Výsledky vyhledávání - "S. Helmersson"

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Effects of void uncertainties on the void reactivity coefficient and pin power distributions for a 10×10 BWR assembly

Autor: F. Jatuff, Flavio Giust, J. Krouthén, S. Helmersson, Rakesh Chawla

Publikováno v: Annals of Nuclear Energy. 33:119-125

An important source of uncertainty in boiling water reactor physics is associated with the precise characterisation of the moderation properties of the coolant and by-pass regions, with significant impact on reactor physics parameters such as the lat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7c8a7f5a93dc881dcaab1d5098987fd
https://doi.org/10.1016/j.anucene.2005.09.007

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Validation of axial pin power distributions in a 10×10 BWR assembly across an enrichment boundary under full-density water moderation conditions

Autor: T. Williams, R. Brogli, Rakesh Chawla, Roland Jacot-Guillarmod, S. Helmersson, M.F. Murphy, Flavio Giust, F. Jatuff, Peter Grimm, R. van Geemert, R. Seiler

Publikováno v: Annals of Nuclear Energy. 30:911-930

Critical experiments involving fuel pin gamma-scans have been performed to characterise total fission reaction rate axial distributions in a Westinghouse SVEA-96+ assembly under full-density water moderation [these investigations are part of the co-o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68921158551dbf1872250b61bfcaf590
https://doi.org/10.1016/s0306-4549(02)00144-5

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Neutronics Investigations for the Lower Part of a Westinghouse SVEA-96+ Assembly

Autor: R. van Geemert, F. Jatuff, T. Williams, R. Brogli, Roland Jacot-Guillarmod, S. Helmersson, R. Seiler, A. Meister, Peter Grimm, Rakesh Chawla, M.F. Murphy, A. Lüthi, O.P. Joneja

Publikováno v: Scopus-Elsevier

Accurate critical experiments have been performed for the validation of total fission (Ftot) and 238U-capture (C8) reaction rate distributions obtained with CASMO-4, HELIOS, BOXER, and MCNP4B for the lower axial region of a real Westinghouse SVEA-96

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0628d3d41c32f19c05b8fb568f99af1a
https://doi.org/10.13182/nse02-a2264

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Antifungal activity toPhytophthora infestans of sesquiterpenoids from infected potato tubers

Autor: S. Helmersson, Sture Brishammar, A. K. Widmark, K. Engström

Publikováno v: Potato Research. 42:43-50

The sesquiterpenes 2-(1',2'-dihydroxy-1'-methylethyl)-6,10-dimethyl-spiro-[4,5]dec-6-en-8-on (1) and its 2'-O-β-d-glucopyranoside (2) were isolated from the stress zones of potato tubers infected withPhoma foveata andFusarium spp., and rishitin and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12867c7f7bf366a771f6e17d920f844c
https://doi.org/10.1007/bf02358390

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Rapid high-performance liquid chromatographic method for determination of beta-carotene in milk

Autor: K. Granelli, S. Helmersson

Publikováno v: Journal of chromatography. A. 721(2)

An HPLC method for the determination of beta-carotene in milk samples is described. The method has many advantages over previous methods due to its rapidity, convenience and the small volumes of solvents required. Beta-Carotene was 100% recovered and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c5dc12c32e30b890188ce51bcdc2b12
https://pubmed.ncbi.nlm.nih.gov/8611945

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More than one variant of Listeria monocytogenes isolated from each of two human cases of invasive listeriosis.

Autor: W. THAM, G. LOPEZ VALLADARES, S. HELMERSSON, A. ÖSTERLUND, M.-L. DANIELSSON-THAM

Publikováno v: Epidemiology & Infection; May2007, Vol. 135 Issue 5, p854-856, 3p

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LWR-PROTEUS verification of reaction rate distributions in modern 10 × 10 boiling water reactor fuel

Autor: Roland Jacot-Guillarmod, O. P. Joneja, F. Jatuff, R. Seiler, Peter Grimm, Rakesh Chawla, M.F. Murphy, R. Brogli, A. Lüthi, S. Helmersson, T. Williams

Publikováno v: Scopus-Elsevier

HELIOS, CASMO-4, and MCNP4B calculations of reaction rate distributions in a modern, fresh 10 10 boiling water reactor fuel element have been validated using the experimental results of the LWR-PROTEUS Phase I project corresponding to full-density wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76764d6e22ec78c95e97fac834e0e28d
http://www.scopus.com/inward/record.url?eid=2-s2.0-0035498533&partnerID=MN8TOARS

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Akademický článek

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