Results 11 to 20 of about 257,500 (259)

The protein folding ‘speed limit’ [PDF]

open access: yesCurrent Opinion in Structural Biology, 2004
How fast can a protein possibly fold? This question has stimulated experimentalists to seek fast folding proteins and to engineer them to fold even faster. Proteins folding at or near the speed limit are prime candidates for all-atom molecular dynamics simulations.
Kubelka, Jan   +2 more
openaire   +3 more sources

The Driver Behaviour and Impact of Speed on Road Safety on the Motorways in Croatia

open access: yesPromet (Zagreb), 2017
The paper presents the current research related to the speed of traffic flow on the roads of high serviceability. It analyses the speed of vehicle as one of the main causes of traffic accidents.
Goran Zovak, Goran Kos, Boris Huzjan
doaj   +1 more source

Adopting a Safe System Approach to Determine Safer Speed Limits: A Case Study From Iran [PDF]

open access: yesJournal of Road Safety, 2022
Speed management is one of the main dimensions of the Safe System Approach for reducing both the risk of crash involvement as well as injury severity. This study proposes a practical framework for setting safer speed limits on duplicated rural highways ...
Mansour Ranjbar   +8 more
doaj   +2 more sources

Speed limits in the tram traffic in Wroclaw [PDF]

open access: yesPrzegląd Komunikacyjny, 2023
: The article summarizes and classifies types of speed limits in tram traffic. Examples from the area of the tram network in Wrocław were presented. The reasons for the restrictions applied in other cities in Poland were analysed.
Magdalena Skiba
doaj   +1 more source

Quantum speed limits for information and coherence

open access: yesNew Journal of Physics, 2022
The quantum speed limit indicates the maximal evolution speed of the quantum system. In this work, we determine speed limits on the informational measures, namely the von Neumann entropy, maximal information, and coherence of quantum systems evolving ...
Brij Mohan   +2 more
doaj   +1 more source

Generalized Geometric Quantum Speed Limits

open access: yesPhysical Review X, 2016
The attempt to gain a theoretical understanding of the concept of time in quantum mechanics has triggered significant progress towards the search for faster and more efficient quantum technologies.
Diego Paiva Pires   +4 more
doaj   +1 more source

Setting speed limits in interurban single-carriageway highways using expert’s judgment

open access: yesTransport, 2016
Until recently, the design of road infrastructure involved mainly concerns related to the base speed value and to requirements ensuring a high level of service.
Ana Bastos Silva   +2 more
doaj   +1 more source

Impact of vehicular traffic on vertebrate fauna in Horton plains and Yala national parks of Sri Lanka: some implications for conservation and management

open access: yesJournal of Threatened Taxa, 2017
Impacts of roadkills are extensively documented in developed nations.  Only a handful of studies on road mortality has emerged from developing nations where tourism and rural development have led to an expansion of transportation networks.
Suranjan Karunarathna   +3 more
doaj   +1 more source

Quantum speed limits for observables

open access: yesPhysical Review A, 2022
In the Schr{ö}dinger picture, the state of a quantum system evolves in time and the quantum speed limit describes how fast the state of a quantum system evolves from an initial state to a final state. However, in the Heisenberg picture the observable evolves in time instead of the state vector.
Brij Mohan, Arun Kumar Pati
openaire   +2 more sources

Speed limits on deterministic chaos and dissipation

open access: yesPhysical Review Research, 2023
Uncertainty in the initial conditions of dynamical systems can cause exponentially fast divergence of trajectories, a signature of deterministic chaos, or be suppressed by the dissipation of energy.
Swetamber Das, Jason R. Green
doaj   +1 more source

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