Showing 441 - 460 results of 906 for search 'mode composition (method OR methods)', query time: 0.15s Refine Results
  1. 441

    On the Formation of Solid Solutions at Thermobaric Sintering of PcBN Composites of cBN–MeN–Al and cBN–MeC–Al Systems by N.M. Bilyavyna, V.Z. Turkevych, D.A. Stratiichuk, A.M. Kuryliuk, and O.I. Nakonechna

    Published 2024-12-01
    “…Using the x-ray diffraction method, we study in detail a series of polycrystalline cubic boron nitride (PcBN) composites of the cBN–{TiN, ZrN, HfN, VN, NbN}–Al and cBN–{TiC, ZrC, HfC, VC, NbC, TaC}–Al systems (with a charge composition of 60:35:5 vol.%) sintered at high pressures and high temperatures (HPHT): 7.7 GPa, 1600–2450 °C. …”
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  2. 442

    Application and Research Progress of Surface Engineering Technology in the Field of Plastic Machinery by ZHANG Peng, SU Xiao-lei, SHAN Lei

    Published 2021-07-01
    “…Besides, it was pointed out that the composite technology of various types of surface strengthening method were the development direction to improve the plastic machinery and equipment surface quality and prolong the service life.…”
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  3. 443

    Robust Stability of Switched Interconnected Systems with Switching Uncertainties by Huanbin Xue, Xiaopeng Yang

    Published 2025-05-01
    “…Additionally, a new index, termed the generalized mode changing rate, is proposed. Building on these concepts and index, the idea of the vector Lyapunov function and average dwell time method are further incorporated to derive sufficient conditions for ensuring the robust exponential stability of the system. …”
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  4. 444

    Effective fabrication and characterization of eco-friendly nano particles composite for adsorption Cd (II) and Cu (II) ions from aqueous solutions using modelling studies by Mohammed Taha Moustafa Hussien Hamad, Sabah Ibrahim

    Published 2024-05-01
    “…The characterization of these nanocomposites involved the utilization of several analytical methods, including Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, thermal gravimetric analysis, and X-ray photoelectron spectroscopy. …”
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  5. 445
  6. 446

    Molecular mechanisms explaining sex-specific functional connectivity changes in chronic insomnia disorder by Liyong Yu, Zhifu Shen, Wei Wei, Zeyang Dou, Yucai Luo, Daijie Hu, Wenting Lin, Guangli Zhao, Xiaojuan Hong, Siyi Yu

    Published 2025-05-01
    “…Abstract Background This study investigates the hypothesis that chronic insomnia disorder (CID) is characterized by sex-specific changes in resting-state functional connectivity (rsFC), with certain molecular mechanisms potentially influencing CID's pathophysiology by altering rsFC in relevant networks. Methods Utilizing a resting-state functional magnetic resonance imaging (fMRI) dataset of 395 participants, including 199 CID patients and 196 healthy controls, we examined sex-specific rsFC effects, particularly in the default mode network (DMN) and five insomnia-genetically vulnerable regions of interest (ROIs). …”
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  7. 447

    Experimental and Numerical Study on the Performance of Steel–Coarse Aggregate Reactive Powder Concrete Composite Beams with Uplift-Restricted and Slip-Permitted Connectors under Ne... by Xuan-Yang Zhong, Liang-Dong Zhuang, Ran Ding, Mu-Xuan Tao

    Published 2024-09-01
    “…The plastic resistance moment of the beams was also compared with the calculation results using the methods introduced in Eurocode 4, and it was proved that the calculation results were lower than the experimental results by approximately 10%, which meant that the method was reliable for this kind of composite beam.…”
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  8. 448

    In Vitro Effect of the Length of Relocated Cervical Margin with Casting Post and Core, Prefabricated Fiber Post, and Polyethylene Fiber with a Composite Core on Fracture Resistance... by Naghmeh Musapoor, Hamid Neshandar Asli, Soroosh Mokhtari, Yasamin Babaee Hemmati, Mehran Falahchai

    Published 2024-01-01
    “…This study aimed to assess the effect of length of the relocated cervical margin with casting post and core (CP), prefabricated fiber post and composite core (PFP), and polyethylene fiber-reinforced composite (PEFRC) on fracture resistance and marginal integrity. …”
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  9. 449
  10. 450

    Biochemical test as an efficient system to improve safety in parenteral nutrition for premature infants by Carlota Salazar-Santander, Maria Teresa Miana-Mena, Bernardino González-de-la-Presa, Carmen López-Cabezas

    Published 2018-11-01
    “…Method: For the validation of the technique, 35 samples of parenteral nutrition without lipids were processed by the emergency laboratory, following the routine procedures used to measure the concentrations of glucose and electrolytes in plasma and urine. …”
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  11. 451
  12. 452

    Preparation, Structural and Dielectric Properties of (1-x) Pb(Zr0.52Ti0.48)O3–x BiFeO3 Composites by AHABBOUD Malika, gouitaa Najwa, Ahjyaje Fatimazahra, lamcharfi taj-dine, Abdi Farid, Haddad Mustapha

    Published 2024-12-01
    “…When the BFO content increases, the intensities of Raman modes are decreased. The SEM results suggested a formation of agglomerate and form into large complex clusters as BFO increased and a higher grain size was obtained for the BFO sample compared with the other composites. …”
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  13. 453

    Assessing the Friction and Wear Behavior of AZ91-Based Hybrid Composites Reinforced with Nano hBN/Micron TiB<sub>2</sub> Ceramic Particles Using WASPAS and ARAS Techniques by Hariharasakthisudhan Ponnarengan, Sathish Kannan, Logesh Kamaraj

    Published 2024-01-01
    “…The presence of hBN decreased the wear rate and coefficient of friction of the hybrid composites. The adhesive mode of wear mechanism was found to be operative in the composites.…”
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  14. 454

    Mechanisms and collaborative prevention and control techniques for various disasters in coal seam roofs by Kaige ZHENG, Jian ZHANG, Siqing SUN, Dongdong CHEN, Zeyang WANG

    Published 2025-05-01
    “…Accordingly, this study innovatively developed the technology system for collaborative prevention and control of multiple disasters.Results and Conclusions The results indicate that with an increase in the coal mining depth, disasters in coal seam roofs have evolved from a single mode to a composite mode consisting of gas outbursts, rock bursts, and water disasters. …”
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  15. 455

    Antibacterial efficacy of NanoCare, Fullerene (C60) activated by UV light, and Morinda Oleifera against S.Mutans and bond integrity of composite resin to caries affected dentin by Yasser F. AlFawaz

    Published 2024-02-01
    “…Oleifera), NanoCare Plus Silver Gold® (Nanocare), and Fullerene (C60) on survival rates of S.Mutans and shear bond strength (SBS) of composite to the carious affected dentin (CAD) Material and methods: Sixty mandibular molars having caries progression till the middle 1/3rd of the dentin were disinfected. …”
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  16. 456

    The effect of diffusivity on the thermal transport of colloidal nanocrystal superlattices and nanofluids by Yuchen Li, Cheng Shao, Kae-Lin Wong, Wee-Liat Ong

    Published 2025-06-01
    “…This study investigates typical nanofluids and colloidal NC superlattices found in NC-based composites. By varying the diffusivity of NCs over eight orders of magnitude, we analyzed its impact using the Green-Kubo equilibrium molecular dynamics (GK-EMD) method. …”
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  17. 457

    Comparison of fracture resistance between immediate and delayed composite restorations with or without fiber after root canal treatment: a field-emission-gun scanning electron micr... by Zeynep Buket Kaynar, Gözde Akbal Dinçer, Nazmiye Donmez

    Published 2025-02-01
    “…Background This study aimed to evaluate the fracture resistance of immediate and delayed restorations after root canal treatment (RCT). Methods Sixty human intact premolar teeth were used. …”
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  18. 458
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  20. 460

    Toughening Mechanism of CaAl<sub>12</sub>O<sub>19</sub> in Red Mud–Al<sub>2</sub>O<sub>3</sub> Composite Ceramics by Shiwei Jiang, Anmin Li, Zhengliang Wang

    Published 2024-10-01
    “…The flexural strength and fracture toughness of composite ceramics were measured by three-point bending and SENB methods. …”
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