Regression Analysis in Development of Method for Isolation and Quantitative Determination of Water-soluble Polysaccharides from Sunflower Roots of One-year-old by N. A. Dyakova

“…The adequacy of the model was confirmed by testing hypotheses against Pearson's χ2 criterion. The correlation coefficient derived from the values of the regression coefficient and the mean square deviation was used in determining the tightness of the overall relationship between the source and the obtained data. …”
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Improving Orbit Prediction of the Two-Line Element with Orbit Determination Using a Hybrid Algorithm of the Simplex Method and Genetic Algorithm by Jinghong Liu, Chenyun Wu, Wanting Long, Bo Yuan, Zhengyuan Zhang, Jizhang Sang

“…A hybrid algorithm of the simplex method and genetic algorithm is proposed to improve orbit determination accuracy using TLEs. …”
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A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing by Shoujun Wu, Fuzhou Feng, Junzhen Zhu, Chunzhi Wu, Guang Zhang

“…A method called center frequency statistical analysis (CFSA) is proposed in this paper to determine K value. …”
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Implementation and Validation of an Analytical Method for Lincomycin Determination in Feathers and Edible Tissues of Broiler Chickens by Liquid Chromatography Tandem Mass Spectrome... by Aldo Maddaleno, Ekaterina Pokrant, Francisca Yanten, Betty San Martin, Javiera Cornejo

“…The calibration curves showed a coefficient of determination (r2) greater than 0.99 for all matrices, while recovery levels ranged between 98% and 101%. …”
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An efficient numerical procedure for calculating periodic vibrations of elastic mechanisms by Nguyen Van Khang, Nguyen Phong Dien, Nguyen Sy Nam

“… This paper proposes a numerical procedure based on the well-known Newmark integration method to determine initial conditions for the periodic solution of a system of linear differential equations with time-periodic coefficients. …”
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Analysis of influence of the item total scores on the levels of ability of respondents in the dichotomous Rasch model based on the weighted maximum likelihood method by E. B. Belov, M. V. Alekseev, N. P. Kitaev, A. I. Kuchumov

“…For items, we calculate the item total scores that determine their items difficulties. The weighting coefficients of the used WML depend on the item total scores and on the coefficient of influence K. …”
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An On-Line Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry Method for the Determination of Perfluoroalkyl Acids in Drinking and Surface Waters by Michela Mazzoni, Marianna Rusconi, Sara Valsecchi, Claudia P. B. Martins, Stefano Polesello

“…An UHPLC-MS/MS multiresidue method based on an on-line solid phase extraction (SPE) procedure was developed for the simultaneous determination of 9 perfluorinated carboxylates (from 4 to 12 carbon atoms) and 3 perfluorinated sulphonates (from 4 to 8 carbon atoms). …”
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Development and validation of a stability-indicating HPLC method for the simultaneous determination of anticoccidial drugs in veterinary formulations: greenness and whiteness asses... by Michel Y. Fares, Shimaa Ebrahim Abdel Aziz, Israa Abdelghafar khalil, Asmaa Othman El Demerdash, Neven M. Habib

“…As a result, simple analytical techniques are critical for determining anticoccidial drugs. A new, sensitive, and environmentally friendly HPLC method was developed for determining amprolium (AMP), sulfaquinoxaline (SUL), diaveridine (DIV), and vitamin K3 (VIT K3) in their formulations for the first time. …”
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The Application of Imperialist Competitive Algorithm in Determining the Optimal Parameters of Empirical Area Reduction Method to Predict the Sedimentation Process in Dez Dam by Arash Azari, Sadegh Soori Hossein Bonakdari, Hossein Bonakdari

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Simultaneous determination of moisture, 1,2-propanediol, glycerol and menthol in tobacco products using GC-TCD&FID in parallel method by Yaping Ma, Qinlin Xiao, Li Li, Juan Yang, Jing Wen, Yuyang Deng, Jia Guo, Xixiang Zhang, Wu Wen, Yi Shen

“…However, accurately measuring these components simultaneously remains a challenge. In this study, a method applying GC-TCD&FID method for the simultaneous determination of moisture, 1,2-propanediol, glycerol and menthol was developed. …”
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Dispersive liquid-liquid microextraction/HPLC techniques for determination of oxytetracycline and doxycycline residues in beef samples: method developments and statistical analysis by Muinat Aliu, Abibat Junaid, Abdulrahman Ibraheem, Aisha Ishaq, Abubakar Lawal, Kikelomo Ayeni`, Amudalat Lawal, Lukman Abdulra'uf

“… A rapid, cost-effective and environment-friendly sample pre-treatment method involving dispersive liquid-liquid microextraction (DLLME) and high-performance liquid chromatography (HPLC) was developed and applied for the extraction of oxytetracycline and doxycycline residues in beef samples (liver, kidney and muscle). …”
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Establishment and Validation of Sensitive Liquid Chromatography–Tandem Mass Spectrometry Method for Aldosterone Quantification in Feline Serum with Reference Interval Determination... by Tommaso Furlanello, Francesca Maria Bertolini, Andrea Zoia, Jose Sanchez del Pulgar, Riccardo Masti

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Novel Green RP-HPLC Method for Simultaneous Determination of Sodium Diclofenac and Benzyl Alcohol as Bulk Mixtures and in Pharmaceutical Injectable Forms by Ola Mahmod Younes

“…Therefore, a new practical, accurate, and green RP-HPLC method was developed to determine Sodium Diclofenac and Benzyl Alcohol simultaneously in bulk and pharmaceutical injectable forms. …”
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A Novel Analysis Method for Simultaneous Determination of 31 Pesticides by High-Performance Liquid Chromatography-Tandem Mass Spectrometry in Ginseng by Xingang Hou, Liangyue Liu, Liping Wei, Da Feng, Meng Lv, Xiumei Wang, Xiaolong Yu, Zhongbin Lu, Zhiguang Hou

“…In this study, a novel analysis method was established for simultaneous determination of 31 pesticides in ginseng by high-performance liquid chromatography-mass spectrometry. …”
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Use of Environmental DNA to Determine Fantail Darter (Etheostoma flabellare) Density in a Laboratory Setting: Effects of Biomass and Filtration Method by Ramon A. Guivas, Ben F. Brammell

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Improving the Efficiency of Electric Rolling Stock Operation Through the Use of Adaptive Filtering Methods for High Harmonic Current Components in Traction Drive Systems by Goolak S.

“…The aim of this work is to investigate the efficiency of various adaptive filtering methods for higher harmonic components of stator currents in a vector-controlled traction drive system to improve the operation efficiency of electric rolling stock. …”
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Efficiency of Paraumbilical Trocar Hernias Alloplasty Methods, Combined with Diastasis Recti, Taking Into Account the Risk Factors of Their Relapse (First Notice) by Dadayan V.

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DEVELOPMENT OF CYCLIC VOLTAMMETRIC METHOD FOR THE STUDY OF THE INTERACTION OF ANTIOXIDANT STANDARDS WITH SUPEROXIDE ANION RADICALS CASE OF α-TOCOPHEROL by TOUHAMI LANEZ, MERIEM HENNI, HADIA HEMMAMI

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Influence of dead layer on the response function of planar and coaxial Ge detector using Monte Carlo method by R. A. El-Tayebany, N. Shaaban

“…The detector response function feature's most probable interaction mechanisms are described. The Monte Carlo method is applied to simulate the calibration of a HPGe detector in order to determine the total inactive germanium layer thickness and the active volume that is needed in order to study the response function for both types of detectors. …”
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Quality Evaluation of Micro-Holes Processed by Efficient One-Step Femtosecond Laser Helical Drilling Method in Nickel-Based Superalloy by Mingquan Li, Yiyu Chen, Li Dong, Dan Liu, Xudong Sun

“…This research work details the main factors affecting the orifice and profile morphology of micro-holes processed by the one-step femtosecond laser helical drilling method. Cylindrical holes or even inverted cone holes can be obtained with the appropriate deflection angle and translation distance. …”
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