Results 11 to 20 of about 10,527,979 (341)

3 kW Thermoelectric Generator for Natural Gas-Powered Heavy-Duty Vehicles—Holistic Development, Optimization and Validation

open access: yesEnergies, 2021
Emissions from heavy-duty vehicles need to be reduced to decrease their impact on the climate and to meet future regulatory requirements. The use of a cost-optimized thermoelectric generator based on total cost of ownership is proposed for this vehicle ...
Lars Heber   +2 more
doaj   +1 more source

Challenges in the (Re-)Connection of Peripheral Areas to the Rail Network from a Rolling Stock Perspective: The Case of Germany

open access: yesVehicles, 2023
Currently, in the course of the German mobility transition, an increasing number of disused rail lines are already being or intended to be reactivated in order to increase capacities, decrease transport-related emissions and reconnect rural areas to ...
Benedikt Hertel   +2 more
doaj   +1 more source

Technical feasibility analysis and introduction strategy of the virtually coupled train set concept

open access: yesScientific Reports, 2022
Today’s railway network capacity is limited by constraints imposed by traditional train protection systems. A way to overcome those limitations, maximize the railway network performance and also increase the operational flexibility is presented by the ...
Sebastian Stickel   +8 more
doaj   +1 more source

The revised International Association for the Study of Pain definition of pain: concepts, challenges, and compromises.

open access: yesPain, 2020
The current International Association for the Study of Pain (IASP) definition of pain as "An unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage" was recommended by the ...
S. Raja   +15 more
semanticscholar   +1 more source

Simulative Investigation of Thermal Capacity Analysis Methods for Metallic Latent Thermal Energy Storage Systems

open access: yesEnergies, 2021
Latent heat storage systems are a promising technology for storing and providing thermal energy with low volume, mass and cost requirements, especially when operated at high temperatures.
Veronika Stahl   +3 more
doaj   +1 more source

Motivations and barriers for engagement in short food supply chains: insights from european focus groups

open access: yesInternational Journal of Food Studies, 2022
The purpose of the study was to identify the motivations and the barriers that stakeholders face regarding Short Food Supply Chains (SFSC). Two focus groups with stakeholders of the agricultural sector and SFSC were conducted in the Netherlands and ...
Camille Aouinait   +6 more
doaj   +1 more source

Ultraviolet dosage and decontamination efficacy were widely variable across 14 UV devices after testing a dried enveloped ribonucleic acid virus surrogate for SARS-CoV-2

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Aims: The dosages and efficacy of 14 ultraviolet (UV) decontamination technologies were measured against a SARS-CoV-2 surrogate virus that was dried onto different materials for laboratory and field testing.Methods and results: A live enveloped ...
Tony L. Buhr   +15 more
doaj   +1 more source

Concepts of microdosimetry [PDF]

open access: yes, 1975
This is the first part of an investigation of microdosimetric concepts relevant to numerical calculations. The definitions of the microdosimetric quantities are reviewed and formalized, and some additional conventions are adopted.
A. Chatterjee   +15 more
core   +3 more sources

Eliminating the “concept” concept [PDF]

open access: yesBehavioral and Brain Sciences, 2010
AbstractMachery suggests that the concept of “concept” is too heterogeneous to serve as a “natural kind” for scientific explanation, so cognitive science should do without concepts. I second the suggestion and propose substituting, in place of concepts, inborn and acquired sensorimotor category-detectors and category-names combined into propositions ...
openaire   +3 more sources

Approaches for Road Surface Roughness Estimation Using Airborne Polarimetric SAR

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
The road surface roughness is an important parameter that determines the quality of a road network. It has a direct influence on the grip and skid resistance of the vehicles.
Arun Babu   +2 more
doaj   +1 more source

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