Differences in Time Comparison and Positioning of BDS-3 PPP-B2b Signal Broadcast Through GEO by Hongjiao Ma, Jinming Yang, Xiaolong Guan, Jianfeng Wu, Huabing Wu

“…The BeiDou-3 Navigation Satellite System (BDS-3) precise point positioning (PPP) service through the B2b signal (PPP-B2b) leverages precise correction data disseminated by satellites to eliminate or mitigate key error sources, including satellite orbit errors, clock biases, and ionospheric delays, thereby enabling high-precision timing and positioning. …”
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On the Use of SuperDARN Ground Backscatter Measurements for Ionospheric Propagation Model Validation by Joshua J. Ruck, David R. Themens, Pasha Ponomarenko, Angeline G. Burrell, Bharat Kunduri, J. Michael Ruohoniemi, Sean Elvidge

“…To better understand model performance in the context of OTHR, we introduce an ionospheric model validation technique using the oblique ground backscatter measurements in soundings from the Super Dual Auroral Radar Network (SuperDARN). Analysis is performed in terms of the F‐region leading edge (LE) errors and assessment of range‐elevation distributions using calibrated interferometer data. …”
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Chemometric-assisted UV spectrophotometric methods for determination of miconazole nitrate and lidocaine hydrochloride along with potential impurity and dosage from preservatives by Esraa S. Ashour, Ghada M. El-Sayed, Maha A. Hegazy, Nermine S. Ghoniem

“…The biPLS model, constructed with [3, 4, 5, 6, 8, and 9] subintervals, is considered the most efficient model with the lowest number of latent variables. biPLS is ideal for data analysis and enhancing model performance and robustness by focusing on the most relevant spectral regions. …”
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Association between gamma-glutamyl transferase levels and the retinal age gap by Kai Yang, Xiaoxuan Zhu, Ziyu Li, Wei Lian, Jinxia Yan, Shasha Ding, Zhenqing Wang, Yudie Wang, Jiaqi Ai, Zhengyang Guo, Binbin Su, Jia Qu, Fan Lu, Lele Cui, Ming Li

“…A total of 4,081 fundus images from 4,081 participants who were enrolled from May to October 2023 had available GGT data, and these images were used to investigate the association between GGT levels and the retinal age gap.ResultsThe trained model in this study achieved excellent performance, with a mean absolute error (MAE) of 2.42 ± 0.08 years. …”
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Hybrid Machine-Learning Model for Accurate Prediction of Filtration Volume in Water-Based Drilling Fluids by Shadfar Davoodi, Mohammed Al-Rubaii, David A. Wood, Mohammed Al-Shargabi, Mohammad Mehrad, Valeriy S. Rukavishnikov

“…Results showed the superior performance of the RBFNN-GO model, achieving a root-mean-square error (RMSE) of 0.6396 mL. Overfitting index (OFI), score, dependency, and Shapley additive explanations (SHAP) analysis confirmed the superior FV prediction performance of the RBFNN-GO model. …”
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Predicting Adjustment of students based on School Culture: the mediating role of Quality of life at School by Seyed Alireza Ghasemi, Hossein Khosravi, Minoo Miri, Hadi Pourshafei, Faezeh Khosravi

“…Pearson's correlation coefficient test and structural equation approach and SPSS-26 and AMOS software were used for data analysis. All the coefficients of the direct path related to the relationship between school culture, quality of life in school and students' adjustment are positive and significant(p<0.01). …”
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Design, Simulation and Experimental Validation of a Pneumatic Actuation Method for Automating Manual Pipetting Devices by Valentin Ciupe, Erwin-Christian Lovasz, Robert Kristof, Melania-Olivia Sandu, Carmen Sticlaru

“…This automation is designed to be used as a flexible alternative tool in small and medium-sized biochemistry laboratories that do not possess proper automated pipetting technology, in order to relieve the lab technicians from the tedious, repetitive and error-prone process of manual pipetting needed for the preparation of biological samples. …”
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Use of the 6-minute walk/run test to predict peak oxygen uptake in adolescents by Gabriel Bergmann, Mauren Bergmann, Antônio de Castro, Thiago Lorenzi, Eraldo Pinheiro, Rodrigo Moreira, Alexandre Marques, Adroaldo Gaya

“…This study aimed to create an equation to predict peak oxygen uptake from data of the 6-minute walk/run test and demographic and anthropometric variables in adolescents. …”
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Bending Performance of Steel-Reinforced Concrete Beams Strengthened with Highly Ductile Cementitious Composites in the Compression Zone by Yunfeng Pan, Junmin Wang, Bing Chang, Zhi Ma, Chenggao Li

“…An equation was developed using a strip method, and the prediction results showed an error of less than 11% compared to the experimental data. …”
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EEG-Driven Arm Movement Decoding: Combining Connectivity and Amplitude Features for Enhanced Brain–Computer Interface Performance by Hamidreza Darvishi, Ahmadreza Mohammadi, Mohammad Hossein Maghami, Meysam Sadeghi, Mohamad Sawan

“…Analysis highlighted contributions from both FBCSP and PLV, particularly in the 4–8 Hz and 24–28 Hz bands. …”
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Research on γ Spectrum Reconstruction Based on Mi-Gold Algorithm by LIANG Wenchao1, 2, ZHANG Jiangmei2, WANG Jiaqi1, 2

“…The self-developed NaI(Tl) detector was selected as the experimental object. Firstly, the data required for the calculation of the detector’s non-negative response matrix were measured, and the corresponding non-negative response matrix was obtained. …”
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Optimization of Parameters of Two-Beam Laser Twelding of Quartz Raw Materials by V. A. Emelyanov, E. B. Shershnev, Y. V. Nikitjuk, S. I. Sokolov, I. Y. Aushev

“…The results obtained allow us to conclude that there is a necessary correspondence between the regression model and the finite element analysis data. An assessment of the influence of processing parameters on the maximum values of the temperature of quartz particles was made. …”
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ACGNet: An Alternating Conjugate Gradient Optimization-Based Neural Network for SAR Image Despeckling by Xin Mao, Ying Liu, Chenghao Qiu, Cong Lin

“…Furthermore, comparative analysis highlights the substantial advantages of the method in both visual quality and quantitative metrics over classical and modern despeckling techniques.…”
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Study on the sensorless control method of permanent magnet synchronous motor based on self-tuned boundary layer and RBF neural network by Guozhong Yao, Junhong Zhou, Yuhan Xiao, Dewen Jia, Zhengjiang Wang

“…Given the consistent agreement between simulation outcomes and experimental data, the novel strategy proves operationally feasible and functionally superior.…”
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The Interrelation between Stock Prices and the Exchange Rate in Kazakhstan by G. Zh. Azretbergenova

“…Upon the results of the analysis, the presence of a long-term correlation between the variables is proved. …”
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Assessing the Wind Energy Potential: A Case Study in Fort Hare, South Africa, Using Six Statistical Distribution Models by Ngwarai Shambira, Patrick Mukumba, Golden Makaka

“…This study evaluates the wind energy potential at Fort Hare using six statistical distribution models: Weibull (WEI), Rayleigh (RAY), gamma (GAM), generalized extreme value (GEV), inverse Gaussian (IGA), and Gumbel (GUM). The analysis is based on three years (2021–2023) of hourly wind speed data at 10 m above ground level from the Fort Beaufort weather station. …”
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Evaluation of energy intake by brief-type self-administered diet history questionnaire among male patients with stable/at risk for chronic obstructive pulmonary disease by Yosuke Yamada, Satoshi Sasaki, Shigeho Tanaka, Yuki Nishida, Satoshi Nakae, Fuminori Katsukawa, Hidetoshi Nakamura, Toru Shirahata, Hideaki Sato, Sanehiro Yogi

“…A fixed bias was observed between EIBDHQ and EIDLW as −186 (95% CI: −422 to 50) kcal/day, while a proportional bias was not detected by the Bland-Altman analysis. Age, weight, anxiety and interleukin 6 were responsible for 61.7% of the variance in the difference between both EIs in a multiple regression model.Conclusions The BDHQ underestimated EI among male patients with stable/at risk for COPD, but this estimation error was within an acceptable range compared with previous studies. …”
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Psychometric Properties for the Safety Attitudes Questionnaire in Child and Youth Health Clinics and School Health Services: A Validation Study by Ingrid Oma Langeland, Eva Langeland, Ellen C. T. Deilkås, Elin Salemonsen, Roy M. Nilsen, Dag Hofoss, Gunnar Tschudi Bondevik

“…An online version of the SAQ‐A was used for the data collection. Content validity was addressed. …”
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Guiding Field Measurement of Pine Tree Crowns: A Geometric Shape Comparison Using Drone Imagery by A. Hosingholizade, Y. Erfanifard, S. K. Alavipanah, V. García Millan, S. Pirasteh, S. Pirasteh

“…Three analyses were performed to assess the results: correlation analysis (R²), relative root mean square error (RRMSE), and shape analysis, which included overestimation (OverID) and underestimation (UnderID) indices. …”
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Adulteration Detection and Origin Identification of Yak Milk Powder Based on Near-infrared Spectroscopy Technology by Haiyang PENG, Zhongdong WU, Tao LIN, Hongcheng LIU, Ying GU

“…Traditional DNA detection methods and isotope analysis showed long detection time, which were inapplicable to rapid, low-cost on-site analysis. …”
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