Removal of methylene blue from synthetic industrial wastewater by using geopolymer prepared from partially dealuminated metakaolin by Khaled Elewa, A. F. Tawfic, Mostafa Tarek, Nabil Abdullah Al-Sagheer, Nabil M. Nagy

“…The experimental data indicated that Freundlich isotherm model was the best-fit model to describe the sorption of MB on the synthesised geopolymer with higher determination coefficients R2 of 0.996. Value of n greater than unity indicates a favourable adsorption taking place. …”
Get full text

Flexural behavior of RC beams strengthened with CFRP sheets and ECC layers by Xiaobing Hou, Ziyi Song, Han Song, Xingyao Wang, Junhua Guo, Songqiang Wan, Jingli Yang, Hongbo Xiao, Yanfen Gong, Long Liu

“…A predictive model developed through multiple linear regression is expressed, with a coefficient of determination (R²) of 0.991, indicating excellent fitting accuracy. …”
Get full text

A Comparative Analysis of Energy Efficiency of Two Sprinkler Irrigation Systems for Wheat Cultivation (Case Study: Dehgolan Plains, Kurdistan) by P. Tahmasbi, F. Dalvand, S.A. Hosseini, B. Karimi, H. Ghadrshnas

“…The required input factors for wheat production in each hectare were determined. The amount of different input factors for conversion to energy standard was calculated using energy coefficients and equivalents. …”
Get full text

Thermodynamic Characterization of Solar Wind Interaction Regions Using PSP Observations: Evidence of Subadiabatic and Superadiabatic States by Mohit Shah, Anil Raghav, Kalpesh Ghag, Omkar Dhamane, Kishor Kumbhar, Georgios Nicolaou, Ankush Bhaskar, R. C. Allen, Zubair Shaikh

“…To improve the accuracy of the effective polytropic index estimation, we applied a multistep filtering method based on the Bernoulli integral to remove outliers caused by streamline mixing and correlation coefficients to improve the applicability of the polytropic model. …”
Get full text

Spatiotemporal evolution of time-lagged vegetation responses to moisture conditions and the influencing factors in a highly human-impacted area in China by Yuxing Yan, Guoqiang Wang, Yinglan A, Xiaojing Zhang, Baolin Xue, Jin Wu, Yuntao Wang

“…Additionally, the climatic factors of temperature and radiation variability were the primary determinants of TSd and Rd, respectively. However, the population significantly influenced the Rd trends. …”
Get full text

Challenges and Obstacles in the Development of Winter Sports Tourism in the Ski Slopes of Tehran by Siavash Imeni, Leyla Asadpour Shirazi

“…Based on Cochran’s formula for an unlimited population, the sample size was determined to be 384 individuals. An accessible sampling method was used to select the samples. …”
Get full text

Winter Oilseed Rape LAI Inversion via Multi-Source UAV Fusion: A Three-Dimensional Texture and Machine Learning Approach by Zijun Tang, Junsheng Lu, Ahmed Elsayed Abdelghany, Penghai Su, Ming Jin, Siqi Li, Tao Sun, Youzhen Xiang, Zhijun Li, Fucang Zhang

“…The validation set achieved a determination coefficient (R²) of 0.882, a root mean square error (RMSE) of 0.204 cm²cm⁻², and a mean relative error (MRE) of 6.498%. …”
Get full text

Changes to serum sample tube and processing methodology does not cause Intra-Individual [corrected] variation in automated whole serum N-glycan profiling in health and disease. by Nicholas T Ventham, Richard A Gardner, Nicholas A Kennedy, Archana Shubhakar, Rahul Kalla, Elaine R Nimmo, IBD-BIOM Consortium, Daryl L Fernandes, Jack Satsangi, Daniel I R Spencer

“…This study aimed to determine the effect of different sample tubes and processing methods on the whole serum N-glycan profile in both health and disease. …”
Get full text

Areal Precipitation Estimation Using Satellite Derived Rainfall Data over an Irrigation Area by Mehmet Ali Akgül, Hakan Aksu

“…Relationship between CHIRPS satellite based on monthly precipitation data and 4 meteorology stations’ data were analyzed. Determination coefficients (R2) of the stations were found between 0.64 and 0.77, for point based comparison, R2 was calculated as 0.84 with Thiessen polygon method. …”
Get full text

The Main Factors and Trends of Urbanization in Kazakhstan: Analysis and Recommendations by N. K. Nurlanova, A. Tleuberdinova, N. Saparbek

“…Specific methods were applied to calculate the coefficients of urbanization intensity. …”
Get full text

MILK PRICE PREDICTING WITH HOLT WINTERS AND ORDINARY LEAST SQUARES by Filiz BASAGAOGLU

“…According to the given results, OLS method is fitted the data and has good root mean square error (RMSE) and determination coefficients (R2).…”
Get full text

Validation of Inland Water Surface Elevation from SWOT Satellite Products: A Case Study in the Middle and Lower Reaches of the Yangtze River by Yao Zhao, Jun’e Fu, Zhiguo Pang, Wei Jiang, Pengjie Zhang, Zixuan Qi

“…In some areas, the extracted WSE aligns closely with the in situ water level trend, with a coefficient of determination (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>R</mi><mn>2</mn></msup></semantics></math></inline-formula>) exceeding 0.9, while in other areas, the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>R</mi><mn>2</mn></msup></semantics></math></inline-formula> is lower (less than 0.8), and the error compared to in situ water levels is larger (with Root Mean Square Error (RMSE) greater than 1.0 m). (2) This study proposes a combined denoising method based on the Interquartile Range (IQR) and Adaptive Statistical Outlier Removal (ASOR). …”
Get full text

Modeling of CO₂ Efflux from Forest and Grassland Soils Depending on Weather Conditions by Sergey Kivalov, Irina Kurganova, Sergey Bykhovets, Dmitriy Khoroshaev, Valentin Lopes de Gerenyu, Yiping Wu, Tatiana Myakshina, Yakov Kuzyakov, Irina Priputina

“…The mean bias error (MBE), root-mean-square error (RMSE), and determination coefficient (R²) were employed to assess the quality of the model’s performance. …”
Get full text

Cyclic alternating pattern in normal children aged 12 to 24 months Padrão alternante cíclico em crianças normais de 12 a 24 meses by Gabriela Rodrigues Alves, Agostinho Rosa, Magneide Brito, Marcia Pradella-Hallinan, Sergio Tufik

“…RESULTS: CAP rate found in children of 12 to 24 months of age was (25.78±10.18%) and it is characterized by a linear increase of 2% per month, from 12% at 12 months reaching 35% at 24 months. With coefficient of determination R² of 0.91. The duration of A phases was 6.93±1.06 seconds, and B phases was found to last 21.44±2.31 seconds. …”
Get full text

Validation of the brazilian version of the berg balance scale for patients with parkinson's disease Validação da versão brasileira da Escala de Equilíbrio de Berg para pacientes co... by Paula L. Scalzo, Isabella C. Nova, Mônica R. Perracini, Daniel R.C. Sacramento, Francisco Cardoso, Henrique B. Ferraz, Antonio Lúcio Teixeira

“…METHOD: We evaluated 53 patients (M/F 37/16, mean age±SD, 62±7.9 years) with PD (mean±SD, 7.8±4.4 years). …”
Get full text

Predicting Scientific Research Impacts in Biotechnology by Machine Learning Algorithms by Ghasem Azadi Ahmadabadi

“…In this research, Pearson's correlation coefficient and the R software package were used to examine the relationships between the studied indicators. …”
Get full text

Approaches to setting weights in composite indicators of sports development: the case of the Football Development Index by I. V. Solntsev, N. A. Osokin

“…The FDI was recalculated using all five approaches and tested for similarities using Pearson correlation coefficients. Results: The authors were able to calculate five different variations of the FDI using the different weighting methods. …”
Get full text

ELECTRICITY QUALITY INDICATION IMPROVING ALGORITHM IN INDUSTRIAL ENTERPRISES by R. K. Gereykhanov

“…The mathematical methods and algorithms formed the basis which allows analyzing the harmonic structure of the electrical signals it is allowed to calculate the expansion coefficients for the set of parameters to assess the quality of electricity supplied to consumers. …”
Get full text

Genetic segregation of chlorophyll content and light compensation point in a hybrid grapevine population by JI Xiaohao, LIU Fengzhi, WANG Xiaodi, WANG Xiaolong, SHI Meng, WANG Zhiqiang, WANG Haibo

“…Chlorophyll content was determined using the colorimetric method, and the light response curves were measured using a Li6400 photosynthesis system. …”
Get full text

Verifying the concordance between motion corrected and conventional MPRAGE for pediatric morphometric analysis by Barat Gal-Er, Yannick Brackenier, Yannick Brackenier, Alexandra F. Bonthrone, Chiara Casella, Chiara Casella, Anthony Price, Anthony Price, Sophie Arulkumaran, Andrew T. M. Chew, Chiara Nosarti, Michela Cleri, Pierluigi Di Cio, Alexia Egloff, Mary A. Rutherford, Jonathan O’Muircheartaigh, Jonathan O’Muircheartaigh, Raphael Tomi-Tricot, Raphael Tomi-Tricot, Raphael Tomi-Tricot, Shaihan Malik, Shaihan Malik, Lucilio Cordero-Grande, Lucilio Cordero-Grande, Lucilio Cordero-Grande, Joseph V. Hajnal, Joseph V. Hajnal, Serena J. Counsell

“…Intraclass correlation coefficient (ICC) was used to determine agreement. Mann–Whitney U was used to test the difference between measures obtained using DISORDER and (i) motion-free and (ii) motion-corrupt conventional MPRAGE data.ResultsICC measures between conventional MPRAGE and DISORDER data were good/excellent for most subcortical GM (motion-free, 0.75–0.96; motion-corrupt, 0.62–0.98) and regional brain volumes (motion-free 0.47–0.99; motion-corrupt, 0.54–0.99), except for the amygdala and nucleus accumbens (motion-free, 0.38–0.65; motion-corrupt, 0.1–0.42). …”
Get full text