Determination of biologically active substances extraction parameters from cranberry leaves by I. K. Vlasova, O. M. Koshovyi, O. S. Kukhtenko, M. A. Komisarenko, Т. V. Ilina, A. M. Kovalyova

“…An assay of phenolic compounds was carried out by spectrophotometric methods. The mass transfer coefficient of each stage (miBAS/Viextragent) was calculated for each indicator and the dependence of these factors on the extraction multiplicity to determine the rational extraction was derived using the software Statistics. …”
Get full text

Comparison of artificial neural network and response surface methodology prediction in key performance of two-component grout material in shield tunneling by Kailong Lu, Xudong Chen, Jiahong Zhang, Jiaming Chen, Zhenwei Liu, Lulu Chen

Get full text

Determinant domain in prognosis evaluation of the septic patient in the intensive care unit. by Alexis Díaz Mesa, Rubén Bembibre Taboada, Alexis Suárez del Villar Labastida, Dagmaris Losa Pérez

“…<br /><strong>Methods:</strong> A descriptive, retrospective, longitudinal and series of cases study (N=155, n=127) with polytomic logistic regression was carried out in order to determine the essential supremacies by means of V Cramer’s, Rho Spearman’s and Pearson R. …”
Get full text

Determining Body Condition of Dairy Cows for Early Diagnosis of Physiological Diseases by D. Yu. Pavkin, S. S. Yurochka, A. A. Polikanova, I. M. Dovlatov

“…(Research purpose) To develop an algorithm for complex operational diagnostics of the physiological state of dairy cows by their live weight and body condition. (Materials and methods) Field data were collected in 2021-2022 on the FSUE Grigoryevskoye (Yaroslavl Region), Istra Cheese Factory and Lenin Dairy State Farm (Moscow Region). …”
Get full text

Sociological Analysis of the Iran Social Science Elites Opinion about Socio-Economic Development by Mahmood Bastaminezhad, Akbar Talebpour, Khalil Mirzaei

“…Kendall coordination coefficient was used to determin the degree of consensus among Delphi panel members and 70 percent was set as level of consensus. …”
Get full text

Suitability of Mechanics-Based and Optimized Machine Learning-Based Models in the Shear Strength Prediction of Slender Beams Without Stirrups by Abayomi B. David, Oladimeji B. Olalusi, Paul O. Awoyera, Lenganji Simwanda

“…Among the ML models, XGB and GBR demonstrated the highest predictive accuracy, with coefficients of determination (R²) of 0.974 and 0.966, respectively, indicating strong correlation with experimental data. …”
Get full text

Analytical Solutions for Thermo-Mechanical Coupling Bending of Cross-Laminated Timber Panels by Chen Li, Shengcai Li, Kong Yue, Peng Wu, Zhongping Xiao, Biqing Shu

“…By restructuring the governing equations into eigenvalue equations, the general solutions for stresses and displacements in the CLT panel are derived, with coefficients determined through the transfer matrix method. …”
Get full text

Force-velocity-power variables derived from isometric and dynamic testing: metrics reliability and the relationship with jump performance by Amilton Vieira, Rafael Cunha, Carlos Gonçalves, Juliano Dal Pupo, James Tufano

“…The Pmax, derived from FVP, was correlated with jump performance, which might evidence the convergent validity of the method.…”
Get full text

Determination and ecological risk assessment of phthalic acid esters in marine sediments by HU Hongmei, LI Tiejun, ZHANG Lu, HAO Qing, SUN Xiumei, JIN Yanjian, YING Zhongzhen, GUO Yuanming

“…We proposed a new method for the determination of 16 phthalic acid esters (PAEs) in marine sediments using gas chromatography-mass spectrometry (GC-MS) combined with ultrasonic extraction and dispersive solid phase extraction cleanup. …”
Get full text

Design and Experiment of DEM-Based Layered Cutting–Throwing Perimeter Drainage Ditcher for Rapeseed Fields by Xiaohu Jiang, Zijian Kang, Mingliang Wu, Zhihao Zhao, Zhuo Peng, Yiti Ouyang, Haifeng Luo, Wei Quan

“…We mathematically modeled soil cutting–throwing dynamics and blade traction forces, integrating soil rheological properties to refine parameter interactions. Discrete Element Method (DEM) simulations and single-factor experiments analyzed impacts of the inner/outer blade widths, blade group distance, and blade opening on power consumption. …”
Get full text

An indirect competitive ELISA for determination of guanidine acetic acid in animal feed by Xingdong Yang, Lili Li, Yang Qu, Lihua Wu, Chenchen Wang, Beibei He, Zhenchun Zang, Xiaofei Hu

“…The indirect competitive ELISA method developed in this study was able to fulfil the requirements for the determination of GAA r esidues in animal feed.…”
Get full text

Quantitative Determination of Fluoroquinolones in Contaminated Soils by HPLC with Solid-Phase Extraction by bashar hussin qassim

“…The relative standard deviation (RSD) from intra-day and inter-day precision was lower than 7%, and the detection (LOD) and quantification (LOQ) limits ranged from 0.9 – 2.7ng g-1.Finally, the proposed method was applied to determine the target compounds in real soil samples irrigated with wastewater. …”
Get full text

Simultaneous Determination of Lead and cadmium in Environmental Samples Using Zinc-diethyldithiocarbamates by Bashar Qasim

“…In this study, a simple, rapid and selective spectrophotometric method with solid phase extraction method has been described for the simultaneous determination of lead (Pb) and cadmium (Cd) in environmental samples using a freshly precipitated zinc-diethyldithiocarbamate (Zn-(DDTC)2) as a reagent. …”
Get full text

Uncertainty analysis of initial orbit determination in the minimum radar admissible region by Yasheng Zhang, Jinyan Xue, Xuefeng Tao, Shuailong Zhao

“…The MRAR can contain the real orbit state with a probability greater than 99.7%; the weight coefficients of each sampling point in the MRAR are calculated by using the Bayesian formula, and the probability density function of the IOD is obtained by using the weighted kernel density estimation method. …”
Get full text

Green RP-HPLC method for simultaneous quantification of epigallocatechin-3-gallate and rosmarinic acid in lipid-based nanocarriers and biological fluids: Quality by design-driven o... by Rahul Koli, V.S. Mannur

“…Linearity was observed over a concentration range of 2 to 10 µg/mL for both EGCG and RA, yielding correlation coefficients of 0.998 and 0.999, respectively. The LOD and LOQ were determined to be 0.51 µg/mL and 1.54 µg/mL for EGCG, and 0.35 µg/mL and 1.07 µg/mL for RA. …”
Get full text

The simultaneous determination of lycopene and β-carotene in fruit vegetables and plasma by HPLC by LI Xiang-rong, FANG Xiao, CHEN Qing-jun, HUANG Bai-fen

“…To establish a rapid determination method of lycopene and β-carotene in fruit vegetables and plasma, different pretreatments were used for different samples. …”
Get full text

Numerical Analysis of the Characteristics of the Heat Treatment Process of Multilayer Composite Products in Heat Technology Installations by V. N. Romaniuk, A. M. Niyakovskii, A. N. Chichko, Yu. V. Yatskevich, Т. N. Ryzhova

Get full text

Determining of trend variation in quality parameters of Shabestar plain underground water by Mehdi Panahi, Farhad Misaqi, Farid Ghanbari

“…Slope of the trend line was calculated by the age method. The qualitative parameters in this study are total anions, total cations, EC, SAR, CL--, , Ca2+, TH, Ph, TDS,  , Na%, Na+, Mg2+ and K+ that are measured two times every year. …”
Get full text

Determination of the reduced electric field in surface dielectric barrier discharge plasmas by А.А. Муталип, Е.А. Усенов, А.К. Акильдинова, М.Қ. Досболаев, М.Т. Габдуллин, Т.С. Рамазанов

“…The utilized method is quite simple, accessible and versatile. …”
Get full text

DETERMINING THE NUMBER OF OCCUPIED PERSONS, NEEDED BY DAIRY CATTLE FARMS IN BULGARIA by Tsvetana HARIZANOVA – METODIEVA, Nikola METODIEV

“…A regression model was constructed with a confidence level of 95% using the Ordinary Least Squares Method. The regression model is as follows: L = C1.A + C2.D + C + a, where: L is natural logarithm of the the number of occupied persons, needed by dairy cattle farms; А is natural logarithm of the decares of arable land; D is natural logarithm of the number of dairy cows; C1 and C2 are the coefficients of the independent variables; С is a constant; a is an error of the regression. …”
Get full text