Showing 1,121 - 1,140 results of 1,900 for search '(microstructural OR microstructure) evaluation', query time: 0.13s Refine Results
  1. 1121

    Effects of superabsorbent polymer and natural zeolite on shrinkage, mechanical properties, and porosity in ultra-high performance concretes by Yuxiang Tan, Bo Li, Yung-Tsang Chen, Yifeng Ling, Weizhuo Shi

    Published 2024-12-01
    “…Moreover, SAP and zeolite additions impact mechanical properties, demonstrating that a balance between shrinkage control and compressive strength can be reached, through an optimization of the additions to achieve the desired performance. Microstructural analysis through MIP and NMR reveals increased overall porosity of the UHPC with SAP and zeolite, suggesting that low-field NMR can be a valuable tool for complementing conventional test methods. …”
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  2. 1122

    Association between plasma exosome neurogranin and brain structure in patients with Alzheimer’s disease: a protocol study by Ping Liu, Zheng Xu, Lin Tan, MengFei He, Li Sun, Wenhui Cao, Changhao Yin, Wenqiang Sun, Weina Zhao

    Published 2020-08-01
    “…The primary outcome measures will be (1) neuropsychological evaluation, including Mini-Mental State Examination, Montreal Cognitive Assessment, Clinical Dementia Rating scale, Shape Trail Test-A&B, Auditory Verbal Learning Test-HuaShan version; (2) microstructural alterations and hippocampal features from MRI scans; and (3) neurogranin levels in the neuronal-derived exosomes from peripheral blood samples.Ethics and dissemination The ethics committee of the Hongqi Hospital affiliated with the Mudanjiang Medical University of China has approved this study protocol. …”
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  3. 1123

    A new method for determining factors Influencing productivity of deep coalbed methane vertical cluster wells by HUANG Li, XIONG Xianyue, WANG Feng, SUN Xiongwei, ZHANG Yixin, ZHAO Longmei, SHI Shi, ZHANG Wen, ZHAO Haoyang, JI Liang, DENG Lin

    Published 2024-12-01
    “…The dominant factors causing productivity differences are still uncertain, which hinders productivity improvement. To further evaluate the primary factors controlling productivity, a new method for assessing productivity-influencing factors was developed, based on the production dynamic parameters of 36 vertical cluster wells and using neural networks to predict bottom-hole flowing pressure. …”
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  4. 1124

    Structure-Activity Relationship of Acrylamide Adsorption by Peptidoglycan of Lactic Acid Bacteria by Hongyu BAI, Qingbo LIU, Weiran CUI, Zhenyue TANG, Yusong ZHANG, Meili SHAO

    Published 2025-04-01
    “…Conversely, heightened PG acetylation was associated with a diminished AA adsorption rate, with respective declines of 29.62%, 34.00%, 41.96%, and 69.03%. Microstructural evaluation revealed a positive correlation between the specific surface area and pore volume of PG and the adsorption rate. …”
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  5. 1125

    AI-based image segmentation for systematic characterization of parent concrete in selective demolition by Burcu Aytekin, Patrick Holthuizen, Marija Nedeljković, Erik Schlangen, Oguzhan Copuroglu

    Published 2025-07-01
    “…Cement content ranged from 316 ± 11 kg/m³ in foundations to 390 ± 10 kg/m³ in beams, and air void content ranged significantly from 0.9 % in abutment walls to 4.3 % in foundations. Microstructural composition also differed substantially: paste volume ranged from 17 % to 27 %, and coarse aggregate content from 37 % to 52 % depending on the component. …”
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  6. 1126

    Texture analysis of T1- and T2-weighted images identifies myofiber atrophy and grip strength decline in streptozotocin-induced type 1 diabetic sarcopenia rats by Dong Xing, Fang Liu, Yufan Gao, Ziyan Fei, Yunfei Zha

    Published 2025-02-01
    “…Early and noninvasive evaluation of muscle microstructural damage is critical for managing sarcopenia in diabetes. …”
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  7. 1127

    Impact of graphene nanoparticles on DLP-printed parts' mechanical behavior by Md Imran Hossain, Ola L.A. Harrysson, Mohammad Asaduzzaman Chowdhury, Nayem Hossain

    Published 2025-05-01
    “…This research delves into evaluating and comparing different properties, including microstructure, surface texture, and mechanical behavior, of resin-based polymer composites fabricated using the DLP 3D printing technology. …”
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  8. 1128

    Fracturing in 14MoV6-3 Steel Weld Joints—Including Base Metals—After a Short Time in Service by Esmail Ali Salem Ahmed, Nenad Radović, Dragomir Glišić, Stefan Dikić, Nikola Milovanović, Mirjana Opačić, Jasmina Lozanović

    Published 2025-04-01
    “…The weldments were tested by means of microstructure and tensile testing. The results showed that in all weldments, a fracture occurred in the base metal. …”
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  9. 1129

    Research on the mechanism of the two-dimensional ultrasonic surface burnishing process to enhance the wear resistance for aluminum alloy by Zhen-Yu Zhou, Qiu-Yang Zheng, Yu Li, Cong Ding, Guang-Jian Peng, Zhong-Yu Piao

    Published 2023-12-01
    “…The mechanical properties and microstructure characterization for the gradient nanostructure are performed by operating a nanoindenter, transmission electron microscopy (TEM), and electron backscattered diffraction (EBSD). …”
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  10. 1130

    Evolution of Crystallographic Texture, Grain Growth and Corrosion Resistance of an SAE 1075 Steel Subjected to Different Thermomechanical Treatments by Francisco Felipe de M. Fideles, Mauro Andres C. Florez, Walney Silva Araújo, Jorge Luiz Cardoso, Marcos Natan da S. Lima, Pedro Henrique P. Lima, Samille Kricia B. Lima, Leonardo Henrique A. Mendes, Luís Flávio G. Herculano, Caio Victor P. Pascoal, Ivo Fernandes Tavares, Hamilton Ferreira G. de Abreu

    Published 2025-08-01
    “…After evaluating their microstructures and noticing significant changes in their crystallographic textures, through SEM/EBSD techniques such as Cube, Goss and Brass components, these samples were subjected to electrochemical tests to evaluate their corrosion resistance in a synthetic seawater solution, highlighting the highest polarization resistance for the Goss component and family of plans {011}. …”
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  11. 1131

    Effect of CGP on sliding wear resistance of low-carbon steel sheet by Mohammad Reza Shahi Anhar, Mohsen Kazeminezhad

    Published 2025-08-01
    “…The effect of constrained groove pressing (CGP) on microstructure and mechanical properties of low-carbon steel sheet has been investigated; however, its wear resistance has not been considered. …”
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  12. 1132

    Investigation of Using the IL-FSSW Technique to Weld AA5052-H112 Alloy with Copper: Experimental Study by Kareem Abbas Falih, Isam Jabbar Ibrahim, Sabah Khammass Hussein, Salah Mezlini

    Published 2023-12-01
    “…In addition, the work is based on the use of solid-state welding to eliminate the problems of conventional fusion welding methods, and this reduces the additional operations or subsequent treatments of welding and makes them unnecessary. The work was evaluated by examining the tensile shear strength and analysing the microstructure using light microscopy. …”
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  13. 1133

    Research on advanced interconnection processes for SiC power device by DU Longchun, HE Yong, LIU Hongwei, LIU Xiaopeng

    Published 2023-07-01
    “…In addition, temperature shock tests were conducted on the samples, to investigate the influence of temperature shock on silver sintering in terms of microstructure and shear strength, as well as the copper wire bonding strength. …”
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  14. 1134
  15. 1135

    Effect of Gamma and electron beam irradiation on PAN-carbon fiber composite by Reza jafari

    Published 2016-09-01
    “…Scanning electron microscopy was used to evaluate microstructural behavior. Thermal behavior of the samples was studied by thermogravimetric analysis and differential scanning calorimetry. …”
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  16. 1136

    White Matter Imaging Phenotypes Mediate the Negative Causality of Mitochondrial DNA Copy Number on Sleep Apnea: A Bidirectional Mendelian Randomization Study and Mediation Analysis by Ying Q, Wang M, Zhao Z, Wu Y, Sun C, Huang X, Zhang X, Guo J

    Published 2024-12-01
    “…Among 3935 BIPs, two features related to white matter microstructure served as partial mediators: the second eigenvalue from diffusion MRI data analysed by tract-based spatial statistics in the right posterior thalamic radiation, with a mediation proportion of 11.37% (P = 0.0450), and fractional anisotropy in the right sagittal stratum, with a mediation proportion of 12.79% (P = 0.0323).Conclusion: This study demonstrated a causal relationship between mtDNA-CN and SA, with specific brain white matter microstructure phenotypes potentially acting as mediators. …”
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  17. 1137

    Crystalline plasticity in isotactic polypropylene below and above the glass transition temperature by G. Polt, F. Spieckermann, H. Wilhelm, Ch. Fischer, E. Schafler, S. Bernstorff, M. Zehetbauer

    Published 2015-10-01
    “…The diffraction patterns were evaluated by the Multi-reflection X-ray Profile Analysis (MXPA) method, revealing microstructural parameters such as the density of dislocations and the size of coherently scattering domains (CSD-size). …”
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  18. 1138

    Wear Characteristics of Spark Plasma Sintered Lightweight High Entropy Alloys: A Short Review by Kazeem Oladiti Sanusi, Nicholus Malatji, Mxolisi Brendon Shongwe, Samson Olaitan Jeje, Lehlogonolo Rudolf Kanyane

    Published 2025-06-01
    “…The influences of spark plasma sintering (SPS) on microstructure and mechanical characteristics are analyzed. …”
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  19. 1139

    Diffusion Tensor Imaging of the Auditory Pathway in Prelingual Deaf Children in Comparison to Normal Hearing Children in the 1 to 7 Years of Age Group by John K. Joy, Subhash Kumar, Kranti Bhavana, Pradeep Kumar, Arun Srinivaasan, Mala Mahto

    Published 2025-04-01
    “… Objective This article aims to determine the microstructural alterations in the auditory pathway in prelingual deaf children using diffusion tensor imaging (DTI)-derived parameters—fractional anisotropy (FA) and apparent diffusion coefficient (ADC), and secondarily to evaluate these changes in rubella and cytomegalovirus (CMV) positive cases.…”
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  20. 1140

    Sustainable Polyurethane-Based Polymer Concrete: Mechanical and Non-destructive Properties with Machine Learning Technique by S. I. Haruna, Han Zhu, Yasser E. Ibrahim, Jian Yang, AIB Farouk, Jianwen Shao, Musa Adamu, Omar Shabbir Ahmed

    Published 2025-08-01
    “…Moreover, scanning electron microscopy (SEM) was employed to evaluate the microstructure of PUC. Feature selection tools were used to explore optimal input variables for estimating the (f c) of the PUC samples. …”
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