Contact Parameter Calibration for Discrete Element Potato Minituber Seed Simulation by Kai Chen, Xiang Yin, Wenpeng Ma, Chengqian Jin, Yangyang Liao

“…Subsequently, two repose angle tests are carried out by employing the box side plates lifting method and the cylinder lifting method. With the application of the response surface method and a search algorithm based on Matlab 2019, the optimal combination of seed-to-seed contact parameters, namely, the collision recovery coefficient, static friction coefficient, and rolling friction coefficient, is obtained, which are 0.500, 0.476, and 0.043, respectively. …”
Get full text

Design and Experimental Verification of a 1/20 Scale Model of Quayside Container Crane Using Distortion Theory by Zhe Li, Fangping Ye, Shiying Wu

“…In the second step, the bending stiffness is selected and determined as the distortion term and, then, the relationship between the distortion coefficient and the prediction coefficient is obtained by the finite element prediction coefficient method. …”
Get full text

Solubilization of <i>n</i>-hexadecane by micellar solutions of trehalolipid - surfactants of biological origin by I. A. Nechaeva, A. S. Parfenova, A. S. Filippova, A. E. Filonov

“…In order to establish the solubilizing ability of biosurfactants, the residual concentration of n-hexadecane in an aqueous sample of different concentrations was determined using a gas chromatographic method of analysis.Results. …”
Get full text

ASSESSMENT OF BIOLOGICAL AGE AND RATE OF AGING OF PATIENTS WITH UNDIFFERENTIATED CONNECTIVE TISSUE DYSPLASIA by N. Yu. Kononova, T. E. Chernyshova, R. M. Zagrtdinova

“…Assessment of biological age and the rate of aging of patients with undifferentiated connective tissue dysplasia.Materials and methods. 89 women with 6 or more undifferentiated connective tissue dysplasia phenes and 42 women of the control group with less than 6 undifferentiated connective tissue dysplasia phenes had their biological age determined using the method of V.P. …”
Get full text

MANAGEMENT AND VALORIZATION OF AGRICULTURAL WASTES FROM WINE PRODUCTION USING STATISTICAL ANALYSIS TO OBTAIN NOVEL FOOD by Gjore NAKOV, Zlatin ZLATEV, Iliana LAZOVA-BORISOVA, Jasmina LUKINAC

“…Determination coefficient (R2), model coefficients, their standard error (SE), t-statistics (tStat), p-value, Fisher's criterion (F) are determined. …”
Get full text

ROLE OF CHEMICAL, BIOLOGICAL MEDICINE AND FERTILIZERS IN INCREASE OF GRAIN CROP YIELDS IN THE STEPPE PARTS OF BASHKORTOSTAN by G. N. Garipova, A. A. Sakhibgareev

“…All phases of the crops development were accompanied by the protection against pests using a range of measures. The efficient methods of decrease of grain crop infection by the method of seed disinfection with chemicals together with biologic drugs have been shown; the creation of tank mixtures was also an efficient method while sprinkling during the vegetation period. …”
Get full text

Optimized removal of trivalent arsenic from aquatic environments using Prosopis juliflora seed biomass by M. Samimi, J. Nouri

“…The analysis of experimental data revealed the coefficient of determination, adjusted coefficient, and predicted coefficient values to be 0.9936, 0.9820, and 0.9053, respectively. …”
Get full text

ASSESSMENT OF THE COMPETITIVENESS OF THE MARITIME TRANSPORT INFRASTRUCTURE OF UKRAINE AND EUROPEAN COUNTRIES by Vladyslav Stepanenko, Natalia Lokhman

“…At the first stage, the indicators were standardized, at the second, the weight coefficient of the selected indicators was calculated, at the third stage, the total rank of indicators was calculated, at the fourth stage, the weighting coefficient was calculated for each group of indicators, and at the fifth stage, the integral indicator of the competitiveness of the maritime transport infrastructure was determined. …”
Get full text

A mathematical model for facility location in banking industry by Amir Ehsani, Abolfazl Danaei, Mohammad Hemmati

“…The method has been applied for four cities in province of Seman, Iran and using WinQSB, the efficient locations of the facilities for a private bank named Samen have been determined.…”
Get full text

Jordan–Schur Algorithms for Computing the Matrix Exponential by Petko H. Petkov

“…The off-diagonal blocks of the exponential are determined by modifications of the Schur–Parlett or Schur–Fréchet method, which takes advantage of the Jordan–Schur form of the matrix. …”
Get full text

Estimation of Synthetic Unit Hydrographs’ Parameter Values: The Case of Wadi Al-Badan Sub-Catchment, West Bank, Palestine by Ghossoun Hamedallah, Sameer Shadeed

“…The parameters were determined for the Snyder; peaking coefficient depends on the storage capacity of the catchment Cp = 0.88 and the non-dimensional regional coefficient representing catchment storage effects and slope Ct = 1.26 and for the SCS; Cp = 1.90 and the coefficient depending on the total runoff volume occur before peak discharge C = 2.92. …”
Get full text

Collapse risk assessment based on linear programming variable weight-cloud model. by Xiaoyi Zhou, Ke Hu, Tingqiang Zhou

“…Firstly, the weight interval of evaluation index is determined by improved analytic hierarchy process, entropy weight method and coefficient of variation method. …”
Get full text

In Vitro Assessment of Optical Properties of Blood by Applying the Extended Huygens-Fresnel Principle to Time-Domain Optical Coherence Tomography Signal at 1300 nm by Dan P. Popescu, Michael G. Sowa

“…A direct method for the measurement of the optical attenuation coefficient and the scattering anisotropy parameter based on applying the extended Huygens-Fresnel principle to optical coherence tomography images of blood is demonstrated. …”
Get full text

Crack propagation in micro-chevron-test samples of direct bonded silicon-silicon wafers by K. Vogel, D. Wuensch, A. Shaporin, J. Mehner, D. Billep, M. Wiemer

“…The minimum of the stress intensity coefficient can be determined by a FE-simulation only. …”
Get full text

Enhancing lung disease diagnosis with deep-learning-based CT scan image segmentation by Rima Tri Wahyuningrum, Achmad Bauravindah, Indah Agustien Siradjuddin, Budi Dwi Satoto, Amillia Kartika Sari, Anggraini Dwi Sensusiati

“…Using two different datasets, RSPHC (Indonesia) and Kaggle, testing was conducted to determine the model with the optimum performance. The criteria used to evaluate model performance included the Dice coefficient and IoU metrics, most efficient computational time, and minimal resource requirements (measured by trainable parameters). …”
Get full text

Event Discrimination Using Phase Correlation in &#x03A6;-OTDR System Based on Coherent Detection by Zhen Zhong, Feng Wang, Xuping Zhang

“…A vibration event acting on the fiber induces the change of the correlation coefficient. So, the number of vibration events is determined by the number of changes of the correlation coefficient. …”
Get full text

Leveraging retinanet based object detection model for assisting visually impaired individuals with metaheuristic optimization algorithm by Alaa O. Khadidos, Ayman Yafoz

“…However, many navigation methods are available, and efficient object detection (OD) methods for visually impaired people (VIP) need to be improved. …”
Get full text

The Most Important Measures in Reducing Infection Control in the Anesthesia Work Environment: An Evidence-Based Study by Younes Barazesh, Parisa Moradimajd, Azam Saei, Jamileh Abolghasemi, Mohammad-Mahdi Azizi-Darbandi

“…To assess the validity of the approach used in calculating the content validity coefficient (CVR) and the content validity index (CVI), Finally, the Test-Retest method, and Cronbach's alpha coefficient were used to determine reliability. …”
Get full text

Multi-objective design optimization of a transonic axial fan stage using sparse active subspaces by Richard Amankwa Adjei, Chengwei Fan

“…Coupled with freeform method and multi-objective genetic algorithm, an automated optimization loop was run at a single operating condition. …”
Get full text

基于变性法加工的准双曲面齿轮齿面啮合分析 by 李明, 邓效忠

“…The mathematical model of gear cutting machining of hypoid gear wheel forming,small modified method is set up.The basic form of modified expression is deduced and the initial value of modified coefficient is determined.The mathematical model of gear meshing is established.The influence of modified-roll coefficient on tooth surface meshing performance is studied by using the tooth surface detection technology.…”
Get full text