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Showing 321 - 340 results of 627 for search 'complex selection coefficient', query time: 0.12s Refine Results
  1. 321

    Logging evaluation methods of low-organic matter fault-block shale oil in the Subei Basin and their application by QIAN Shiyou, YANG Zhiqiang, XU Chen

    Published 2025-02-01
    “…This shale exhibits diverse lithofacies types, complex pore structures, strong reservoir heterogeneity, and significant lateral variations in pressure coefficients. …”
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    Article
  2. 322

    Prediction of 5-year survival in patients with heart failure and implanted cardiac resynchronization therapy devices by A. M. Soldatova, V. A. Kuznetsov, E. A. Gorbatenko, T. N. Enina, L. M. Malishevsky

    Published 2021-07-01
    “…Based on clinical parameters and diagnostic investigations, to create a complex model of personalized selection of patients with heart failure (HF) for cardiac resynchronization therapy (CRT). …”
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    Article
  3. 323

    Inversion and validation of soil water-holding capacity in a wild fruit forest, using hyperspectral technology combined with machine learning by Tingwei Song, Liang Guo, Qian Sun, Guizhen Gao, Jing Chen, Qikun Zhang

    Published 2025-07-01
    “…This study integrated hyperspectral technology with machine learning algorithms to model complex nonlinear relationships and to select the optimal SWHC model. …”
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    Article
  4. 324

    Sports data analysis of track and field athletes based on IID-OPK and NonIID-OPK algorithms by Xiaofeng Chen

    Published 2025-12-01
    “…The traditional K-means clustering algorithm randomly selects clustering center points, which can easily lead to unstable clustering results and be affected by outliers, making it unable to handle complex sports data of track and field athletes. …”
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    Article
  5. 325

    The Association of Hemoglobin A1c and Fasting Glucose Levels with hs-CRP in Adults Not Diagnosed with Diabetes from the KNHANES, 2017 by Jeong Woo Seo, Sat Byul Park

    Published 2021-01-01
    “…In total, 3,537 adults not diagnosed with diabetes were selected. Their hs-CRP levels were compared with the glucose level markers using a complex sample general linear regression analysis. …”
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    Article
  6. 326

    Experimental Study on the Influence of a Cementitious Permeable Crystallization Admixture (CPCA) in Improving Concrete Durability by Yu-chuan Yang, Hai-bo Li, Xing-guo Yang, Shi-quan Chen, Jia-wen Zhou

    Published 2022-01-01
    “…At present, the most commonly used method is to use additives in concrete structures, so as to improve the durability of concrete by reducing its permeability coefficient. Cement-based permeable crystalline admixtures can effectively improve the impermeability and mechanical properties of concrete by complex crystallization reactions between reactive chemicals and cement gels. …”
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    Article
  7. 327

    Perfusion Parameter Map Generation from 3 Phases of Computed Tomography Perfusion in Stroke Using Generative Adversarial Networks by Cuidie Zeng, Xiaoling Wu, Fusheng Ouyang, Baoliang Guo, Xiao Zhang, Jianghua Ma, Dong Zeng, Bin Zhang

    Published 2025-01-01
    “…Computed tomography perfusion (CTP) plays a crucial role in guiding reperfusion therapy and patient selection for acute ischemic stroke (AIS) through perfusion parameter maps of the brain; however, its widespread use is limited by the complexity of acquisition protocols and high radiation dose. …”
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    Article
  8. 328

    Geological evaluation and favorable area optimization for underground coal gasification in Zhalainuoer coal field by Yi CUI, Shu TAO, Zhiheng WANG, Yaning WU, Qinghe JING, Shoujun LI, Dejun LI, Jie GUO, Shouqing YAN, Yang JIAO, Di ZOU

    Published 2025-05-01
    “…The coal seam has a large thickness and stable lateral distribution (coal thickness variation coefficient of 10.14%~33.55%), with moderate burial depth and low complexity of faults. …”
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    Article
  9. 329

    COLUMN PRECONCENTRATION OF URANIUM BY 1 -(2-PY RIDYLAZ0)-2-NAPHTHOL SUPPORTED ON NAPHTHALENE USING DIF'FERENTLAL PULSE POLAROGRAPHY

    Published 2000-03-01
    “…A solid chelating material, 1-(2-pyridy1azo)-2-naphthol (PAN) supported on naphthalene provides a rapid and highly selective means of preconcentration of uranium from aqueous solution. …”
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    Article
  10. 330

    Predicting Ship Waiting Times Using Machine Learning for Enhanced Port Operations by Min-Hwa Choi, Woongchang Yoon

    Published 2025-01-01
    “…ANOVA tests confirm numerous differences in model performance and computational complexity. The results demonstrated that tree-based ensemble models outperform deep learning models in this setting. …”
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    Article
  11. 331

    Structure of seed productivity of antocians containing broad beans and features of mycoflora soil under them by Yu. N. Kurkina

    Published 2020-05-01
    “…To assess the similarity of the complexes of soil micromycetes under varieties of beans, a similarity coefficient was used.Results. …”
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    Article
  12. 332

    Decoding PM<sub>2.5</sub> Prediction in Nanning Urban Area, China: Unraveling Model Superiorities and Drawbacks Through SARIMA, Prophet, and LightGBM by Minru Chen, Binglin Liu, Mingzhi Liang, Nini Yao

    Published 2025-03-01
    “…The study systematically compares the performance of each model from the spatial and temporal dimensions using indicators such as mean square error (MSE), mean absolute error (MAE) and coefficient of determination (R<sup>2</sup>). The results show that the LightGBM model has a strong ability to mine complex nonlinear relationships, but its stability is poor. …”
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    Article
  13. 333

    Research on Oil Well Production Prediction Based on GRU-KAN Model Optimized by PSO by Bo Qiu, Jian Zhang, Yun Yang, Guangyuan Qin, Zhongyi Zhou, Cunrui Ying

    Published 2024-11-01
    “…The Pearson correlation coefficient is used to select the most significant features. …”
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    Article
  14. 334

    Assessing the evolutionary impact of amino acid mutations in the human genome. by Adam R Boyko, Scott H Williamson, Amit R Indap, Jeremiah D Degenhardt, Ryan D Hernandez, Kirk E Lohmueller, Mark D Adams, Steffen Schmidt, John J Sninsky, Shamil R Sunyaev, Thomas J White, Rasmus Nielsen, Andrew G Clark, Carlos D Bustamante

    Published 2008-05-01
    “…In both populations, the patterns of variation are consistent with a leptokurtic distribution of selection coefficients (e.g., gamma or log-normal) peaked near neutrality. …”
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    Article
  15. 335

    Heat and Mass Transfer Study of Top-Heat-Integrated Distillation Column (T-HIDiC) using CFD by Javier A. Mancera-Apolinar, Diego F. Mendoza, Ronnie Andersson, Carlos A. M. Riascos

    Published 2025-07-01
    “…The developed CFD model was used to evaluate three pairs of internal rectification stage plus external stripping stage, that are thermally integrated. These stages were selected as representative of the column. Phases distribution, temperature and vapor phase Murphree efficiency were obtained as results, showing the potential of CFD models to analyze new and structurally complex units.…”
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    Article
  16. 336

    Media formulation using statistical methodology to enhance α-amylase production for green synthesis of Au-NPs by Bacillus subtilis VSP4 under solid-state fermentation by Vimalkumar S. Prajapati, Vaibhavkumar N. Mehta, Swati K. Patel

    Published 2025-06-01
    “…The F-value of the quadratic model (18.36) implies that the model is significant, while the F-value of the lack of fit (3.17) indicates that the lack of fit is not significant, meaning that the model has good fit. The coefficient of variance was found to be 0.369, which denotes that the experiments performed herein are reliable (R2 = 0.94) (multiple correlation coefficient), and the standard deviation for the quadratic model was found to be 4.72. …”
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    Article
  17. 337

    Assessing the applicability of a special model of plutonium behavior in presence of chelates in cases of wound intake of industrial compounds of plutonium in the FSUE Mayak PA wor... by A. B. Sokolova, A. V. Efimov, A. B. Dzhunushaliev

    Published 2024-04-01
    “…Since the application of chelates significantly changes the picture of plutonium urinary excretion, special models of complex Pu-DTPA behavior are developed to describe the plutonium biokinetics in presence of chelates. …”
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    Article
  18. 338

    Developing a Model of Wisdom Based on Successful Intelligence and Psychological Well-Being in Students: The Mediating Role of Creativity by Rasool Kordnoghabi, Saeed Veisi

    Published 2024-11-01
    “…The sample size was selected based on Kline model (2023) and with convenience sampling (online method), which led to the selection of 500 students. …”
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    Article
  19. 339

    Underwater acoustic signal denoising method based on DBO–VMD and singular value decomposition by A. Weiyi Chen, B. Shizhe Wang, C. Zongji Li, D. Li Dong

    Published 2025-05-01
    “…Second, the adaptive threshold is calculated by comprehensively considering the correlation coefficient and the multivariate permutation entropy, and it is used as the basis for selecting effective modal components and reconstructing the signal. …”
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    Article
  20. 340

    One-loop matching for leading-twist generalised transverse-momentum-dependent distributions by Valerio Bertone, Miguel G. Echevarria, Oscar del Rio, Simone Rodini

    Published 2025-05-01
    “…Our results provide new insights into the complex dynamics of GTMDs generated by radiative corrections. …”
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    Article