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  1. 901

    Study on Embedded Sacrificial Anode Anti-Corrosion Technology for Existing Reinforced Concrete Structures by YANG Weilai, ZHAO Rongxin, CHEN Ning, WU Huayong, XU Ning

    Published 2025-07-01
    “…In order to address the poor applicability of existing embedded sacrificial anodes in existing reinforced concrete structures,a new type of embedded sacrificial anode applicable to existing reinforced concrete structures was developed.Indoor simulation tests were conducted to investigate the changes in steel reinforcement potential,current,and current density,as well as the corrosion product diffusion behavior of the embedded sacrificial anode in simulated concrete pore solution and in concrete components subjected to chloride salt attack.Results showed that in simulated concrete pore solution,the embedded sacrificial anode was able to fully polarize the steel reinforcement within 6 h.During the service period,the steel reinforcement potential consistently remained more negative than-780 mV,without exceeding the hydrogen evolution potential.In concrete components,the embedded sacrificial anode achieved 80%polarization of the steel reinforcement within 6 h.A single anode provided a stable output current of 0.4 mA,with a current density of 12.74 mA/m2.As the distance between the embedded sacrificial anode and the steel reinforcement measurement point increased,the polarization degree of the steel reinforcement decreased,resulting in a reduced protective effect.The maximum protection distance was determined to be 80 cm.The corrosion products of the anode exhibited diffusive behavior and were distributed as fine white particles within the mortar pores,which could reduce the risk of concrete cracking caused by the expansion of corrosion products.…”
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  2. 902

    Domain knowledge-driven decomposition-based large-scale optimization for ship cabin structures by Puyu JIANG, Jun LIU, Qiangjun LUO, Yuansheng CHENG

    Published 2025-06-01
    “…ResultsThe experimental results show that the algorithm can reduce the overall weight of the cabin structure by 43.5% compared to the upper bound. ConclusionsThe proposed algorithm has higher optimization efficiency and can obtain a better optimization solution compared to both the differential evolution algorithm directly using the using finite element method and the general black box optimization algorithm.…”
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  3. 903

    In situ photothermal catalytic cell for X-ray absorption fine structure spectroscopy measurement by Bingbao Mei, Di Shen, Yao Wei, Jingyuan Ma, Fanfei Sun

    Published 2024-12-01
    “…Understanding the intrinsic reaction dynamics and structural evolution during the photothermal catalytic process is crucial for the design of effective photothermal devices and catalysts, as well as for optimizing photothermal performance. …”
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  4. 904

    Strength and Pore Structure Development of High-Plasticity Clay Treated with MK-Blended Cement by Qian Guo, Mingli Wei, Haochen Xue, Changhui Gao, Guangyin Du

    Published 2019-01-01
    “…This paper focuses on the strength development and pore structure evolution of high-plasticity clay mixtures treated with metakaolin- (MK-) blended ordinary Portland cement (OPC). …”
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  5. 905

    A Comprehensive Review and Analysis of the Design Aspects, Structure, and Applications of Flexible Wearable Antennas by Sunaina Singh, Ranjan Mishra, Ankush Kapoor, Soni Singh

    Published 2025-01-01
    “…Additionally, solutions for SAR optimization, including the use of metamaterials, electromagnetic band gap (EBG) structures, and frequency-selective surfaces (FSSs), are discussed. …”
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  6. 906

    Integrating Sequence- and Structure-Based Similarity Metrics for the Demarcation of Multiple Viral Taxonomic Levels by Igor C. dos Santos, Rebecca di Stephano de Souza, Igor Tolstoy, Liliane S. Oliveira, Arthur Gruber

    Published 2025-04-01
    “…While primary sequences may diverge considerably, protein functional domains can maintain conserved 3D structures throughout evolution. Consequently, structural homology of viral proteins can reveal deep taxonomic relationships, overcoming limitations inherent in sequence-based methods. …”
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  7. 907

    Advancements in one-dimensional protein structure prediction using machine learning and deep learning by Wafa Alanazi, Di Meng, Gianluca Pollastri

    Published 2025-01-01
    “…The accurate prediction of protein structures remains a cornerstone challenge in structural bioinformatics, essential for understanding the intricate relationship between protein sequence, structure, and function. …”
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  8. 908

    Comparative study on the oblique water-entry of high-speed projectile based on rigid-body and elastic-plastic body model by Xiangyan Liu, Xiaowei Cai, Zhengui Huang, Yu Hou, Jian Qin, Zhihua Chen

    Published 2025-04-01
    “…To examine the similarities and differences in the evolution of cavity, wetting and dynamics of a high-speed, oblique water-entry projectile with different positive angles of attack, a comparative analysis has been conducted based on the numerical results of two mathematical models, the rigid-body model and fluid-structure interaction model. …”
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  9. 909

    Microscale Mineral and Pore Structure Characterization of the Low-Permeability Sandstone in the Ordos Basin, China by Jie Gao, Zhen Sun, Jianping Liu, Chenyang Zhao, Dazhong Ren, Rongjun Zhang, Tingting Li, Dengke Liu

    Published 2021-01-01
    “…Given the insufficient understanding of the characteristics and controlling factors of the low-permeability sandstone reservoir in the Heshui area, the Ordos Basin, the present study examined the microscale mineral and pore structure of Chang 2 reservoir. It analyzed its major controlling factors using a series of methods, including imaging and indirect methods. …”
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  10. 910

    Spatially Explicit Analysis of Landscape Structures, Urban Growth, and Economic Dynamics in Metropolitan Regions by Ioannis Vardopoulos, Marco Maialetti, Donato Scarpitta, Luca Salvati

    Published 2024-09-01
    “…Assuming that settlement morphologies and landscape structures are the result of economic transformations, the present study illustrates a statistical framework investigating metropolitan growth due to the inherent changes in landscape configurations <i>vis à vis</i> socio-demographic functions. …”
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  11. 911

    Mechanical Response of Pipeline Leakage to Existing Tunnel Structures: Insights from Numerical Modeling by Ruichuan Zhao, Linghui Li, Xiaofei Chen, Sulei Zhang

    Published 2025-05-01
    “…Pipeline leakage can induce ground surface settlements and structural responses in existing tunnels. A thorough understanding of pipeline–tunnel interactions is crucial for optimizing urban underground design and establishing construction guidelines. …”
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  12. 912

    Multifractal Methods in Characterizing Pore Structure Heterogeneity During Hydrous Pyrolysis of Lacustrine Shale by Xiaofei Liang, Qinhong Hu, Xiugang Pu, Wei Li, Qiming Wang, Mengdi Sun, Wenzhong Han

    Published 2024-11-01
    “…A strongly negative correlation between ΔD and retained hydrocarbon content, and a strongly positive correlation with gaseous hydrocarbon yield, highlight the dynamic interaction between hydrocarbon phases and pore structure evolution. This study overall provides valuable insights for petroleum generation, storage, and production.…”
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  13. 913

    THE STRUCTURE OF THE LITHOSPHERIC MANTLE OF THE SIBERAIN CRATON AND SEISMODYNAMICS OF DEFORMATION WAVES IN THE BAIKAL SEISMIC ZONE by A. A. Stepashko

    Published 2015-09-01
    “…The evolution and specific features of seismogynamics of the Baikal zones are reviewed in the context of interactions between deep deformation waves and the regional structure of the lithospheric mantle. …”
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  14. 914
  15. 915
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  17. 917

    Structure and dynamics of herbaceous layer vegetation of artificial Caragana intermedia shrublands in desert steppe by Zhao Wei, Yang Mingxiu, Chen Lin, Wang Lei, Song Naiping, Yang Xinguo

    Published 2015-11-01
    “…The objective of this study is to understand composition characteristics of herbaceous plant species and its dynamic change rules around the C. intermedia shrublands, and to reveal the structure of shrub and grass and the evolution trend of C. intermedia shrubland system.Taking natural grassland as a control, spatiotemporal substitution methods were used, and a research sequence constituted of different ages of C. intermedia shrubland plots was erected to carry out tracking, monitoring and analysis of vegetation seasonal dynamics at interior and exterior of the shrubs.The results showed that: 1) The number of natural grassland (CK) and herbaceous plant species of C. intermedia shrublands were 25 species, belonging to 8 families and 23 genera. …”
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  18. 918
  19. 919

    Elastoplastic Dynamic Analysis and Damage Evaluation of Reinforced Concrete Structures Based on Time Histories by Huangbin Lin

    Published 2025-03-01
    “…The STHDAP offers a comprehensive view of structural damage evolution in elastoplastic time histories. …”
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  20. 920

    Genotyping by sequencing reveals the genetic diversity and population structure of Peruvian highland maize races by Carlos I. Arbizu, Carlos I. Arbizu, Isamar Bazo-Soto, Joel Flores, Rodomiro Ortiz, Raul Blas, Pedro J. García-Mendoza, Ricardo Sevilla, José Crossa, Alexander Grobman

    Published 2025-02-01
    “…Previous research based on morphological descriptors, defined at least 52 Peruvian maize races, but its genetic diversity and population structure remains largely unknown. Here, we used genotyping-by-sequencing (GBS) to obtain single nucleotide polymorphisms (SNPs) that allow inferring the genetic structure and diversity of 423 maize accessions from the genebank of Universidad Nacional Agraria la Molina (UNALM) and Universidad Nacional Autónoma de Tayacaja (UNAT). …”
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