Results 21 to 30 of about 753,593 (350)

Urban Digital Twins for Smart Cities and Citizens: The Case Study of Herrenberg, Germany

open access: yesSustainability, 2020
Cities are complex systems connected to economic, ecological, and demographic conditions and change. They are also characterized by diverging perceptions and interests of citizens and stakeholders.
Fabian Dembski   +4 more
semanticscholar   +1 more source

Digital Twins for Multiple Sclerosis

open access: yesFrontiers in Immunology, 2021
An individualized innovative disease management is of great importance for people with multiple sclerosis (pwMS) to cope with the complexity of this chronic, multidimensional disease.
I. Voigt   +5 more
semanticscholar   +1 more source

On the twin paradox in static spacetimes: I. Schwarzschild metric [PDF]

open access: yes, 2012
Motivated by a conjecture put forward by Abramowicz and Bajtlik we reconsider the twin paradox in static spacetimes. According to a well known theorem in Lorentzian geometry the longest timelike worldline between two given points is the unique geodesic ...
G. Székely   +10 more
core   +2 more sources

Smart city based on digital twins

open access: yesComputational Urban Science, 2021
Digital twins are considered to be a new starting point for today’s smart city construction. This paper defines the concepts of digital twins and digital twin cities, discusses the relationship between digital twins and smart cities, analyzes the ...
L. Deren, Yuan Wenbo, Zhenfeng Shao
semanticscholar   +1 more source

Aggregated demand-side energy flexibility: A comprehensive review on characterization, forecasting and market prospects

open access: yesEnergy Reports, 2022
Existing grids have been designed with traditional large centralized generation in mind; however, with the ever-increasing utilization of renewable distributed energy resources, the challenges of proper grid management have intensified.
Freddy Plaum   +3 more
doaj   +1 more source

Evading strength-corrosion tradeoff in Mg alloys via dense ultrafine twins

open access: yesNature Communications, 2021
Conventional ultrafine-grains can generate high strength in Mg alloys, but significant tradeoff of corrosion resistance due to inclusion of a large number of non-equilibrium grain boundaries.
Changjiang Yan   +8 more
semanticscholar   +1 more source

The composition of the gut microbiome differs among community dwelling older people with good and poor appetite

open access: yesJournal of Cachexia, Sarcopenia and Muscle, 2021
Background Anorexia of ageing is common and important in the development of sarcopenia in older individuals. Links have been proposed between the gut microbiota and sarcopenia.
Natalie J. Cox   +5 more
doaj   +1 more source

The GGDEF protein Dgc2 suppresses both motility and biofilm formation in the filamentous cyanobacterium Leptolyngbya boryana

open access: yesMicrobiology Spectrum, 2023
Colony pattern formations of bacteria with motility manifest complicated morphological self-organization phenomena. Leptolyngbya boryana is a filamentous cyanobacterium, which has been used as a genetic model organism for studying metabolism including ...
Kazuma Toida   +10 more
doaj   +1 more source

The Mis6 inner kinetochore subcomplex maintains CENP-A nucleosomes against centromeric non-coding transcription during mitosis

open access: yesCommunications Biology, 2022
The kinetochore protein Mis6 (CENP-I) plays an important role in CENP-A maintenance during mitosis in fission yeast and blocks the indiscriminate transcription of non-coding RNAs at the core centromere to retain CENP-A during mitosis.
Hayato Hirai   +2 more
doaj   +1 more source

Systematic Review of Fault Tolerant Techniques in Underwater Sensor Networks

open access: yesSensors, 2021
Sensor networks provide services to a broad range of applications ranging from intelligence service surveillance to weather forecasting. While most of the sensor networks are terrestrial, Underwater Sensor Networks (USN) are an emerging area.
Lauri Vihman, Maarja Kruusmaa, Jaan Raik
doaj   +1 more source

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