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  1. 6201

    Study on the vibration prediction model of step group hole blasting considering non-stationarity by LI Hongchao, ZHANG Qipeng, HUANG Guoquan, SHI Yulian, HUANG Yonghui, HAN Haoxuan, YI Jiaxin, QU Chenliang

    Published 2025-01-01
    “…The parameters were determined by trial-and-error method to obtain the approximation interval, and then the optimal parameter combinations were optimized by orthogonal test-polar deviation analysis. …”
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  2. 6202

    Exploring the effects of curiosity and anxiety on Mathematics teaching efficacy beliefs in primary school teachers by Veysel Göçer, Ender Özeren

    Published 2025-07-01
    “…Since the overall Cronbach’s alpha coefficients of the scales used in the study were greater than α > .70, the scale data were considered to be reliable. …”
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  3. 6203

    Impact factors and reference range upper limit of thyroid volume in children aged 8-10 years old in Huangpu District, Shanghai by Weihua CHEN, Chengdi SHAN, Lili SONG, Lifang MA, Yun CAO, Youshun QIAN, Aina HE, Jun XIAO

    Published 2025-02-01
    “…The current reference cut-off points for thyroid volume proposed by the World Health Organization are not based on the Chinese population.ObjectiveTo understand the iodine nutritional status and distribution of thyroid volume (Tvol) among children aged 8-10 years in Huangpu District, Shanghai, China, to identify impact factors of Tvol, and to propose a reference range upper limit for local thyroid health surveillance, so as to provide a basis for goiter control and prevention.MethodsSix hundred children aged 8-10 years in Huangpu District were recruited in 2017, 2020, and 2023, and body height, weight, thyroid volume, urinary iodine, and iodine content of household edible salt were determined. …”
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  4. 6204

    Efficient field correction of low-cost particulate matter sensors using machine learning, mixed multiplicative/additive scaling and extended calibration inputs by Slawomir Koziel, Anna Pietrenko-Dabrowska, Marek Wojcikowski, Bogdan Pankiewicz

    Published 2025-05-01
    “…In this work, we introduce a novel approach to field calibration for cheap PM sensors. Our method integrates multiplicative and additive corrections, with coefficients determined by an artificial neural network (ANN) surrogate. …”
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  5. 6205

    On the formation of thermal barrier coatings by magnetron sputtering by Gennady V. Kachalin, Konstantin S. Medvedev, Aleksey F. Mednikov, Olga S. Zilova, Aleksandr B. Tkhabisimov, Dmitriy I. Ilyukhin, Vladislav A. Kasyanenko

    Published 2024-12-01
    “…The obtained dependencies allowed determining the range of oxygen flow rates at various magnetron discharge powers, at which the work can be performed with stable and sustainable process control, without the risk of falling into hysteresis. …”
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  6. 6206

    LSTM time series prediction of soil moisture content in kiwifruit root zone based on meteorological data fusion by Jingyuan He, Weifeng Li, Shijia Pan, Nikolaos Sygrimis, Zijie Niu, Dongyan Zhang, Dong Han, Petro A. Roussos

    Published 2025-08-01
    “…In the SMC prediction for the next day, the ATT-LSTM model performs the best, with a coefficient of determination (R²) of 0.749 and a root mean square error (RMSE) of only 2.04 % on the test set. …”
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  7. 6207

    Modelo matemático y procedimiento para la generación gráfica de los contornos de dientes de engranajes cilíndricos. // A mathematical model and procedure for graphic generation of... by G. González Rey, R. José García Martín, P. Frechilla Fernández

    Published 2006-01-01
    “…Additionally,<br />the results are useful for the improvement of the gear tooth model and formulations for the load capacity calculation of cylindrical<br />gears by means of the method of finite elements. For the determination of the calculation procedures based on the mathematical<br />models was established using the technique of dichromatic graphs.…”
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  8. 6208

    Investigação teórica do processo de redução de coliformes em leitos cultivados Theoretical investigation of coliform reduction in constructed wetland by Mariângela Amendola, Anderson L. Souza

    Published 2007-12-01
    “…The results obtained with the simulation were compared with the reference values to determine the longitudinal dispersion coefficient value which leads to the least residual value for each kind of support bed. …”
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  9. 6209
  10. 6210

    Exploring the Causes of Severe Fluctuations in Water Surface Area Using Water Index and Structural Equation Modeling: Evidence from Ebinur Lake, China by Mengfan Li, Changjiang Liu, Fei Zhang, Ngai Weng Chan, Elhadi Adam, Weiwei Wang, Yingxiu Wu

    Published 2025-04-01
    “…Utilizing Google Earth Engine (GEE), this study employs Landsat series, Sentinel 2, and MOD09GA/MYD09GA data to extract the water area of Ebinur Lake by applying indices such as NDWI, MNDWI, AWEI, and MAWEI. Threshold determination and shoreline refinement are achieved through Otsu’s method and the Canny algorithm, followed by a comparative analysis. …”
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  11. 6211

    Glomerular diseases related to HIV in Colombian population: Better outcomes with highly active antiretroviral therapy? by Oscar Muñoz-Velandia, Ángel García-Peña, Javier Garzón-Herazo, Kateir Contreras-Villamizar, Martha Rodríguez-Sánchez, Elias Garcia-Consuegra, Esteban Toro-Trujillo

    Published 2020-09-01
    “…A longitudinal data model under the Generalized Estimating Equations (GEE) method was used to determine changes on the glomerular filtration rate (GFR) over time. …”
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  12. 6212
  13. 6213

    Análise da precipitação mensal provável para o município de Lages, SC Analysis of probable monthly rainfall in the municipality of Lages, SC by Olívio J. Soccol, Célio O. Cardoso, David J. Miquelluti

    Published 2010-01-01
    “…The method of adjustment of model was used to estimate &#945; and &#946; parameters of gamma distribution, and Kolmogorov-Smirnov's test assessed the model's fitting to the data. …”
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  14. 6214

    Remote Sensing Survey of Chlorophyll-a Concentration in River-Type Reservoirs Based on GF-1 Image Data: Taking Feilaixia–Changhu Reservoir Area as an Example by ZOU Zhengxin, DENG Ruru, LIANG Yeheng, CHAI Zhuoqun, KUANG Zhiyuan, YANG Junying, ZHAO Zixi

    Published 2025-01-01
    “…The correlation analysis of the chlorophyll-a remote sensing inversion value and the measured value was performed, and the determination coefficient was R<sup>2 </sup>= 0.835 8; the result verification was reasonable. …”
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  15. 6215

    Alpine Meadow Fractional Vegetation Cover Estimation Using UAV-Aided Sentinel-2 Imagery by Kai Du, Yi Shao, Naixin Yao, Hongyan Yu, Shaozhong Ma, Xufeng Mao, Litao Wang, Jianjun Wang

    Published 2025-07-01
    “…The DNN-based FVC estimation performed best, with a coefficient of determination of 0.82 and a root mean square error (RMSE) of 0.09. (2) In vegetation coverage estimation based on the pixel dichotomy model, different vegetation indices demonstrated varying performances across areas with different FVC levels. …”
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  16. 6216

    Green Hydrogen Synthesis from Human Urine as Sustainable Bioenergy Resources by Blossom Odili, Sylvia Igbafe, Adeyinka Sikiru Yusuff, Akeem Aderibigbe Adebomehin, Anselm Iuebego Igbafe

    Published 2024-10-01
    “…/wt. electrolyte concentration across the system’s operating temperature range yielding an R2 value of 0.711, all the models yielded coefficient of determination values in the range of 0.96 and 0.99, indicating good fit for the alkaline urine electrolysis for green hydrogen synthesis from human urine. …”
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  17. 6217

    Rainfall Prediction Using Integrated Machine Learning Models With K-Means Clustering: A Representative Case Study of Harirud Murghab Basin-Afghanistan by Ziaul Haq Haq Doost, Ali Alsuwaiyan, Abdulazeez Abdulraheem, Nabil M. Al-Areeq, Zaher Mundher Yaseen

    Published 2025-01-01
    “…The models were evaluated at three stations (Nazdik-i Herat, Shinya, and Torghundi) using coefficient of determination (R2), mean squared error (MSE), root mean squared error (RMSE), Mean absolute error (MAE), and median absolute error (MedAE) as evaluation metrics. …”
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  18. 6218

    Land Use/Land Cover Change Impact on Hydrological Process in the Upper Baro Basin, Ethiopia by Tewodros Getu Engida, Tewodros Assefa Nigussie, Abreham Berta Aneseyee, John Barnabas

    Published 2021-01-01
    “…The performance of the model statistical test shows the coefficient of determination (R2) and Nash–Sutcliffe (NS) efficiency values 0.87 and 0.81 for calibration periods of 1990–2002 and 0.84 and 0.76 for the validation period of 2003 to 2009, respectively. …”
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  19. 6219
  20. 6220

    Temperature simulation and experimental for polishing TC4 with abrasive cloth wheel by Libo WANG, Chao XIAN, Hongmin XIN

    Published 2025-06-01
    “…Therefore, studying the distribution laws and influencing factors of surface temperature in polishing and grinding, and controlling the processing surface temperature are of great significance.MethodsA polishing test platform is built, and polishing temperatures are measured under different process parameters. …”
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