863 research outputs found

    A Prospect of Sail-Assisted Fishing Boats

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    Ships are potentially suitable for using wind energy. Almost every ship before the 19th century had been using only the wind power by classic sails, and supporting the worldwide trades and logistics in those days. In 1980’s after the last oil crises, many kind of modern sail-assisted ships were developed. Now, they will be hoped to become one of the best solution against the increasing CO2 discharge. In this paper, the author tries to review the past sail assisted-ships, and investigate into the prospect of the sail-assisted ships especially focusing to the fishing boat in future.Proceedings of International Commemorative Symposium - 70th Anniversary of the Japanese Society of Fisheries Science, October 1-5, 2001, Yokohama (日本水産学会創立70周年記念国際シンポジウム「新世紀における水産・海洋科学の展望」, 2001年10月1日-5日, パシフィコ横浜)

    Investigation into the Optimal Strategy of Radium-223 Therapy for Metastatic Castration-Resistant Prostate Cancer

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    主査:石井一成 教授  学内授与番号:医第1403号 Yasuo Oguma, Makoto Hosono, Kaoru Okajima, Eri Inoue, Kiyoshi Nakamatsu, Hiroshi Doi, Tomohiro Matsuura, Masahiro Inada, Takuya Uehara Yutaro Wada, Aritoshi Ri, Yutaka Yamamoto, Kazuhiro Yoshimura, Hirotsugu Uemura, Yasumasa Nishimura" Investigation into the Optimal Strategy of Radium-223 Therapy for Metastatic Castration-Resistant Prostate Cancer" Radiation 2022, Volume 2, Issue 3, 273-284 https://doi.org/10.3390/radiation2030021 掲

    Yasuo Oshima's Self-Actualization and his Fishery Studies : A Life of the Elder Brother of Well-Known Writer Taijun Takeda

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    P(論文)Yasuo Oshima (1908〜1994) was born in Tokyo. His father, Yasunobu Oshima, was both a jodo sect Budhist priest and professor of the science of religion in Taisho University. Yasuo had a younger brother, Taijun Takeda, who entered Tokyo University to study Chinese literature but withdrew, and became a well-known writer in Japan later. Yasuo also entered Tokyo University to make a special research of fisheries science, and produced many scientific achievements. So he could become a professor of Tokyo University. His career as a scholar was steady and honest. And so the author in this article attempts to reveal Yasuo Oshima's life as a scholar and educator.departmental bulletin pape

    Investigation into the Optimal Strategy of Radium-223 Therapy for Metastatic Castration-Resistant Prostate Cancer

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    近畿大学Kindai University博士(医学)主査:石井一成 教授  学内授与番号:医第1403号 Yasuo Oguma, Makoto Hosono, Kaoru Okajima, Eri Inoue, Kiyoshi Nakamatsu, Hiroshi Doi, Tomohiro Matsuura, Masahiro Inada, Takuya Uehara Yutaro Wada, Aritoshi Ri, Yutaka Yamamoto, Kazuhiro Yoshimura, Hirotsugu Uemura, Yasumasa Nishimura" Investigation into the Optimal Strategy of Radium-223 Therapy for Metastatic Castration-Resistant Prostate Cancer" Radiation 2022, Volume 2, Issue 3, 273-284 https://doi.org/10.3390/radiation2030021 掲載doctoral thesi

    John Leslie speaking behind a podium.

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    John O. Leslie, Governor Allain, Naofumi Hayakawa, Masa Hashimoto and Yasuo Satohttps://egrove.olemiss.edu/leslie/1108/thumbnail.jp

    Manoeuvring Prediction of Fishing Vessels

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    Fishing vessels generally have good performance in ship manoeuvrability. The relatively large rudder and propeller assist to make such performance, so there has been little need to the manoeuvering prediction. However, the manoeuvring prediction has become very important because the strong rudder force sometimes causes the capsizing accident. As for the principal dimensions of fishing vessels, they are different from conventional merchant ships. The ship length is generally small. The length beam ratio: L/B becomes less than 3.0 particularly in Northern Europe. Besides, they large initial trim by the stern. Therefore, the hydrodynamic force becomes quite complicated. This makes a difficulty when predicting the manoeuvrability of these vessels, In this paper, the authors show the database of hydrodynamic derivatives with several fishing vessels including the recent European wide beam vessel, and then introduce the empirical formulas to predict the hydrodynamic derivatives as well as other hydrodynamic coefficients based on the obtained database. Using these empirical methods, manoeuvring ship motions can be easily simulated and the manoeuvring prediction successfully done

    Design of a Small Fisheries Research Vessel with Low Level of Underwater-Radiated Noise

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    It is important for a fisheries research vessel to reduce the underwater-radiated noise. In 1995, the International Council for the Exploration of the Sea (ICES) firstly recommended the maximum noise level for research vessels to ensure the acoustic research works and to prevent the fish reaction against the noise 1). Since then, it has been the world standard for the design of fisheries research vessels. For a small size vessel, however, it is very difficult to achieve the recommendations because of not enough space or capacity to make sound insulations. Moreover, the Froude number (Fn) of such small vessels tends to be higher than that of the larger vessels. Since the higher Froude number of the operating condition causes the large wave-making resistance, both propeller thrust and occurrence of cavitation increase, which tends to result in the higher level of underwater-radiated noise. Meanwhile, the fisheries research-cost can be reduced by using a small vessel, because not only the construction and operation cost, but also maintenance cost become lower than those of a large vessel. It would be desirable and efficient if a small vessel could satisfy the ICES's recommendation in place of a large research vessel. In this paper, the authors propose a design method for a small research vessel to reduce the underwater-radiated noise level. Utilizing this method, a small fisheries research vessel whose capacity is 290 GT and length is 33.5 m has been designed. From the sea trials after the construction, it has been proved successfully that the underwaterradiated noise level is the world lowest class at 10 knots (Fn=0.28) of researching speed and still satisfies the ICES's recommendation even in 11.6 knots (Fn=0.33) of the high-speed region

    Chemical composition of pond waters on the ilands located in the Seto Inland Sea

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    Freshwater ponds are found on a number of islands located in the Seto Inland Sea. The author made observation of the chemical properties of pond water at some of the ponds located on the islands in the western part of the Seto Inland Sea. The primary purpose of this survey was to know the effect of the "sea breeze" from the chlorine contents of pond water. Some of the surveyed ponds were utilized for irrigation. Almost all the surveyed ponds were relatively shallow, and dissolved oxygen was poor in the bottom layer. Chlorine contents were considerably lower than expected. Other chemical compositions and their contents in each pond were not extraordinary; they were of the same order as the average values reported by Dr. S. YOSHIMURA for the lake waters of Japan. The results of the observation and water analysis are shown in Table I. It seemed that all the surveyed ponds could be utilized for the culture of freshwater fishes

    Leucine-rich repeat kinase 2 promotes the development of experimental severe acute pancreatitis

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    近畿大学Kindai University博士(医学)主査:松本 逸平 教授 学内授与番号:医第1424号This is a pre-copyedited, author-produced version of an article accepted for publication in [Clinical and Experimental Immunology] following peer review. The version of record [Yasuo Otsuka, Akane Hara, Kosuke Minaga, Ikue Sekai, Masayuki Kurimoto, Yasuhiro Masuta, Ryutaro Takada, Tomoe Yoshikawa, Ken Kamata, Masatoshi Kudo, Tomohiro Watanabe "Leucine-rich repeat kinase 2 promotes the development of experimental severe acute pancreatitis" Clinical and Experimental Immunology, Volume 214, Issue 2, November 2023, Pages 182–196] is available online at: [https://doi.org/10.1093/cei/uxad106].doctoral thesi

    Leucine-rich repeat kinase 2 promotes the development of experimental severe acute pancreatitis

    No full text
    主査:松本 逸平 教授 学内授与番号:医第1424号This is a pre-copyedited, author-produced version of an article accepted for publication in [Clinical and Experimental Immunology] following peer review. The version of record [Yasuo Otsuka, Akane Hara, Kosuke Minaga, Ikue Sekai, Masayuki Kurimoto, Yasuhiro Masuta, Ryutaro Takada, Tomoe Yoshikawa, Ken Kamata, Masatoshi Kudo, Tomohiro Watanabe "Leucine-rich repeat kinase 2 promotes the development of experimental severe acute pancreatitis" Clinical and Experimental Immunology, Volume 214, Issue 2, November 2023, Pages 182–196] is available online at: [https://doi.org/10.1093/cei/uxad106]
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