Zobrazeno 1 - 10
of 346
pro vyhledávání: '"Birgersson E."'
Publikováno v:
Journal of Electrical Bioimpedance, Vol 10, Iss 1, Pp 14-23 (2019)
We determine the in-vivo dielectric properties—resistivity and relative permittivity—of living epidermis and dermis of human skin soaked with a physiological saline solution for one minute between 1 kHz and 1 MHz. This is done by fitting approxim
Externí odkaz:
https://doaj.org/article/9f9c618996894379a8b236dd7e212219
Publikováno v:
Journal of Electrical Bioimpedance, Vol 9, Iss 1, Pp 31-38 (2018)
An approximate semi-analytical solution based on a Hankel transform of a mechanistic model for electrical impedance spectroscopy (EIS) is derived for a non-invasive axisymmetric concentric probe with m electrodes measuring the response of n layers of
Externí odkaz:
https://doaj.org/article/08d6a37f81394bac82b9db2bef58f607
Publikováno v:
Journal of Electrical Bioimpedance, Vol 8, Iss 1, Pp 84-96 (2017)
A mechanistic mathematical model for electrical impedance spectroscopy (EIS) measurements of human skin is analyzed, leading to a reduced model and approximate solutions. In essence, the model considers a complex-valued Laplace equation in the freque
Externí odkaz:
https://doaj.org/article/62e2a31093c046b9912b234e6400bd16
Publikováno v:
Journal of Electrical Bioimpedance, Vol 3, Iss 1, Pp 51-60 (2012)
Electrical impedance spectroscopy (EIS) allows for the study and characterization of tissue alterations and properties associated with the skin. Here, the potential application of EIS to estimate the thickness of the stratum corneum is explored in th
Externí odkaz:
https://doaj.org/article/3c8e7f5db4624c5783ba2ffba3e77998
Publikováno v:
EPJ Web of Conferences, Vol 21, p 04006 (2012)
Using the methods of cold neutron capture and photon scattering the electric dipole strength function and the level density of the nuclei 78Se and 196Pt are investigated. Considering that the deexcitation process could be described by the same streng
Externí odkaz:
https://doaj.org/article/db16f01c085643eaa34b29daa230ce99
Autor:
Nolte R., Matic A., Massarczyk R., Junghans A.R., Hannaske R., Grosse E., Gehre D., Ferrari A., Birgersson E., Beyer R., Schwengner R., Wagner A.
Publikováno v:
EPJ Web of Conferences, Vol 8, p 07007 (2010)
At the superconducting electron linear accelerator ELBE at Forschungszentrum Dresden-Rossendorf the neutron time-of-flight facility nELBE has become operational. Fast neutrons in the energy range from 200 keV to 10 MeV are produced by the pulsed elec
Externí odkaz:
https://doaj.org/article/14f0401b8a9049cb9ce4e110ff841d87
Autor:
Schwengner R., Schramm G., Schilling K.-D., Matič A., Massarczyk R., Kögler T., Kempe M., Junghans A., Grosse E., Hannaske R., Claussner J., Birgersson E., Ferrari A., Beyer R., Wagner A., Weiss F.P., Yakorev D.
Publikováno v:
EPJ Web of Conferences, Vol 8, p 05002 (2010)
The nELBE beamline at Forschungszentrum Dresden-Rossendorf (FZD) provides intense neutron beams by stopping primary electrons in a liquid lead target, where neutrons are produced by bremsstrahlung photons via (γ,n) reactions. With the aim to increas
Externí odkaz:
https://doaj.org/article/6d9a3d5f7bcf493a84b5609e9421993d
Autor:
Schilling K.-D., Nolte R., Mosconi M., Kögler T., Massarczyk R., Junghans A., Hannaske R., Grosse E., Ferrari A., Birgersson E., Beyer R., Matić A., Schwengner R., Wagner A.
Publikováno v:
EPJ Web of Conferences, Vol 8, p 07006 (2010)
The neutron time of flight facility nELBE, produces fast neutrons in the energy range from 0.1 MeV to 10 MeV by impinging a pulsed relativistic electron beam on a liquid lead circuit [1]. The short beam pulses (∼10 ps) and a small radiator volume g
Externí odkaz:
https://doaj.org/article/6083b7b76a5240329359c347a36606b0
Autor:
Matic A., Junghans A.R., Hannaske R., Grosse E., Beyer R., Belgya T., Schwengner R., Schramm G., Birgersson E., Massarczyk R., Szentimiklosi L., Weil J., Wagner A.
Publikováno v:
EPJ Web of Conferences, Vol 8, p 07008 (2010)
The dipole strength function of 78Se and 196Pt are investigated by two different experimental methods, capture of cold neutrons in 77Se and 195Pt and photon scattering experiments on 78Se and 196Pt. Considering the different ways of excitation, the s
Externí odkaz:
https://doaj.org/article/3ac534289ee147e6b95d232b0f456b6f
Publikováno v:
EPJ Web of Conferences, Vol 8, p 02006 (2010)
Information on the photon strength in heavy nuclei with mass A > 150 will be given and compared to respective data. The photon strength function is a very important ingredient for statistical model calculations – especially when these are used to d
Externí odkaz:
https://doaj.org/article/9fb0c2af9c614341804199ea11e20f21