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JaLCDOI 10.18926/fest/11457
Title Alternative Study on Effects of the Density Current Generator by Experiment and Measurement
FullText URL 009_059_064.pdf
Author Watanabe, Masaji| Yamatogi, Toshio|
Abstract The density current generator (Manufacturer: Nakashima Propeller Co., Ltd., Patent owner: Hitachi Metals, Ltd.) is designed to generate vertical circulation over a wide water area harnessing the density current effect. We present some experimental results that we obtained using a float equipped with a GPS unit to study water flows generated by a density current generator unit set in S-Reservoir in Okayama Prefecture. We also present some measured results concerning the water temperature around the unit. We discuss its effects observing the experimental results and the measured results.
Keywords density current stratification water environment
Publication Title 岡山大学環境理工学部研究報告
Published Date 2004-02-27
Volume volume9
Issue issue1
Start Page 59
End Page 64
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313754
JaLCDOI 10.18926/fest/11447
Title Alternative Development of the Mesh Data Analysis System
FullText URL 009_001_007.pdf
Author Niu, Donghui| Tarumi, Tomoyuki|
Abstract Area mesh statistics is a kind of small area statistics. The area mesh data of Japan can be created in a lot of way and many of them can be downloaded, for example, from the land's value information service which is provided by Ministry of Land, Infrastructure and Transport of Japan. We developed database of these area mesh data. By using mesh navigator software (Makita Naoki, 1997), which needs to run on ProAtlas2000 and Microsoft Access2000, we displayed the mesh data on the map. What visualized on the map is very convenient. For extending the advantages of area mesh data to spatial geographical statistics, we used PostgreSQL to develop a new database of mesh data. We also develop some programs in Delphi for the analysis of area mesh data, such as Histogram, Echelon analysis, and etc.
Keywords Area mesh data PostgreSQL PQCompo ProAtlas2000
Publication Title 岡山大学環境理工学部研究報告
Published Date 2004-02-27
Volume volume9
Issue issue1
Start Page 1
End Page 7
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313385
JaLCDOI 10.18926/fest/11445
Title Alternative Emulsification Properties of Poly(lactide-block-ethylene glycol-block-lacticide) Block Polymers
FullText URL 011_107_110.pdf
Author Matsumoto, Yasuo| Kitamura, Yoshiro| Yoshizawa, Hidekazu|
Abstract Homo-and copolymers of poly(lactic acid) have gathered much attention because of their biodegradability and biocompatibility. They have numerous applications in the biomedical field due to their potential. In their polymers, we are interested in poly(lactic acid)-poly(ethylene glycol) block polymers. The amphiphilic triblock copolymers, poly(DL-lactic acid)-poly(ethylene glycol)-poly(DL-lactic acid)(PLEL), have known to be surface-active ability. Therefore, we have studied emulsification properties with the polymers. PLEL were prepared by ring-opening copolymerization of DL-lactide and poly(ethylene glycol) catalyzed by stannous 2-ethylhexanoate. We prepared ethyl acetate-water-PLEL emulsion and applied this emulsion to biodegradable polymer scaffolds. PLA scaffolds were prepared by an emulsion freeze-drying method. These scaffolds were made by varying water weight fraction. Their surface pore size became larger with increasing water weight fraction.
Keywords Poly(lactic acid) Poly(ethylene glycol) Biodegradable polymer Tissue Engineering Surfactant
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 107
End Page 110
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002314040
JaLCDOI 10.18926/fest/11444
Title Alternative Synthesis of Novel Temperature-responsive Polymer Gel of Poly(aspartic acid)s
FullText URL 011_103_106.pdf
Author Uehara, Hiroki| Tanimoto, Fumiaki| Kitamura, Yoshiro| Yoshizawa, Hidekazu|
Abstract Recently, thermo-responsive polymer gels have been studied in various research fields such as drug delivery system. One of represetative thermo-responsive polymer gels is poly(N-isopropylacrylamide) gel (PNIPAAm) that has a rapid and reversible volume phase transition. However, PNIPAAm is not biodegradable, resulting in limitation of its use in medical fields. Novel thermo-responsive polymer gel was prepared by closslinking of isopropylamine modified poly(succinimide) (IPA-PSI) (Poly[α,β -(DL-aspartate isopropyl amide)-co-(succinimide)]) with hexamethylenediamine. Because of peptide bonds in backbone, therefore, it is expected to possess biodegradability and biocompatibility. These gels changed their volume in response to change of environment such as temperature, pH and concentration of salt in water. Crosslinkage density and substitution degree of IPA-PSI affected volume phase transition bahavior of the gel.
Keywords Thermo-responsive polymer gel Biodegradable polymer Poly(aspartic acid) Lower Critical Solution Temperature(LCST) Drug delivery system(DDS)
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 103
End Page 106
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313620
JaLCDOI 10.18926/fest/11440
Title Alternative Measurement of thermal conductivity in the soils of Shirakami Mountains
FullText URL 011_089_092.pdf
Author Hanzawa, Wakako| Moroizumi, Toshitsugu| Sasaki, Choichi|
Abstract Thermal conductivity of soils in Shirakami Mountains that was registered on UNESCO's World Natural Heritage in 1993 were measured using a twin transient-state cylindrical-probe method. The typical results were as follows:(1) Thermal conductivity of the soils in Shirakami Mountains increased according to an increase of soil water content, which was the same tendency as the other soils. (2) The thermal conductivity of the soils was about 0.2~0.3 Wm(-1)K(-1) smaller than volcanic ash soils, and it showed the same tendency as leaf mold.
Keywords Shirakami Mountains Thermal conductivity Twin transient-state cylindrical-probe method Volumetric water content
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 89
End Page 92
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313628
JaLCDOI 10.18926/fest/11438
Title Alternative Characteristics of Dredged Sludges by Desiccation
FullText URL 011_083_088.pdf
Author Takisawa, Tomoaki| Nishimura, Shin-ichi| Murakami, Akira|
Abstract To examine the possible reuse of dredged sludge in view of construction material, physico-chemical properties and geotechnical characteristics of desiccated sludge are investigated through laboratory experiments. The consistency test, the pH test, the XRF test and the X-ray diffraction analysis are carried out for physico-chemical proteries, and the conolidation test and the permeability test are made for geotechnical characteristics. It is concluded that the history of desiccation changes the consistency of sludge and affects its permeability and consolidation bahavior.
Keywords Dredged sludges consolidation permeability solidification material XRF
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 83
End Page 88
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313636
JaLCDOI 10.18926/fest/11433
Title Alternative Measuring Method of Water Content for High compacted Bentonite Block by using Frequency Domain Reflectometry
FullText URL 011_057_064.pdf
Author Nishigaki, Makoto| Komatsu, Mitsuru| Chijimatsu, Masakazu|
Abstract In the high-level radioactive waste disposal project, in order to know the infiltration behavior, it have to be examined that the bentonite buffer material is used as a barrier, and the measuring device of moisture with the high accuracy is required. In this study it is discussed the usefulness for Frequency Domain Refrectometry (FDR) method through the measuring dielectric constant and making the calibration curve for the several kinds of bentonite material block (pure and silica sand mixing).
Keywords Measuring syatem Bentonite Volumetric mousture content Frequency domain reflectometry
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 57
End Page 64
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313913
JaLCDOI 10.18926/fest/11429
Title Alternative Variable selection besed on global score estimation and its numerical investigation
FullText URL 012_029_040.pdf
Author Mori, Yuichi| Fueda, Kaoru| Iizuka, Masaya|
Abstract A variable selection method using global score estimation is proposed, which is applicable as a selection criterion in any multivariate method without external variables such as principal component analysis. This method selects a reasonable subset of variables so that the global scores, e.g. principal component scores, which are computed based on the selected variables, approximate the original global scores as well as possible in the context of the least squares. Three computational steps are proposed to estimate the scores according to how to satisfy the restriction that the estimated global scores are mutually uncorrelated. Three different examples are analyzed to demonstrate the performance and usefulness of the proposed method numerically, in which three steps are evaluated and the results obtained using four cost-saving selection procedures are compared.
Keywords principal components least square orthogonalization cost-saving selection
Publication Title 岡山大学環境理工学部研究報告
Published Date 2007-03-15
Volume volume12
Issue issue1
Start Page 29
End Page 40
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313992
JaLCDOI 10.18926/fest/11428
Title Alternative Socially Responsible Investment to Japanese Companies
FullText URL 011_031_041.pdf
Author Ikeda, Yousuke| Fueda, Kaoru|
Abstract Recently, Socially Responsible Investment, which is a policy of investment regarding with companies' social, environmental and moral value, attracts attention of investors. However, there are little data to explain the effectiveness of the SIR in Japan. In this paper we report the relation between environmental management and stock price of Japanese companies.
Keywords Socially Responsible Investment Environmental rating Eco fund
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 31
End Page 41
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313974
JaLCDOI 10.18926/fest/11427
Title Alternative Kernel density estimation on the interval
FullText URL 011_027_030.pdf
Author Ueki, Masao| Fueda, Kaoru|
Abstract In the field of data analysis, including environmental data, it is important to know the shape of underlying density function. In this case, we often use histogram which provides an information about the board line of density's curve. However histogram can not be the best method when the true density function is continuous, as is often the cases. On the other hand, kernel density estimator is another popular one which gives a continuous function. In some practical cases, however, there is a case that some knowledges about the range of the data are previously given. For instance, data of percentage, such as mortality rate, only takes the values on [0,1]. This paper considers two different modifications in kernel density estimator for the data on known interval and compares them.
Keywords kernel density estimator adaptive bandwidth data on finite interval
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 27
End Page 30
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313832
JaLCDOI 10.18926/fest/11426
Title Alternative Hydrodynamic and structural simulation by a particle approach
FullText URL 011_019_026.pdf
Author Morita, Toshimasa| Kajiwara, Tsuyoshi|
Abstract This paper is a research report concerning the hydrodynamic simulation and the structural simulation by a particle approach. The proposal particle method model is introduced in this report, and the calculation example by the calculation code which uses the proposal model is shown. The high possibility of the particle method is shown by calculation examples which is difficult to solve by FDM and FEM. It is shown by caliculation examples of both the hydrodynamic and the structure analysis problems that the proposal model enables us to treat the fluid and the structure in a unified way.
Keywords Particle Simulation Hydrodynamic analysis Structural analysis
Publication Title 岡山大学環境理工学部研究報告
Published Date 2006-03-15
Volume volume11
Issue issue1
Start Page 19
End Page 26
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313653
JaLCDOI 10.18926/fest/11425
Title Alternative A mathematical model of Plasmodium falciparum transmission incorporating drug resistance: Simulations of the Solomon Islands situation
FullText URL 012_019_027.pdf
Author Chen, Tiantian| Nishina, Tomohiko| Hisakane, Naoto| Ishikawa, Hirofumi|
Abstract The Solomon Islands are known as a high endemic region of malaria. The resistance of Plasmodium falciparum to chloroquine has been confirmed since 1980 in the Solomon Islands, and the spread of chloroquine resistance is a big hurdle to malaria control. We have constructured the model for P. falciparum making allowance of chloroquine resistance. We distinguish the infection of resistance strains from that of sensitive strains in both the human and the vector populations. Since the overall parasite rate and the parasite rate of gametocytes for P. falciparum are strongly dependent on age, the human population is divided into 7 age groups in the model. The epidemiological parameters are determined by malariological survey in northeastern Guadalcanal (Ishii et al.) and the sporozoite rate in vector population is assumed as 0.1% based on the entomological study (Harada et al.) Our study aims at estimating the effect of mass drug administration under the presence of drug-resistance and also analyzing the escalation of drug-resistance through the transmission model for P. falciparum which can deal with chloroquine resistance.
Keywords Solomon Islands Plasmodium falciparum drug resistance model
Publication Title 岡山大学環境理工学部研究報告
Published Date 2007-03-15
Volume volume12
Issue issue1
Start Page 19
End Page 27
ISSN 1341-9099
language Japanese
File Version publisher
NAID 120002313858
Author Oshiki, Toshiyuki|
Published Date 2007-09-12
Publication Title
Content Type Conference Paper
Author Nakamura, Eizo|
Published Date 2007-10
Publication Title 月刊プラザ岡山
Volume volume2007
Issue issue10
Content Type Others
JaLCDOI 10.18926/11418
Title Alternative Clinical Evaluation and Assessment in School Setting
FullText URL 003_155_166.pdf
Author Yamamoto, Tsutomu| Tsukamoto, Chiaki| Nishiyama, Hisako| Akazawa, Hiroshi|
Abstract 以下の報告は、平成14年8月26日に開催された岡山大学教育学部附属教育実践総合センター研修講座の教育臨床部門の分科会「シンポジウム:教育臨床における評価・見立てについて」での報告内容をもとに、発表者がそれぞれに再構成して書き下ろしたものである。シンポジウムのコーディネーターは塚原千秋が行った。そして、まず心理臨床の視点から山本が教育臨床の見立てとは何かについて模索した見解を報告した。続いて専任スクールカウンセラーの立場から西山が米国のスクールカウンセリングをモデルにした評価の仕方を詳しい報告にした。最後に学校でのブリーフセラピーの可能性を探る教師の視点から赤沢が実践的な方法と認識を報告した。
Keywords 教育臨床 (Clinical Judgement) 評価・見立て (Assessment) 教育相談体制 (School Counseling)
Publication Title 岡山大学教育実践総合センター紀要
Published Date 2003
Volume volume3
Issue issue1
Start Page 155
End Page 166
ISSN 1346-3705
language Japanese
File Version publisher
NAID 120002313687
JaLCDOI 10.18926/11417
Title Alternative A Comprehensive Learning Activity of Transmitting Imada Puppet Show in Ryukyo Junior High School, Nagano
FullText URL 003_147_153.pdf
Author Nagasaka, Yumi| Oku, Shinobu|
Abstract 本稿は、音楽教育学的視点から見た郷土芸能の伝承に関する質的研究の可能性について、長野県にある飯田市立竜峡中学校で行われている今田人形の伝承活動に関して論述することによって、明らかにすることを試みたものである。飯田市龍江地区(旧飯田村)には、約300年に渡り郷土芸能”今田人形”が伝承されてきた。竜峡中学校では、1978年からその伝承活動がクラブとして行われてきたが、2000年度からは新たに総合的な学習の一環として行われている。竜峡中学校における今田人形の伝承活動は、学校教育のみならず地域社会に存在する様々な教育的・社会的課題を考えていく上で、多分に参考となる事例である。この事例を取り上げ、インタビューによって何をどこまで明らかにすることができ、その中の何を普遍化のための手がかりとすることができるかという可能性について論述する。
Keywords 竜峡中学校 (Ryukyo Junior High School) 今田人形 (Imada Puppet Show) 伝承活動 (Transmitting Activities) 総合的な学習 (Comprehensive Learning Hour) 「地域文化」講座 (a course of "Local Culture")
Publication Title 岡山大学教育実践総合センター紀要
Published Date 2003
Volume volume3
Issue issue1
Start Page 147
End Page 153
ISSN 1346-3705
language Japanese
File Version publisher
NAID 120002313943
JaLCDOI 10.18926/11416
Title Alternative The Development of an Interaction Analysis Support System for asynchronous CSCL
FullText URL 003_139_146.pdf
Author Kasai, Toshinobu| Suzuki, Mariko| Nagata, Tomoko|
Abstract 近年、初等中等教育や高等教育における協調学習の重要性がますます指摘されるようになっている。また、学校へのインターネット接続が急速に進み、CSCL(Computer Supported Collaborative Learning)に関する研究が多く行われ、実践でも掲示板等を使ったWeb上での協調学習が多く見られる。しかし、授業実践者が学習者の学習過程を分析する際、対話の履歴が保存されることは大きな利点となるが、学習者の知識構造が変化する過程といった質的な分析は授業実践者が対話の内容を一つ一つチェックして行うしかなく、この困難さが掲示板によるCSCL実践のネックの一つであると言える。そこで本研究では、授業実践者が蓄積された対話のデータをいくつかの観点からカテゴライズすることによって、協調学習を量的・質的に分析するのを支援するシステムの開発を行う。
Keywords 協調学習 (Collaborative Learning) 非同期型CSCL (Asynchronous CSCL) 対話データ分析 (An Interaction Analysis) 電子掲示板 (Bulletin Bord System) 分析支援システム (Analysis)
Publication Title 岡山大学教育実践総合センター紀要
Published Date 2003
Volume volume3
Issue issue1
Start Page 139
End Page 146
ISSN 1346-3705
language Japanese
File Version publisher
NAID 120002313908
JaLCDOI 10.18926/11415
Title Alternative A Study of Screen Constitution and proper Character Size on VDT Text Reading According to the Developmental Grade
FullText URL 003_129_138.pdf
Author Myoraku, Akira| Yamaguchi, Yumi| Yamaguchi, Haruhisa| Suenaga, Mithuto|
Abstract 本研究は、人間の視覚認知特性のための基礎的研究として、VDT作業において重要な意味を持つ人間が見やすい画面構成、適正な文字の大きさが学齢によって違うことを検証し、併せて学校などにおける情報教育のための基礎的な研究として、学齢発達段階ごとの見やすいと感じる画面条件の違いを比較する実験を行った。すなわち小学生・中学生・高校生・大学生を被験者として、画面構成条件の違いに応じた、VDTに適した文字サイズと画面構成条件を調べた。その結果を統計分析した結果、小学生から大学生まで多学年にわたる、学齢別の至適文字サイズの特性曲線を導出した。そして子供が見やすいと感じる文字と画面の条件を求める学年別比較を通して、学齢別のVDT視認特性について考察した。
Keywords VDT テキストリーディング (Text Reading) 文字サイズ (Character Size) 画面構成 (Screen Configuration)
Publication Title 岡山大学教育実践総合センター紀要
Published Date 2003
Volume volume3
Issue issue1
Start Page 129
End Page 138
ISSN 1346-3705
language Japanese
File Version publisher
NAID 120002313494
JaLCDOI 10.18926/11414
Title Alternative What the Way of the Information Ethics Education in High School Subject"Information" should be.(Third Report)
FullText URL 003_119_128.pdf
Author Miyake, Motoko| Yamaguchi, Yumi| Yamaguchi, Haruhisa|
Abstract 本研究は、高等学校に新たに平成15年度から必履修教科として設置される普通教科「情報」の指導において重要な意味を持つ情報倫理教育のあり方を探る基礎的な研究として、第1報、第2報で論じた中学生・高校生・大学生への情報倫理意識の実態調査と教育の実態の比較を行うため、現在発行されている全ての「情報」教科書の教育内容の比較を通して、学習者の意識と教科書における情報教育内容の特質を吟味しその内容特性について考察した。全ての教科書の記述内容の質的分析結果を横断的に比較整理し、その記述内容の特徴を論考した。そして高校生への調査との比較において教科書の実態分析をふまえた高等学校の普通教科「情報」における情報倫理教育の方向性について提言した。
Keywords 普通教科「情報」 (Information) 情報教育 (Computer Education) 高校生 (Senior High School Student) 大学生 (University Student) 教科書 (The school Textbook)
Publication Title 岡山大学教育実践総合センター紀要
Published Date 2003
Volume volume3
Issue issue1
Start Page 119
End Page 128
ISSN 1346-3705
language Japanese
File Version publisher
NAID 120002313589
JaLCDOI 10.18926/11413
Title Alternative What the Way of the Information Ethics Education in High School Subject"Information" should be.(Secondt Report)
FullText URL 003_109_117.pdf
Author Miyake, Motoko| Yamaguchi, Yumi| Yamaguchi, Haruhisa|
Abstract 本研究は、高等学校に新たに平成15年度から必履修教科として設置される普通教科「情報」の指導において重要な意味を持つ情報倫理教育のあり方を探る基礎的な研究として,第1報で論じた中学生・高校生・大学生への情報倫理意識の実態調査から情報倫理教育内容の学年別比較を通して、学習者の意識と情報に関する知識を質的に分析しその特性について考察した。第1報で得られた生徒の意識の因子構造と情報倫理意識についてさらに詳細な分析を加え、学習者の情報に関する知識や情報技術と情報倫理意識との関わりについて論じ、その問題構造を明らかにした。そして、高校生の実態調査をふまえた高等学校の普通教科「情報」における情報倫理教育の方向性について考察した。
Keywords 普通教科「情報」 (Information) 情報倫理教育 (Information Ethics Education) 中学生 (Junior High School Student) 高校生 (Senior High School Student) 大学生 (University Student) 教科書 (The schooltextbook)
Publication Title 岡山大学教育実践総合センター紀要
Published Date 2003
Volume volume3
Issue issue1
Start Page 109
End Page 117
ISSN 1346-3705
language Japanese
File Version publisher
NAID 120002313366