Showing 4,941 - 4,960 results of 5,787 for search '"magnet"', query time: 0.15s Refine Results
  1. 4941

    Efficient removal of aqueous Pb(II) using partially reduced graphene oxide-FeO by Ting Guo, Chaoke Bulin, Bo Li, Zhiwei Zhao, Huitao Yu, He Sun, Xin Ge, Ruiguang Xing, Bangwen Zhang

    Published 2018-05-01
    “…The composite shows excellent and efficient adsorption performance toward aqueous Pb(II): adsorption equilibrium was reached in 10 min with the adsorption percent and quantity of 95.77% and 373.14 mgċg −1 , respectively, under a condition of pH = 6, adsorbent dosage 250 mgċL −1 , and Pb(II) initial concentration 97.68 mgċL −1 , with the subsequent magnetic separation taking only 10 s. The adsorption performance is dependent on adsorbent dosage. …”
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  2. 4942

    NMR probing of copper–amyloid β1–16 interactions and self-assembly by Punnepalli Sunanda, Srinivasarao Raghothama, Uma Maheswari Devi Palempalli, Bankala Krishnarjuna

    Published 2024-12-01
    “…In this study, we investigated copper ion–Aβ1–16 interactions using nuclear magnetic resonance (NMR) spectroscopy, circular dichroism, and transmission electron microscopy. …”
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  3. 4943

    Methane Adsorption in Anthracite Coal under Different Pressures and Temperatures—A Study Combining Isothermal Adsorption and Molecular Simulation by Tieya Jing, Jian Zhang, Mingyu Zhu, Wentao Zhao, Juan Zhou, Yulong Yin

    Published 2023-01-01
    “…In this study, the molecular structure and methane adsorption capacity of anthracite coal collected from Diandong Coalfield (China) were studied based on 13C nuclear magnetic resonance (13C NMR), Fourier transform infrared spectroscopy (FT-IR), and methane isothermal adsorption experiment. …”
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  4. 4944

    Intracranial desmoid tumor simulating a trigeminal schwannoma: case report and literature review by Beatrice Silva Fernandes, Jessica Fernandes Vasconcelos, Paulo Eduardo Goncalves, Joilson Francisco de Souza Junior, Ricardo Queiroz Gurgel, Arthur Maynart Pereira Oliveira

    Published 2025-02-01
    “…Case presentation We report the case of a 50-year-old male patient, complaining of pain in the region of the right ear and discomfort in the region of the maxilla on the same side for 5 months. Contrast-enhanced magnetic resonance image (MRI) of the skull base and face showed a homogeneous contrast uptake lesion in the region of Meckel’s cave extending inferiorly to the infratemporal fossa with an intracranial and extracranial portion. …”
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  5. 4945

    The Effects of Whole-Body Vibration on the Cross-Transfer of Strength by Alicia M. Goodwill, Dawson J. Kidgell

    Published 2012-01-01
    “…All groups underwent dynamic single leg maximum strength testing (1RM) and single and paired pulse transcranial magnetic stimulation (TMS) prior to and following training. …”
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  6. 4946

    Thermal Emission of Alkali Metal Ions from Al30-Pillared Montmorillonite Studied by Mass Spectrometric Method by V. B. Motalov, N. S. Karasev, N. L. Ovchinnikov, M. F. Butman

    Published 2017-01-01
    “…The measurements were carried out on a magnetic mass spectrometer MI-1201. For natural montmorillonite, the densities of the emission currents (j) decrease in the mass spectrum in the following sequence (T = 805 K, A/cm2): K+ (4.55 · 10−14), Cs+ (9.72 · 10−15), Rb+ (1.13 · 10−15), Na+ (1.75 · 10−16), Li+ (3.37 · 10−17). …”
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  7. 4947

    Feasibility of NaF PET/CT and MRI for Noninvasive In Vivo Quantification of Knee Pathophysiological Bone Metabolism in a Canine Model of Post-traumatic Osteoarthritis by Maria I. Menendez DVM, PhD, Bianca Hettlich DrMedVet, Lai Wei PhD, Michael V. Knopp MD, PhD

    Published 2017-07-01
    “…Purpose: To assess and quantify by molecular imaging knee osseous metabolic changes serially in an in vivo canine model of posttraumatic osteoarthritis (PTOA) of the knee utilizing sodium fluoride (Na 18 F) positron emission tomography (PET)/computed tomography (CT) coregistered with magnetic resonance imaging (MRI). Materials and Methods: Sodium fluoride PET imaging of 5 canines was performed prior to anterior cruciate ligament transection (ACLT) and 2 times post-ACLT (3 and 12 weeks). …”
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  8. 4948

    Gastrointestinal transit time of radiopaque ingested foreign bodies in children: experience of two paediatric tertiary centres by Chen Xiang Ang, Win Kai Mun, Marion Margaret Aw, Diana Lin, Shu-Ling Chong, Lin Yin Ong, Shireen Anne Nah

    Published 2025-01-01
    “…Coins were the most common ingested FB, followed by toys. High-risk FB (magnets or batteries) formed 9% of cases (n=33). The 50th centile for FB retention was 8, 4 and 7 days for coins, batteries and other radiopaque FBs, respectively; all confirmed passages occurred at 37, 7 and 23 days, respectively. …”
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  9. 4949

    Electroacupuncture-Induced Plasticity between Different Representations in Human Motor Cortex by Weiqin Peng, Tiange Yang, Jiawei Yuan, Jianpeng Huang, Jianhua Liu

    Published 2020-01-01
    “…Plasticity changes in different representations, including the map volume, map area, and centre of gravity (COG) were evaluated by transcranial magnetic stimulation (TMS) before and after the intervention. …”
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  10. 4950

    Intra-Cardiac Kinetic Energy and Ventricular Flow Analysis in Bicuspid Aortic Valve: Impact on Left Ventricular Function, Dilation Severity, and Surgical Referral by Ali Fatehi Hassanabad, Julio Garcia

    Published 2024-12-01
    “…All subjects underwent cardiac magnetic resonance imaging (MRI) examination. The LV mass was inferior in the controls than in the BAV patients (90 ± 26 g vs. 45 ± 17 g, <i>p</i> = 0.025), as well as the inferior ascending aorta diameter indexed (15.8 ± 2.5 mm/m<sup>2</sup> vs. 19.3 ± 3.5 mm/m<sup>2</sup>, <i>p</i> = 0.005). …”
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  11. 4951

    A rare neurosurgical emergency: case report of spontaneous lumbar subdural empyema by Svetozar Stanković, Milan Lepić, Ivan Bogićević, Jadranka Stanković, Goran Pavlicević

    Published 2025-02-01
    “…Laboratory tests showed elevated inflammatory markers. Contrast-enhanced magnetic resonance imaging (MRI) revealed lumbar SDE at the L3-L5 levels. …”
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  12. 4952

    The Extreme-ultraviolet Precursors and Postcursors of Solar Flares by Larisza D. Krista

    Published 2025-01-01
    “…EUV brightenings are small-scale magnetic reconnection events that consistently appear before and after solar flares. …”
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  13. 4953

    Low Latitude Analysis of Geomagnetic Storm Effects on Ionospheric Vertical Drifts over the East African Region by Niwamanya, Duncan, Habyarimana , Valence, Jurua, Edward

    Published 2025
    “…There was also a decrease in E × B due to the decrease in horizontal component of the magnetic field ( ΔH ) during the recovery phases of the CME-driven storms. …”
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  14. 4954

    Entropy performance of nonlinear mathematical hydrocarbon based model using ternary alloys (AA7072/AA7075/Ti6AI4V) under influential solar radiations and convective effects by Mutasem Z. Bani-Fwaz, Adnan, Sami Ullah Khan, Zafar Mahmood, Yasir Khan, A. M. Obalalu, Mohammad Khalid Nasrat

    Published 2024-12-01
    “…The results revealed that increasing the effects of dissipation energy, thermal radiations and temperature ratio number, the thermal performance of the system enhanced. However, magnetic effects are observed good to control the thermal boundary layer region. …”
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  15. 4955

    Plastic but not progressive changes in cognitive function and hippocampal volume in an adolescent with bipolar disorder: a case report by Bo Liu, Bo Liu, Hui Sun, Hui Sun, Hui Sun, Qiannan Zhao, Qiannan Zhao, Qiannan Zhao, Li Li, Rong Tian, Su Lui, Su Lui, Su Lui, Hongru Zhu

    Published 2025-01-01
    “…Initially, the individual exhibited impaired general cognitive function, as indicated by an IQ score of 80 on the Standard Raven’s Progressive Matrices test, and demonstrated slightly reduced bilateral hippocampal volume compared to the normative reference, as determined through quantitative structural magnetic resonance imaging (qsMRI). The deposition profiles of amyloid beta (Aβ) peptide in the brain were not identified with 18F-AV45 PET/MRI. …”
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  16. 4956
  17. 4957

    Effect of Adalimumab on Refractory Arthritis in Juvenile Idiopathic Inflammatory Myopathy with Anti-MDA5 Autoantibody by Takako Miyamae, Takuma Hara, Aki Hanaya, Yumi Tani, Takayuki Kishi, Hisashi Yamanaka

    Published 2018-01-01
    “…Based on muscle weakness, elevated muscle-derived enzymes, magnetic resonance imaging, and skin biopsy results, the diagnosis was juvenile idiopathic inflammatory myopathies (JIIM). …”
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  18. 4958

    Diagnostic Implication and Clinical Relevance of Dermatomal Somatosensory Evoked Potentials in Patients with Radiculopathy: A Retrospective Study by Nam-Gyu Jo, Myoung-Hwan Ko, Yu Hui Won, Sung-Hee Park, Gi-Wook Kim, Jeong-Hwan Seo

    Published 2021-01-01
    “…The purpose of our study is to evaluate the diagnostic implication and clinical relevance of DSEPs in patients with radiculopathy by comparing DSEP findings to radiculopathy symptoms and intervertebral foramen (IVF) or spinal canal stenosis in lumbar magnetic resonance imaging (MRI). Methods. This retrospective study reviewed the medical records of patients (n = 59) who were examined by DSEP (each L4 and L5 dermatome) and lumbar MRI. …”
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  19. 4959

    A Comparison of Auroral Oval Proxies With the Boundaries of the Auroral Electrojets by Simon James Walker, Karl Magnus Laundal, Jone Peter Reistad, Anders Ohma, Spencer Mark Hatch, Gareth Chisham, Margot Decotte

    Published 2024-04-01
    “…We apply this technique to a preexisting database of such currents along the 105° magnetic meridian, estimated using ground‐based magnetometers, producing a total of 11 years of 1‐min resolution electrojet boundaries during the period 2000–2020. …”
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  20. 4960

    Asymmetric Ionospheric Fluctuations Over the Circum‐Pacific Regions Following the January 2022 Tonga Volcanic Eruption by Wang Li, Haoze Zhu, Jiandi Feng, Xuequn Wu, Jun Tang, Zhen Zhang, Junyu Chen

    Published 2023-08-01
    “…The equatorial electric field, vertical E × B drifts and thermospheric O/N2 density ratio also fluctuated significantly following the eruption, indicating the redistribution of charged particles due to the magnetic field mapping effect, which was the main contributor to the asymmetries observed.…”
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