An efficient numerical procedure for calculating periodic vibrations of elastic mechanisms by Nguyen Van Khang, Nguyen Phong Dien, Nguyen Sy Nam

“… This paper proposes a numerical procedure based on the well-known Newmark integration method to determine initial conditions for the periodic solution of a system of linear differential equations with time-periodic coefficients. …”
Get full text

Main Principles for Determination of Economic Efficiency while Using Type- and Group Technological Processes in Machine-Building by L. M. Kozhuro, Zh. A. Mrochek, V. I. Pokhabov, I. P. Zotova

“…The paper considers an expediency of introduction of type- and group technological processes in machine-building. The methods have been proposed to determine optimal number of settings-up and operations prescribed for every machine and economically justified coefficient of equipment capacity and calculation of economic efficiency of machine part manufacturing when type- and group technological processes are used.…”
Get full text

Bayesian technical efficiency analysis of groundnut production in Ghana by Dominic Chakuri, Freda Elikplim Asem, Edward Ebo Onumah

“…This paper considered Bayesian Stochastic Frontier Model to analyse technical efficiency and their determinants of groundnut farmers in Ghana. …”
Get full text

Efficiency Analysis of Container Ports in Vietnam Using Stochastic Frontier Analysis by Thanh Uyen Bui, Gyu Sung Cho

“…The methods were used to analyze the variations in port efficiency, including aspects such as distribution, rankings, identification of the best and worst ports, and determinants of the efficiency frontier. …”
Get full text

Prospective Assessment of mrTRG System Used for Determining the Efficiency of Neoadjuvant Chemoradiotherapy in Patients with Rectal Cancer by T. P. Berezovskaia, Ya. A. Dayneko, A. A. Nevolskikh, S. A. Ivanov, A. D. Kaprin

“…However, the reliability and safety of this method must be confirmed by the results of clinical trials and practical application.Objective: to analyze our experience in the prospective use of mrTRG system and evaluate the additional contribution of diffusion-weighted images (DWI) to its diagnostic efficiency.Material and methods. …”
Get full text

Determination of Coefficients of High-Order Schemes for Riemann-Liouville Derivative by Rifang Wu, Hengfei Ding, Changpin Li

Get full text

Determination of Bus Crowding Coefficient Based on Passenger Flow Forecasting by Zhongyi Zuo, Wei Yin, Guangchuan Yang, Yunqi Zhang, Jiawen Yin, Hongsheng Ge

“…To minimize the impact of the randomness of passenger flow on the determination of bus crowd coefficient, a cloud model-based bus crowd coefficient identification method was proposed. …”
Get full text

Efficiency of Electromyographic Examination in Dental Patients with Signs of Bruxism to Determine the Functional State of the Muscles of the Maxillofacial Region by S. P. Rubnikovich, A. S. Grishchenkov, Y. L. Denisova, E. V. Kuzmenko

Get full text

Determination of the neutron refleetion coefficient as a function of reflector material by Baghdad Science Journal

“…This work presents a simple method for determination of the neutron reflection coefficient (n) as a function of different neutron reflector materials.A laboratory neutron source (Am-Be) with activity of 16 ci is employed with a (BF3) neutron detector. …”
Get full text

DETERMINING OPERATIONAL EFFICIENCY IN AQUACULTURE ENTERPRISE TO BOOST FISH PRODUCTION FOR IMPROVED FOOD SECURITY IN SOUTHWEST, NIGERIA by Olaniran Anthony THOMPSON, Taiwo Timothy AMOS, Lawrence Olusola OPARINDE, Olajumoke Olamiposi OMOSOWONE

Get full text

Determinants analysis of earnings response coefficient: Empirical study in Indonesia by Sintya Puspita Dewi, Abriyani Puspaningsih

“…This study aims to analyze determinants of earnings response coefficient.  Independent variables used in this research are company size, company’s growth, profitability and financial leverage while the dependent variable is earnings response coefficient.  …”
Get full text

Efficiency of cell-based assays in detecting AChR antibodies in myasthenia gravis sera with low antibody concentrations as determined by radioimmunoprecipitation assay by John S. Tzartos, Aigli G. Vakrakou, Katerina Karagiorgou, Vasiliki Zouvelou, Elisabeth Chroni, Valentina Damato, Francesca Beretta, Stavroula Salakou, Eirini Sfyroera, Dimitra Veltsista, Konstantinos Voumvourakis, Sotirios Giannopoulos, Georgios Tsivgoulis, Socrates Tzartos, Socrates Tzartos, Socrates Tzartos

Get full text

Efficient extraction of ametryn in aqueous biphasic systems formed by polyethylene glycol and sodium sulfate by João O. Ferreira, Davi S.S. Souza, Giovana C. Zambuzi, Brenda S. Bega, Júlia S. Forster, Vinícius A.P. Tartare, Rafael C.R. Chagas, Adriano L. de Souza, Kelly R. Francisco

“…Five ATPS formulations with increasing concentrations of PEG and sodium sulfate were prepared: ATPS 1 to 5 contained (PEG/Na₂SO₄/water, (w/w%)) 8.75/7.68/83.57, 11.10/9.12/79.78, 12.80/10.05/77.16, 14.90/10.41/74.69, and 17.23/11.08/71.69, respectively. The extraction efficiency and partition coefficients (Kₚ) were determined for each system. …”
Get full text

Results of Determining the Porosity Coefficient in Oil-Saturated Clay Rocks by A.-G. G. Kerimov, E. G. Kerimova, T. A. Gunkina, L. S. Mkrtchian, E. S. Kliupa

“…Based on this, in wells that opened clayey reservoirs, the values of porosity coefficients determined by various methods were analyzed, including the direct one – analysis of core, cuttings and the indirect one – geophysical methods. …”
Get full text

Method for determining effectiveness of cleaning devices for PM2.5 and PM10 suspended particles in dusty industrial emissions by L. O. Shtripling, V. V. Bazhenov, Yu. V. Kalinin, N. S. Bazhenova, V. V. Merkulov

“…A method for determining the fractional efficiency of dust collecting devices for fine dust is proposed.…”
Get full text

Microplastics in drinking water. Efficiency of treatment and distribution of a drinking water cycle by R. Rodríguez-Barroso, A. Cruceira, M.D. Coello, J.M. Quiroga, A. Egea-Corbacho

“…Therefore, the objective of this study is to know the presence of MPs in the drinking water distribution cycle (natural reservoir (S1), outflow of the drinking water treatment plant (S2), city's reservoir (S3) and a municipal control point of the supply network (S4)), for this purpose a method for the analysis and determination of MPs in drinking water is set up and proposed. …”
Get full text

Comparison of Different Extraction Methods on the Recovery Efficiencies of Valuable Components from Orange Peels by Mehmet Emin Argun, Aslıhan Öztürk, Mustafa Şamil Argun

“…In comparison, Soxhlet extraction yielded a TPC of 1728 mg GAE/L, while the ultrasound-assisted extraction method resulted in a TPC of 4056 mg GAE/L. It was determined that the optimum operating parameters of supercritical-CO2 extraction were 60°C and 26.4 MPa in case all the responses were maximized. …”
Get full text

Methods for Increasing Power Efficiency of Heating Furnaces Applied in Metallurgical and Mechanical Engineering Industries by M. L. German, S. M. Kabishov, A. A. Oznobishin

Get full text

Methodology for assessing social and economic efficiency of digitalization of health system by A. A. Alimbaev, B. S. Bitenova, T. I. Yesenbekova

“…It was revealed that these methods do not consider an important generalizing indicator as gross value added, which, from the perspective of the economy as a whole, is taken into account in the country’s gross domestic product.The article proposes a methodology for assessing the economic and social effectiveness of digitalization of the healthcare system, which allows us to consider gross value added as a generalized result characterizing the production and sale of services, and as the efficiency of resource use in the process of providing medical services.This methodology is based on the theory of efficiency and the law of saving time, as well as approaches to determining criteria and performance indicators.…”
Get full text

Enhancement method of series hybrid ship energy efficiency for speed and energy collaborative optimization by Yupeng Yuan, Xiaoyu Wang, Liang Tong, Chengqing Yuan, Boyang Shen, Teng Long

“…Our study examined the energy efficiency of a diesel‐electric series hybrid ship operating on an inland river, and a method to optimise series hybrid ship energy efficiency was proposed. …”
Get full text