Showing 4,541 - 4,560 results of 5,787 for search '"magnets"', query time: 0.10s Refine Results
  1. 4541

    Validating GIC Modeling in the Spanish Power Grid by Differential Magnetometry by S. Marsal, J. M. Torta, J. J. Curto, V. Canillas‐Pérez, O. Cid, M. Ibañez, A. Marcuello

    Published 2021-12-01
    “…According to such experience, on some occasions only total DC currents above a significant fraction of 1 A give magnetic signatures well above the noise level, so this figure can roughly be considered as the threshold limit for detection. …”
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    Article
  2. 4542

    Solid-State 13C NMR Spectroscopy Applied to the Study of Carbon Blacks and Carbon Deposits Obtained by Plasma Pyrolysis of Natural Gas by Jair C. C. Freitas, Daniel F. Cipriano, Carlos G. Zucolotto, Alfredo G. Cunha, Francisco G. Emmerich

    Published 2016-01-01
    “…Solid-state 13C nuclear magnetic resonance (NMR) spectroscopy was used in this work to analyze the physical and chemical properties of plasma blacks and carbon deposits produced by thermal cracking of natural gas using different types of plasma reactors. …”
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  3. 4543

    Multi-scale characterization of tight carbonate rocks based on digital cores by Changsheng Wang, Changsheng Wang, Lili Tian, Lili Tian, Chuanrui Sun, Chuanrui Sun, Yuwei Deng, Yuwei Deng, Ying Zhou, Ying Zhou, Xin Nie, Xin Nie

    Published 2025-01-01
    “…However, due to the complexity and heterogeneity of the pore structure of tight carbonate rocks, high-pressure mercury intrusion, nuclear magnetic resonance (NMR) and other methods have different limitations in the characterization. …”
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    Article
  4. 4544

    An Examination of Geomagnetic Induction in Submarine Cables by David H. Boteler, Shibaji Chakraborty, Xueling Shi, Michael D. Hartinger, Xuan Wang

    Published 2024-02-01
    “…This paper provides a new examination of geomagnetic induction in submarine cables and makes calculations of the voltages experienced by the TAT‐8 trans‐Atlantic submarine cable during the March 1989 magnetic storm. It is shown that the cable itself experiences an induced electromotive force (emf) and that induction in the ocean also leads to changes of potential of the land at each end of the cable. …”
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    Article
  5. 4545

    Blasting-Induced Permeability Enhancement of Ore Deposits Associated with Low-Permeability Weakly Weathered Granites Based on the Split Hopkinson Pressure Bar by Lei Yan, Wenhua Yi, Liansheng Liu, Jiangchao Liu, Shenghui Zhang

    Published 2018-01-01
    “…By combining nuclear magnetic resonance (NMR) and triaxial seepage tests, this study investigated the change laws in the mechanical properties, porosity evolution, and permeability coefficients of the samples under cyclic impacts. …”
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    Article
  6. 4546

    Regional Alteration within the Cerebellum and the Reorganization of the Cerebrocerebellar System following Poststroke Aphasia by Xiaotong Zhang, Zhaocong Chen, Na Li, Jingfeng Liang, Yan Zou, Huixiang Wu, Zhuang Kang, Zulin Dou, Weihong Qiu

    Published 2022-01-01
    “…To solve this problem, in the present study, we investigated regional alterations of the cerebellum as well as the functional reorganization of the cerebrocerebellar circuit by combining structural and resting-state functional magnetic resonance imaging (fMRI) techniques. Twenty patients diagnosed with aphasia following left-hemispheric stroke and 20 age-matched healthy controls (HCs) were recruited in this study. …”
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  7. 4547

    Influence of bismuth substitution on structural and optical properties of CuFe2-xBixO4 spinel structure by Hamid Hamrah, Ahmad Gholizadeh

    Published 2024-07-01
    “…CuFe2-xBixO4spinel structures show promise for applications in photocatalysis, gas sensors, pigments, and magnetic materials. We will clearly outline the existing knowledge in the field of Bi3+-substituted copper ferrite nanoparticles, focusing on the need for a comprehensive understanding of the structural and optical property changes resulting from Bi3+ substitution.…”
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  8. 4548

    Interpreting Intervention Induced Neuroplasticity with fMRI: The Case for Multimodal Imaging Strategies by Lee B. Reid, Roslyn N. Boyd, Ross Cunnington, Stephen E. Rose

    Published 2016-01-01
    “…One popular imaging modality for measuring neuroplasticity is task-based functional magnetic resonance imaging (t-fMRI). In the field of neurorehabilitation, however, assessing neuroplasticity using t-fMRI presents a significant challenge. …”
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    Article
  9. 4549

    Data‐Driven Forecasting of Low‐Latitude Ionospheric Total Electron Content Using the Random Forest and LSTM Machine Learning Methods by Gebreab K. Zewdie, Cesar Valladares, Morris B. Cohen, David J. Lary, Dhanya Ramani, Gizaw M. Tsidu

    Published 2021-06-01
    “…We estimate the relative importance of 34 different parameters, including the solar flux, solar wind density, and speed the three components of interplanetary magnetic field, Lyman‐alpha, the Kp, Dst, and Polar Cap (PC) indices. …”
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    Article
  10. 4550

    What Is the Prevalence of Hip Abductor Pathology in Patients Undergoing Total Hip Arthroplasty? by David A. Brethouwer, DO, Matthew L. Brown, MD, Julie C. McCauley, MPH, William D. Bugbee, MD, Eric Y. Chang, MD, Alecio F. Lombardi, MD, Brian J. Rebolledo, MD

    Published 2025-02-01
    “…Methods: Our institution’s arthroplasty registry was queried to identify patients undergoing THA who had preoperative magnetic resonance imaging (MRI) of the hip or pelvis. …”
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    Article
  11. 4551

    A case series of patients with cardiac amyloidosis evaluated at a Colombian university hospital by Juan David López-Ponce de León, Juan David López-Ponce de León, Juan David López-Ponce de León, Santiago Granados-Álvarez, Juan Pablo Arango-Ibanez, Juan Pablo Arango-Ibanez, Juan Manuel Montero Echeverri, Andrea Alejandra Arteaga Tobar, Andrea Facio-Lince Garcia, Yorlany Rodas Cortes, Juan Esteban Gómez-Mesa, Juan Esteban Gómez-Mesa, Juan Esteban Gómez-Mesa

    Published 2025-02-01
    “…Echocardiography and cardiac magnetic resonance imaging revealed ventricular hypertrophy, diastolic dysfunction, reduced longitudinal strain, and late myocardial enhancement.ConclusionsAL and ATTRv were the most common causes of CA followed by ATTRwt. …”
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    Article
  12. 4552

    Functional Near-Infrared Spectroscopy to Probe State- and Trait-Like Conditions in Chronic Tinnitus: A Proof-of-Principle Study by Martin Schecklmann, Anette Giani, Sara Tupak, Berthold Langguth, Vincent Raab, Thomas Polak, Csanád Várallyay, Wilma Harnisch, Martin J. Herrmann, Andreas J. Fallgatter

    Published 2014-01-01
    “…In this proof-of-principle study we probed the capability of functional near-infrared spectroscopy (fNIRS) for the measurement of brain oxygenation in auditory cortex in dependence from chronic tinnitus and from intervention with transcranial magnetic stimulation. Methods. Twenty-three patients received continuous theta burst stimulation over the left primary auditory cortex in a randomized sham-controlled neuronavigated trial (verum = 12; placebo = 11). …”
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  13. 4553

    Logging Response Mechanism and Content Evaluation of Laumontite-Bearing Glutenite Reservoir: A Case Study of Lower Urho Formation of Permian of the Junggar Basin by Jia Jun, Xue Kunlin, Ni Liping, Luo Yang, Liu Yuchao

    Published 2024-01-01
    “…The presence of zeolite minerals in various states of occurrence and uneven distribution in glutenite reservoirs makes it indeterminate to interpret the well logging response characteristics such as acoustic, resistivity, radioactivity, and nuclear magnetic resonance (NMR). This poses significant challenges for the evaluation of well loggings in glutenite reservoirs containing laumontite and the determination of oil and gas reserves. …”
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  14. 4554

    Experimental Study on Mechanical Property and Pore Distribution of Limestone Specimens after Heat Treatment under Different Heating Conditions by Yujie Feng, Haijian Su, Qian Yin, Liyuan Yu, Yingchao Wang

    Published 2021-01-01
    “…Then, physical, mechanical, and nuclear magnetic resonance (NMR) tests were carried out to investigate the effect of heating conditions on the rock properties. …”
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  15. 4555

    Altitude Extension of the NCAR‐TIEGCM (TIEGCM‐X) and Evaluation by Yihui Cai, Xinan Yue, Wenbin Wang, Shun‐Rong Zhang, Huixin Liu, Dong Lin, Haonan Wu, Jia Yue, Sean L. Bruinsma, Feng Ding, Zhipeng Ren, Libo Liu

    Published 2022-11-01
    “…However, the ionospheric storm effects in TIEGCM‐X are stronger than those in NCAR‐TIEGCM and are even opposites at some middle and low latitudes due to the presence of more closed magnetic field lines. Defense Meteorological Satellite Program observations prove that the ionospheric storm effect of TIEGCM‐X is more reasonable. …”
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    Article
  16. 4556

    The Search for the Optimal Methodology for Predicting Fluorinated Cathinone Drugs NMR Chemical Shifts by Natalina Makieieva, Teobald Kupka, Oimahmad Rahmonov

    Published 2024-12-01
    “…Theoretical prediction of NMR spectra includes calculation of nuclear magnetic shieldings and sometimes also indirect spin–spin coupling constants (SSCC). …”
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  17. 4557

    Deficient Purposeful Use of Forepaws in Female Mice Modelling Rett Syndrome by Bianca De Filippis, Mattia Musto, Luisa Altabella, Emilia Romano, Rossella Canese, Giovanni Laviola

    Published 2015-01-01
    “…This was complemented by the in vivo magnetic resonance spectroscopy (MRS) analysis of metabolic profile in behaviourally relevant brain areas. …”
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  18. 4558

    Factors for Predicting Favorable Outcome of Percutaneous Epidural Adhesiolysis for Lumbar Disc Herniation by Sang Ho Moon, Jae Il Lee, Hyun Seok Cho, Jin Woo Shin, Won Uk Koh

    Published 2017-01-01
    “…Multivariate logistic regression analysis demonstrated that the presence of high-intensity zone (HIZ) at magnetic resonance imaging was a predictor of substantial response to percutaneous epidural adhesiolysis for 12 months (P=0.007). …”
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  19. 4559

    Congenital Oligodendroglioma: Clinicopathologic and Molecular Assessment with Review of the Literature by Hope Richard, Kimberly Stogner-Underwood, Christine Fuller

    Published 2015-01-01
    “…His symptoms persisted, and subsequent magnetic resonance imaging (MRI) performed at age of 7 months revealed a 2 cm contrast-enhancing left temporal lobe mass. …”
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  20. 4560

    Time-Varying Compressive Strength Model of Aeolian Sand Concrete considering the Harmful Pore Ratio Variation and Heterogeneous Nucleation Effect by Yugen Li, Huimei Zhang, Xiaoyu Liu, Guangxiu Liu, Dawei Hu, Xiangzhen Meng

    Published 2019-01-01
    “…Influence mechanism of aeolian sand on the strength of concrete was revealed by using the nuclear magnetic resonance (NMR) to analyze the pore ratio and structures of aeolian sand concrete (ASC) and using the X-ray single crystal diffraction (XRD) to calculate the relative contents of hydration products semiquantitatively. …”
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    Article