Zobrazeno 1 - 10
of 8 278
pro vyhledávání: '"K. Sugiyama"'
Publikováno v:
Nuclear Materials and Energy, Vol 35, Iss , Pp 101430- (2023)
EUROFER97 steel samples were exposed to deuterium plasma in the linear plasma device PISCES-A with the ion energies of 90 and 140 eV at exposure temperatures between 360 and 773 K to deuterium ion fluences between 3.8 × 1023 and 6.3 × 1025 m−2. R
Externí odkaz:
https://doaj.org/article/030f14142b8b431aa279692128bb40a7
Publikováno v:
Nuclear Materials and Energy, Vol 16, Iss , Pp 114-122 (2018)
The erosion behaviour of EUROFER steel due to mono-energetic deuterium (D) ion bombardment in the energy range of 100–1000 eV/D was investigated. At low fluences, the sputtering yield is comparable to that of pure iron (Fe). It then decreases with
Externí odkaz:
https://doaj.org/article/0b1b3774b2d549f8a33f9e0cf2abc96f
Autor:
Y. Hatano, K. Ami, V.Kh. Alimov, S. Kondo, T. Hinoki, T. Toyama, M. Fukuda, A. Hasegawa, K. Sugiyama, Y. Oya, M. Oyaidzu, T. Hayashi
Publikováno v:
Nuclear Materials and Energy, Vol 9, Iss C, Pp 93-97 (2016)
Neutron irradiation to W induces defects acting as traps against hydrogen isotopes and transmutation elements such as Re and Os. To investigate synergetic effects on radiation-induced defects and Re, deuterium (D) retention in W and W–5% Re samples
Externí odkaz:
https://doaj.org/article/b5e855890d8c4568944333771991856f
Autor:
E. Fortuna-Zalesna, M. Andrzejczuk, L. Ciupinski, K. Rozniatowski, K. Sugiyama, M. Mayer, K.J. Kurzydlowski
Publikováno v:
Nuclear Materials and Energy, Vol 9, Iss C, Pp 128-131 (2016)
In the present study, the structure and the composition of co-deposited layers developed at the outer divertor strike point tile 1 in ASDEX Upgrade during three campaigns from 2009 to 2013 were examined. The samples were cut from representative locat
Externí odkaz:
https://doaj.org/article/e61e8268a6964bb5bf9ac584aab26ade
Publikováno v:
Nuclear Materials and Energy, Vol 8, Iss C, Pp 1-7 (2016)
Sputtering of the pure materials iron (Fe), chromium (Cr) and tungsten (W) due to energetic deuterium (D) ion bombardment was investigated. These materials are important constituents of reduced-activation ferritic-martensitic steels. Sputtering yield
Externí odkaz:
https://doaj.org/article/ebcd885a5c64420c8a3c6101bc287c14
Autor:
T P McCarthy, S L Breen, J F Kaczmarek, X Chen, S Parfenov, A M Sobolev, S P Ellingsen, R A Burns, G C MacLeod, K Sugiyama, A L Brierley, S P van den Heever
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 522:4728-4739
We report the detection of ammonia masers in the non-metastable (6, 3), (7, 5) and (6, 5) transitions, the latter is the first unambiguous maser detection of that transition ever made. Our observations include the first VLBI detection of ammonia mase
Autor:
R. A. Burns, Y. Uno, N. Sakai, J. Blanchard, Z. Rosli, G. Orosz, Y. Yonekura, Y. Tanabe, K. Sugiyama, T. Hirota, Kee-Tae Kim, A. Aberfelds, A. E. Volvach, A. Bartkiewicz, A. Caratti o Garatti, A. M. Sobolev, B. Stecklum, C. Brogan, C. Phillips, D. A. Ladeyschikov, D. Johnstone, G. Surcis, G. C. MacLeod, H. Linz, J. O. Chibueze, J. Brand, J. Eislöffel, L. Hyland, L. Uscanga, M. Olech, M. Durjasz, O. Bayandina, S. Breen, S. P. Ellingsen, S. P. van den Heever, T. R. Hunter, X. Chen
Publikováno v:
Nature Astronomy. 7:557-568
High-mass protostars (M$_{\star} >$ 8 M$_{\odot}$) are thought to gain the majority of their mass via short, intense bursts of growth. This episodic accretion is thought to be facilitated by gravitationally unstable and subsequently inhomogeneous acc
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