Results 11 to 20 of about 45,170 (264)

CALCULATION OF CLIMATE LOADS DESIGN VALUES ACCORDING TO THE PROBABILITY MODEL OF ANNUAL MAXIMUM SERIES

open access: yese-GFOS, 2021
The aim of this work is to improve a method for determining the characteristic values of climatic loads according to a probabilistic model of the annual maxima sequence, by choosing a rational type of generalized extreme value distribution law.
Mykola Pashynskyi   +2 more
doaj   +1 more source

Substantiation of work quality indicators of the universal seeds scarificator of the eastern galega (Galega Orientalis)

open access: yesJournal of Agricultural Engineering, 2020
Eastern galega (Galega orientalis) contains amino acids and vitamins necessary for the normal functioning of the animal organism. In addition, it is a good precursor to many cultures. One of the drawbacks of Eastern galega is the hard shell of the seeds,
Eduard Khasanov   +5 more
doaj   +1 more source

Structural Analysis of Hydrodynamical Interaction of Full-Submerged Archimedes Screws of Rotary-Screw Propulsion Units of Snow and Swamp-Going Amphibious Vehicles with Water Area via Methods of Computer Simulation

open access: yesEngineering Proceedings, 2023
The paper considers the problems of estimation and provision of efficiency of rotary-screw propulsion units (RSP) for snow and swamp-going amphibious vehicles.
Svetlana Karaseva   +4 more
doaj   +1 more source

Calculation Method for Assessing the Storage Capacity of Nitrogen Compounds in LNT Reactors

open access: yesEnergies, 2022
The presented study describes proprietary calculation methods that simulate the process of storing nitrogen dioxide elevation in a catalytic LNT reactor.
Wojciech Kamela   +2 more
doaj   +1 more source

Mathematical model for selecting the best technology for restoring road construction machines [PDF]

open access: yesE3S Web of Conferences, 2020
The article considers the problem of effective and high-quality restoration of road construction machines and equipment. Operational features of reliable and high-precision equipment for road and construction works require high costs for maintaining the ...
Belyaev Aleksandr   +3 more
doaj   +1 more source

Possibilities of using automatic systems for correcting the position of working units of tools including soil cultivation [PDF]

open access: yesMATEC Web of Conferences, 2021
The progressive technical development of agriculture and the desire to increase the efficiency and quality of agrotechnical processes related to soil cultivation forces the use of more and more complex automation and robotisation processes in ...
Zawada Michał   +5 more
doaj   +1 more source

Constructing Time Machines [PDF]

open access: yesInternational Journal of Modern Physics A, 2003
The existence of time machines, understood as space–time constructions exhibiting physically realised closed timelike curves (CTC's), would raise fundamental problems with causality and challenge our current understanding of classical and quantum theories of gravity.
openaire   +4 more sources

Mechatronic wearable exoscheletons for bionic bipedal standing and walk assistance – a synthetic approach regarding main: rationales, indications, current related evidences and matters ahead

open access: yesFrontiers in Neuroscience, 2016
In the last few years, including nowadays, there is an important augmentation of the interest in the literature, on the subject matter of robotic type of portable/ wearable powered exoscheletons for bionic bipedal standing and walk assistance, including
Gelu Onose   +6 more
doaj   +1 more source

Oscillation of gear mechanisms of construction machines [PDF]

open access: yesE3S Web of Conferences, 2021
The article is devoted to the study of the influence of gearing errors on the vibration activity of the open gear transmission of construction machines.
Skel Vladimir
doaj   +1 more source

Construction machines requirement for the building site [PDF]

open access: yesE3S Web of Conferences, 2019
Economic indicators of construction production are directly related to the choice of the optimal number of machines. The lack of machines for the production of construction and installation works leads to the impossibility of their implementation in the ...
Sinenko Sergei   +2 more
doaj   +1 more source

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