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Using a modified mesa structure of high-Tc superconducting Bi2Sr2CaCu2O8+δ with a thin underlaying base superconductor (∼3 μm), the effective working temperature of the continuous and monochromatic terahertz emitter is extended up to 70 K, and the maximum power of ∼30 μW at 0.44 THz is achieved at the relatively high temperature of T b = 55 K in a low bias current retrapping region. The diverging behavior of the intensity occurring at 55 K in the low current regime without hot spot formation may provide us an important clue for the stronger THz radiation from intrinsic Josephson junction devices.

2014-01-24 08:30:31
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1 0 0 0 OA Optimization of fermentation conditions for crude polysaccharides by Morchella esculenta using soybean curd residue

著者: Li Shuhong Sang Yaxin Zhu Dan Yang Yingnan Lei Zhongfang Zhang Zhenya
出版者: Elsevier
雑誌: Industrial crops and products (ISSN:09266690)
巻号頁・発行日: vol.50, pp.666-672, 2013-10
被引用文献数: 28

In this study, orthogonal experimental design and response surface methodology were employed to optimize the fermentation conditions for crude polysaccharides (MPS) production from the strain Morchella esculenta (M. esculenta) by soybean curd residue (SCR). The MPS yield varied depending on the nutrition contents added in SCR and fermentation time, fermentation temperature and inoculum size by M. esculenta during solid-state fermentation. The optimal fermentation conditions achieved for MPS production 95.82 ± 1.37 mg/g were glucose 4%, (NH4)2SO4 1.5%, water 75% and MgSO4·7H2O 0.2%, fermentation temperature 22.6 °C, fermentation time 21 days and inoculum size 2.67%, respectively. Furthermore, purified polysaccharides (PMPS) exhibited a positive antioxidant activity. The results provide a reference for large-scale production of polysaccharides by M. esculenta using SCR in the medical and food industries.

2014-01-24 08:30:25
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1 0 0 0 OA ヘテロな分散環境用makeの実装と大規模自然言語処理ワークフローの実行

著者: 関谷岳史
出版者: 大学院情報理工学系研究科電子情報学専攻
巻号頁・発行日: 2008-03

報告番号: ; 学位授与年月日: 2008-03-24 ; 学位の種別: 修士 ; 学位の種類: 修士(情報理工学) ; 学位記番号: ; 研究科・専攻: 情報理工学系研究科電子情報学専攻

2014-01-23 21:03:36
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http://hdl.handle.net/2261/28802

1 0 0 0 OA 73.岐阜県中部地震-1969年9月9日-被害地調査報告

著者: 松田時彦恒石幸正
出版者: 東京大学地震研究所
雑誌: 東京大学地震研究所彙報 (ISSN:00408972)
巻号頁・発行日: vol.48, no.6, pp.1267-1279, 1971-02-27

A locally destructive earthquake with magnitude 6.6 occurred in Okumino area, Gifu Prefecture, Central Japan on September 9, 1969 (Fig. 1). The damage area is underlain mainly by Paleozoic formations and Cretaceous rhyolitic pyroclastic deposits, which are partly covered with dissected Quaternary volcanoes (Figs. 2 and 3). A number of Quaternary faults which are dominantly of strike-slip nature, occur in Central Japan which includes the epicentral area (Fig. 6). The epicentral area is located about 10km west of a main fault of the Atera fault system, which is an active left-lateral strikeslip fault of Central Japan. Although a few active faults are in the meisoseismal area, no definite evidence of surface faulting was found along any active fault, except some echelon cracks suggesting a left-slip on a fault line at one locality. The push pull distribution of P waves (Fig. 1), the distribution of aftershocks and the shape of the meisoseismal area (Fig. 5) suggest the concealed seismic fault to be a northwest-trending left-lateral strike-slip fault, which strikes parallel to the Atera fault and has the same sense of displacement. The direction of maximum pressure of the present earthquake corresponds well with the Quaternary stress direction, which has been inferred from the study of active fault systems in Central Japan.

2014-01-23 14:29:44
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http://hdl.handle.net/2261/12571

1 0 0 0 OA 75.岐阜県中部地震-1969年9月9日による被害調査報告

著者: 伯野元彦
出版者: 東京大学地震研究所
雑誌: 東京大学地震研究所彙報 (ISSN:00408972)
巻号頁・発行日: vol.48, no.6, pp.1287-1294, 1971-02-27

The following features are pointed out concerning the damage of structures by the recent Sept. 9, 1969 earthquake in the Gifu Prefecture in Japan. i)It is supposed that the acceleration of the ground motion is more than 350 gals, due to the behavior of gravestones, however, the damage of structures is not so severe. The reason might be the fact that the epicenter of the earthquake is in the mountainous region, so the frequency content of the ground motion concentrations in a higher frequency domain. ii)The damage of the following structures are severe, A)Road, highway going through the slope of mountains, B)Masonry retaining wall, C)Failure of the forest area, iii) Almost no damage was found in Wooden Houses.

2014-01-23 14:29:44
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http://hdl.handle.net/2261/12573

1 0 0 0 OA Color control of Japanese soy sauce (shoyu) using membrane technology

著者: Miyagi Atsushi Suzuki Takayuki Nabetani Hiroshi Nakajima Mitsutoshi
出版者: Elsevier B.V.
雑誌: Food and bioproducts processing (ISSN:09603085)
巻号頁・発行日: vol.91, no.4, pp.507-514, 2013-10
被引用文献数: 23 1

The present study systemically decolorized soy sauce using a membrane process to analyze the separation mechanism. An ultrafiltration (UF) membrane (NTU-2120) exhibited only slight decolorization ability. A nanofiltration (NF) membrane with a lower molecular weight cut-off and produced by sulfonated polysulfone (NTR-7400 series) rather than polyvinyl alcohol/polyamide (NTR-7250) had higher decolorization ability. The NF membranes rejected total nitrogen by 17–24%, unsalted soluble solid content by 24–32%, reducing sugar by 25–43%, and amino acids by 10–25%. The NTR-7400 series membrane rejected lactic acid by 6–9%, and pyroglutamic acid by 11–21%; other quality indexes were maintained. In the NF membrane processes, higher rejection of acidic amino acids than neutral and base amino acids was observed. The separation performance was governed by the electrical effect as well as the sieve effect. Soy sauce color could be controlled by blending NF membrane-processed soy sauce with feed soy sauce. Color can be matched to preference in accordance with dishes by suitably blending NF membrane-processed soy sauce with feed soy sauce.