Showing 2,521 - 2,540 results of 2,557 for search '(functional OR function) gradient', query time: 0.17s Refine Results
  1. 2521

    The Global Element Method for Three- Dimensional Potential Problems by Xinrong Li, Chao Zhang, Yaoming Zhang

    Published 2025-01-01
    “…Conventional methods typically require discretizing the boundary into numerous local elements to approximate boundary functions, whereas the GEM adopts a novel strategy: it selects the largest possible portion of the boundary as the integration element, thereby avoiding the cumbersome discretization process. …”
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  2. 2522

    Cells in the 3D biomatrix on-chip: better mimicking the real micro-physiological system by Michele D’Orazio, Joanna Filippi, Gianni Antonelli, Giorgia Curci, Paola Casti, Arianna Mencattini, Gianluca Cidonio, Eugenio Martinelli

    Published 2024-10-01
    “…This review wants to fill this gap, by systematically analysing the matrix characteristics that guide cell functions including differentiation, proliferation, migration, and homing. …”
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  3. 2523

    Enhanced intelligent train operation algorithms for metro train based on expert system and deep reinforcement learning. by Yunhu Huang, Wenzhu Lai, Dewang Chen, Geng Lin, Jiateng Yin

    Published 2025-01-01
    “…On the basis of EITOE, we propose EITOP algorithm using the PPO algorithm to optimize multiple objectives by designing reinforcement learning strategies, rewards, and value functions. We also develop the double minimal-time distribution (DMTD) calculation method in the EITO implementation to achieve longer coasting distances and further optimize the energy consumption. …”
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  4. 2524

    Socio-ecological dynamics of Andean treelines in the 21st century by Gwendolyn Peyre, Enrique Zuñiga, Andrea Cornejo Paredes, Aremi Paja Medina, Jose Alfredo Sulla Torres, Manuel Zúñiga Carnero, Karina Rosas Paredes

    Published 2025-07-01
    “…Moreover, human influence has transformed treeline areas for millenia, by affecting their position, composition and ecological functions. Agriculture, livestock grazing and fires are primarily responsible for stalling many Andean treelines in their upslope migration today. …”
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  5. 2525

    Bioinspired composite structures: A comprehensive review of natural materials, fabrication methods, and engineering applications by M A Shadab Siddiqui, M S Rabbi, Radif Uddin Ahmed, Fahad Alam, M A M Hossain, Shamim Ahsan, Nur Mohammad Miah

    Published 2025-07-01
    “…Inspired by these biological composites, advanced synthetic materials with improved strength, toughness, and functionality have been developed. This review highlights the multifaceted approaches to creating scaffolds that mimic extracellular matrix (ECM) and tissue hierarchies across multiple length scales. …”
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  6. 2526

    Living photosynthetic micro/nano-platforms: Engineering unicellular algae for biomedical applications by Jian Wang, Haozhe Li, Qiangfei Su, Jingwei Liu, Kang Li, Zheng Wang, Lin Wang

    Published 2025-09-01
    “…As autotrophic biosystems, unicellular algae uniquely possess multi-functions, including oxygen generation, dynamic motility, fluorescence imaging, and programmable biosynthesis. …”
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  7. 2527

    Exploration of the ecology and ex-situ conservation of Betula utilis D. Don: Insights from topography, edaphic factors, and nursery management practices by P.A. Sofi, T.H. Masoodi, Nazir A. Pala, Muhammad Waheed, Saud Alamri, Shaista Khan, Khaled A. Alakeel, Shiekh Marifatul Haq, Rainer W. Bussmann

    Published 2024-12-01
    “…The global mean temperature is rising at an unprecedented rate, and the investigation of ecosystem functioning and phenological events offered some of the most compelling evidence for the impact of these changes on plant species in alpine regions. …”
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  8. 2528

    Blood-cerebrospinal fluid (CSF) barrier dysfunction means reduced CSF flow not barrier leakage - conclusions from CSF protein data by Hansotto REIBER

    “…Serum protein concentrations in lumbar CSF increase with hyperbolic functions, but the levels of proteins that do not pass the barrier remain constant (brain proteins) or increase linearly (leptomeningal proteins). …”
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  9. 2529

    Dietary Flexibility of Calanoid Copepods in the Sub‐Arctic Atlantic: The Role of Protistan Microzooplankton by Elliott Price, Claire Mahaffey, Rowena Stern, Claudia Castellani, Rachel M. Jeffreys

    Published 2025-03-01
    “…Trophic position (TP) is an important metric because it identifies the location of an organism within a food web and therefore provides insight on food web functioning. Using nitrogen isotopes of amino acids in copepods, we investigated how the food web baseline and TP of the keystone Calanus species change in response to environmental gradients along the Barents Sea Opening in summer between 2010 and 2016. …”
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  10. 2530

    phylospatial: An R package for spatial phylogenetic analysis with quantitative community data by Matthew M. Kling

    Published 2025-06-01
    “…I illustrate the package's functionality with worked examples using a dataset comprising a phylogeny and modelled occurrence probabilities for 5200 species of California plants. …”
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  11. 2531

    Development of 6D Electromagnetic Actuation for Micro/Nanorobots in High Viscosity Fluids for Drug Delivery by Maki K. Habib, Mostafa Abdelaziz

    Published 2025-04-01
    “…Additionally, three orthogonal pairs of Maxwell coils generate uniform magnetic field gradients, enabling efficient propulsion in dynamic 3D fluidic environments in real time. …”
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  12. 2532

    The temporal and spatial evolution law of seepage parameters in the filter based on the CFD-DEM coupled flow-solid approach by Song Jingyu, Dang Faning, Gao Jun, Zhu Wuwei, Yao Yi

    Published 2025-07-01
    “…Abstract Filters are critical components of hydraulic structures such as earth-rock dams and tailings dams, functioning to prevent soil particle loss and control phreatic levels. …”
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  13. 2533

    A Newmark Integral Method in Nonhomogeneous Materials With Parallel Cracks Based on Hyperbolic Heat Conduction by Yanyan Zhang, Tao Zheng, Liangzhong Ao, Shanqiao Huang, Zengtao Chen

    Published 2025-01-01
    “…Then the time-related temperature field of functionally graded material (FGM) plate under strong transient thermal shock is analyzed. …”
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  14. 2534

    Socioeconomic Inequity in Access to Medical and Long-Term Care Among Older People by Shohei Okamoto, Atsuhiro Yamada, Erika Kobayashi, Jersey Liang

    Published 2025-01-01
    “…Conclusion Improving the understanding of available resources and strengthening the functions of health centres and communities are required to detect the needs of citizens and facilitate their access to necessary care.…”
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  15. 2535

    Humidify Feedback of Wetland Changes in the China Side of the Heilongjiang River Basin by Zihan Xing, Yansu Bo, Fudong Yu, Yadi Yang, Yongxing Ren, Xiaoyan Li

    Published 2025-07-01
    “…Understanding how wetland changes affect near-surface humidity is essential for evaluating their climate-influencing functions, especially in mid- and high-latitude regions. …”
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  16. 2536

    Audio-visual perception of 3D cinematography: an fMRI study using condition-based and computation-based analyses. by Akitoshi Ogawa, Cecile Bordier, Emiliano Macaluso

    Published 2013-01-01
    “…The use of naturalistic stimuli to probe sensory functions in the human brain is gaining increasing interest. …”
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  17. 2537

    Iron Snails: Nonequilibrium Dynamics and Spiral Abundance Patterns by Neige Frankel, David W. Hogg, Scott Tremaine, Adrian Price-Whelan, Jeff Shen

    Published 2025-01-01
    “…However, stellar labels such as metallicity, or other element abundances, or stellar masses and ages, can be measured even in the face of complex or unknown spatial selection functions. We show that if the equilibrium galaxy has phase-space gradients in these labels, any perturbation that could raise a spiral wave in the phase-space density will raise a spiral wave in the distribution of labels as well. …”
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  18. 2538

    Whole Genome Sequencing Reveals Clade‐Specific Genetic Variation in Blacklegged Ticks by Jacob Cassens, Adela S. Oliva Chávez, Danielle M. Tufts, Jianmin Zhong, Christopher Faulk, Jonathan D. Oliver

    Published 2025-02-01
    “…Applying evolutionary analyses to molecular variation in natural tick populations across ecological gradients will help identify signatures of local adaptation, which will improve control and mitigation strategies. …”
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  19. 2539

    Transmitted Light Measurement to Determine the Local Structural Characteristics of Paperboard: Grammage, Thickness, and Fiber Orientation by Cedric W. Sanjon, Yuchen Leng, Marek Hauptmann, Peter Groche, Jens-Peter Majschak

    Published 2024-12-01
    “…Various distribution functions are compared, and the Pearson Type 3, log-normal, and gamma distributions are found to most accurately describe the grammage, thickness, and fiber orientation distributions. …”
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  20. 2540

    Multifeature Fusion for Enhanced Content-Based Image Retrieval Across Diverse Data Types by Punit Soni, Mandeep Singh, Purushottam Sharma, Tajinder Kumar, Xiaochun Cheng, Rajender Kumar, Mrinal Paliwal

    Published 2025-01-01
    “…Key characteristic descriptors, along with SIFT, SURF, HOG, texture, and multicharacteristic combinations, were extracted for retrieval functions. The results display that the usage of the Hausdrauff distance as a similarity degree outperforms Euclidean distance, accomplishing retrieval accuracies of 80.02% for HOG, 77.9% for SIFT, 79. 8% for SURF, 77.2% for texture, and 84.2% for multicharacteristic combinations, surpassing Euclidean distance results via 1.7%–3.6% across capabilities. …”
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