Results 21 to 30 of about 178,143 (300)

Design and Experimental Validation of a Scaled Test Bench for the Emulation of a Hybrid Fuel Cell Powertrain for Agricultural Tractors

open access: yesApplied Sciences, 2023
Hybrid fuel cell powertrains are a promising strategy to reduce the environmental impact of vehicles and non-road mobile machinery. To preserve the state-of-health of fuel cells, an energy storage system with sufficient power capacity, such as ultra ...
Valerio Martini   +2 more
doaj   +1 more source

The importance of a realistically determined amount of tax on property rights relating to the ownership of agricultural land in the Republic of Serbia adopted by tax authorities of local self-government units [PDF]

open access: yesEkonomika Poljoprivrede (1979), 2021
It has been argued for a long time in academic papers which corporate governance factors have a significant impact on gains of a great number of businessmen. However, such studies rarely examine the impact taxation issues on agriculture.
Popović Slobodan   +7 more
doaj   +1 more source

An analytical study of the performance indices of air spring suspensions over the passive suspension

open access: yesBeni-Suef University Journal of Basic and Applied Sciences, 2018
In terms of vehicle dynamics aspects, the suspension system should maintain good ride quality and road holding performance against the road irregularities especially in the case of high driving speeds.
M.M. Moheyeldein   +3 more
doaj   +1 more source

Retroreflection of traffic signing for the safe operation of agricultural machinery

open access: yesResearch in Agricultural Engineering, 2022
Recent studies have discussed the increasing number of accidents caused by agricultural machinery and tractors, specifically on higher-class roads.
Lukáš Jan Hrabánek   +1 more
doaj   +1 more source

Workload Assessment of Tractor Operations with Ergonomic Transducers and Machine Learning Techniques

open access: yesSensors, 2023
Dynamic muscular workload assessments of tractor operators are rarely studied or documented, which is critical to improving their performance efficiency and safety.
Smrutilipi Hota   +2 more
doaj   +1 more source

Laboratory investigation of tyre sliding grip coefficient

open access: yesTransport, 2006
The paper presents the results of a laboratory investigation on the variation of the tyre sliding grip coefficient depending on the tyre construction, the air pressure, the vertical load and the wheel camber. Eight different models of tyres are tested. A
Rosen Ivanov, Rusi Rusev, Plamen Ilchev
doaj   +1 more source

Determination of pesticides in the respirable fraction of airborne particulate matter by high-performance liquid chromatography–tandem mass spectrometry [PDF]

open access: yes, 2017
Potential harmful effects of pesticides include risks to human health of workers involved in the wet spray application in cultivated areas. Inhalation exposure depends on several factors including pesticide concentrations in the respirable fraction of ...
Buiarelli, Francesca   +7 more
core   +1 more source

Diagnóstico da mecanização em uma região produtora de grãos Farm machinery utilization in a row-crop producer region

open access: yesEngenharia Agrícola, 2007
As máquinas agrícolas, depois da terra, representam o maior investimento para o agricultor, e sua adequação ao tamanho da propriedade é um fator fundamental na redução dos custos.
Leandro M. Gimenez, Marcos Milan
doaj   +1 more source

Vision applications in agriculture [PDF]

open access: yes, 2007
From early beginnings in work on the visual guidance of tractors, the National Centre for Engineering in Agriculture has built up a portfolio of projects in which machine vision plays a prominent part.
Billingsley, John
core   +2 more sources

The economic effects of farm vehicle-related traffic accidents: A comparative analysis of western and northern Serbian municipalities [PDF]

open access: yesEkonomika Poljoprivrede (1979), 2018
There are numerous and diverse Serbian road users or traffic participants on a daily basis. Farm vehicles are also considered participants. In fact, from all the farm vehicles engaged in traffic, it is tractors that are involved the most in traffic ...
Obradović Dragan   +2 more
doaj   +3 more sources

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