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Simulated photovoltaic performance of N719 ruthenium dye sensitised solar cell with a power conversion efficiency exceeding 26% based on electron transport double layer. [PDF]
RSC AdvNjema GG +3 more
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Outdoor ground impedance models
The Journal of the Acoustical Society of America, 2011Many models for the acoustical properties of rigid-porous media require knowledge of parameter values that are not available for outdoor ground surfaces. The relationship used between tortuosity and porosity for stacked spheres results in five characteristic impedance models that require not more than two adjustable parameters.
Keith, Attenborough +2 more
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Surface impedance models for high impedance surfaces
Applied Physics A, 2011Different analytical and numerical methods for calculating the surface impedance of a high impedance surface (HIS) structure have been studied and compared. In this article, two new approaches are proposed for calculating the surface impedance for general 2D-spatial periodic HIS structures, which include both the symmetric and asymmetric planar ...
Zhu, Y., Bossavit, A., Zouhdi, Said
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Broadband Time-Domain Impedance Models
AIAA Journal, 2001The modeling of a set of impedance values given either experimentally or heuristically for implementation as a time-domain impedance-equivalent boundary condition (TDIBC) is discussed. It is shown that impedance as defined by the reflection of plane harmonic waves when extended for broadband time-domain applications can correspond to mathematically ...
K.-Y. Fung, Hongbin Ju
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Modelling for Scanning Impedance Imaging
2005 IEEE Engineering in Medicine and Biology 27th Annual Conference, 2005Scanning electrical impedance imaging (SII) is a previously-introduced high resolution imaging modality with the potential of imaging the electrical activities of biological tissues. In this paper, a detailed complex electrostatic model is derived to describe the physical phenomena of the SII system.
Hongze, Liu +3 more
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Proceedings of International Conference on Particle Accelerators, 2002
The bunch current in LEP is limited by collective effects slightly below its design value. To understand this limitation, a set of experiments has been carried out to obtain a model of the impedance seen by the circulating beam. From measurements of the current dependance of the synchrotron and betatron frequencies information about the longitudinal ...
D. Brandt +11 more
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The bunch current in LEP is limited by collective effects slightly below its design value. To understand this limitation, a set of experiments has been carried out to obtain a model of the impedance seen by the circulating beam. From measurements of the current dependance of the synchrotron and betatron frequencies information about the longitudinal ...
D. Brandt +11 more
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2018
The impedance budget for the eRHIC project is discussed at its earlier stage of development. As a first step, with the eRHIC lattice and beam parameters , we use the geometric impedances of the vacuum chamber components simulated for the NSLS-II project.
Blednykh, Alexei +6 more
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The impedance budget for the eRHIC project is discussed at its earlier stage of development. As a first step, with the eRHIC lattice and beam parameters , we use the geometric impedances of the vacuum chamber components simulated for the NSLS-II project.
Blednykh, Alexei +6 more
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Experimental modelling of biomechanical impedance characteristics
Medical & Biological Engineering & Computing, 1986New experimental modelling of biomechanical impedance is proposed. The parameters which express the impedance characteristics are simply determined by impedance measurement. Audiofrequencies below about 1000 Hz and comparatively lower preloads (below about 6370 kg m−2) are chosen as the research domain.
T, Yamamoto, H, Oka
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