular carcinoma.MethodsExperimental studies on diagnosing small hepatocellular carcinoma in four databases: PubMed, Cochrane Library, Web of Science, and Embase, were comprehensively searched from October 2007 to October 2024. …”
    Get full text
    Article
  3. 4803

    Synthesis and Structural Studies on Transition Metal Complexes Derived from 4-Hydroxy-4-methyl–2-pentanone-1H-benzimidazol-2-yl-hydrazone by M. Neelamma, P. Venkateswar Rao, G. H. Anuradha

    Published 2011-01-01
    “…Characterization has been done on the basis of analytical, conductance, thermal and magnetic data, infrared, 1H NMR, electronic, mass and ESR spectral data. …”
    Get full text
    Article
  4. 4804

    A new adaptive fuzzy hybrid unscented Kalman/H‐infinity filter for state estimating dynamical systems by Mojtaba Masoumnezhad, Mohammad Tehrani, Alireza Akoushideh, Nader Narimanzadeh

    Published 2021-09-01
    “…The challenge of reentry vehicle tracking and the state estimation of a magnetic motor as two non‐linear high‐order problems are used as benchmarks, and the results are compared with the UKF, UH∞F, and AFUKH∞ filters. …”
    Get full text
    Article
  5. 4805

    Criticality is Associated with Future Psychotherapy Response in Patients with Post-Traumatic Stress Disorder—A Pilot Study by Remko van Lutterveld, Myrthe Sterk, Cristian Spitoni, Mitzy Kennis, Sanne J. H. van Rooij, Elbert Geuze

    Published 2025-01-01
    “…We studied if brain criticality is related to future response to treatment, hypothesizing that treatment responders’ brains function closer to criticality. Methods Functional magnetic resonance imaging resting-state scans were acquired from 46 male veterans with PTSD around the start of treatment. …”
    Get full text
    Article
  6. 4806

    Cervical Ligamentum Flavum Cyst Causing Myelopathy: A Case Report by Thomas J Kishen, Prabhakar Sekar

    Published 2024-06-01
    “…Case description: A 68-year-old gentleman presented with progressive paresthesia and weakness of both upper limbs of 6 months duration, along with clumsiness of both hands and difficulty in walking. Magnetic resonance imaging (MRI) scan of the cervical spine showed a ventral midline ligamentum flavum causing cord compression and myelomalacia along with bilateral C3-C4 facet arthritis. …”
    Get full text
    Article
  7. 4807

    Predicting Geostationary (GOES) 4.1–30 keV Electron Flux Over All MLT Using LEEMYR Regression Models by L. E. Simms, N. Y. Ganushkina, M. van deKamp, M. W. Liemohn

    Published 2024-08-01
    “…The addition of location (MLT: magnetic local time) as a covariate, including multiplicative interaction terms, accounts for location‐dependent flux differences and variation of parameter influence, and allows prediction over the full orbit. …”
    Get full text
    Article
  8. 4808

    Adult-onset Langerhans cell histiocytosis with multisystem involvement: A rare case report by Yaman M․ Alahmad, Omar Al Mukdad, Ahmad Huneity, Sarah Sayed, Renan Adam, Alaa Al-Taie

    Published 2025-03-01
    “…Computed tomography angiography spotted a T6 vertebral body compression fracture. Magnetic resonance of the spine showed T6 vertebral body pathological collapse with epidural soft tissue component compressing the spinal cord. …”
    Get full text
    Article
  9. 4809

    Shedding new light on atherosclerosis therapeutics: Nanomedicines targeting atherosclerotic immune microenvironment by Zhiyue Wang, Jie Sheng, Guangming Lu, Longjiang Zhang

    Published 2024-12-01
    “…We introduce nanoplatforms integrated with imaging techniques, such as magnetic resonance imaging, photoacoustic imaging, fluorescence imaging, positron emission tomography, and ultrasound imaging, which can target AIME to realize plaque diagnosis. …”
    Get full text
    Article
  10. 4810

    Ensemble Modeling of Radiation Belt Electron Flux Decay Following a Geomagnetic Storm: Dependence on Key Input Parameters by Man Hua, Jacob Bortnik, Adam C. Kellerman, Enrico Camporeale, Qianli Ma

    Published 2022-08-01
    “…Based on Van Allen Probes measurements, we use percentiles to sample distributions of the four key input parameters, which are the hiss wave amplitude Bw, hiss wave peak frequency fm, background magnetic field B0, and electron density Ne, with 11 points representing that range of each input, leading to 114 (∼14,600) ensemble members. …”
    Get full text
    Article
  11. 4811

    Simulation of Electromagnetic Field of a Powerful Electrical Machine by D. I. Hvalin, O. H. Kensytskyi, K. O. Kobzar

    Published 2021-04-01
    “…On the basis of the comparison of the axial component of the magnetic induction on the surface of the extreme package of the stator core of the large-scale physical and mathematical models with the data of the field experiment, conclusions are drawn about the reliability of the results obtained. …”
    Get full text
    Article
  12. 4812

    An improved particle swarm optimization for multilevel thresholding medical image segmentation. by Jiaqi Ma, Jianmin Hu

    Published 2024-01-01
    “…Then, a group of Brain Magnetic Resonance Imaging (MRI) images with 12-bit depth are utilized to validate the advantages of CIWP-PSO compared with other segmentation algorithms based on other optimization algorithms. …”
    Get full text
    Article
  13. 4813

    Enhanced Brain Tumor MRI Classification Using Stationary Wavelet Transform, ResNet50V2, and LSTM Networks by Oussama Abda, Hilal NAIMI

    Published 2025-01-01
    “…The principal diagnostic technology that shows highly detailed visualization of brain structures is Magnetic Resonance Imaging (MRI); however, the interpretation of these images can be time-consuming and require expertise and highly specialized manpower. …”
    Get full text
    Article
  14. 4814

    The Nordic-walking mechanism and its explanation of deconfined pseudocriticality from Wess-Zumino-Witten theory by Bilal Hawashin, Astrid Eichhorn, Lukas Janssen, Michael M. Scherer, Shouryya Ray

    Published 2025-01-01
    “…A famous class of examples is constituted by the putative deconfined quantum critical points between two symmetry-broken phases in layered quantum magnets, such as pressurised SrCu2(BO3)2. Experiments find a weak first-order transition, which simulations of relevant microscopic models can reproduce. …”
    Get full text
    Article
  15. 4815
  16. 4816

    Recent methods for the diagnosis and differentiation of ameloblastoma: a narrative review by Ke Hu, Xudong Zhang, Ruixue Chen, Xiangjun Li

    Published 2024-12-01
    “…Panoramic radiography, computed tomography, and magnetic resonance imaging have been used to detect ameloblastoma, whereas fine-needle aspiration cytology and biopsies have been used to enhance diagnostic precision and clinical diagnosis. 18F-fluorodeoxyglucose (FDG) and FDG positron emission tomography(PET) have been used to detect metastasis of ameloblastoma to determine the prognosis of the disease. …”
    Get full text
    Article
  17. 4817

    Triple-Resonance Wideband Sector Patch Antenna Under 1.25-Wavelength by Jian Yu, Shan-Shan Gu

    Published 2024-01-01
    “…The design of the sector patch antenna is inspired by a 1.25-wavelength prototype magnetic dipole. The outer arc, being 1.25-wavelength in length, enables the effective excitation of three odd-order resonance modes. …”
    Get full text
    Article
  18. 4818

    Deep Learning‐Based Regional Ionospheric Total Electron Content Prediction—Long Short‐Term Memory (LSTM) and Convolutional LSTM Approach by Se‐Heon Jeong, Woo Kyoung Lee, Hyosub Kil, Soojeong Jang, Jeong‐Heon Kim, Young‐Sil Kwak

    Published 2024-01-01
    “…Abstract This study evaluates the performance of deep learning approach in the prediction of the ionospheric total electron content (TEC) during magnetically quiet periods. Two deep learning techniques, long short‐term memory (LSTM) and convolutional LSTM (ConvLSTM), are employed to predict TEC values 24 hr ahead in the vicinity of the Korean Peninsula (26.5°–40°N, 121°–134.5°E). …”
    Get full text
    Article
  19. 4819

    Effective and Safe Treatment of Risky Localized Liver Tumors Using Microwave Ablation in Patients with Comorbid Lung Diseases Unfit for Deep Anesthesia by Murat ASIK

    Published 2024-03-01
    “…Regular follow-ups were performed using blood tests and dynamic contrast-enhanced computed tomography or magnetic resonance imaging. Results: The patient cohort consisted of 30 (68%) men and 14 (32%) women, with a mean age of 64.36+-11.65 years (range: 40-80 years). …”
    Get full text
    Article
  20. 4820

    Effect of Bentonite Prehydration Time on the Stability of Lightweight Oil-Well Cement System by Stephen Adjei, Salaheldin Elkatatny, Abdulaziz Al-Majed

    Published 2021-01-01
    “…Density measurements and pore space analysis with the nuclear magnetic resonance (NMR) technique were used to investigate the homogeneity of cement-based cores. …”
    Get full text
    Article