Results 1 to 10 of about 3,967,239 (200)
Analysis of Stress-Strain State and Contact Pressures on Surfaces of Kaplan Runner Blade Bearing Bronze Bushes [PDF]
Journal of Mechanical Engineering, 2021 An analysis of the existing and prospective blade seal designs for Kaplan runners was performed. The selected design type provides the maximum ecological safety for Kaplan runners. A 3D model of runner hub sector with the trunnion, inner and outer bushes
Viktor H. Subotin +5 more
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The Necessity of Application of Frequency Electric Drives for Irrigation Systems [PDF]
E3S Web of Conferences, 2021 The article substantiates the possibility of using frequency drives in agricultural production, shows promising areas of their application, shows the positive qualities of frequency drives, which make it possible to confidently compete with gear drives ...
Kaidar A.B. +4 more
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Using the unit software model to improve design solutions and optimize process management [PDF]
Nuclear Energy and Technology, 2021 Advanced design power units are distinguished by a high degree of digital transformation. Therefore, of particular interest are operator information (intelligent) support systems, which can reduce the workload on operating personnel as well as predict ...
Dmitry B. Statsura +6 more
doaj +3 more sources
Creation of Optimal Design of Runner Oil System of Kaplan Hydro-Turbines [PDF]
Journal of Mechanical Engineering, 2021 The main objectives of the reconstruction are stated. Those are: increase of the service life of the hydro-turbines of Dnipro Cascade, enhancement of their efficiency, power, and environmental safety, extension of the power control range of the hydro ...
Viktor H. Subotin +5 more
doaj +1 more source
Innovative braking system for high-speed 80-foot platform
Вестник Научно-исследовательского института железнодорожного транспорта, 2021 The article discusses technical solutions for the creation of an effective design of a brake system for high-speed longwheelbase platforms intended for the transport of containers, as well as for the development of a fundamentally new brake equipment for
V. A. Nikonov +4 more
doaj +1 more source
REGIONAL CHANGES IN THE PIG POPULATION IN POLAND IN 2010-2022 [PDF]
Annals of the Polish Association of Agricultural and Agribusiness Economists, 2023 The aim of the study was to assess regional changes in pig and sow population in 2010-2022. The analysis was carried out at the voivodship level for the entire period under study, while changes in pig and sow population in poviats were based on ...
Benedykt Pepliński
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The Journal of Finance, 2014 ABSTRACTWe connect stocks through their common active mutual fund owners. We show that the degree of shared ownership forecasts cross‐sectional variation in return correlation, controlling for exposure to systematic return factors, style and sector similarity, and many other pair characteristics.
Miguel Anton,, Christopher Polk
openaire +3 more sources
On the permissible speeds of empty freight cars mounted on 18-100 model bogies
Вестник Научно-исследовательского института железнодорожного транспорта, 2021 Problem of ensuring motion safety of empty freight cars is most acute in relation to cars on bogies of model 18-100, which is mainly due to operational wear of wheelsets, side frames and bolsters, as well as spring suspension elements. A potential threat
A. M. Brzhezovskiy +3 more
doaj +1 more source
Application of the AlphaScreen and AlphaLisa method in drug development and pharmacokinetic studies
Фармакокинетика и Фармакодинамика, 2022 Drug development requires high-tech, simple, and sensitive methods. AlphaLISA method was announced as a universal method that would fit the listed criteria. However, research of other works on the pharmacokinetics of drugs related to this method showed a
R. T. Mukhametshina +2 more
doaj +1 more source
Вестник Научно-исследовательского института железнодорожного транспорта, 2021 Problem of safety evaluation of continuous welded track operation is considered. A comparative analysis of the current assessment methods is carried out and a method is proposed for identifying dangerous track sections according to the criterion of ...
G. M. Volokhov +2 more
doaj +1 more source