著者

鈴木 清 藤原 忠 石井 忠

出版者

公益社団法人 日本顕微鏡学会

雑誌

電子顕微鏡 (ISSN:04170326)

巻号頁・発行日

vol.3, no.1, pp.58-61, 1953-10-10 (Released:2009-09-30)

参考文献数

4

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(1)国産研磨材料を用いて超薄切片用マイクロトーム・ナイフの研磨法を考察し, 3段階法を採用した。(2)荒砥ぎにはガラス砥石に#800のアルミナ又はカーボランダム。中砥ぎにはガラス砥石に#1500の酸化クロム仕上げにはベークライト砥石又はピッチ砥石にベニガラ(直径1μ以下)を用い×700~×1000の顕微鏡検査に耐え得る刃を作り得た。

著者

八木 綾子 稲垣 厚至 神田 学 藤原 忠誠 藤吉 康志

出版者

公益社団法人 土木学会

雑誌

土木学会論文集B1(水工学) (ISSN:2185467X)

巻号頁・発行日

vol.70, no.4, pp.I_325-I_330, 2014 (Released:2015-05-18)

参考文献数

11

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Horizontal turbulent flow fields within atmospheric boundary layer above an urban area (Tokyo, Japan) measured by Doppler lidar in autumn and winter were visually classified into six groups, Streak, No streak, Mixed, Fish net, Front, The others. The conditions of each flow occurrence were examined with observed surface meteorological data and related scaling parameters. The following results were obtained: (1)Streak dominates 64% of all valid data, while Fish net does only 2%. No streak and The others, look more laminar rather than turbulent, reach to 20% contribution in total. (2) Each flow patterns can be categorized by . and Re ( is boundary layer height, is the Monin Obukhov length. Re is Reynolds number, the length scale of which is .). (3) Each flow patterns can be categorized by . and Resurf (z is observation height. Resurf is Reynolds number, the length scale of which is .) as well as . and Re. (4) The diagrams of . and Re, and . and Resurf qualitatively illustrate the flow regimes.

著者

藤原忠親 著

出版者

日本史籍保存会

巻号頁・発行日

vol.1, 1916

著者

仲吉 信人 大久保 洸平 Alvin C.G.VARQUEZ 神田 学 藤原 忠誠

出版者

公益社団法人 土木学会

雑誌

土木学会論文集B1(水工学) (ISSN:2185467X)

巻号頁・発行日

vol.69, no.4, pp.I_1741-I_1746, 2013 (Released:2014-03-31)

参考文献数

8

被引用文献数

1

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This paper analyzed the behavior of sea breeze (hereafter SB) penetration to urban area in Kanto. In order to analyze SB penetration, we proposed a new method for SB-front detection using very high-resolution-geostationary satellite images, or MTSAT-2 Rapid Scan, with 1 km-spatial and 5 min.-temporal resolution. From the images, the detailed behaviors of SB were successfully visualized. For the selected SB events, the penetrations to in-land from Tokyo bay and Sagami bay were discussed using the point data of AMeDAS and Atmospheric Environmental Regional Observation System (AEROS), and also a result from the meso-scale simulation, where the important urban effects were parameterized (e.g., actual aero-thermodynamic parameters, anthropogenic heat and vapor emission). Along Tokyo-Saitama line, SB stagnation occurred in every sea breeze event. The observed higher air temperature and convergence resulted in increased vertical mixing, leading to SB stagnation.

著者

藤吉 康志 植田 睦之 高木 憲太郎 山下 和也 藤原 忠誠 菊田 元美

出版者

社団法人日本気象学会

雑誌

大会講演予講集

巻号頁・発行日

vol.92, 2007-09-30

著者

秋田 宏 藤原 忠司 尾坂 芳夫

出版者

Japan Society of Civil Engineers

雑誌

土木学会論文集 (ISSN:02897806)

巻号頁・発行日

vol.1990, no.420, pp.61-69, 1990-08-20 (Released:2010-08-24)

参考文献数

25

被引用文献数

5 14 28

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The distributions of water content within mortar specimens were observed when water moved in one direction under three environmental conditions, namely drying, moisture absorption and water absorption. Numerical results were compared with the experimental data in order to examine whether the diffusion theory with non-linear equation is adequate for description of the behavior of the water movement. From the comparison, it is concluded that the diffusion theory is applicable to the above three conditions when diffusion coefficients and boundary conditions are suitably chosen. The mechanism of water movement within mortar is also discussed.

著者

藤原忠親 著

出版者

日本史籍保存会

巻号頁・発行日

vol.2, 1916