-
7981
Fluoride ion removal from mine water via nucleation crystallization pelleting process
Published 2025-05-01“…To overcome the bottlenecks including low efficiency and weak anti-interference of traditional methods for fluoride removal, this study designed a setup for fluoride removal using the nucleation crystallization pelleting (NCP) processing and proposed a novel fluoride removal method—NCP chemical precipitation. …”
Get full text
Article -
7982
Efectos de los factores de edificabilidad sobre la productividad laboral de moldajes de vigas en fundaciones The effects of buildability factors on formwork labor productivity of g...
Published 2010-08-01“…To achieve this objective, a large volume of productivity data was collected and analyzed using the multiple regression method. As a result, the effects and relative influence of the buildability factors investigated are determined. …”
Get full text
Article -
7983
Autonomous Maneuver Decision-Making for Unmanned Combat Aerial Vehicle Based on Modified Marine Predator Algorithm and Fuzzy Inference
Published 2025-03-01“…First, the weight coefficients determined by the fuzzy inference method are combined with air combat superiority functions that consider the current missile attack zone and then the objective function is obtained, which is to be optimized at the current moment. …”
Get full text
Article -
7984
Evaluating vaccination and quarantine for measles intervention strategy in Jakarta, Indonesia through mathematical modeling
Published 2025-06-01“…Next, we conduct a global sensitivity analysis using the Partial Rank Correlation Coefficient (PRCC) method integrated with Latin Hypercube Sampling (LHS). …”
Get full text
Article -
7985
Phosphorus loss in surface runoff from soils with different soil test phosphorus ratings
Published 2025-06-01“…This research evaluated the relationship between P concentration in runoff and STP concentrations determined by different methods (water‐soluble P, Mehlich‐1 [M1], and Mehlich‐3 [M3]) and quantified the differences in P loads in runoff from soils having distinct STP levels. …”
Get full text
Article -
7986
Is China Growing Dirty? A Cointegration Analysis with Structural Breaks
Published 2022-07-01“…Estimates for the short- and long-term coefficients were analyzed using the FMOLS and CCR methods. …”
Get full text
Article -
7987
Current epidemiological characteristics of pertussis in the Russian Federation
Published 2020-06-01“…A correlation analysis of the relationship between the timeliness of vaccination coverage and the incidence of pertussis was carried out by calculating the Pearson’s correlation coefficient. The significance of differences in the incidence rates was determined by estimating the confidence intervals and calculating the t-test.Results. …”
Get full text
Article -
7988
Evaluation of the Selected Parameters of Inflammation in Patients with Haemorrhagic Stroke
Published 2023-03-01“…Non-parametric statistical methods were used in the analysis: the Mann–Whitney test, the Kruskal–Wallis test and the Spearman correlation coefficient. …”
Get full text
Article -
7989
Psychometric evaluation of the Persian version of the adult chronic kidney disease self-management instrument in the Iranian population
Published 2025-07-01“…Furthermore, the scales exhibited strong stability, as evidenced by an overall Intraclass Correlation Coefficient result of 0.961. The absolute reliability, as determined by Standard Error of Measurement results, was 3.16. …”
Get full text
Article -
7990
The results of hemostasis assessment using thromboelastography in patients with COVID-19
Published 2023-10-01“…To assess the relationships between continuous variables, the Spearman direct linear correlation coefficient (r) was determined.Results. 53% of patients had hypocoagulation, 31% had normocoagulation, and 16% had hypercoagulation. …”
Get full text
Article -
7991
Study on Color Detection of Korla Fragrant Pears by Near-Infrared Spectroscopy Combined with PLSR
Published 2025-03-01“…The optimal detection models were determined. The results indicated that pre-processing and characteristic extraction improved the accuracy of the PLSR model. …”
Get full text
Article -
7992
Investigation of the Optical Properties of the Achromatic Quadrupole Lens by Using the Rectangular Potential Distribution Model
Published 2009-06-01“…The computations have been concentrated on determining the chromatic and spherical aberration coefficients in both convergence and divergence planes and the effects of changing both of excitation and effective length of lens are studied.…”
Get full text
Article -
7993
The influence of the ability to understand mathematics concepts based on van hiele's level of thinking on the learning outcomes of mathematics education students
Published 2024-09-01“…The results of the calculations carried out obtained the calculated r value = 0.5 46 and r table = 0.444, apparently r count > r table , then it can be concluded that H 1 accepted , so it can be concluded that there is a significant relationship between learning interactions and results learn mathematics with interpretation Enough. Coefficient of determination (r)2 = 0.2981 . So the magnitude of the relationship between variable X and variable Y is 29.81 %. …”
Get full text
Article -
7994
Studying the Role of Urban Female Activity in Achieving Sustainable Rural Development in Rural district of Ashaghabad, Neyshabour
Published 2019-09-01“…The sample size was determined 384 by the Cochran formula at 95% confidence interval (T = 1.96). …”
Get full text
Article -
7995
Enhancing Visitor Forecasting with Target-Concatenated Autoencoder and Ensemble Learning
Published 2024-07-01“…Extensive experiments conducted on the Taiwan and Hawaii datasets demonstrate that the proposed TCA method significantly outperforms traditional feature selection techniques and other advanced algorithms in terms of the mean absolute percentage error (MAPE), mean absolute error (MAE), and coefficient of determination (R<sup>2</sup>). …”
Get full text
Article -
7996
Development and validation of machine learning models for predicting post-cesarean pain and individualized pain management strategies: a multicenter study
Published 2025-04-01“…Performance metrics such as Root Mean Squared Error (RMSE) and Coefficient of Determination (R²) were evaluated through internal and external validations. …”
Get full text
Article -
7997
THE RELATIONSHIP BETWEEN TIME AND WATER CONTENT OF FISH DRIED USING SOLAR PANEL-BASED DRYERS
Published 2021-12-01“…The method used is a quantitative method. The solar panel-based electric fish dryer has a maximum capacity of 2237 grams (12 fish) with a temperature above 30°C. …”
Get full text
Article -
7998
Research on the Resilience Evaluation and Spatiotemporal Evolution Characteristics of China’s Marine Fishery Economy
Published 2024-08-01“…This paper employs the CRITIC-based combined weight model to calculate the comprehensive evaluation index, utilizing both the Coefficient of Variation Method and the Entropy Weight Method to determine the weights of the indicators. …”
Get full text
Article -
7999
Monitoring and Assessing the Changes in the Coverage and Decline of Oak Forests in Lorestan Province using Satellite Images and BFAST Model
Published 2020-06-01“…Also, according to the BFAST method, the trend diagram is a failover and their frequency variations are irregular. …”
Get full text
Article -
8000
الدور المُعدِّل لإدارة التكاليف في العلاقة بين سيجما ستة والقيمة المضافة في ظل توسيط الخدمات الهندسية الاستشارية...
Published 2023-12-01“…As The study resulted the cost management moderator in the relationship between six sigma and additive value with a change in the determination coefficient of (0.212).The consulting engineering mediates the relationship between six sigma and additive value with an indirect effect of (0.34). …”
Get full text
Article