Results 21 to 30 of about 45,170 (264)
The influence of external field on the lubricity of mineral oil for railway transport
MATEC Web of Conferences, 2017 The use of mineral oil is associated with its gradual operational degradation caused by its natural aging and contamination with various impurities. As the concentration of impurities increases, the number of active surface molecules which determine the ...
Voronin Serhii +3 more
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METHOD OF ADMINISTRATIVE-TERRITORIAL ZONING OF THE DESIGN PARAMETERS OF AIR TEMPERATURE
e-GFOS, 2019 This study proposes a method of administrative-territorial zoning of the major design parameters of the air temperature. For each administrative region, the design values of the mean temperature of the year, the temperatures in the coldest and the ...
Victor Pashynskyi +3 more
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Development of an information system for determining the opinion of citizens based on analysis of information on social networks and mass media [PDF]
E3S Web of ConferencesCurrently, most of the modern society is concentrated in large and medium-sized cities. This gives residents more opportunities for self-realization, professional development, socialization, as well as a greater number of options for spending their ...
Nikolaeva D.R. +2 more
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Hydrodynamic Performance Assessment of Selected Hydrokinetic Turbine Blade Sections in River Oyun, North-Central Nigeria [PDF]
Journal of Renewable Energy and EnvironmentThe hydrodynamic performance of lift-based hydrokinetic turbine rotors is typically dependent on the rotor blade sections, or the profile of the hydrofoil used.
Laniyi Ladokun +2 more
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Electric drive of road construction machines
Архитектура, строительство, транспорт, 2022 This article deals with the use of electric drive in the design of mobile road construction vehicles. Despite the fact that electric drive has been used in machine engineering for a long time (span type cranes, tower cranes, machines), this type of drive
V. V. Konev +3 more
doaj +1 more source
BioResources, 2016 The surface roughness in plane milled Scots pine wood that was thermally modified at 190 °C and 220 °C was examined. Indicators of wood surface roughness included the three most commonly applied parameters, arithmetic mean surface roughness (Ra), surface
Grzegorz Pinkowski +3 more
doaj +1 more source
MATEC Web of Conferences, 2017 In order to determine the method of contact surface treatment and to define the rational surface roughness in the wheel/rail contact for the minimal growth rate of contact fatigue defects the program of experiments in operational conditions was developed.
Voronin Serhii +4 more
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Developing an Intelligent Monitoring Technology for Airport Stone Column Machines
Sensors, 2020 Most of the construction machinery for vibro-sinking stone columns, which are widely used in China, needs to be improved in terms of degree of automation. Engineering quality control is mainly carried out post-inspection; consequently, it is difficult to
Ke Tang +3 more
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Assessment of reliability of the road construction machines working in tropical conditions [PDF]
Научно-технический вестник Брянского государственного университета, 2019 In article results of a research of influence of service conditions on reliability and efficiency of use of road construction machines taking into account climatic factors are considered. Taking note of service conditions on reliability and efficiency of
Zorin V.A., Le Trong Tuan
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Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola +4 more
wiley +1 more source