著者

五味 弘

出版者

一般社団法人 電子情報通信学会

雑誌

電子情報通信学会 通信ソサイエティマガジン (ISSN:21860661)

巻号頁・発行日

vol.11, no.2, pp.148-155, 2017-09-01 (Released:2017-09-01)

参考文献数

8

著者

田村 昌彦 三輪 和久

出版者

公益社団法人 日本心理学会

雑誌

心理学研究 (ISSN:00215236)

巻号頁・発行日

vol.84, no.2, pp.103-111, 2013-06-25 (Released:2013-09-01)

参考文献数

22

被引用文献数

1 2

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To solve an insight problem, a problem solver needs to relax mental constraints that prevent solving the problem, and to shift a search in an incorrect problem space into a search in a correct problem space. In this paper, we investigate how a tracking stimulus that guides problem solvers’ eye movements affects the formation and relaxation of constraints in insight problem solving. We conducted two experiments using an insight task and an eye-tracking task in which participants’ eye movements were expected to inhibit the fixation constraints in the insight task. Participants engaged in the tracking task before the constraints were formed in Experiment 1 and after the constraints were formed in Experiment 2. In Experiment 1, participants who performed the tracking task were inhibited in forming the constraints more than those in the control condition. In both Experiments 1 and 2, the tracking task affects the participants’ hypothesis formation in the insight problem solving processes. In particular, participants who were presented the tracking stimulus found a target rule faster after beginning to relax the constraints than those in the control condition.

著者

五十嵐 正広

出版者

一般社団法人 日本消化器内視鏡学会

雑誌

日本消化器内視鏡学会雑誌 (ISSN:03871207)

巻号頁・発行日

vol.54, no.5, pp.1690-1690, 2012 (Released:2012-07-03)

参考文献数

1

著者

前野 清太朗 西澤 尚平 小林 秀成

出版者

社団法人 日本写真学会

雑誌

日本写真学会誌 (ISSN:03695662)

巻号頁・発行日

vol.68, no.2, pp.133-142, 2005-04-25 (Released:2011-08-11)

参考文献数

1

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石川県下の高校で最大量であった化学実験廃液を再処理し, 処理料金を節約することを考えて1999年から研究を開始, 2000年には銀廃液から金属銀を回収し硝酸銀を再生することに成功した. この方法を石川県下の化学研究発表会で発表し, 他校における実践を勧誘した. 2002年に金沢二水高校化学部から譲渡された, 主として塩化銀からなる銀固形廃棄物, 約2.6kgを濃アンモニア水に溶解し, 銅片を投入することで金属銀を回収した. 回収銀は, 銀固形廃棄物1.7kgに対して273gであった. この銀をさらに濃硝酸に溶解し, 30gの銀から硝酸銀33gを得て, 再生に要する試薬の価格よりも生成した硝酸銀の価格が上回ることを証明し, 資源回収が経済的に成り立つことを示した.この硝酸銀を使用して, コロジオン湿版写真法の再現を試みた. 金沢大学名誉教授の板垣英治氏から紹介された「写真鏡図説 (慶応3年, 柳河春三著)」を現代語訳し, コロジオン湿版の作成と現像を行った. 撮影に使用したカメラもこの図説を元にして設計・製作したもので,“世界に一つしかない” カメラとなった. この自作カメラと感材を使用して30回以上試写し, 写真を得ることができた.この一連の研究により, 写真術のような一見複雑そうなものも, 原理を学び理解すれば, 身近なものを用いて自作できることが体験でき, 研究の成果をしっかりとまとめておけば, 時代を超えて, その研究を蘇らせることができることを学ぶことができた.

著者

西岡 伸 鳥居 拓馬 楠本 拓矢 松本 渉 和泉 潔

出版者

一般社団法人 人工知能学会

雑誌

人工知能学会論文誌 (ISSN:13460714)

巻号頁・発行日

vol.32, no.5, pp.AG16-C_1-10, 2017-09-01 (Released:2017-09-01)

参考文献数

20

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In recent financial market, high frequency traders (HFTs) and dark pools have been increasing their share. Financial analysts have speculated that they might decrease market transparency and malfunction price discovery, and their interaction would make the situation worse.To validate speculations, artificial market simulation is a tool of study by constructing virtual markets on computers. In this research, by constructing an artificial market simulation, we analyzed how the interaction between HFTs and a dark pool impacts on the market efficiency (in the sense of price discovery) of a (lit) stock market. In simulations, two types of trader agents enter the market. A market maker agent, a representative strategy of HFTs, submit orders to the lit market. We analyzed the market maker's interest rate spread, or simply the spread, as a key parameter for their strategy. Stylized trader agents submit orders to either the lit market or the dark pool with some probability given as a parameter.The simulation results suggest that on the condition that market makers have little impact to market pricing (having a large spread), moderate use of dark pools can promote market pricing. On the other hand, on the condition that market makers have big impact to market pricing, excessive use of dark pools can inhibit market pricing, while using dark pools do not have bad influence when the rate of use is not high. On the influence of market makers, our results suggest that the bigger the impact to market pricing (a small spread), the more it can promote market pricing.

著者

Akio Kodama Akio Koyama Masayuki Sugimoto Kiyoaki Niimi Hiroshi Banno Kimihiro Komori

出版者

日本循環器学会

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-17-0369, (Released:2017-08-23)

参考文献数

32

被引用文献数

36

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Background:Most patients with critical limb ischemia (CLI) exhibit severe comorbidities accompanied by frailty. This study assessed and risk-stratified mortality after infrainguinal bypass (IB) in CLI and investigated the effects of frailty.Methods and Results:The study retrospectively reviewed 107 consecutive CLI patients who had undergone de novo IB due to atherosclerotic disease. Data regarding patient age, comorbidities, laboratory data, and functional status were collected; functional status was evaluated using the Barthel index (BI) and nutritional status was evaluated using albumin concentrations and body mass index (BMI). Mean (±SD) BI and BMI were 75±16 and 22±4 kg/m2, respectively. BI (hazard ratio [HR] 0.96; 95% confidence interval [CI] 0.94–0.99, P=0.004), BMI (HR 0.85; 95% CI 0.75–0.95, P=0.003), atrial fibrillation (AF; HR 5.31; 95% CI 2.12–13.30, P<0.001), and ejection fraction (EF; HR 0.94; 95% CI 0.91–0.98, P=0.003) were independent predictors of mortality. Patients were divided into 2 groups based on BI (BI >75, n=71; and BI <70, n=36). Survival after IB was significantly lower for the lower BI group (P<0.001, log-rank test). After propensity score matching, post-IB survival remained significantly lower in the lower BI group (P=0.02).Conclusions:BI, BMI, AF, and EF were independently associated with all-cause mortality after IB for CLI. BI and BMI may be useful in identifying and optimizing treatment for high-risk frail patients.

著者

Yasutsugu MIWA Asuka KUROSAWA Hiroyuki OGAWA Hiroyuki NAKAYAMA Hiroshi SASAI Nobuo SASAKI

出版者

JAPANESE SOCIETY OF VETERINARY SCIENCE

雑誌

Journal of Veterinary Medical Science (ISSN:09167250)

巻号頁・発行日

vol.71, no.4, pp.397-402, 2009 (Released:2009-05-02)

参考文献数

20

被引用文献数

24 36

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The objective of this study was to collect epidemiological data on neoplasms in pet ferrets in Japan. A questionnaire to collect information was made available to Japanese veterinary practitioners through the web site of the Japanese Society of Exotic Pet Medicine. Completed questionnaires were returned from 29 practices, and 945 neoplasms met the criteria for inclusion in the study. Neoplasms were found in every organ system except the respiratory system; the endocrine (418; 44.2%), integumentary (196; 20.7%) and hemolymphatic (184; 19.5%) systems were most commonly affected. The most common tumor types were pancreatic islet cell tumor (211: 22.3%), adrenal gland tumor (207; 21.9%) and lymphoma (152; 16.1%). The age of the affected ferrets ranged from less than 3 months to more than 7 years of age. Tumor incidence was highest in ferrets between 4 and 6 years of age. No sex predilection was found. These results were similar to those recently published in North America. Most Japanese pet ferrets are imported from North America, and their husbandry including diets is similar to that in North America, which may explain the similar tendencies in the incidence of neoplasms in this study and those of findings in North America.

著者

厨川 常元

出版者

公益社団法人 精密工学会

雑誌

精密工学会誌 (ISSN:09120289)

巻号頁・発行日

vol.77, no.10, pp.927-932, 2011-10-05 (Released:2012-04-05)

参考文献数

9

著者

Isao MATSUMOTO Kazuyuki UCHIDA James Kenn CHAMBERS Kazumi NIBE Yu SATO Taku HAMASU Hiroyuki NAKAYAMA

出版者

公益社団法人 日本獣医学会

雑誌

Journal of Veterinary Medical Science (ISSN:09167250)

巻号頁・発行日

pp.17-0317, (Released:2017-08-11)

被引用文献数

3

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A 7-year-old castrated male ferret developed unilateral cervical lymphadenomegaly over a 1-month period. Histological examination revealed proliferation of tumor cells in a diffuse and partially nodular pattern. The tumor cells were predominantly Hodgkin cells and binucleated Reed-Sternberg cells, characterized by abundant, clear, vacuolated cytoplasm, pleomorphic, ovoid nuclei with thick nuclear membranes and distinct nucleoli. Multinucleated cells, resembling lymphocytic and histiocytic (L&H) cells, were also observed. Immunohistochemically, the tumor cells expressed Pax-5, BLA-36 and vimentin. A small population of the tumor cells expressed CD20. This case showed proliferation of Hodgkin/Reed-Sternberg cells in conjunction with L&H cells that were histologically analogous to feline Hodgkin’s-like lymphoma. However, Pax-5 and BLA-36 expression along with rare CD20 expression were consistent with classical Hodgkin’s lymphoma in humans.

著者

中坪 俊之 廣瀬 一美

出版者

Japanese Society for Aquaculture Science

雑誌

水産増殖 (ISSN:03714217)

巻号頁・発行日

vol.55, no.3, pp.403-407, 2007-09-20 (Released:2010-03-09)

参考文献数

9

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飼育下において, マンボウ8個体の全長を計測し, 追跡法により成長を調べた。140~1556日の飼育期間では供試魚はすべて直線的な成長を示した。同様の成長傾向を示した7個体の供試魚の成長データを基に, 推定年齢を算定し, 集団的にvon Bertalanffyの成長曲線の当てはめを行った結果, 次式が得られた。TLt=318.4× {1-exp [-0.149× (t-0.031) ] }マンボウが全長3mに達するためには約20年を要し, 今回用いた供試魚は, すべて成長期であることが推測された。

出版者

日本環境心理学会

雑誌

環境心理学研究 (ISSN:21891427)

巻号頁・発行日

vol.5, no.1, pp.1-22, 2017 (Released:2017-05-08)

著者

Yumi YUASA Yi-Lun TSAI Chao-Chin CHANG Tien-Huan HSU Chi-Chung CHOU

出版者

公益社団法人 日本獣医学会

雑誌

Journal of Veterinary Medical Science (ISSN:09167250)

巻号頁・発行日

pp.17-0224, (Released:2017-08-06)

被引用文献数

19

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Canine anaplasmosis is regarded as an infection by Anaplasma platys rather than zoonotic Anaplasma phagocytophilum in subtropical areas based on the assumption that the common dog tick species is Rhipicephalus sanguineus, which transmits E. canis and presumably A. platys. We investigated asymptomatic dogs and dog ticks from 16 communities in Nantou County, Taiwan to identify common dog tick species and to determine the prevalence of Anaplasma and Ehrlichia spp. Of total 175 canine blood samples and 315 ticks, including 306 R. sanguineus and 9 Haemaphysalis hystricis, 15 dogs and 3 R. sanguineus ticks were positive for E. canis, while 47 dogs and 71 R. sanguineus ticks were positive for A. platys, via nested PCR for 16S rDNA and DNA sequencing of selected positive amplicons. However, among the dogs and ticks that were positive to A. platys 16S rDNA, only 20 dogs and 11 ticks were positive to nested PCR for A. platys groEL gene. These results revealed the importance of searching for novel Anaplasma spp. closely related to A. platys in dogs and ticks. Seropositivity to a commercial immunochromatographic test SNAP 4Dx Anaplasma sp. was not significantly associated with PCR positivity for A. platys but with infestation by ticks carrying A. platys (P<0.05). Accordingly, R. sanguineus may be involved in transmission of A. platys but may not act as a reservoir of E. canis and PCR results for 16S rDNA could be a problematic diagnostic index for A. platys infection.

著者

馬場 裕子 木竜 徹 山崎 健

出版者

公益社団法人 日本生体医工学会

雑誌

生体医工学 (ISSN:1347443X)

巻号頁・発行日

vol.45, no.1, pp.48-54, 2007 (Released:2008-06-05)

参考文献数

20

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AIM: We investigated the differences in the occurrence of muscle fatigue depending on the contraction type and relationship between muscle fatigue and strength improvement with surface EMG (SEMG). In practice, for short-term resistance training, we studied a personally customized process for individuals. PROTOCOL: Sixteen healthy male subjects (21-23 yr-old) participated in this research. Squat exercise was preformed two times per week for six consecutive weeks. A one-day session consisted of three sets of 12 strokes. We measured the knee joint angle (KJA) with a flexibility goniometer and the muscle activity of the vastus lateralis with SEMG in each stroke of the squat exercise. Each stroke was divided into concentric and eccentric contractions referring to the KJA. SEMGs were evaluated using the average rectified value (ARV) and mean power frequency (MPF). RESULTS: For the eccentric contraction, muscular strength increased regardless of muscle fatigue. However, increasing muscular strength (r=0.49, p<0.10) correlated with the ratio of muscle fatigue occurrence for the concentric contraction. Focusing on the concentric contraction, we devised a personally customized process with the time-varying behavior of muscle fatigue. As a result, muscular strength improvement could be effectively evaluated using SEMGs.

著者

宮原 誠 吉田 育弘

出版者

一般社団法人 映像情報メディア学会

雑誌

テレビジョン学会誌 (ISSN:03866831)

巻号頁・発行日

vol.43, no.10, pp.1129-1136, 1989-10-20 (Released:2011-08-17)

参考文献数

12

被引用文献数

4 7

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カラー画像処理や符号化の研究は, (1) 信号を人間の色知覚の3属性 (Hue, Value, Chroma) にもとづく均等知覚空間上で, (2) 処理誤差を実際に知覚される色差と関係づけて扱うことが有効である.この目的で用いる均等色空間として, 色差が定義されている (H, V, C) マンセル色空間を用いることとした.しかし, CIE (1976) L*a*b*色空間にもとづく (R, G, B) ↔ (H, V, C) データ相互変換は精度が低く, また変換表を用いる方法も, 表を内挿する必要があるなど, 実用上の支障が多い.そこで本論文では, MTMと名付けた数学的 (R, G, B) → (H, V, C) データ変換方法を提案する.MTMは, ある仮定した変換関数の未定係数を, カラーテレビの色再現範囲から均等にサンプルした250の代表色にもとつく重回帰分析によって決定したものである.また, ニュートン法を応用した逆変換の方法を示した.最後に, MTMとこの逆変換法を組み合せれば, 充分精度良く, かつ, 簡単に (R, G, B) ↔ (H, V, C) データ相互変換が行えることを確認した.

著者

薫田 匡史 栗田 光樹夫 大森 博司

出版者

日本建築学会

雑誌

日本建築学会構造系論文集 (ISSN:13404202)

巻号頁・発行日

vol.77, no.676, pp.899-904, 2012-06-30 (Released:2012-07-27)

参考文献数

9

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Recently, the construction of the large astronomical telescope has been planned for better astronomical observation. In this project, it is necessary to design the structure of the telescope economically as well as easy to construct. Additionally homogeneous deformation of the supporting structure of the telescope is desirable to realize the stable supporting system of the main system of the telescope. However it is not so easy to design such structure, because the various tilt angle caused by the rotation of telescope for astronomical observation result in the large amount of the change in the external load. In this paper, the scheme of multi-objective optimal design for truss structures supporting large telescope are proposed and demonstrated in an actually constructed 3.8 m telescope. Using SPEA2 as multi-objective optimal method, where standard deviation of nodal displacements is adopted to evaluate homologous deformation, simultaneously satisfies the requirement of both weight minimization and homologous deformation.

著者

藤尾 雄策 川合 良岳

出版者

粉体工学会

雑誌

粉体工学会誌 (ISSN:03866157)

巻号頁・発行日

vol.26, no.1, pp.27-32, 1989-01-10 (Released:2010-04-30)

参考文献数

14

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The angles of repose of nonglutinous and glutinous rice as typical biological particles were measured by the revolving cylinder test under variable ambiences ranging from air to water.The results were as follows:1) Almost the same angle of repose of glass beads resulted under the ambience in air and in water. When comparing the angle of repose of rice under ambience in water with that in air, angles of repose of 8 and 10 degrees were given for nonglutinous rice and for glutinous rice, respectively. for glutinous rice, respectively.2) As the amount of water was increased, defined as the total kg of water per 100kg of dried rice particles, the angle of repose of rice suddenly increased at 30 to kg of water. When the amount of water was 50 to 150×10-3kg, the angle of repose could not be determined because of strong cohesive force among the particles.3) Both the increase in the bulk volume and the decrease of the apparent density of rice caused by an increase of granule size since the adsorption of water had little on the measures of the angle of repose.4) A strong minus correlation existed between the apparent density and the angle of repose in water up until water was noticed on the surface of the rice granules.

著者

三村 茂

出版者

日本物理教育学会

雑誌

物理教育学会年会物理教育研究大会予稿集 30(2013) (ISSN:24330655)

巻号頁・発行日

pp.48-49, 2013-08-10 (Released:2017-07-20)

著者

本間 友巳

出版者

一般社団法人 日本教育心理学会

雑誌

教育心理学研究 (ISSN:00215015)

巻号頁・発行日

vol.51, no.4, pp.390-400, 2003-12-30 (Released:2013-02-19)

参考文献数

27

被引用文献数

2 4

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本研究の目的は, いじめ加害者の特徴やいじめ加害の停止と関連する要因を明らかにすることを通して, いじめ加害者への対応について検討することである。調査対象は1,245名の中学生である。主要な結果は,(1) いじめ加害者によるいじめの停止に正の関連を持つ要因は, いじめやいじめ被害者に対する道徳・共感的な認知や感情であった。いじめ加害者のいじめ停止理由の自由記述でも, この結果は支持された。(2) いじめ加害者によるいじめ停止理由の記述を通して, いじめ停止に教師の指導が大きな影響を与えていることも明らかとなった。(3)「加害・継続群」は, 他の群に比べて,いじめ加害に関して大きな問題性を有していた。(4) いじめ加害者への対応として, 感情面まで踏み込んで道徳・共感性を高める取り組みを行うことが重要と考えられた。特に「加害・継続群」の生徒への対応は, 加害者個人のみならず, 加害グループや学級集団にも向けられる必要性が議論された。

著者

松原 康介

出版者

公益社団法人 日本都市計画学会

雑誌

都市計画論文集 第38回学術研究論文発表会 (ISSN:1348284X)

巻号頁・発行日

pp.155, 2003 (Released:2003-12-11)

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本稿では、モスクの建設と利用を通した、新市街の現代モロッコ都市への再編過程の一端を明らかにし、モスクを核とした複合文化空間の意義の検討を目的とする。新市街は西欧型生活様式に即した空間であったが、今日の課題は既存ストックとしての新市街の、現代モロッコ本来都市への再編である。宗教生活の根幹としてのモスクは、小モスクの胎動期を経て少数で大規模な近代建築として普及したが、その存続のためにハブース店舗を埋設した点で、計画された複合施設としての発展形態をとっている。空間的特質としては、ブロック上で中庭をもたないが、複数の入口を通して外部へと開放されている。また、ハブース店舗が周辺の一般商店街と連坦し、かつ道路が露店スークとして利用され、商業を通した広場・道路との連携が見られる。バロック型の既存ストックを積極的に活用して、フランス文化とモロッコ文化の複合文化都市を目指すことが考えられる。

著者

永井 裕子

出版者

公益財団法人 日本学術協力財団

雑誌

学術の動向 (ISSN:13423363)

巻号頁・発行日

vol.19, no.11, pp.11_54-11_60, 2014-11-01 (Released:2015-03-06)