N Umeda
Overview
Explore the profile of N Umeda including associated specialties, affiliations and a list of published articles.
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Articles
109
Citations
487
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Recent Articles
1.
Yoshida M, Oohara W, Ichikawa M, Hiratsuka J, Saquilayan G, Umeda N, et al.
Rev Sci Instrum
. 2020 Apr;
91(3):033313.
PMID: 32259933
To realize stable negative ion beams for 100 s required in the neutral beam injector of JT-60SA, a physical model to control cesium (Cs) distribution inside the negative ion source...
2.
Hiratsuka J, Kashiwagi M, Ichikawa M, Umeda N, Saquilayan G, Tobari H, et al.
Rev Sci Instrum
. 2020 Mar;
91(2):023506.
PMID: 32113410
Long pulse acceleration of hydrogen negative ion beams with the power density over 70 MW/m and the pulse length over 100 s has been demonstrated for the first time by...
3.
Hashizume K, Umeda N
Biosci Biotechnol Biochem
. 2016 Jun;
60(5):802-5.
PMID: 27281141
Three 2-methoxy-3-alkylpyrazines (MPs) in Japanese red wine and grape samples were determined by GC-EIMS, using 2-methyl-3-n-propylpyrazine as an internal standard. MPs in the Cabernet Sauvignon red wines were derived not...
4.
Hanada M, Kojima A, Tobari H, Nishikiori R, Hiratsuka J, Kashiwagi M, et al.
Rev Sci Instrum
. 2016 Mar;
87(2):02B322.
PMID: 26932050
In order to realize negative ion sources and accelerators to be applicable to International Thermonuclear Experimental Reactor and JT-60 Super Advanced, a large cesium (Cs)-seeded negative ion source and a...
5.
Kojima A, Hanada M, Tobari H, Nishikiori R, Hiratsuka J, Kashiwagi M, et al.
Rev Sci Instrum
. 2016 Mar;
87(2):02B304.
PMID: 26932032
Design techniques for the vacuum insulation have been developed in order to realize a reliable voltage holding capability of multi-aperture multi-grid (MAMuG) accelerators for fusion application. In this method, the...
6.
Yoshida M, Hanada M, Kojima A, Kashiwagi M, Umeda N, Hiratsuka J, et al.
Rev Sci Instrum
. 2016 Mar;
87(2):02B144.
PMID: 26932026
To understand the physics of the cesium (Cs) recycling in the large Cs-seeded negative ion sources relevant to ITER and JT-60SA with ion extraction area of 45-60 cm × 110-120...
7.
Takahashi H, Tsuboi H, Abe S, Yokosawa M, Hagiwara S, Asashima H, et al.
Scand J Rheumatol
. 2015 Sep;
44(6):511-3.
PMID: 26399877
No abstract available.
8.
Takai C, Matsumoto I, Inoue A, Umeda N, Tanaka Y, Kurashima Y, et al.
Clin Exp Immunol
. 2015 Feb;
180(3):458-66.
PMID: 25683200
The tumour necrosis factor (TNF)-α-induced proteins (TNFAIP)9 and TNFAIP3 play an important pathogenic role in murine arthritis. To clarify their pathophysiological roles in patients with rheumatoid arthritis (RA), we examined...
9.
Tsuboi H, Kurata I, Takahashi H, Inoue S, Ebe H, Yokosawa M, et al.
Lupus
. 2014 Nov;
24(7):659-68.
PMID: 25391543
Objective: The objective of this paper is to identify predictors for the response to treatment of acute lupus hemophagocytic syndrome (ALHS). Methods: We reviewed seven cases with ALHS admitted to...
10.
Tanaka Y, Matsumoto I, Inoue A, Umeda N, Takai C, Sumida T
Clin Exp Immunol
. 2014 Apr;
177(2):419-27.
PMID: 24730590
Human cartilage gp-39 (HC gp-39) is a well-known autoantigen in rheumatoid arthritis (RA). However, the exact localization, fluctuation and function of HC gp-39 in RA are unknown. Therefore, using a...