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Measurement of High Energy Neutron Induced Cross Sections for Chromium
S. Sekimoto,T. Utsunomiya,H. Yashima,H. Joto,S. Shibata,K. Ninomiya,D. Satoh,Y. Iwamoto,T. Omoto,R. Nakagaki,N. Takahashi,A. Shinohara,T. Shima,M. Hagiwara,H. Matsumura,K. Nishiizumi,Y. Matsushi,H. Ma 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
Reaction cross sections for Cr induced by neutrons at 287 MeV were measured by using ^7Li(p,n) reaction at N0 beam line in the Research Center for Nuclear Physics (RCNP), Osaka University. To estimate quasi-monoenergetic neutron-induced cross sections, the Cr sample was irradiated on the two angles of 0° and 30° for the axis of the primary proton beam. Proton-induced reaction cross sections for Cr at 300 MeV were also measured. The measured cross section data in the ^(nat)Cr(n,x) and ^(nat)Cr(p,x) reactions are compared with the literature values and the JENDL high-energy file. Furthermore, those in the ^(nat)Cr(n,x) reactions are also compared with those in the ^(nat)Cr(p,x) reaction.
SAWADA-SATOH, S.,AKIYAMA, K.,NIINUMA, K.,NAGAI, H.,KINO, M.,D'AMMANDO, F.,KOYAMA, S.,HADA, K.,ORIENTI, M.,HONMA, M.,SHIBATA, K.M. The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
We present a kinematic study of the parsec-scale radio jet in OJ 287, one of the most studied BL Lac objects, during ${\gamma}$-ray flares, to explore the relation between parsec-scale radio jet activity and ${\gamma}$-ray emission. The 22-GHz light curve of OJ 287 show three obvious flare events around 2011 May, 2011 October, and 2012 March. The second radio flare occurred during the ${\gamma}$-ray flaring period, and the third radio flare seemed to precede the ${\gamma}$-ray flare by one month. One jet component moved outward with respect to the core component with an apparent superluminal speed (~ 11c) from 2010 November to 2011 November. Then it changed direction, moving apparently inward in 2011 November, when the ${\gamma}$-ray flare occurred. The observed apparent inward motion of the jet at 22 GHz could be caused by a new jet component, unresolved at 22 GHz, in the innermost region.
Iga, T.,Satoh, T.,Yamamoto, S.,Fukui, K.,Song, S.H.,Choi, K.C.,Roh, S.G.,Sasaki, S. Asian Australasian Association of Animal Productio 2009 Animal Bioscience Vol.22 No.11
Trans-10, cis-12 conjugated linoleic acid (CLA) has been reported to inhibit the adipocyte differentiation of preadipocytes in non-ruminant animals (mice, rat, and human). However, the effects of trans-10, cis-12 CLA have not been clear in ruminants. The objective of this study was to investigate the effects of trans-10, cis-12 CLA on adipocyte differentiation of ovine preadipocytes. Differentiation of these preadipocytes was facilitated by treatment with trans-10, cis-12 CLA. Trans-10, cis-12 CLA increased the number and size of oil red O-stainable lipid drops as well as the levels of GPDH activity. PPAR-$\gamma{2}$ and adipophilin mRNA, adipogenic marker genes, were increased by treatment with trans-10, cis-12 CLA. This result was different from that observed with 3T3-L1 preadipocytes, a clonal cell line derived from rodents. Furthermore, trans-10, cis-12 CLA alone induced the adipocyte differentiation of ovine preadipocytes in differentiation-induction medium without troglitazone. These results suggest that CLA is an inducer and regulator in adipocyte differentiation of ovine preadipocytes, with species differences between ovine and rodent preadipocytes.
Satoh, T.,Nishikawa, N.,Kawato, D.,Suemasa, D.,Jung, S.,Kim, Y.,Ree, M.,Kakuchi, T. Royal Society of Chemistry 2014 Polymer chemistry Vol.5 No.2
Well-defined hydroxyl end-functionalized poly(n-hexyl isocyanate), PHIC-(OH)(2) and PHIC-(OH)(3), as rod-type macroinitiators were synthesized by the Cu-catalyzed azide-alkyne cycloaddition reactions of azido end-functionalized PHIC with ethynyl alcohol derivatives. The PHIC-(OH)(2) and PHIC-(OH) 3 were suitable macroinitiators for the ring-opening polymerization of L-LA and epsilon-CL leading to the synthesis of novel rod-coil type miktoarm star copolymers, PHIC-b-PLLA(2), PHIC-b-PLLA(3), PHIC-b-PCL2, and PHIC-b-PCL3, with controlled molecular weights, narrow polydispersities, and controlled arm numbers. Additionally, the thermal and solution properties of the obtained miktoarm star copolymers along with the corresponding block copolymers, PHIC-b-PLLA and PHIC-b-PCL, were characterized by TGA, DSC, and DLS analyses.
Application of Matrix Thinking Method to Introduction Program in Engineering Education
Y. Satoh,K. Takahashi,Y. Takahata,김윤해,S. Kubota 한국공학교육학회 2010 공학교육연구 Vol.13 No.2
From a lot of survey, it is obvious that most students in universities lose their desire for learning just after enteringtheir universities. In order to solve this problem, we developed a novel educational tool for the students, named “Thethinking method based on matrix diagram”. If they try hard with the help of this tool, they will be able to learn how todesign and manage their splendid university lives in addition to get the basic knowledge and to improvetheir basic abilities.It is also found that they can earn the shared knowledge mutually after learning a common method, which supports to makethem to improve their communication abilities drastically.