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Article type: Cover
2002 Volume 35 Pages
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Published: 2002
Released on J-STAGE: April 28, 2023
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Article type: Index
2002 Volume 35 Pages
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Published: 2002
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Shimaho MATSUMURA, Kazumi AKIBA, Takayoshi ITAGAKI
Article type: Article
2002 Volume 35 Pages
1-9
Published: 2002
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Many kinds of fish are the target of fishing. Commonly the fishing method is different according to the kind of fish. The fishing methods depend fundamentally as the habit of fish. Further, the fishing methods are considered by synthesizing requirements, such as place, tide, fishing tackle, and seasons. For this reason, although there are about 30 kinds of fishing now, these are mixed together to make mamy other fishing methods. The fewer one is good although these numbers are a few compared with about 100 of the number of target fish. In the book of fishing, the operation of fishing talks only about the fish classification and there is no explanation of the operation as a whole. So, we analyzed the fishing methods of freshwater fish, which broke down into basic operation guideline. On the basic of these, this paper reports about the fishing methods classified newly by the unified standard.
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Kunihito USUI, Ikusaburo KURIMOTO
Article type: Article
2002 Volume 35 Pages
11-16
Published: 2002
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Hiroyuki WASAKI
Article type: Article
2002 Volume 35 Pages
17-24
Published: 2002
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Masaki OHKI, Jyunji SHIRAI
Article type: Article
2002 Volume 35 Pages
25-29
Published: 2002
Released on J-STAGE: April 28, 2023
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近年,多自然型川づくりが行われてきており,多くの試みにより河川環境あるいは景観に配慮した川づくりが実施されている.本研究は河川の周囲の景観を考慮して,水面下に水制構造物を挿入することで,湾曲部を通過する流線に方向変化を生じさせ,湾曲による流れの影響を緩和することを目的に実験を重ねている. 同一曲率内に水制構造物を挿入して実験を行った結果,河川湾曲部に水制構造物を挿入する場合,singleで挿入するよりもdouble で挿入する方が流線の方向変化に対し有効に作用する.また,挿入する水制構造物の間隔は,長いほうが有効であり,水制構造物のおよそ5倍程度である.しかし,挿入による流線の乱れも大きくなることが判明した.なお,水制構造物の挿入位置は湾曲部の下流およそ63%程度である.本研究は同一曲率内で行った実験結果を踏まえ,河川湾曲部の曲率を変えて実験を行い,同一曲率で行った実験結果と同様に,水制構造物挿入による有効性が得られるか検討した結果を報告する.
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Tsuneaki SATOH, Yutaka MIYAMOTO, Nobuhiro ONIZUKA
Article type: Article
2002 Volume 35 Pages
31-34
Published: 2002
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Recently, it is measured that vertical motions in a pin bearing at corroded truss bridge. This cause is investigated by the occurrence of linear expansion of upper chord members, and numerical simulation results show the first step of this investigation.
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Masaaki ISHIKAWA
Article type: Article
2002 Volume 35 Pages
35-40
Published: 2002
Released on J-STAGE: May 02, 2023
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In this paper we describe development and verification of fish habitat evaluation method applied individual based model. We developed computer software reappeared fish school behavior. We calculated time series data of fish school redius that indicated expanse of fish school from each fish position data. In verification of individual based model, we compared computational results with experimental one, used power spectrum of fish school radius. The results have confirmed the certain extent reliability of the model.
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Satoshi YAMASHITA
Article type: Article
2002 Volume 35 Pages
41-44
Published: 2002
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Toshiaki NAKAMURA
Article type: Article
2002 Volume 35 Pages
57-62
Published: 2002
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Learning of the way of communication is being taught in senior high schools as one of the part of English lessons in the school curriculum. In the textbooks used in both junior high school and senior high schools, communication strategies are used especially in the materials of dialog or conversation. In this paper, seventeen textbooks being now used in high schools throughout the country are analyzed from the points of how the CS (communication strategies, in short) are dealt with in the course of lessons. This is the 4th and final edition of the series of studies concerning communication strategies taught at school education in Japan. The first paper covered how CS has been studied to adjust itself in school curriculum. In the second paper the junior high school textbooks were analyzed from the point of CS. The third examined the entrance examinations to high schools on the view of the CS questions in each test.
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Shinichiro KITTAKA
Article type: Article
2002 Volume 35 Pages
93-100
Published: 2002
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It is said that the most important part of learning a foreign language is learning vocabulary. The top-down, naturalistic and communicative approaches, which have put great emphasis on implicit, incidental learning of vocabulary, teach us the importance of directing students to recognize clues in context and to infer word meaning from context. Guessing is the primary vocabulary skill in these approaches. It seems to have much to do with students' motivation to learn English as well. It is natural that students learning English should encounter unknown words at a great rate. What should they do if they encounter unknown words while reading books in English ? They may very well try to guess the meanings of unknown words. It is our inclination to try to probe the unknown and guessing is a natural process of our thinking, which gives us a sense of achievement and satisfaction if it is successful. In this paper, the author points out that "learner autonomy" for learning English might be fostered in students' minds through guessing. He believes that students will come to challenge new reading materials on their own some day when they are given enough training for guessing as one of learning strategies, while enjoying it as a soft of game activity in class.
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Tetsuya SEINO, Hiromitsu SAKATA, Tomoki SHINOMURA
Article type: Article
2002 Volume 35 Pages
129-133
Published: 2002
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This study was undertaken to examine the average scores of long distance running made by the students of Kisarazu National College of Technology and to prepare the standards for evaluation in the class. Six categories in the boy students and three categories in the girl students were made respectively. The scores of each student were given rankings according to the five grade evaluation system which was prepared based on the average scores and the standard deviation.
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Ikuko SHIBATA
Article type: Article
2002 Volume 35 Pages
135-141
Published: 2002
Released on J-STAGE: May 15, 2023
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Hiromitsu SAKATA, Tetsuya SEINO, Fusao HIRATA
Article type: Article
2002 Volume 35 Pages
143-149
Published: 2002
Released on J-STAGE: May 02, 2023
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The purpose of this study is to make a software which can be used to deal with data processing for the track and field athletic events. The data used in the processing software is taken from the results of the preliminary of the national high-school athletic meet held in Chiba in 2000. The software is dependent largely upon the spreadsheet software, Excel 98 in the part of the original skeleton. The software was examined three times in 2000. As the result of introducing the software, the following four are prominent effects. (1) Dealing with the results and records is easier. (2) Data processing is shorter in time. (3) The number of input errors is decreased. (4) The necessary staffs for data processing are reduced.
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Youichi IWASAKI, Kenji OZAWA
Article type: Article
2002 Volume 35 Pages
159-166
Published: 2002
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The computer system in the multimedia laboratory of Kisarazu National College of Technology was renewed in March,2001. The laboratory had been used as language laboratory (LL) until 1996, and then a computer system was introduced in the room. Although the Apple computers, the Macintosh operating system, had been used in the computer system in the multimedia laboratory before this renewal, Windows 2000 computers were introduced to the new computer system. In this paper, the characteristics of this computer system and the issues from the points of troubles in using the system are described with observation or analysis.
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Maki HOSHINO, Satoru SUZUKI
Article type: Article
2002 Volume 35 Pages
167-170
Published: 2002
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Article type: Bibliography
2002 Volume 35 Pages
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Published: 2002
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Article type: Index
2002 Volume 35 Pages
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Published: 2002
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Article type: Index
2002 Volume 35 Pages
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Published: 2002
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