Identifying Factors Affecting the Efficiency of Distance Education: A Qualitative Study by Shabnam Khoramirooz, Abbas Gholtash, Fatemeh Ahmadbeigi

“…Methods: This research employed a qualitative methodological framework. …”
Get full text

Parametric Structure Optimization Design of High-Pressure Abrasive Water Jet Nozzle Based on Computational Fluid Dynamics-Discrete Element Method (CFD-DEM) by Lin Wu, Xiang Zou, Yuan Guo, Liandong Fu

Get full text

Agrobiological efficiency of destructors of winter wheat plant residues in repeated sowing by Fetyukhin I. V., Zubar A. S.

Get full text

SERIES COMPENSATION OF REACTIVE POWER IN A LOW-VOLTAGE CIRCUIT OF THE ELECTRIC ARC FURNACE by N. P. Badalyan, G. P. Kolesnik, S. G. Solovyova, Ye. A. Chaschin

“…According to the aim of the research, the relevant tasks of determining the capacitor capacity for reactive power compensation and selecting a rational location for its installation are posed.Methods Within the framework of the previously developed concept of changing the parameters of the switching transformer in the series compensation circuit, issues of efficient use and consumption of electrical energy by a high power linear load under sinusoidal mode are considered. …”
Get full text

The development and validation of HPLC-DMD method for intermediate products impurities determination of morpholinium 2-((4-(2-methoxyphenyl)-5-(pyridine-4-yl)-4H-1,2,4-triazole-3-y... by B. O. Varynskyi, A. G. Kaplaushenko

“…A development and validation of new sensitive, high efficient and selective HPLC determination method of intermediates technological contaminations in bulk drug of morpholin-4-ium 2-((4-(2-methoxyphenyl)-5-(pyridine-4-yl)-4H-1,2,4-triazole-3-yl)thio)acetate (active pharmaceutical ingredient – API). …”
Get full text

IMPROVING THE EFFICIENCY OF FOREIGN ECONOMIC ACTIVITY OF ENTERPRISES ON THE BASIS OF MARKET RESEARCH by Iryna Gontareva, Mariia Nesen

“…The article is aimed at studying the status and trends in the development of foreign economic activity in Ukraine and in the world, and the impact of marketing research on their effi­ciency. The purpose of the study is to analyze the improvement of the efficiency of foreign economic activity of enterprises on the basis of marketing research using economic and statistical methods, to identify problems and prospects for development, and to develop ways for effective foreign eco­nomic activity in conducting marketing research. …”
Get full text

Improving efficiency of installation for disposal of oil-contaminated soil at low temperatures by L. O. Shtripling, E. G. Kholkin, V. V. Merkulov

Get full text

Research review on improving the efficiency of multimodal transportation based on technological solutions by M. I. Malyshev

“…During the process of analyzing Russian and foreign studies in the field of multimodal cargo transportation, existing methods for improving the efficiency of the multimodal transport system are considered. …”
Get full text

Urea application to improve the efficiency of hydrochloric acid treatments of carbonate reservoirs by Roman A. Vaganov, Vladimir A. Zhigarev, Svetlana S. Kositsyna, Daniil D. Chernykh

“…Aim. Determination of technological solutions to increase the efficiency of hydrochloric acid treatments on carbonate reservoirs. …”
Get full text

Optimization of Implantable Axial Pump to Increase Efficiency of Mechanical Circulatory Support by S. V. Gautier, A. P. Kuleshov, A. E. Efimov, I. I. Agapov, G. P. Itkin

“…To optimize implantable axial pump to increase hydraulic efficiency and reduce blood hemolysis. Materials and methods. …”
Get full text

Possibilities of Increasing the Efficiency of Production Systems by Using an Additional Capacitive Element by Michlowicz Edward

Get full text

CONVECTIVE HEAT EXCHANGE ON THE LATERAL SURFACE OF A RELATIVELY LONG CYCLONE CHAMBER by E. N. Saburov, A. N. Orehov, D. A. Onokhin

“…The local heat transfer coefficient was determined for various values of the dimensionless longitudinal coordinate z coinciding with the axis of the chamber, and counted from the back end of the swirler. …”
Get full text

Highly-entangled, highly-doped states that are efficiently cross-device verifiable by Janek Denzler, Santiago Varona, Tommaso Guaita, Jose Carrasco

“…Moreover, the required number of samples can be efficiently experimentally determined by the parties in advance, and our findings are robust against preparation errors. …”
Get full text

Improving the efficiency of the company’s activities while optimizing auxiliary business processes by yu M. Tsygalov, A. I. Yashchenko

“…The relevance of the topic is determined by the need to develop solutions that provide additional economic benefits to organizations interested in this.The object of the article was to select the activity of private economic organizations from the sphere of transport services, and its subject was their resource base as a reserve for increasing the efficiency of work.Methods of econometric and statistical analysis and modeling, theoretical formulation of promising development directions was used as tools.The results of the article showed the importance of improving operational efficiency to achieve the final financial result of a commercial organization. …”
Get full text

Development of an Energy­Efficient Microclimate System for Dairy Herd Loose Keeping by I. M. Dovlatov, S. S. Yurochka

Get full text

Modeling of Moth Eye Structures for Silicon Solar Cells Efficiency Enhancement by Ethar Jasim, Imad hadi Khaleel, Ali F. Al-Shawabkeh Al-Shawabkeh

“… Moth-eye nano-structure is essentially used as a light-trapping technique for more efficient and cost-effective solar cells. This computational study investigated two dimensions of rectangular silicon base anti-reflected nanostructure for ultra-thin film solar silicon cell efficiency enhancement. …”
Get full text

Numerical Simulations of Carbon Dioxide Storage Efficiency in Heterogeneous Reservoir Models by Evgeniy M. Myshakin, Foad Haeri, Johnathan Moore, Dustin Crandall, Angela L. Goodman

“…The reservoir models providing vertically heterogeneous petrophysical properties and designated as “layered reservoir models” (with homogeneous parameters along each layer of the model) were not determined to be a transition between the homogeneous and heterogeneous models in respect to storage efficiency. …”
Get full text

Machine learning approaches for predicting energy and exergy efficiency in solar still by Somayeh Davoodabadi Farahani, Mohammad Javad Zarei, Hakan F. Oztop

“…It was determined that radiation intensity, ambient temperature, tilt angle, and water level are the key factors influencing energy efficiency and exergy, with radiation intensity being the most significant. …”
Get full text

Design of High-Speed, High-Efficiency Electrically Excited Synchronous Motor by Shumei Cui, Yuqi Zhang, Beibei Song, Shuo Zhang, Hongwen Zhu

“…To address it, this paper proposes an EESM design methodology optimized for high-speed efficiency and constant-power excitation control. Key EESM parameters are determined through a dynamic phasor diagram, and design methods for turn number, split ratio, and other parameters are proposed to extend the high-efficiency region into the high-speed range. …”
Get full text

Retarding effect of migration of colloidal phosphorus in three types of soil by HE Shuang, LI Fayong, LIU Ziwen, WANG Zhirong, WU Shanshan, ZHANG Tianyu, CAO Yucheng, LIANG Xinqiang

“…In this study, a dynamic soil column method was used to determine the retardation coefficient of colloidal phosphorus migration in paddy soil, vegetable soil and tea soil, and the control effect of colloidal phosphorus migration was studied by applying different levels (0%, 0.05% and 0.1%) of polyacrylamide (PAM). …”
Get full text