ANALYSIS AND VALIDATION OF DETECTION METHOD FOR ETHYLENE AND DIETHYLENE GLYCOL CONTAMINANTS IN SYRUP USING GCMS (GAS CHROMATOGRAPHY-MASS SPECTROMETER) by Supandi Supandi, Mabrurotul Mustafidah, Siti Yaenap, Walid Rumblat

“…This study presents an analytical method for detecting EG and DEG contamination. Based on BPOM regulations governing the control a determination of EG and DEG. …”
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Validation of a method for estimating pulmonary dead space in ventilated beagles to correct exhaled propofol concentration in mixed air by Xiaoxiao Li, Pan Chang, Xing Liu, Zhongjun Zhao, Yixiang Duan, Wensheng Zhang

“…Methods Existing monitoring parameters, including time-volume and time-CO2 curves, were used to determine Vcap. …”
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Reproducibility of the visual palatability of the crumb of bread and a novel sensory evaluation method using images presented on a screen by Yukinori Sato

“…Methods: The optimal illumination color temperature to enhance the visual palatability of white bread crumb was determined by sensory evaluation using photographs with 13 participants in the main test and 27 participants in the retest, and correlations with visual palatability were assessed using coefficients of determination (R2). …”
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Influence of the nature of organic solvents on the process of separation of antioxidative additive in a transformer oil by a gas-chromatographic method by Duy Hung Nguyen, Yu. V. Snigireva, A. V. Taneeva, V. F. Novikov

“…Gas -liquid chromatography was used to determine the "Ionol" antioxidant additive and organic extractants in transformer oil. …”
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On the Factors Influencing the Loss Coefficient of the Gas Nozzle of the Constant Flow Blocker in CO2 Injection Wells by LI Yeye, MENG Wenyu, YANG Yuntong, LIU Xingbin

“…The changes in the nozzle loss coefficient in the gas nozzle system during CO2 injection are analyzed, and the relationship between the nozzle loss coefficient and nozzle size and inlet pressure is determined. …”
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Applicability Analysis of Log Calculation Method for Organic Matter Maturity of Changning Shale Gas Reservoir in Southern Sichuan Basin by QIU Dingguo, YAN Jianping, GUO Wei, LIAO Maojie, QIU Xiaoxue, HUANG Yi

“…Based on the data of geochemistry, laser Raman, asphalt reflectance, physical properties, gas content test and logging curve, the thermal evolution characteristics of organic matter in well shals with different maturity levels in Changning area of south Sichuan were studied, and the sensitive logging responses under different maturity ranges were determined. The calculation methods of equivalent vitrinite reflectance (RO) by deformation ΔlogR, multiple regression and CatBoost algorithms for different maturity types of wells are established, and the calculation results and applicability are compared. …”
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Weighted correlation coefficients for q-rung orthopair fuzzy sets with application in multi-criteria decision-making by Miin-Shen Yang, Mehboob Ali, Yasir Akhtar

“…In many real-world MCDM scenarios, the criteria weights are often unknown, which poses a challenge for methods that rely on user-defined weights. This highlights the need to develop a reliable approach for determining these weights. …”
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Inherent Optical Properties Attenuation Coefficient Modelling for Optical Shallow Water in Kepulauan Seribu of Jakarta, Indonesia by Kuncoro Teguh Setiawan, Mohammad Syamsu Rosid, Masita Dwi Mandini Manessa, A.A. Md. Ananda Putra Suardana, Novi Susetyo Adi, Gathot Winarso, Takahiro Osawa, Wikanti Asriningrum, Harsono Supardjo

“…The results of IOP attenuation coefficient modeling of multispectral remote sensing based on the condition of local water parameters is Kd(λ) = 1.4369 ((a(λ) + b(λ)) / Cos θ) + 0.072. based on the modified Gordon method, The modelling results were obtained with an accuracy of 0.98 determination coefficient (R2) and 0.029 Root Mean Square Error (RMSE).…”
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The Pore Diffusion Coefficient of Iodide Ion in Rock Samples Using X-ray K-edge Imaging by Jiujiang ZHAO, Zhe WANG, Zhidu ZHANG, Hong ZHAO

“…The diffusion method, which measures the steady-state diffusion flux of non-sorbing tracers, such as I− and HTO, has been widely used for the determination of diffusion coefficients. …”
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Development and application of a blocking ELISA method based on Cap protein for detecting antibodies against porcine circovirus 2 by Qingyan Liu, Shuolei Gao, Jiannan Li, Jingyi Yang, Yuxiang Zhu, Jun Zhu, YanJun Zhou, TongLing Shan, Wu Tong, Hao Zheng, Ning Kong, YiFeng Jiang, ChangLong Liu, GuangZhi Tong, Hai Yu

“…Both intra-assay and inter-assay coefficients of variation were less than 10%. In a comparison involving 402 porcine serum samples, the agreement rate with a commercial indirect ELISA kit reached 98.76%, with a kappa value of 0.888, reflecting high concordance between the two testing methods. …”
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SPECTROPHOTOMETRIC DETERMINATION OF ATORVASTATINE CALCIUM by O. Yu. Myronova, S. O. Vasjuk

“…Precision was determined at the level of convergence. Accuracy was established by additives method. …”
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Research on Heat Transfer Coefficient Prediction of Printed Circuit Plate Heat Exchanger Based on Deep Learning by Yi Su, Yongchen Zhao, Jingjin Wu, Ling Zhang

“…Notably, in predicting the heat transfer coefficient of the hexagonal channel, the determination coefficient (R²) of the Transformer–LA model reaches 0.9993, indicating excellent prediction performance. …”
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Application of a Sparsity Pattern and Region Clustering for Near Field Sparse Approximate Inverse Preconditioners in Method of Moments Simulations by Carlos Delgado, Javier Moreno, Felipe Cátedra

“…This document presents a technique for the generation of Sparse Inverse Preconditioners based on the near field coupling matrices of Method of Moments simulations where the geometry has been partitioned in terms of regions. …”
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Investigation of Adsorption Dynamics of Volatile Compounds on Fine-Dispersed Adsorbents with a Pulsing Mode by Quartz Crystal Microbalance Method by A. P. Filippov, P. E. Strizhak, N. V. Vlasenko, Yu. N. Kochkin, T. G. Serebrii

“…The use of piezoquartz resonator with a chemical coating based on a metal stearate, thiolate or cross-linked polymer is proposed as a simple, relatively quick-response sensor to control the current adsorbate concentration in gas phase. The method has been applied for determination of effective diffusion coefficients in the process of ethanol adsorption-desorption on fine dispersed macroporous sulfonic acid resin Amberlyst 15.…”
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Development of a fruit size estimation method using Mask RCNN for water stress estimation in Satsuma mandarin trees. by Ringo Komiya, Mitsunori Iwasaki, Harshana Habaragamuwa, Hiroshi Fukamachi

“…The coefficients of determination between actual and estimated fruit diameters, between fruit growth and water stress, and between measured diameter and water stress were 0.988, 0.7789, and 0.7349, respectively. …”
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Flood Routing in Rivers Using Two-Dimensional HEC-RAS Software and its Comparison with the Non-Linear Muskingum Method by M. Amiri, E. Fazel Najafabadi, M. Shayannejad

“…In general, two types of methods are used to determine the flood trends in rivers. …”
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Assessing Nitrosamine Migration from Drinking Water Contact Materials Using a Validated LLE-GC-MS Method by Beatriz Antunes, Andreia Videira, Ana Penetra, Vitor V. Cardoso, Rui N. Carneiro, Cristina M. M. Almeida

“…The GC-MS method showed a good linear range for all NAs with coefficients of determination (r²) higher than 0.9989, coefficients of variation of the method (CVm) lower than 2.5%, and PG < F (0.05; 1; N-3). …”
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Optimized QuEChERS-HPLC-MS/MS method for pesticide residue detection in strawberries and associated health risks by Hasti Gordan, Vahideh Mahdavi, Moslem Basij, Amin Mousavi Khaneghah

“…The process was validated, and the linear dynamic range (LDR) of matrix-matched calibration curves was 0.005–0.5 mg/kg, with determination coefficients (R2) greater than 0.99. The limits of detection (LOD) and quantification (LOQ) of the method were in the range of 0.0001–0.0059 mg/kg and 0.0003–0.0197 mg/kg, respectively. …”
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Rapid and Accurate Shape-Sensing Method Using a Multi-Core Fiber Bragg Grating-Based Optical Fiber by Georgios Violakis, Nikolaos Vardakis, Zhenyu Zhang, Martin Angelmahr, Panagiotis Polygerinos

“…In this work, we propose a novel, computationally efficient method for determining the 3D tip position of a bent multi-core FBG-based optical fiber using a second-order polynomial approximation of the fiber’s shape. …”
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Optimization of Francis turbine runner based on analytic hierarchy process – entropy weight method and multi-objective Lichtenberg algorithm by Xiaobo Zheng, Wei Wang, Yaping Zhao, Hao Liang, Pengcheng Guo, Zhihua Li

“…Bézier curves parameterize the runner blades, whereas the AHP-Entropy Weight method determines the optimal weight coefficients for operating conditions across the full load range (20%–100%Pr). …”
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