DEVICE AND METHODS FOR RESEARCH ROLLING FRICTION AND CONTACT ADHESIONE IN PRE-ROLLING by I. Z. Gilavdary, N. N. Riznookaya

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UV Spectrophotometric Method for the Estimation of Tadalafil in Bulk and Tablet Dosage form by Mohammad Yunoos, D.Gowri Sankar, B.Pragati Kumar, Shahul Hameed

“…A simple, sensitive, precise and highly accurate UV spectrophotometric method has been developed for the determination of tadalafil in bulk and tablet dosage form. …”
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Classification and Comparison of Eight Different Growth Curve Methods for Pekin Duck by Hasan Önder, Mine Yılmaz, Mustafa Şahin, Uğur Şen, Sibel Bozkurt, Kadir Erensoy, İsmail Gök, Tolga Tolun, Ahmet Uçar

“…According to the goodness of fit criteria such as mean square prediction error, coefficient of determination, adjusted coefficient of determination, accuracy factor, bias factor, Durbin–Watson value, Akaike Information Criteria, corrected Akaike Information Criteria, Bayesian Information Criteria and standard error of the regression and interpretation of the growth curves and clustering hierarchical 3‐D dendrograms, the Schnute and Richards models, were found to be a suggestible model for 70 days growth of both female and male Pekin ducks, but the Richards model can be more recommendable due to calculation easiness.…”
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An Improved Fuzzy Trajectory Clustering Method for Exploring Urban Travel Patterns by Fang Liu, Wei Bi, Wei Hao, Fan Gao, Jinjun Tang

“…Moreover, three indices including Silhouette Coefficient, Davies–Bouldin index, and Calinski–Harabasz index are used to evaluate the effectiveness among the proposed method and other traditional clustering methods. …”
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Method of assessment of the competition’s level among fitness clubs on the local market by E. V. Krasnov

“…The article describes the author’s method of assessment of the level of competition among fitness clubs on the local market in conditions of limited information about the economic performance of competitors. …”
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Nutritional Value of Whole Corn Germ Obtained by the Wet Method for Poultry by Michele Bernardino de Lima, Carlos Bôa-Viagem Rabello, Gabriel Henrique Nacamura da Silva, Jaqueline Aparecida Pavanini, Rita Brito Vieira, Isidro Chemane Argentina, Lizandra Amoroso, Edney Pereira da Silva

“…The variables analyzed were coefficients for amino acids in corn germ meal and fatty acid digestibility. …”
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Method for calculating a two-stage thermoelectric system for local hypothermia by Z. M.-Z. Badrudinova, O. V. Evdulov, Z. A. Kamilova, S. G. Magomedova, G. M. Guseynov

“…The aim of the study is to develop a methodology for calculating a two-cascade thermoelectric system (TPS) for local hypothermia, as well as a theoretical analysis of its operation.Method. The model is built on the basis of solving three problems, consisting in determining the parameters of a two-stage thermoelectric module (TEM), thermophysical characteristics of the interface system with a biological object, and heat removal for cooling the hot junctions of the thermomodule.Results. …”
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Method of accounting importance of the goal in task of aircraft distribution between firepower by A. Yu. Liplianin, A. S. Shein, A. V. Khizhniak

“…The assessment of efficiency gains of solving the problem target distribution with use of the method of determining importance target as potential air attack means risk for object is realised.…”
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Metrological evaluation of methods for control the safety indicators of leukoreduced platelet concentrates by N. S. Nikulina, E. N. Kalinina, E. V. Nozdrina, N. V. Isaeva, T. V. Krivokorytova, E. S. Kormshchikova

“…The CV of the method for determining pH by potentiometric method was 0,4 %. …”
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Uncertainty evaluation in activity measurements with HPGe using two relative methods by Maria Candida Moreira de Almeida, Jose Ubiratan Delgado, Ronaldo Lins Silva, Roberto Poledna, Regio S Gomes, Alfredo L Ferreira Filho

“…The total uncertainties obtained by sample-standard method varied from 0.4 to 1.2 % (k=1). The results using efficiency curve method are between 0.9 to 2.2 % (k=1).…”
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Research of the Virtual Test Method for Dynamic Load Simulation of Automatic Transmission by Zou Xihong, Gou Xun, Zheng Xiaomei, Zhao Jun

“…The results show that the motors can response to speed and torque instruction of model rapidly,the system can run smoothly,the maximum relative errors of rotational speed and torque are 1% and 8%,the standard errors of estimate（ SE） and the coefficients of determination（ r²） of speed and torque are 4. 3 r/min,17. 7 N·m and 0. 99,0. 91,it has a better performance than EPA performance index.…”
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Small Modification on Modified Euler Method for Solving Initial Value Problems by Abushet Hayalu Workie

“…In this article, small modification to the Modified Euler Method is proposed. Stability and consistency were tested to determine the end result, and some numerical results were presented, and the CPU time was compared again, and it is recognized that the proposed method is more reliable and compatible with higher efficiency.…”
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SYNTHESIS METHODS OF ALGEBRAIC NORMAL FORM OF MANY-VALUED LOGIC FUNCTIONS by A. V. Sokolov, O. N. Zhdanov, O. A. Ayvazian

“…The rapid development of methods of error-correcting coding, cryptography, and signal synthesis theory based on the principles of many-valued logic determines the need for a more detailed study of the forms of representation of functions of many-valued logic. …”
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The Quasireversibility Regularization Method for Identifying the Unknown Source for the Modified Helmholtz Equation by Xiao-Xiao Li, Fan Yang, Jie Liu, Lan Wang

“…Moreover, numerical results are presented to illustrate the accuracy and efficiency of this method.…”
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Integral criterion for estimation the effectiveness of lithotripsy-treated urolithiasis by I. A. Arbuzov, I. V. Feofilov, S. A. Rakhimov, V. S. Chernega

“…Expert survey was carried out using the questionnaire method. Mathematical methods of the operations research theory and the criteria importance theory were used to construct an integral efficiency criterion.Results. …”
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Сomparative analysis of methods for calculating stamp modules of soil deformation by A. S. Prolygin, A. L. Kalinin, A. S. Aleksandrov, N. P. Aleksandrova

“…Based on this comparison, we made judgments about the significance of differences in the samples.Discussion and conclusions. To determine the deformation modulus of soil and road pavements made of granular materials, a method for calculating the modulus of deformation using a method that assumes a nonlinear dependence of deformations on pressures, described by a second-degree polynomial is recommended.…”
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A Simple yet Accurate Method for the Estimation of the Biovolume of Planktonic Microorganisms. by Alessandro Saccà

“…The proposed method is based on Archimedes' principle about the relationship between the volume of a sphere and that of a cylinder in which the sphere is inscribed, plus a coefficient of 'unellipticity' introduced here. …”
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Titanium deoxidation mechanism probed using an electron beam melting method by Hyun chul Kim, Namhun Kwon, Jae-Hong Shin, Dong hyun Kim, Soong Ju Oh, Kyoung-Tae Park

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Pregabalin and Tranexamic Acid Evaluation by Two Simple and Sensitive Spectrophotometric Methods by Nawab Sher, Nasreen Fatima, Shahnaz Perveen, Farhan Ahmed Siddiqui, Alisha Wafa Sial

“…Excellent recovery in Placebo spiked samples indicated that there is no interference from common excipients. The analytical methods under proposal were successfully applied to determine tranexamic acid and pregabalin in commercial products. t-test and F ratio were evaluated without noticeable difference between the proposed and reference methods.…”
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Method for Calculating Parameters of Mechanical Properties of Rocks for Simulation of Hydraulic Fracturing by A-G. G. Kerimov, E. G. Kerimova, S. B. Beketov, T. A. Gunkina, V. G. Kopchenkov

“…The information obtained allows one to quickly and efficiently perform the necessary calculation of the strength properties of the walls of the well, perform hydraulic fracturing efficiently, determine the characteristics of the elastic medium practically on a real-time scale, as well as design other technological processes using the fundamental laws of underground hydrodynamics and analysis of the results of geological and field studies. …”
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