A Dynamic Thermal-Allocation Solution to the Complex Economic Benefit for a Data Center by Hui Liu, Wenyu Song, Tianqi Jin, Zhiyong Wu, Fusheng Yan, Jie Song

“…From the perspective of economic benefits, we propose a mathematical model for thermal distribution of a data center and study which workload distribution could determinately change the thermal distribution in the dynamic data center runtime, so as to reduce the cost and improve the economic benefits under the guarantee of service provisioning. …”
Get full text

Research on the Distribution of Emergency Supplies during the COVID-19 Epidemic by Jian-guo Zheng, Qing Yang, Shui-lin Chen

“…With the shortest total distribution distance as the objective function, a mathematical model of mixed integer linear programming is established, and the crossover operation of the genetic algorithm, the destruction operator and the repair operator of the large neighborhood search algorithm are introduced in the brain storm optimization algorithm to enhance the diversity of the solution while making the solution toward the optimal direction. …”
Get full text

Security Evaluation of Provably Secure ECC-Based Anonymous Authentication and Key Agreement Scheme for IoT by Kisung Park, Myeonghyun Kim, Youngho Park

“…However, this paper demonstrates through logical and mathematical analyses that the previous work is vulnerable to various attacks. …”
Get full text

Study on the Characteristics of Self-Stabilizing Height Distribution for Deep Foundation Pit Vertical Sidewall in Binary Strata of Upper Soil and Lower Rock by Zhang Ziguang, Yihang Li, Jiesheng Zhang, Tao Xu, Guangyong Cao, YiKang Xu

“…The spatial distribution map of the self-stabilizing height for deep foundation pit vertical sidewall in upper soil and lower rock binary stratum has been constructed, and the mathematical fitting equation between Hr0 and Hs has been obtained. …”
Get full text

Influence of Salts on the Adsorption of Lysozyme on a Mixed-Mode Resin by Jannette Kreusser, Fabian Jirasek, Hans Hasse

“…At constant ionic strength, the highest lysozyme loadings were observed for ammonium sulfate, the lowest for sodium chloride. A mathematical model was developed that correctly describes the influence of the ionic strength as well as the influence of the studied salts. …”
Get full text

Macro-meso failure mechanism and strength criterion of frozen weakly cemented sandstone under triaxial unloading by Qinghai Deng, Hao Fu, Junchao Wang, Xiaobiao An, Xianzhou Lyu

“…Based on the experimental data and mathematical analysis methods, the non-linear criterion was constructed and analyzed. …”
Get full text

Revising Transient-Pressure Solution for Vertical Well Intersected by a Partially Penetrating Fracture with Non-Darcy Flow Effect by Shuheng Cui, Jie Kong, Hongwei Yu, Cheng Chen, Junlei Wang

“…The principle purpose of this work is to formulate an accurate mathematical model to evaluate the transient pressure behavior of a well intercepted by a partially penetrating vertical fracture (PPVF) with non-Darcy flow effect. …”
Get full text

Los métodos gravitacionales como herramienta para el cálculo de las emisiones de gases de efecto invernadero derivadas del tráfico rodado en la planificación urbana Gravity methods... by Sergio Zubelzu Mínguez, Alfonso López Díaz, Miguel Ángel Gutiérrez García, Fernando Blanco Silva

“…The method uses information about the cities and their growth estimates in order to model traffic by using a gravity model. These kind of mathematical models allow study the number of trips "originated in" or "destined for" a particular area and distribute them to calculate the greenhouse gases emissions from these trips. …”
Get full text

AN APPROACH TO CELL NUCLEI COUNTING IN HISTOLOGICAL IMAGE ANALYSIS by M. M. Lukashevich, V. V. Starovoitov

“…The main aim of our work was to develop an efficient scheme of automatic counting cell nuclei based on advanced image processing methods: directional filtering, adaptive image binarization and mathematical morphology. Unlike prior research, the presented approach does not provide segmentation of cell nuclei in the image, but only requires to detect them and count their number. …”
Get full text

Integration of Wind Power for Sustainable Energy at Lagos State University of Science and Technology: A Feasibility Study by Akachukwu Oyim, Opeyemi Akerekan, Nwachukwu Ogbonna

“…The methodology involves mathematical modelling to analyze wind shear exponent, Weibull distribution, maximum power available, and capacity factor. …”
Get full text

Development of an information measuring and control system for a quadrocopter by V. V. Sleptsov, V. L. Afonin, A. E. Ablaeva, Ba Phuong Dinh

“…A functional scheme and a mathematical model of the information-measuring and control system of the quadrocopter in the form of a block diagram are developed taking into account the influence of delays in the receipt of information from the sensors of the quadrocopter parameters. …”
Get full text

Structural organization of learning styles among students with different risk of internet-dependent behavior by Natalia A. Bembeeva, Alla K. Belousova

“…The study also used methods of mathematical and statistical processing of empirical data, in particular, structural and psychological analysis based on generalized indicators of the index of organization, integrativity and differentiation of the structure, the express-x^2 method for comparing matrices and structurograms for their "homogeneityheterogeneity", proposed by A.V. …”
Get full text

Assessment of the sedimentation and trapping efficiency in dam reservoirs by applying the settling basin framework by Bérenger Koffi, Koffi Eugène Kouakou, Alexis Loukou Brou, Martin Sanchez, Ouédé Gla Blaise, Brice Wawogninlin Coulibaly, Franck Hervé Akaffou, Michal Habel, Amani Michel Kouassi, Dibi Brou, Kouakou Lazare Kouassi

“…This study presents a hydrosedimentary mathematical model based on the theory of settling basins and Gamma Law approaches to describe the settling velocity of suspended solids. …”
Get full text

Synthesis and Optimization of 2,5-Dihydroxyterephthalic Acid in a Slurry Reactor by Reza Pirdadeh Beiranvand, Saeed Ovaysi

“…An additional 14 more experiments devised by the Box–Behnken design scheme are performed to determine a quadratic model for the DHTA yield against the three parameters mentioned above. A mathematical optimization of the model predicts 83.385% DHTA yield at 200°C, 2.085, and 250 min for temperature, catalyst-to-DSH molar ratio, and reaction time, respectively. …”
Get full text

Optimization Analysis of Pretreatment Device Structural Parameters for Low-Concentration CBM Utilization by Lu Xiao

“…The dimensionless mathematical correlation between the resistance loss and the uniformity of gas is refined, and the maximum error between the resistance loss and the simulation results is controlled within 10%; it provides a theoretical basis for the uniformity and low resistance mixing of different gases in the gas industry. …”
Get full text

Calibration of double electroinduction spherical electric field strength sensor in a homogeneous field by S. V. Biryukov, L. V. Tyukina, A. V. Tyukin

“…For this, a current signal simulator has been developed, which is based on mathematical relationships obtained during the theoretical interaction of a sensor with a homogeneous ED. …”
Get full text

Developing a GIS Model for Identifying Bear Corridors with Open-Source Data: The Romanian Context by Sanda Roșca, Alexandru Chira, Iuliu Vescan, Ștefan Bilașco, Ioan Fodorean, András-István Barta, Vasile Ceuca, Paul Sestraș

“…The analysis of these habitats, where the bear population has exceeded the optimal level that they can support, highlighted that to allow the passage of bear specimens from one habitat to another, it is necessary to create ecological corridors in several key areas deducted on the basis of mathematical models.…”
Get full text

Preliminary validation of two math screening tools to identify gifted students in grades 3–5 in Jordan by Bashir Abu-Hamour, Hanan Al Hmouz

“…IntroductionEarly screening for mathematically gifted students (MGSs) in Jordan and other Arab countries is limited, posing challenges in identifying and providing appropriate educational services. …”
Get full text

Improved Adaptive PI-like Fuzzy Control Strategy of Permanent Magnet Synchronous Motor by Wenshao Bu, Shihao Guo, Zongang Fan, Jinwei Li

“…The fuzzy controller is a popular choice for permanent magnet synchronous motor (PMSM) control systems because of its advantages, such as straightforward design, and no reliance on the precise mathematical model of the motor. But the existing pure PI-like fuzzy control strategy still has some disadvantages, such as poor adaptive ability and large overshooting. …”
Get full text

Development of a multiaxial fatigue damage parameter and life prediction methodology for non-proportional loading by Sandip Suman, Alan Kallmeye, John Smith

“…The proposed formulation eliminates many of the shortcomings of the earlier developed critical-plane fatigue damage models. It is mathematically simple with substantially fewer material dependent constants, and provides design engineers with a tool to predict the fatigue life of machine parts with minimal computational effort. …”
Get full text