Numerical simulation and experimental study of laser powder bed fusion for directional DZ125 alloy repair by ZHU Jiarui, GE Haoyu, ZHANG Yuheng, YONG Wei, YIN Bingbing, GUI Yunwei, FU Huadong, SHU Guogang

“…It is difficult to efficiently and accurately reveal the evolution rules of defects and microstructures in the multi-scale and multi-physical field coupling LPBF process through experimental methods only. …”
Get full text

The Means to Improve Water Treatment and to Enhance Power Engineering Performance of the Water Source Heat Pump by L. R. Junussova, S. K. Abildinova, M. B. Aliyarova, S. V. Chicherin, T. Ja. Junussov

“…The intervals of alteration of frequency of the alternating current corresponding to energy-efficient values of coefficient of transformation of energy of the heat pump are investigated. …”
Get full text

Enhanced remediation of Pb(II)-Contaminated Fine-Grained soil using citric acid ex situ leaching coupled with electrochemical treatment by Xiaoliang Zhao, Shaohui Feng, Bandna Bharti, Fangwei Han, Zhao Lian, Zhaolin Shen, Jing Du, Yide Li, Hanliang Li

“…Abstract This study proposes an efficient ex situ remediation method combining leaching with electrochemical treatment for Pb(II)-contaminated fine-grained soil. …”
Get full text

SOCIO-ECONOMIC ASPECTS OF THE CONCEPT OF SUSTAINABLE DEVELOPMENT IN AZERBAIJAN REPUBLIC by Z. T. Imrani, M. R. Musayeva

Get full text

OPERATIONAL PLANNING IMPROVEMENT OF ENTERPRISES GOODS’ CARRIAGE BY SMALL SHIPMENTS IN THE CITIES by A. Kh. Tolebayeva, E. E. Vitvitskiy

“…The practice necessity in all aspects of operational planning, taking into account the features of the private cargo companies’ modern transport and the state of the economy, determines the research relevance in this sphere. Materials and methods. …”
Get full text

STRUCTURAL MODERNIZATION IN CONDITIONS OF FORMATION OF DIGITAL ECONOMY by V. M. Bondarenko

Get full text

Influence of Ion Flow Field on the Design of Hybrid HVAC and HVDC Transmission Lines with Different Configurations by Jinyuan Xing, Chenze Han, Jun Tian, Hao Wu, Tiebing Lu

“…By optimizing the coefficient matrix, the calculation efficiency of the iterative process of the electric field in the time domain is greatly increased. …”
Get full text

Global Sensitivity Analysis of CASC2D Hydrological Model Parameters by LI Xiao-ying, ZHANG Jin-hui, ZHAO Hong-jie

“…It proposes the types and sequence for adjusting eight key parameters in response to errors in peak discharge, peak flow timing, and coefficient of determination during initial calibration. …”
Get full text

Diagnostic value of non-invasive indicators of myocardial function in patients after myocardial infarction by V. E. Oleynikov, A. V. Shcherbinina, A. V. Golubeva, V. A. Galimskaya, O. D. Vershinina

“…Already in the acute period, myocardial function parameters can be used to determine the risk of decreased LV global contractility.…”
Get full text

Comprehensive analysis of the integrated quality of cultivated kelp (Saccharina japonica) in three major producing provinces of China by Xiaohui Liu, Haiyi Wu, Meili Xin, Wendan Chi, Mengxue Xu, Jingjing Song, Haozhi Sui, Fang Lv, Dongmei Zhan

“…According to the ranking from the two comprehensive analysis methods, S. japonica from Liaoning had the best overall integrated quality. …”
Get full text

The Blow-Up of Solutions to the Cauchy Problem of Semilinear Tricomi Equations with Damping and Mass Terms by Sen Ming, Xiongmei Fan, Xiao Wu

“…It is worth pointing out that the time-dependent coefficients of the damping term and mass term determine competition between the Strauss critical exponent and Fujita critical exponent.…”
Get full text

Parameter Identification Problem in the discrete-time SIR Model by J. A. Mandujano Valle, A. Loureiro Madureira

“…This is a nontrivial task that we accomplish by carefully crafting auxiliary problems. To show the efficiency of the method, we consider examples involving real COVID-19 data. …”
Get full text

Optimal Multi-Area Demand–Thermal Coordination Dispatch by Yu-Shan Cheng, Yi-Yan Chen, Cheng-Ta Tsai, Chun-Lung Chen

“…The concurrent integration of the energy, transmission, and reserve capacity markets necessitates a new formulation for determining schedules and marginal prices, which is expected to enhance economic efficiency and reduce transaction costs. …”
Get full text

The Conceptual Principles of Evaluating the Economic Potential of Agricultural Enterprises by Krasnorutskyy Oleksiy O., Marenych Tetiana H., Kalchenko Mykola M., Sherstiuk Oleksandr V.

“…It is found that, despite the significant number of scientific publications on the issue of assessing the economic potential of an enterprise, the analysis of literary sources has revealed unresolved issues regarding: the differentiation of the concepts of «assessment» and «evaluation», which are often equated and used as synonyms; the lack of a sufficiently clear scientific position on defining the principles of potential evaluation; insufficient attention from scientists to the criteria for evaluating the potential of an enterprise; the substantiation of the targeted orientation of evaluating the economic potential of an enterprise and the directions of its evaluation; the debate over assessing the economic potential of an enterprise in both natural and monetary terms; the significant number of methods for evaluating the potential of an enterprise, which requires systematization; the determination of individual indicators of assessment of the economic potential of an enterprise, which is more closely related to the efficiency of its implementation. …”
Get full text

Optimization of microwave vacuum drying of pineapples: A three-stage approach by Wei-Mon Yan, Chu-Yu Chen, Bo-Lin Chen, Mohammad Amani, Liang-Han Chien, Wen-Ken Li

“…The present study aims to optimize the microwave vacuum drying (MVD) of pineapples using three analytical stages: One-way analysis of variance (ANOVA), the Taguchi method, and process adjustment. Key performance indicators, including drying curve, rehydration rate, color, texture, energy consumption, and sensory evaluation, were assessed to determine optimal settings. …”
Get full text

Formation of a Generalized System of Indicators of Regional Economic Security by L. P. Bakumenko, N. S. Vasileva

“…To achieve this goal, at the initial stage of the study, a system of indicators was formed, consisting of 26 indicators characterizing the production, financial, social and other aspects of the life of the regions that determine economic security. The information compression method, the principal component analysis, were applied to the selected indicator system. …”
Get full text

Optimizing Vehicle Body Cross-Sections Using a Parametric Mathematical Model by Zhaohui Hu, Shuai Mo, Huang Liu, Fuhao Mo

“…In the example of this paper, after the optimization of the established meshless model, the mass of the whole vehicle is reduced by 30%, and the stiffness of the whole vehicle is greater than that of the benchmark vehicle (5128 N/mm, 4386 N/mm), and at the same time, compared with the conceptual design method of the body of CAE technology, the modeling time is greatly reduced, and the computational efficiency of the analytical method is greatly improved compared with the finite element method.…”
Get full text

Optimizing TSP-MMC Performance in Non-Homogeneous Environments by Yessica Yazmín Calderon-Segura, Gennadiy Burlak, Jośe Antonio García Pacheco

Get full text

MULTI-WAVE ULTRASONIC CONTROL OF CONCRETE by D. Yu. Snezgkov, S. N. Leonovich

“…Therefore usage of an ultrasonic concrete testing method is limited by assessment of its strength. Joint usage of several wave types, so-called multi-wave testing, allows to refine metrology parameters of the ultrasonic method and to gain more information while determining physical and mechanical properties of concrete in laboratory and in situ conditions. …”
Get full text

Effect of organic solvents on earwax cortisol extraction in Hanwoo cattle by Mohammad Ataallahi, Geun-Woo Park, Kyu-Hyun Park

Get full text