Showing 9,721 - 9,740 results of 9,964 for search '(microstructur OR (microstructural OR (microstructural OR (microstructuree OR microstructuree))))', query time: 0.20s Refine Results
  1. 9721

    Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue by Lotfi Ben Tahar, Mustafa Jaip Allah Abd Elmageed Abualreish, Adel Noubigh

    Published 2024-01-01
    “…The as-produced samples and their associated calcined corresponding ones in the range of 400–800 °C were systematically characterized for their structure and microstructure using different techniques. For the expected best candidate for the MB removal, the pure NiZn nanoferrite (optimized parameters: Fuel=Urea; pH=5; [Fe3+]:0.025 M; Total nitrate to fuel molar ratio=8/6.66) consists of ultrasmall nanocrystals with an average crystallite size of ∼4 nm. …”
    Get full text
    Article
  2. 9722

    XRD Peak Profile Analysis of SiC Reinforced Al2O3 Ceramic Composite Synthesized by Electrical Resistance Heating and Microwave Sintering: A Comparison by Madhan Mohankumar, S. Praveen Kumar, B. Guruprasad, Sreekanth Manavalla, Joshua Stephen Chellakumar Isaac JoshuaRamesh Lalvani, P. L. Somasundaram, P. Tamilarasu, Prakash Singh Tanwar

    Published 2021-01-01
    “…Experiments with both samples showed that the existence of the α-Al2O3 and β-SiC phases in both samples was verified by the findings of XRD pattern on both samples. Microstructure study illustrates that the Al2O3 matrix particles have spherical-like shape and their average matrix particle size is 67 ± 5 nm for electrical resistance heating sintered sample and 38 ± 5 nm for microwave sintered sample. …”
    Get full text
    Article
  3. 9723

    TiO<sub>2</sub> Decorated onto Three-Dimensional Carbonized Osmanthus Fragrans Leaves for Solar-Driven Clean Water Generation by Yali Ao, Li Wang, Lin Yang, Chengjie Duan, Qizhe Gui, Songyun Cui, Shutang Yuan, Jiaqiang Wang

    Published 2025-03-01
    “…In this study, TiO<sub>2</sub> composites exhibiting excellent stability, high solar absorption, porous microstructure, and hydrophilic surfaces were identified as effective materials for SSG and water purification for the first time. …”
    Get full text
    Article
  4. 9724

    Phase Transition Behavior and Mechanical Properties of 9 Mol% CaO-PSZ with MnO<sub>2</sub> Doping Under Thermal Stress by Janghoon Kim, Jong-jin Kim, Kanghee Jo, Hwanseok Lee, Heesoo Lee

    Published 2025-07-01
    “…MnO<sub>2</sub>-doped 9 mol% CaO-stabilized zirconia (CSZ) was investigated in terms of phase stability, microstructure, and mechanical properties before and after thermal cycling. …”
    Get full text
    Article
  5. 9725

    Impacts of metakaolin and fly ash on the performance of cement-based grouting materials in anchoring engineering by Zhiyuan CHENG, Junpeng YANG, Wei XUE, Daidong WEI, Yimin WANG

    Published 2025-06-01
    “…The XRD and SEM analyses indicate that metakaolin and fly ash exhibited significant synergistic effects when mixed into the ternary mixtures, as evidenced by a faster hydration rate, a more even distribution of hydration products, and a denser microstructure. The results of this study provide a scientific basis for enhancing the performance of cement-based grouting materials by using metakaolin and fly ash as admixtures, offering a valuable reference for the design and applications of grouting materials in anchoring engineering.…”
    Get full text
    Article
  6. 9726
  7. 9727
  8. 9728

    Performance Degradation Law and Model Construction of Hydraulic Concrete Under Freeze-Thaw Cycles: A Comprehensive Review by Xiangyi Zhu, Xiaohe Zhou, Yuxuan Xia, Xudong Chen

    Published 2025-05-01
    “…By capitalizing on the resultant microstructure, a more accurate predictive model can be established. …”
    Get full text
    Article
  9. 9729

    Accelerating phase field simulations through a hybrid adaptive Fourier neural operator with U-net backbone by Christophe Bonneville, Nathan Bieberdorf, Arun Hegde, Mark Asta, Habib N. Najm, Laurent Capolungo, Cosmin Safta

    Published 2025-01-01
    “…Most notably, our model reproduces the key microstructure statistics and QoIs with a level of accuracy on par with the high-fidelity numerical solver, while achieving a significant 11, 200 × speed-up on a high-resolution grid when comparing the computational expense per time step. …”
    Get full text
    Article
  10. 9730

    The influence of brood chickens by-products processing with probiotic culture starter on change of their functional and technological parameters. by O. V. Zinina, S. P. Merenkova, K. S. Gavrilova, M. B. Rebezov, D. A. Utyanov, A. S. Knyazeva

    Published 2021-10-01
    “…Also the stained histological preparations were studied in order to assess the influence of biotechnological processing on by-products microstructure, where significant differences were found in the morphological structure of muscle and collagen fibers of hydrolysates of combs and gizzards exposed to action of bacterial concentrate. …”
    Get full text
    Article
  11. 9731

    Developing an Algorithm for Detecting Suspicious Trades in Tehran Stock Exchange Based on Spoof Trading Model by Reza Tehrani, Saeed Fallahpour, Hamid Nouralidokht

    Published 2023-03-01
    “…More specifically, this paper studies manipulated stocks by looking at market microstructure (intraday transactions) and aims to introduce an algorithm for detecting suspicious trades so that regulators can detect them beforehand. …”
    Get full text
    Article
  12. 9732

    Intravoxel incoherent motion and diffusion kurtosis imaging for subtype differentiation in salivary gland tumors: a diagnostic performance study by Jinru Yu, Huimin Huang, Jiawen Gao, Han Zhang, Shuo Shao, Ning Zheng

    Published 2025-08-01
    “…Conclusion IVIM and DKI synergistically enhance the preoperative differentiation of SGT subtypes by quantifying tumor microstructure and perfusion. Combined parameters outperform individual metrics, offering a non-invasive tool to guide clinical decision-making.…”
    Get full text
    Article
  13. 9733
  14. 9734

    Tolerancia al daño inducido bajo solicitaciones de contacto cíclicas en carburos cementados WC-Co//Tolerance induced damage under cyclic contact loading of WC-Co cemented carbides... by David Coureaux‐Mustelier, Anna Ingebrand, Alexey Goéz‐Úsuga, Luís Miguel Llanes‐Pitarch

    Published 2014-01-01
    “…In this context, in this<br />paper the influence of extrinsic damage on the residual strength of two grades with different microstructures is evaluated. With this purpose, a spherical indentation technique is employed as a means for generating a controlled damage. …”
    Get full text
    Article
  15. 9735

    Deep learning for property prediction of natural fiber polymer composites by Ivan P. Malashin, Dmitry Martysyuk, Vladimir Nelyub, Aleksei Borodulin, Andrei Gantimurov, Vadim Tynchenko

    Published 2025-07-01
    “…For example, Li et al. (2023) achieved an $$R^2>0.96$$ for predicting stiffness tensors of carbon fiber composites using a hybrid CNN–MLP model trained on microstructure images and two-point statistics. Aligning with this approach, Xue et al. (2023) compared DNN performance with genetic programming and minimax probability machine regression in predicting the lateral confinement coefficient for CFRP-wrapped RC columns, showing competitive predictive capability. …”
    Get full text
    Article
  16. 9736

    Designing multivalent NiMn-based layered nanosheets with high specific surface area and abundant active sites for solid-state hydrogen storage in magnesium hydride by Tao Zhong, Tian Xu, Liuting Zhang, Fuying Wu, Yiqun Jiang, Xuebin Yu

    Published 2025-01-01
    “…Even at a low operating temperature of 235 °C, the modified system was still able to release 4.44wt% H2 in an hour, which has rarely been reported in previous studies. Microstructure observations and density functional theory calculations revealed that first, the hydrogen pumping effect of Mg2Ni/Mg2NiH4 promotes the adsorption and desorption of hydrogen molecules on the surface of MgH2, second, MnOx drew electrons from Mg2Ni, producing a new Density of State structure with a lower d-bond center. …”
    Get full text
    Article
  17. 9737

    Morphological Features and Physicochemical Properties of Starches from Six Wheat Varieties in Yuncheng, Shanxi Province by Lihong FU, Yingying CHANG, Rundong XU, Ziting YANG, Yun'e GUO, Hongyu YANG

    Published 2025-05-01
    “…Six kinds of specialty wheat starches were used to analyze the morphological features and physicochemical properties by scanning electron microscopy, fourier transform infrared spectrometer, X-ray diffractometer, differential scanning calorimeter and rapid visco analyser. The microstructure of starches included amylose content, amylopectin content, morphology, particle size, crystallinity and short-range ordering. …”
    Get full text
    Article
  18. 9738

    A Multi-Scale Investigation of Sandy Red Clay Degradation Mechanisms During Wet–Dry Cycles and Their Implications for Slope Stability by Wei Xie, Zhenguo Liu, Zhigang Kong, Lu Jing, Rui Xiao

    Published 2025-04-01
    “…Concurrently, the relative expansion rate (<i>δ<sub>r</sub></i>) and relative shrinkage rate (<i>η<sub>r</sub></i>) gradually declined. (2) At the microscale, wet–dry cycles induced significant changes in the microstructure, characterized by increased particle rounding, disrupted stacked aggregates, altered inter-particle contacts, enlarged and interconnected pores, increased number of pores, and a reduction in clay mineral content. (3) At the mesoscale, cracks initiated and propagated. …”
    Get full text
    Article
  19. 9739

    Wettability of the Plant Growth Regulator 28-HB on Pepper Leaves at Different Developmental Stages by Xiaoya Dong, Kaiyuan Wang, Zhouming Gao, Cuicui Zhu, Xianping Guan, Baijing Qiu

    Published 2025-06-01
    “…In this study, the wetting behavior of the plant growth regulator 28-homo-brassinolide (28-HB), supplemented with different surfactants, was investigated on the adaxial and abaxial surfaces of pepper leaves at the seedling, early flowering, and fruiting stages. The microstructure of the leaf surface was characterized using an ultra-depth field microscope. …”
    Get full text
    Article
  20. 9740

    Tectonometamorphic evolution of a subduction plate interface at the base of the Mirdita Ophiolite (Bajram Curri, northeastern Albania) by Madeline Richter, Kilian Pollok, Kujtim Onuzi, Kamil Ustaszewski

    Published 2025-02-01
    “…All metamorphic sole lithologies were overprinted at lower greenschist-facies conditions, reflecting their exhumation from intraoceanic subduction. Corresponding microstructures indicate mineral growth at isotropic stresses, suggesting that deformation migrated into structurally lower, frontally accreted non-metamorphic units of the sub-ophiolitic mélange marking the start of obduction onto the passive Adriatic margin. …”
    Get full text
    Article