Results 1 to 10 of about 36,864 (314)

Design and Manufacture of Machine for Removing Ceratophyllum Demersum and Other Plankton in Rivers

open access: yesIraqi Journal of Industrial Research, 2022
Ceratophyllum plant covers most waterways, including lined channels and trenches. This plant causes a loss in the amount of runoff, velocity of water in the channels, and reduces the drainage rates.
Sameh Qahtan Al-Najjar   +4 more
doaj   +1 more source

Research on Establishment of Vehicle Energy Distribution Model and Energy Consumption Optimization Based on Electric Hybrid System

open access: yesWorld Electric Vehicle Journal, 2021
In order to improve the adaptability and accuracy of the system average efficiency model in energy consumption analysis of working conditions, this paper presents a vehicle energy distribution model based on the layout and powertrain operation features ...
Peng Liang   +3 more
doaj   +1 more source

Grain-refining mechanism in hypereutectic Al-20Si alloy with minor Sr - Sc - La and ultrasonic vibration treatment

open access: yesHeliyon, 2023
The grain-refining mechanism with minor Sr - Sc - La and ultrasonic vibration treatment (UVT) in the hypereutectic Al-20Si alloy were studied. The results demonstrated that the microstructure of the hypereutectic Al-20Si alloy could be refined ...
Jiping Lei   +4 more
doaj   +1 more source

Talent approaches for the South African automotive industry

open access: yesSA Journal of Human Resource Management, 2023
Orientation: South African automotive organisations require talented employees to compete both nationally and on a global scale, within the setting of Industry 4.0. Research purpose: This article was aimed at identifying talent management approaches for
Wayne E. Macpherson   +2 more
doaj   +1 more source

Current Trends in Waste Plastics’ Liquefaction into Fuel Fraction: A Review

open access: yesEnergies, 2022
Polymers and plastics are crucial materials in many sectors of our economy, due to their numerous advantages. They also have some disadvantages, among the most important are problems with the recycling and disposal of used plastics. The recovery of waste
Anna Matuszewska   +2 more
doaj   +1 more source

Biological Methods in Biodiesel Production and Their Environmental Impact

open access: yesApplied Sciences, 2021
This publication presents the technologies of enzymatic biodiesel production in comparison to the conventional methods using acid and base catalysts. Transesterification with conventional catalysts has some disadvantages, and for this reason, alternative
Krzysztof Biernat   +3 more
doaj   +1 more source

Efficient spatial and channel net for lane marker detection based on self-attention and row anchor

open access: yesScientific Reports, 2023
Lane detection is an important component of advanced driving aided system (ADAS). It is a combined component of the planning and control algorithms. Therefore, it has high standards for the detection accuracy and speed.
Shengli Fan   +3 more
doaj   +1 more source

Design of a Test Rig for the Examination of Mechanical Properties of Rolling Bearings

open access: yesManagement Systems in Production Engineering, 2017
The paper presents a design basis adopted for the construction of a test facility for the rig testing of rolling bearings. One of the methods of inspection of the bearings is the testing of the bearings as components having already been mounted in a ...
Jurecki Rafał   +3 more
doaj   +1 more source

High-speed PCB circuit power integrity simulation analysis

open access: yesDianzi Jishu Yingyong, 2019
Aiming at the increasingly complicated high-speed PCB power supply voltage fluctuation problem, a method based on PDN(Power Distribution Network) and target impedance co-simulation design is proposed for the 1.15 V power network.
Meng Xiangsheng   +5 more
doaj   +1 more source

Correlational analysis of pollutant emission intensity in various conditions of operation of the automotive internal combustion engine

open access: yesTransport, 2019
The aim of this article was to analyse the correlation of emission intensity of carbon monoxide, hydrocarbons, nitrogen oxides, and carbon dioxide in various conditions of operation of the automotive internal combustion engine. The operational properties
Zdzisław Chłopek   +3 more
doaj   +1 more source

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