Selective Spectrophotometric and Spectrofluorometric Methods for the Determination of Amantadine Hydrochloride in Capsules and Plasma via Derivatization with 1,2-Naphthoquinone-4-s... by Ashraf M. Mahmoud, Nasr Y. Khalil, Ibrahim A. Darwish, Tarek Aboul-Fadl

“…New selective and sensitive spectrophotometric and spectrofluorometric methods have been developed and validated for the determination of amantadine hydrochloride (AMD) in capsules and plasma. …”
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Evaluation of two sample preparation methods for the determination of cadmium, nickel and lead in natural foods by Graphite Furnace Atomic Absorption Spectrophotometry by David Romero-Estévez, Gabriela S. Yánez-Jácome, Karina Simbaña-Farinango, Pamela Y Vélez-Terreros, Hugo Navarrete

“…This situation calls for the development of locally-applicable analytical methods for the determination of heavy metal concentrations in common vegetal and animal food products. …”
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Effect of seedling size on post-planting growth and survival of five Mexican Pinus species and their hybrids by José Alberto Ponce-Figueroa, Pablo Antúnez, José Ciro Hernández-Díaz, José Ángel Prieto-Ruíz, Artemio Carrillo-Parra, Pablito Marcelo López-Serrano, Christian Wehenkel

“…Therefore, the aim was to evaluate the influence of initial morphological parameters of 2,007 nursery seedlings of these species and their hybrids on their growth and survival 44 months after planting in the Sierra Madre Occidental, Mexico. Methods Spearman’s coefficient (rs) and the unbiased conditional pseudo coefficient of determination (R2c) between each specific predictor and each response variable and their 95% confidence interval (CI95%) were determined using Random Forest, generalized linear model, and bootstrapping. …”
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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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Quantum computations and density functional theory on corrosion inhibition efficiency of BIA, HBT, MBI and PIZ compounds by D. M. Mamand, H. M. Qadr

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Dual crop coefficient of common bean in Tangará da Serra, Mato Grosso by William Fenner, Rivanildo Dallacort, Paulo S. L. de Freitas, Cleonir A. Faria Júnior, Marco A. C. de Carvalho, Guilherme Bariviera

“…The study used the FAO-56 dual kc method, dividing the kc into soil evaporation coefficient (ke), determined in microlysimeters, and basal crop coefficient (kcb), determined in weighing lysimeters. …”
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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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Measures of weed control by means of environmentally friendly technologies in summer-autumn period by O. Kurdiukova, O. Tyshchuk

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New High Efficiency and Strength Bending Strain Sensor Based on Piezoelectric Stacks by Vladimir Sidorov, Nelly Rogacheva, Yulia Zheglova

“…The efficiency of the flexural strain sensor using stacks is of the order of the coupling coefficient <i>k</i>₃₃. …”
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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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Accurate and Efficient Characterization of a High Voltage Capacitor by Fitting Single Discharge Experiments With a Simple Circuit Theory by Po-Yu Chang, Kaviya Aranganadin, Hua-Yi Hsu, Ming-Chieh Lin

“…This makes an accurate determination very difficult and inefficient. In this work, we introduce a new method that can accurately and efficiently characterize the ESR, ESL, and capacitance of a high-voltage capacitor in a single discharge test employing only one capacitor and a spark gap. …”
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Permeability of Concrete and Correlation with Microstructure Parameters Determined by 1H NMR by Yurong Zhang, Shengxuan Xu, Zhaofeng Fang, Junzhi Zhang, Chaojun Mao

“…Water and gas permeability coefficients of concrete with different water-binder (w/b) ratios and admixtures were measured by a self-designed test device based on the steady-state flow method for liquid and the method of differential pressure in stability for gas, respectively. …”
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Using GIS And Geophysics In Selecting Suitable Basins With Freshwater Aquifers For An Efficient Exploration Strategy - A Case Study From Petra-Region, Jordan by Mohammmad Al Farajat, Bernhard Schaefers, Hussein Al Hassanat, Nedal Al Atteyat, Nidal Al Jahed, Jamal Khataibeh

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Increasing the efficiency of teaching the topic "Burns, frostbites, electric traumas" by means of modern educational technology by Nor N.N.

“…The main objective of the work is to test and implement modern interactive methods in the field of medical education, namely the method of cooperative groups into the educational process of the Department of General Surgery of SI "DMA MH" and to determine its efficacy by the example of class on the topic "Burns, frostbites, electrical trauma. …”
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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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Extraction and Determination of Amygdaline in Iraqi Plant Seeds Using the Combined Simple Extraction Procedure and High-Performance Liquid Chromatography by Baghdad Science Journal

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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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Low-budget equipment facilitating skid coefficient extraction for traffic accident analysis by Vinicius Lima, Umit Karabiyik, Felipe Kennedy, Igor Mello, Jorge Farias, Manoel Martins

“…Field tests with three vehicle types—a sedan, a pickup truck, and an 18-wheeler truck, demonstrated the device's reliability and efficiency. Unlike traditional approaches, this solution accounts for skid marks and brake activation, offering a more comprehensive and accurate method for traffic accident reconstruction. …”
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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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