Zobrazeno 1 - 10 of 11 pro vyhledávání: '"B. A. Tonkin"'
1
Generalisierte Cryptococcose mit tumorahnlichen Organmanifestationen bei einer Asiatischen Goldkatze (Profelis temmincki)
Autor: A. Gropp, B. A. Tonkin, H. Werner
Publikováno v: Mycoses. 13:25-36
Zusammenfassung Bei einer etwa 10 1/2 Jahre alten mannlichen Asiatischen Goldkatze (Profelis temmincki) wurde eine todliche generalisierte Cryptococcose mit tumorahnlichen Manifestationen in Lunge, Dunndarm und Mesenteriallymphknoten sowie diffuser I
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ff7f97cf0e043a7d2cc19e36061dcc0
https://doi.org/10.1111/j.1439-0507.1970.tb01152.x
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2
Weak-link behavior in superconducting thick films
Autor: B. A. Tonkin, Y. G. Proykova
Publikováno v: Journal of Superconductivity. 8:91-94
The surface impedance of melt-processed thick films of YBa2Cu3O7−x on yttria-stabilized zirconia substrates has been measured as a function of temperature over the frequency range 9–18 GHz using an endwall replacement technique. The temperature d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::781620ba41291bc0a3cf442c529782c9
https://doi.org/10.1007/bf00732246
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3
The dielectric constant of liquid nitrogen over the frequency range 0.5 to 10.4 GHz
Autor: A. Hewitt, T W Button, Y.G. Proykova, N McN Alford, B. A. Tonkin, M.W. Hosking
Publikováno v: Superconductor Science and Technology. 6:549-552
From measurements of the harmonic frequencies of a microstrip ring-resonator circuit over the microwave frequency range 0.5 to 10.4 GHz, the dielectric constant of liquid nitrogen has been determined to have an average value of 1.538+or-0.025. In add
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ae247cb894400e985c108d7cac26c18
https://doi.org/10.1088/0953-2048/6/7/018
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4
Modular system for microwave surface impedance measurements of high-temperature superconductors
Autor: B A Tonkin, Y G Proykova
Publikováno v: Superconductor Science and Technology. 6:353-359
A novel modular cryogenic measurement system capable of determining the surface impedance of high-temperature superconductors is described. The modules are interchangeable sections of the system, for example, sections of the cavity and the vacuum int
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc265675d4bd01374168c4bb11c912df
https://doi.org/10.1088/0953-2048/6/5/008
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6
Measurements of material and circuit properties using a microstrip ring-resonator circuit on zirconia at 77K
Autor: B. A. Tonkin, Tim W. Button, S.J. Penn, M.W. Hosking, N.McN. Alford, A. Hewitt, Y.G. Proykova
Publikováno v: 23rd European Microwave Conference, 1993.
By using a thick-film microstrip ring-resonator circuit formed on a yttria-stabilised zirconia substrate and by measuring the frequencies of a number of resonant harmonics of the circuit, both at room temperature and when cooled with liquid nitrogen,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2c49293dbed8cae36aa8ab1df01c4d6
https://doi.org/10.1109/euma.1993.336626
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