Search alternatives:
variational » variations (Expand Search)
method » methods (Expand Search)
Showing 2,901 - 2,920 results of 3,710 for search 'Variational integration method', query time: 0.17s Refine Results
  1. 2901

    Genetic Algorithm-Optimized Diode-Based Temperature Control Actuation System by Yajie Huang, Donglai Zhang, Xueli Zhu, Anshou Li, Yi Wang

    Published 2025-01-01
    “…Temperature fluctuations can significantly affect the performance of high-precision electronic equipment, necessitating robust temperature control methods. By integrating series diodes into the temperature control system alongside the traditional proportional-integral-differential (PID) control mode, precise regulation of high-precision component temperatures in power supplies was achieved. …”
    Get full text
    Article
  2. 2902

    A Pharmacokinetic Model Determination of Time Activity Curves in Radiopharmaceutical Therapy by Joseph Steiner, Brandon Nguyen, Farhad Jafari

    Published 2024-09-01
    “…Introduction and Purpose Radiopharmaceutical therapy (RPT) dosimetry can be challenging to perform due to sparse data measurements and variations in how the time activity curve (TAC) is determined. …”
    Get full text
    Article
  3. 2903

    Multistation Wind Speed Forecasting Based on Dynamic Spatiotemporal Graph Convolutional Networks by Jianhong Gan, Runqing Kang, Xun Deng, Chentao Mao, Zhibin Li, Peiyang Wei, Chunjiang Wu, Tongli He

    Published 2025-01-01
    “…Meanwhile, wind speed data inherently include short-term high-frequency fluctuations and long-term low-frequency trends, which traditional methods struggle to adapt to and accurately capture multiscale features. …”
    Get full text
    Article
  4. 2904

    The role of media and community engagement in COVID-19 vaccinations in Tanzania by Ambrose T. Kessy, Chima E. Onuekwe, William M. Mwengee, Haonga Tumaini

    Published 2025-04-01
    “…Setting: The study was conducted in Tanzania across eight purposively selected regions that encompass a broad spectrum of socio-cultural contexts and infrastructural variations. Methods: A mixed-methods approach was employed, combining quantitative surveys (N = 3098), qualitative interviews and focus group discussions (N = 30) across eight regions. …”
    Get full text
    Article
  5. 2905

    Bridging the gap in sustainable radiography: insights from five countries in Asia and Africa by Mohamed Abuzaid, Nora Almuqbil, Christian Ven Emery, Wiam Elshami, Manal Ibham, Naifah Alsubaie, Zuhal Hamd, Mohamed Aljamal

    Published 2025-03-01
    “…Abstract Introduction Sustainability in healthcare, particularly in medical imaging, is increasingly important as healthcare operations contribute significantly to global emissions. Radiographers, as integral members of imaging departments, play a vital role in implementing sustainable practices. …”
    Get full text
    Article
  6. 2906

    The role of gut microbiome in colorectal cancer development: a comprehensive analysis based on metabolomics and immunomodulatory mechanisms by Yichi Xu, Bo Wen, Shu Liu

    Published 2025-07-01
    “…Consequently, there is a pressing need for further in-depth research into the pathogenesis of colorectal cancer, as well as the exploration of potential methods for early diagnosis and precise treatment. …”
    Get full text
    Article
  7. 2907

    A lightweight context-aware framework for toxic mushroom detection in complex ecological environments by Zhanchen Wei, Jiali Wang, Haohai You, Ruiqing Ji, Fude Wang, Lei Shi, Helong Yu

    Published 2025-12-01
    “…The accidental proliferation of toxic mushrooms in natural ecosystems poses risks to both biodiversity and human activities in forested regions. Existing detection methods struggle with three key challenges in environmental monitoring: (1) poor discrimination of morphologically similar species in wild habitats, (2) high computational costs limiting deployment in resource-constrained field settings, and (3) performance degradation under ecological variations such as weather changes and terrain complexity. …”
    Get full text
    Article
  8. 2908

    Dynamic feed scheduling for optimised anaerobic digestion: An optimisation approach for better decision-making to enhance revenue and environmental benefits by Meshkat Dolat, Rohit Murali, Mohammadamin Zarei, Ruosi Zhang, Tararag Pincam, Yong-Qiang Liu, Jhuma Sadhukhan, Angela Bywater, Michael Short

    Published 2024-12-01
    “…The model includes methods for optimal feed co-digestion strategies and integrates these results into a scheduling model to identify the optimal feedstock acquisition, feeding pattern, and potential gas storage operation considering feedstock availability, properties, sustainability, and fluctuating gas demand under different pricing variations.The methodology was tested on a 150 tonnes per day farm-scale AD plant in the UK, processing energy crops and manure considering both environmental (global warming potential) and economic objectives. …”
    Get full text
    Article
  9. 2909

    Research on Lateral Vibration and Load Sensitivity Reductions for Large-Scale Complex Nonconservative Systems Using Rigid-Flex Coupling Simulation Technique by Qi-bin Wang, Xing-jia Xu, Si-yang Piao, Chun-ge Nie, Qiu-ze Li, Ming-wei Piao

    Published 2024-01-01
    “…Since two uncertain influences of wheel spin dissipation are caused by wheelset yaw oscillations and alternative load path variation due to nonstatically determined systems or redundant components/constraints, preliminary achievements of self-adaptive improved design make wheel–rail matching returns to rational conditions, managing and maintaining better data integrity of high-speed wheel–rail contact. …”
    Get full text
    Article
  10. 2910

    Recognition of spatial distribution of convergence fluctuation of VIMFC vertical cumulative moisture on Iran’s atmosphere during 1979-2013 by Farshad Pazhoh, mehry akbary, Mohammad Darand

    Published 2021-09-01
    “…In order to achieve VIMFC spatial variations on Iran, spatial self-correlation methods   of globular moron and hot spots used at 90, 95, 99 and 99/99 percent significance levels. …”
    Get full text
    Article
  11. 2911

    Comprehensive multi-omics analysis of tandem duplicator phenotypes in non-small cell lung cancer by Jie Li, Xinyan Pan, Yanting Bi, Jian Huang, Jun Peng, ChunLing Bai, Jianhong Hou, Yang Chen

    Published 2025-06-01
    “…IntroductionThe Tandem Duplicator Phenotype (TDP) is a prominent genomic metric prevalent in non-small cell lung cancer (NSCLC).MethodsMulti-omics samples including DNA copy number, transcriptomics, somatic single-nucleotide variations, clinical data, and cell-line drug sensitivity from TCGA and CCLE are delved into TDP characteristics.ResultsOur thorough analysis reveals that patients with smaller span sizes TDP have a more intricate genome, moderate pathology, enhanced therapeutic response, favorable prognosis, a more active immune system, and higher drug sensitivity. …”
    Get full text
    Article
  12. 2912

    Public participation in mental health programming: insights into the ways young people are involved in the development, delivery, and evaluation of mental health initiatives in sch... by Sarah Dolaty, Emily Midouhas, Jessica Deighton, Matthew P. Somerville

    Published 2025-12-01
    “…This study applied Davies’s (2009) Matrix Model to categorize 76 mental health participation activities across six local authorities in England. Findings reveal variations in youth influence and decision-making across participation methods, outlining key characteristics, aims, and features as reported by professional stakeholders. …”
    Get full text
    Article
  13. 2913

    Pine Wilt Disease Monitoring Using Multimodal Remote Sensing Data and Feature Classification by Xin Ye, Hanwen Yu, Yan Yan, Tieming Liu, Yan Zhang, Taoli Yang

    Published 2025-01-01
    “…However, existing AI-based methods typically rely on high-resolution optical images (e.g., satellite or unmanned aerial vehicle images), which are vulnerable to environmental factors such as clouds and fog, posing challenges for practical applications. …”
    Get full text
    Article
  14. 2914
  15. 2915

    Spatiotemporal evolution and multi-scenario simulation of the land-use cover change and habitat quality in arid and semi-arid areas: a case study of the urban agglomeration along t... by Tianle Ma, Wenhao Cheng, Wenxuan Yao

    Published 2025-08-01
    “…Land-use datasets spanning 2010, 2015, and 2020 were analyzed through the integrated application of the future land-use simulation (FLUS) model and the integrated valuation of ecosystem services and trade-offs (InVEST) model, supplemented by multiple analytical indicators, resulting in LUCC patterns and HQ variations being investigated within the urban agglomeration along the Yellow River in Ningxia, China. …”
    Get full text
    Article
  16. 2916

    Developing the Digital Health Communication Maturity Model: Systematic Review by Grace Jeonghyun Kim, Kang Namkoong

    Published 2025-04-01
    “… BackgroundDigital health has become integral to public health care, advancing how services are accessed, delivered, and managed. …”
    Get full text
    Article
  17. 2917

    Time-Series Image-Based Automated Monitoring Framework for Visible Facilities: Focusing on Installation and Retention Period by Seonjun Yoon, Hyunsoo Kim

    Published 2025-01-01
    “…The results demonstrate that the system achieves an average detection accuracy of 94.1%, effectively identifying discrepancies and reducing misclassifications caused by structural similarities and environmental variations. To further enhance detection reliability, methods such as color differentiation, construction plan overlays, and vertical segmentation were implemented, significantly improving performance. …”
    Get full text
    Article
  18. 2918

    Robust Current Sensor Fault-Tolerant Controller Using Third Order Super-Twisting Sliding Mode Observer and Controller for Induction Motors by Rakia Tarkhani, Saber Krim, Majdi Mansouri, Mouhamed Faouzi Mimouni

    Published 2025-01-01
    “…The first objective is to replace conventional PI controllers with TOSTSMC, which offers superior system dynamics, faster speed and torque responses, and greater robustness against load and rotor resistance variations, outperforming other control methods. TOSTSMC also mitigates the chattering associated with First-Order Sliding Mode Control (FOSMC) while maintaining simplicity, robustness, and accuracy. …”
    Get full text
    Article
  19. 2919
  20. 2920