Showing 4,021 - 4,040 results of 4,920 for search 'sources optimization methods', query time: 0.17s Refine Results
  1. 4021

    Agronomic evaluation of hemp (Cannabis sativa L.) for cannabidiol production in Yunnan, China by Wenjing Ouyang, Jing Ou, Qi Zheng, Xiran Yang, Yuanyuan Meng, Guanghui Du, Feihu Liu, Yuewu Chen, Kailei Tang

    Published 2025-05-01
    “…Mg and B fertilization showed no statistically significant effects on inflorescence yield and CBD content, the average CBD yield across all fertilization treatments was 20.1 kg ha−1.DiscussionThe study underscores the potential for increasing CBD content through breeding and optimizing harvest methods that distinguish between female and male plants, and separate upper and lower inflorescences.…”
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  2. 4022

    A Progressive Spectral Correction and Spatial Compensation Network for Pansharpening by Rixian Liu, Hangyuan Lu, Biwei Chi, Yong Yang, Shuying Huang

    Published 2025-01-01
    “…Current pansharpening methods often overlook the significant modality differences between source images and lack interaction between them, resulting in spatial-spectral distortions. …”
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  3. 4023

    Transfer Learning-Based Interpretable Soil Lead Prediction in the Gejiu Mining Area, Yunnan by Ping He, Xianfeng Cheng, Xingping Wen, Yan Yi, Zailin Chen, Yu Chen

    Published 2025-07-01
    “…SHAP analysis showed that the model retained key pH-related wavelengths (550–750 nm and 1600–1700 nm) while optimizing Pb-related wavelengths (e.g., 919 nm and 959 nm). …”
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  4. 4024

    Python algorithm package for automated Estimation of major legume root traits using two dimensional images by Amit Ghimire, Yong Suk Chung, Sungmoon Jeong, Yoonha Kim

    Published 2025-03-01
    “…Four different thresholding methods; Otsu, Gaussian adaptive, mean adaptive and triangle threshold were used to know the effect of thresholding in root trait estimation and to optimize the accuracy of root trait estimation. …”
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    Article
  5. 4025

    Spatio-temporal evolution characteristics and influencing factors of environmental welfare performance in Chinese cities by Yipeng Zhang, Meixia Wang

    Published 2025-02-01
    “…Finally, empirical testing of the factors influencing EWP is conducted using spatial econometric methods.ResultsThe overall level of EWP in 240 Chinese cities from 2004 to 2019 is relatively low, but it generally shows a wavy upward trend. …”
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  6. 4026

    Collaborative filtering based on GNN with attribute fusion and broad attention by MingXue Liu, Min Wang, Baolei Li, Qi Zhong

    Published 2025-02-01
    “…In recent years, graph neural networks (GNN) based CF models have effectively addressed the limitations of nonlinearity and higher-order feature interactions in traditional recommendation methods, such as matrix decomposition-based methods and factorization machine approaches, achieving excellent recommendation performance. …”
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  7. 4027

    Improved Crime Prediction Using Hybrid Neural Architecture Search Together with Hyperparameter Tuning by Rami Ayied Alshahrani, Tariq Jamil Saifullah Khanzada

    Published 2025-07-01
    “…The Vancouver crime and Austin crime datasets were sourced from the Kaggle website. The study considered the robust rank aggregation (RRA) feature selection method to rank and select the best features to predict crime behavior in some countries. …”
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  8. 4028

    Self-regulation as a context of critical thinking in cyberpolice officers by О. V. Medvedieva

    Published 2021-09-01
    “…The following methodological tools were used: test of critical thinking, methods of self-management research, methods of diagnostics of regulation focus. …”
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    Article
  9. 4029

    Research on Wellbore Trajectory Prediction Based on a Pi-GRU Model by Hanlin Liu, Yule Hu, Zhenkun Wu

    Published 2025-07-01
    “…The GRU network captures the temporal dependencies of sequence data (such as dip angle and azimuth angle), while the BP neural network extracts deep correlations from non-sequence features (such as stratum lithology), thereby achieving multi-source data fusion modeling. Orthogonal experimental design was adopted to optimize the model hyperparameters, and the ablation experiment confirmed the necessity of the parallel architecture. …”
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  10. 4030

    Charitable initiative and formation of educational environment in Russia in the second half of the 19th – early 20th centuries (by the materials of Penza province) by N.A. Koblova

    Published 2025-06-01
    “…The pur-pose of the study is to analyze charitable activities as a factor in the development of the educational environment of the Penza province in the second half of the XIX – early XX centuries. Materials and methods. The source base of the study consists of complexes of documentary evidence presented in the State Archive of the Penza Region, as well as materials from the local provincial periodical press and reporting documents of public as-sociations. …”
    Article
  11. 4031

    EVALUATION OF CHITOSAN QUALITY FROM SHRIMP, CRAB, AND BLUE SWIMMING CRAB WASTE: YIELD, WATER CONTENT, AND DEGREE OF DEACETYLATION by Fika Dewi Pratiwi, Hartoyo Notonegoro, Denny Syaputra

    Published 2025-08-01
    “…In contrast, the A1655/A3450 method produces much lower DD values ​​(<75%). These findings indicate that local crustacean shell waste has strong potential as a source of high-quality chitosan. …”
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  12. 4032

    Heart Sound Classification Using Harmonic and Percussive Spectral Features from Phonocardiograms with a Deep ANN Approach by Anupinder Singh, Vinay Arora, Mandeep Singh

    Published 2024-11-01
    “…These are refined using the ROC-AUC feature selection method to ensure optimal performance. The deep feed-forward ANN model was rigorously trained and validated on a balanced dataset. …”
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  13. 4033

    Results of a Prospective Study Concerning the Clinical Efficiency of Recent Russian-Made Specialized Foods without Phenylalanine by T. V. Bushueva, T. E. Borovik, K. S. Ladodo, L. M. Kuzenkova

    Published 2016-08-01
    “…Based on modern technologies, new Russian-made foods were created. They have an optimized aminoacid and micronutrient composition, which increases their bioavailability.Objective: Our aim was to investigate the clinical efficiency of the new Russian-made specialized foods based on aminoacids without phenylalanine, in patients with phenylketonuria.Methods: Evaluating physical, somatic and neuropsychic development as well as measuring phenylalanine blood level were carried out twice: before the prescription and after 1 month of using the new Russian-made specialized foods. …”
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  14. 4034

    Ensuring milk quality and safety in industrial production by D. V. Chabanenko

    Published 2024-05-01
    “…The article discusses modern methods of control and management of technological processes of high-quality milk production. …”
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  15. 4035

    The spatial glaciological data infrastructure by T. Y. Khromova, A. A. Medvedev

    Published 2015-03-01
    “…Substantial and rapid environmental changes require developing methods which could be able to manage huge information flows, to optimize processes of the data acquisition, storage, analysis, and exchange. …”
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  16. 4036

    Level measurement, regional variations, and the dynamic evolution of active aging in China—analysis based on CHARLS tracking data by Jiru Guo, Xiaoli Zhang, Xiaoli Zhang, Longyin Chen, Hong Yang

    Published 2025-01-01
    “…Exploring the current state and evolutionary trends of active aging over the past decade is a fundamental prerequisite and the primary task for implementing this strategy.MethodsBased on data from the China Health and Retirement Longitudinal Study (2011-2018), this study primarily employs methods such as the entropy method, Gini coefficient, Moran index, and Kernel density estimation to analyze the development level, regional differences, and dynamic evolution of active aging in China.Results(1) From a general point of view, the overall level of active aging in China has not been high in the past decade, but has shown a rising trend year by year. …”
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  17. 4037

    What factors influence the willingness and intensity of regular mobile physical activity?— A machine learning analysis based on a sample of 290 cities in China by Hao Shen, Bo Shu, Jian Zhang, Yaoqian Liu, Ali Li

    Published 2025-01-01
    “…Using 290 prefecture-level cities in China as samples, it investigates the impact of socioeconomic, geographical, and built environment factors on both overall physical activity levels and specific types of mobile physical activities.MethodsMachine learning methods were employed to analyze the data systematically. …”
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  18. 4038

    Effects of Programmatic Assessment in Clinical Reasoning Courses in General Practice by ZHAI Jiayi, LU Yuan, SHI Jianjun, YU Dehua

    Published 2025-02-01
    “…Objective This paper aims to improve the efficiency of general practitioners&apos; clinical reasoning training and enrich the evaluation of medical education by optimizing the evaluation method of curriculum teaching. …”
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  19. 4039

    Mapping and Spatial Analysis of the Development of the Administrative Borders of Stavropol Region in 1785–2021 by Igor Yurievich Katorgin, Alexander Nikolaevich Roman

    Published 2022-08-01
    “…Geoinformation technologies allow processing, spatial coordination of digitized old maps with optimal accuracy, creation of thematic layers necessary for spatial analysis and visualization of the results of work in the form of a series of maps displaying the ATD of the Stavropol region for different periods of development history.Materials and research methods. …”
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  20. 4040

    Integrating non-linear radon transformation for diabetic retinopathy grading by Farida Mohsen, Samir Belhaouari, Zubair Shah

    Published 2025-08-01
    “…Our RadEx transformation, an optimized non-linear extension of the Radon transform, generates sinogram representations to capture complex retinal lesion patterns. …”
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