Results 211 to 220 of about 164,999 (263)
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IEEE Transactions on Vehicular Technology, 2021
Large companies such as Amazon and Google are currently testing deliveries using unmanned drones, intending to use these drones on the market. Topics tackled in this field of research include object collision routing optimization, delivery routing optimization, battery management optimization, and the addition of solar panels on the drones.
Maxime Perreault, Kamran Behdinan
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Large companies such as Amazon and Google are currently testing deliveries using unmanned drones, intending to use these drones on the market. Topics tackled in this field of research include object collision routing optimization, delivery routing optimization, battery management optimization, and the addition of solar panels on the drones.
Maxime Perreault, Kamran Behdinan
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Bacteria are driving the ocean's organosulfur cycle
Trends in Microbiology, 2023Bacteria are key players in the marine sulfur cycle, from the sunlit ocean surface to the dark abyssal depths. Here, we provide a brief overview of the interlinked metabolic processes of organosulfur compounds, an elusive sulfur cycling process that exists in the dark ocean, and the current challenges that limit our understanding of this key nutrient ...
Kai Tang, Le Liu
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Efficient Drive Cycle Simulation
IEEE Transactions on Vehicular Technology, 2008Drive cycle simulations of longitudinal vehicle models are important aids for the design and analysis of power trains, and tools currently on the market mainly use two different methods for such simulations: the forward dynamic and quasi-static inverse simulations.
Anders Fröberg, Lars Nielsen
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SAE Technical Paper Series, 2021
<div class="section abstract"><div class="htmlview paragraph">The stringent emission regulations have put enormous pressure on auto manufacturers to develop vehicles with the required conformity factor (CF) on real driving emissions (RDE). However, evaluation of CF on multiple and varying real-world cycles by portable emission measurement ...
Sangeetha RT +2 more
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<div class="section abstract"><div class="htmlview paragraph">The stringent emission regulations have put enormous pressure on auto manufacturers to develop vehicles with the required conformity factor (CF) on real driving emissions (RDE). However, evaluation of CF on multiple and varying real-world cycles by portable emission measurement ...
Sangeetha RT +2 more
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Transportation Research, 1978
Abstract A survey of morning peak driving patterns in Sydney was carried out using an instrumented vehicle. Speed histories were recorded and the data were analyzed to determine the statistics and the expected vehicle emissions for Sydney. A comparison with the U.S.
J.H. Kent, G.H. Allen, G. Rule
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Abstract A survey of morning peak driving patterns in Sydney was carried out using an instrumented vehicle. Speed histories were recorded and the data were analyzed to determine the statistics and the expected vehicle emissions for Sydney. A comparison with the U.S.
J.H. Kent, G.H. Allen, G. Rule
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Driving the Cell Cycle to Cancer
2003Cell cycle progression requires the co-ordinated activation of several kinases, some of which are activated upon the binding of a cyclin subunit. At least four of these so-called cyclin-dependent kinases, namely Cdk4, Cdk6, Cdk2 and Cdk1, have specific roles at particular stages of the cell cycle, including passage through the various cell cycle ...
Marcos, Malumbres +8 more
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The Cycles Driving Io’s Tectonics
Elements, 2022Io is famous for its active volcanoes, but its vigorous tectonics, which are unlike Earth’s plate tectonics, are no less remarkable. The nature of Io’s thick, cold, brittle lithosphere has been revealed through decades of investigations. The dynamics of this system is most easily explained by considering three cycles: magmatic, tectonic, and sulfurous.
Laszlo P. Keszthelyi +2 more
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Regional driving characteristics, regional driving cycles
Transportation Research Part D: Transport and Environment, 2003Abstract The Environmental Protection Agency’s (EPA) MOBILE6 driving cycles were developed by combining chase car data collected in three cities: Baltimore, Spokane, and Los Angeles, and then organizing the data by facility and level of service (LOS) to eliminate regional variability in driving.
Jie Lin, D.A. Niemeier
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SAE Technical Paper Series, 2020
<div class="section abstract"><div class="htmlview paragraph">Driving cycles are typically used for estimation of vehicle fuel/energy consumption and CO<sub>2</sub> emissions. In most of applications only the vehicle velocity vs. time profile is considered as a driving cycle, while a road slope is typically omitted.
Topić, Jakov +2 more
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<div class="section abstract"><div class="htmlview paragraph">Driving cycles are typically used for estimation of vehicle fuel/energy consumption and CO<sub>2</sub> emissions. In most of applications only the vehicle velocity vs. time profile is considered as a driving cycle, while a road slope is typically omitted.
Topić, Jakov +2 more
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Driving the Cell Cycle Through Metabolism
Annual Review of Cell and Developmental Biology, 2012For unicellular organisms, the decision to enter the cell cycle can be viewed most fundamentally as a metabolic problem. A cell must assess its nutritional and metabolic status to ensure it can synthesize sufficient biomass to produce a new daughter cell.
Ling, Cai, Benjamin P, Tu
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