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Selective quenching of triplet excited states of pteridines
(Royal Society of Chemistry, 2014-06)
Steady-state and time-resolved studies on quenching of excited states of pterin (Ptr) and lumazine (Lum) in the presence of iodide in aqueous solution have been performed. In contrast to the typical iodide enhancement in ...
A contribution for nonlinear structural dynamics characterization of cantilever beams
(2005-12-01)
Successful experiments in nonlinear vibrations have been carried out with cantilever beams under harmonic base excitation. A flexible slender cantilever has been chosen as a convenient structure to exhibit modal interactions, ...
Non-linear energy harvesting system efficiency comparison from periodic to non-ideal excitation
(2014-01-01)
Dynamics of a non-linear energy harvesting is affected by excitation source and to explore efficiency it is necessary to understand which region offers more energy and the influence of a forced periodic vibration related ...
Influence of Excitation Signal on Impedance-based Structural Health Monitoring
(Sage Publications Ltd, 2010-09-01)
The electromechanical impedance (EMI) technique has been successfully used in structural health monitoring (SHM) systems on a wide variety of structures. The basic concept of this technique is to monitor the structural ...
On-line Identification and Convergence Analysis of Excitation -Force and Drag-Force Models for Moored Floating Structures
(Elsevier, 2005-12)
This work presents an approach to identify hydrodynamic models for incident, diffraction and viscous forces acting on a moored floating structure. An important aspect treated here is the analysis of the unknown initial ...
State-selective Rydberg excitation with femtosecond pulses
(American Physical Society, 2013-04)
We show that multipulse excitation of Rydberg atoms with a sequence of short time-delayed femtosecond pulses results in strong n selection of the final-state amplitudes. In the experiment, a 150 fs laser pulse, which alone ...
Fear, excitement, and financial risk-taking
(Routledge Journals, Taylor & Francis Ltd, 2015-01-02)
Can fear trigger risk-taking? In this paper, we assess whether fear can be reinterpreted as a state of excitement as a result of contextual cues and promote, rather than discourage, risk-taking. In a laboratory experiment, ...
Multi-channel coupling effects for electronic excitations leading to the b(3)Sigma(+)(u), a(3)Sigma(+)(g), and c(3)Pi(u) states of H-2
(John Wiley & Sons IncHobokenEUA, 2006)