著者

佐藤 嘉倫 松田 光司

出版者

数理社会学会

雑誌

理論と方法 (ISSN:09131442)

巻号頁・発行日

vol.18, no.1, pp.13-14, 2003-03-31 (Released:2009-01-20)

著者

林 一彦 渡邉 佳恵 大村 雅 木場 秀夫

出版者

日本身体障害者補助犬学会

雑誌

日本補助犬科学研究 (ISSN:18818978)

巻号頁・発行日

vol.4, no.1, pp.40-43, 2010 (Released:2011-03-01)

参考文献数

4

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一般に、歯が折れたり欠けたりすることは破折と呼ばれている。犬においては、歯の破折は比較的しばしば認められる歯牙の実質欠損である。今回、著者らは2例の介助犬の歯の破折を治療する機会を得たので、その病態と治療方法について供覧する。また、その発生機序についても若干の考察を加えた。症例は2例とも上顎第4前臼歯が斜めに破折(斜折)しており、歯髄は露出していた。治療としては生活歯髄切断術と歯髄覆罩を行なったのちに光重合型コンポジットレジンで充填した。上顎第4前臼歯の斜折は硬いものをかんだ時に生ずる典型的な破折であるため、ストレス解消のために与えた硬いチュウトイが原因と推察された。したがって、今後は硬いチュウトイの代替となるストレス解消法を模索する必要があるのではないかと思われた。

著者

郡司 明彦 田村 幸彦 平尾 功治 町田 光 秋田 季子 小林 奈緒美 藤井 彰

出版者

日本歯科薬物療法学会

雑誌

歯科薬物療法 (ISSN:02881012)

巻号頁・発行日

vol.29, no.1, pp.1-8, 2010-04-01 (Released:2010-08-20)

参考文献数

39

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Many epidemiological studies have shown that the prevention of dental caries by fluoride is a basic and indispensable method to maintain and improve dental health. However, the countermeasures for maintenance of dental health and implementation of preventive programs for caries are still not satisfactory in Japan. In developed countries, it is thought that the prevalence of water fluoridation and use of fluoride-containing dentifrices are the primary factors responsible for the remarkable decrease in the prevalence of dental caries in children. Topical application of fluorides, especially fluoride mouth rinsing, has an extremely important role in Japan as compared with various other countries, because systemic application of fluorides, such as water fluoridation and use of fluoride tablets are not yet available in Japan. However, fluoride mouth rinsing has not become prevalent on a nationwide scale. Therefore, it is hoped that fluoride mouth rinsing will be enforced in more kindergartens, elementary schools, and junior high schools to contribute to the improvement of dental health in the future.

著者

関口 智寛

出版者

一般社団法人 日本地質学会

雑誌

地質学雑誌 (ISSN:00167630)

巻号頁・発行日

vol.117, no.3, pp.141-147, 2011 (Released:2011-07-07)

参考文献数

22

被引用文献数

3 1 1

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ウェーブリップルは,与えられた振動流条件と堆積物特性の下で,安定的に持続する特定の形状,サイズ,波峰線オリエンテーションを有する.振動流条件が変わるとウェーブリップルはその条件下での定常状態の獲得をめざして遷移する.新たな振動流方向が初期リップルの波峰線と直交する場合,遷移過程は(1)初期リップルと定常リップルの波長の大小関係,(2)振動流の非対称性,(3)堆積物粒径に依存する.とくに,初期リップルの波長が定常リップルのそれよりも大きいと,初期リップルの形状の一部をとどめる遷移リップルが一時的に現れる.地層に見られる遷移リップルは,地層形成時の振動流条件を推測する重要な手がかりとなりうる.

著者

Takashi Ebisawa

出版者

The Japanese Pharmacological Society

雑誌

Journal of Pharmacological Sciences (ISSN:13478613)

巻号頁・発行日

vol.103, no.2, pp.150-154, 2007 (Released:2007-02-20)

参考文献数

31

被引用文献数

59 77

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Genetic analyses of circadian rhythm sleep disorders (CRSD), such as familial advanced sleep phase syndrome (ASPS) and delayed sleep phase syndrome (DSPS), and morningness-eveningness revealed the relationship between variations in clock genes and diurnal change in human behaviors. Variations such as T3111C in the Clock gene are reportedly associated with morningness-eveningness. Two of the pedigrees of familial ASPS (FASPS) are caused by mutations in clock genes: the S662G mutation in the Per2 gene or the T44A mutation in the casein kinase 1 delta (CK1δ) gene, although these mutations are not found in other pedigrees of FASPS. As for DSPS, a missense variation in the Per3 gene is identified as a risk factor, while the one in the CK1ε gene is thought to be protective. These findings suggest that further, as yet unidentified, gene variations are involved in human circadian activity. Many of the CRSD-relevant variations reported to date seem to affect the phosphorylation status of the clock proteins. A recent study using mathematical models of circadian rhythm generation has provided a new insight into the role of phosphorylation in the molecular mechanisms of these disorders.

著者

畠瀬 頼子 小栗 ひとみ 松江 正彦

出版者

公益社団法人 日本造園学会

雑誌

ランドスケープ研究 (ISSN:13408984)

巻号頁・発行日

vol.71, no.5, pp.553-556, 2008-03-31 (Released:2009-05-08)

参考文献数

18

被引用文献数

7 6

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In Japan, Coreopsis lanceolata has been invading riverbed vegetation and is designated as an invasive alien species. A study regarding its occurrence and the vegetation transition in the riverbed of Kiso River was conducted. Comparing the vegetation maps of 1979, 1996 and 2006 revealed that over time, the area of the wet grassland had decreased. However, the forest area and bamboo/dwarf bamboo community had increased. Contrastingly, the area of the dry grassland tends to change little and is sustained. C. lanceolata occurred in 70% of the area of the dry grassland and 50% of the area of shrubs in 2006. C. lanceolata occurred frequently in the Artemisia capillaris-Anaphalis margaritacea subsp. yedoensis community and Zoysia japonica-Potentilla chinensis community in 2006. This study reports regarding some types of the dry grassland including the communities with the specific native plants that was sustained for a long time and is invaded easily by C. lanceolata.

著者

国司 洋介

出版者

国立研究開発法人 科学技術振興機構

雑誌

情報管理 (ISSN:00217298)

巻号頁・発行日

vol.53, no.11, pp.591-599, 2011 (Released:2011-02-01)

参考文献数

1

被引用文献数

1 1

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テキストマイニングを応用した特許の可視化ツールを利用すると,大量の特許の概要を容易に把握することができる。これは研究開発テーマの探索など研究開発の開始以前の段階で,特許情報を利用する際の大きなメリットである。本稿はテーマ探索や既存のプレイヤーの解析など,研究企画段階での特許解析の観点で,可視化ツールやマクロ解析といった特許解析の支援ツールの使い方について考える。

著者

M. Pirai H. R. Hassani

出版者

The Institute of Electronics, Information and Communication Engineers

雑誌

IEICE Electronics Express (ISSN:13492543)

巻号頁・発行日

vol.6, no.21, pp.1528-1534, 2009 (Released:2009-11-10)

参考文献数

8

被引用文献数

2 12

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In this paper a reduced size microstrip log periodic dipole antenna with top loading of elements is presented. In many situations, the lateral size of the LPDA antenna has to be reduced to fit the antenna into the installation space. In this work, top loaded element structure is adopted to reduce the size of the dipole elements. Each straight dipole element of the LPDA antenna is turned into a T-shaped element whose total length is equal to that of the original straight dipole element length, resulting in a dipole length that is half that of the original dipole element, i.e. lateral size of the LPDA has been reduced by more than half. This procedure can be repeated to reduce the dipole element length even further, by placing a double T-shaped element on top of each other, resulting in an overall length that is almost 46% of the original dipole element length. Comparison of the reduced sized LPDA with that of the original LPDA shows that the VSWR (≤ 2.0) results of the reduced size LPDA are lower than those of the straight elements over the 2.3-8GHz frequency band. For the three LPDA structures results of peak gain shows that on average over the frequency band, 2-8GHz, gain varies between 5-6dBi. Simulation and measured results on VSWR, radiation pattern and gain at the various frequencies are provided.

著者

中西 敏博 武内 有城 伊奈 研次 長尾 清治

出版者

日本緩和医療学会

雑誌

Palliative Care Research (ISSN:18805302)

巻号頁・発行日

vol.6, no.1, pp.324-329, 2011 (Released:2011-06-02)

参考文献数

6

被引用文献数

7 3

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Mohsペーストは塩化亜鉛を主成分とする組織固定剤で, 皮膚腫瘍のchemosurgeryに応用されている. 近年, 緩和医療分野でも, 切除不能な皮膚浸潤・転移巣の悪臭などの症状コントロールにおいて有益性が高いとされている. わが国で広く使用されているMohsペーストは, 重山らが提唱した塩化亜鉛と亜鉛華デンプンの混合物にグリセリンを添加して調製するが, 粘度が高く粘着性もあるため, 塗りにくいという問題がある. われわれは, Mohsペーストを短冊ガーゼにからませて患部に貼付する方法と, ガーゼに塗って患部に貼付する方法の2つのMohsガーゼ法を考案し, 出血や悪臭, 浸出液のコントロールに難渋した胃がんの皮膚転移巣の症例に有用であった. この方法は, 従来のMohsペースト塗布方法と固定効果に差を認めず, Mohsペーストの塗りにくさの問題を解決することができ, 処置時の苦痛を軽減することが可能であった. Palliat Care Res 2011; 6(1): 324-329

著者

井上 勲

出版者

日本宇宙生物科学会

雑誌

Biological Sciences in Space (ISSN:09149201)

巻号頁・発行日

vol.19, no.4, pp.276-283, 2005 (Released:2006-09-06)

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Eukaryotic autotrophs, generally assembled as plants, are polyphyletic and they appear across at least five super groups of eukaryotes, which indicate that photosynthesis has been horizontally transferred between different lineages of eukaryotes. This situation is explained by secondary endosymbioses that should have occurred between heterotrophic eukaryotes and primary plants (red and green algae). Evolutionary process generating new algal lineage can be considered by comparison of dinoflagellates and Hatena, a flagellate we recently found, all of which are likely under intermediate stages of secondary endosymbioses. Evolution of protein transport machinery to send nuclear encoded proteins back into the plastids was also considered referring recent reports of molecular biology.

著者

五箇 公一 岡部 貴美子 丹羽 里美 米田 昌浩

出版者

日本応用動物昆虫学会

雑誌

日本応用動物昆虫学会誌 (ISSN:00214914)

巻号頁・発行日

vol.44, no.1, pp.47-50, 2000 (Released:2002-10-31)

参考文献数

15

被引用文献数

36 36

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The endoparasitic mite Locustacarus buchneri Stammer 1951 (Podapolipidae) was found in commercially introduced colonies of the European bumblebee, Bombus terrestris. The average infestation rate of colonies (n=367) from the Netherlands and Belgium was 20%. Urgent investigation of the infectivity and pathogenicity of this mite to Japanese native bumblebees and the geographic distribution of this mite in Japan is required.

著者

米田 昌浩 土田 浩治 五箇 公一

出版者

日本応用動物昆虫学会

雑誌

日本応用動物昆虫学会誌 (ISSN:00214914)

巻号頁・発行日

vol.52, no.2, pp.47-62, 2008-05-25 (Released:2008-06-05)

参考文献数

91

被引用文献数

9 7

著者

小出 哲哉 山田 佳廣 矢部 和則 山下 文秋

出版者

日本応用動物昆虫学会

雑誌

日本応用動物昆虫学会誌 (ISSN:00214914)

巻号頁・発行日

vol.52, no.1, pp.19-26, 2008-02-25 (Released:2008-03-10)

参考文献数

14

被引用文献数

3 3

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We assessed several methods for deploying nets over windows and entrances so as to prevent the escape of the adult European bumblebee, Bombus terrestris, from greenhouses. Bumblebees were completely prevented from escaping from glass-based greenhouses by both netting windows and filling gaps around windows with sponge, tape and/or building tamping materials. For windows in greenhouses constructed from plastic-covered steel pipe frames, bumblebees did not escape when nets were set under the plastic film and over steel frames and fixed to the outside of the steel frames, but they did escape when nets were set under the steel frames and fixed to their inside. When an entrance was netted, double netting was imperfect even with a room in front of the entrance; however, a net with a zipper completely prevented bumblebee escape. Bumblebees escaped through ventilation fans irrespective of whether they were operating, and thus netting was required, but they did not escape through fresh-air inlets. Our results indicate that it is possible to completely prevent the escape of bumblebees by netting windows and entrances, but close attention is required.

著者

中村 春夫

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.75, no.3, pp.333-336, 2009-03-05 (Released:2010-11-30)

参考文献数

18

著者

Yoshihiko Kito

出版者

Japan Society of Smooth Muscle Research

雑誌

Journal of Smooth Muscle Research (ISSN:09168737)

巻号頁・発行日

vol.47, no.2, pp.47-53, 2011 (Released:2011-07-15)

参考文献数

33

被引用文献数

8 20

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Intramuscular interstitial cells of Cajal (ICC-IM) are found within the smooth muscle layers of the stomach. ICC-IM are mainly spindle shaped cells with bipolar processes orientated along the long axis of surrounding smooth muscle cells. ICC-IM make close contacts with nerve varicosities and form gap junctions with neighbouring smooth muscle cells, indicating that ICC-IM mediate enteric motor neurotransmission. These morphological properties of ICC-IM are similar throughout the stomach. However, the electrical properties of these cells differ from region to region. In the fundus, ICC-IM generate spontaneous transient depolarizations (STDs), resulting in an ongoing discharge of unitary potentials in the smooth muscle cells. ICC-IM in the corpus generate slow waves and as they fire at the highest frequency they serve as the dominant pacemaker cells in the stomach. On the other hand, ICC-IM in the antrum generate the secondary component of slow waves triggered by the initial component that propagates passively from myenteric ICC (ICC-MY). Thus, the different electrical properties of ICC-IM play a critical role in creating the distinct functions of the proximal and distal regions of the stomach such that the fundus acts as a reservoir of food, the corpus as a dominant pacemaker region, while the antrum acts as a region for mixing and propulsion of food.

著者

Masahito Sato Satoru Fujita Atushi Saito Yoshio Ikeda Hitoshi Kitazawa Minoru Takahashi Junji Ishiguro Masaaki Okabe Yuichi Nakamura Tsuneo Nagai Hiroshi Watanabe Makoto Kodama Yoshifusa Aizawa

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

vol.70, no.8, pp.947-953, 2006 (Released:2006-07-25)

参考文献数

24

被引用文献数

70 91

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Background On October 23, 2004, a major earthquake, which registered 6.8 on the Richter scale, occurred in Niigata Prefecture in Japan. Emotional stress is important as a trigger of transient left ventricular apical ballooning (so-called `Takotsubo' cardiomyopathy), but its incidence and clinical profile immediately after a natural disaster have not been fully elucidated. Methods and Results `Takotsubo' cardiomyopathy was diagnosed in 16 patients (1 man, 15 women, mean age 71.5 years) within 1 month after the earthquake. Of them, 13 (81%) lived in areas where the Japan Meteorological Agency seismic intensity scale registered 6 or above, and 11 (69%) developed symptoms on the day of the earthquake. The incidence of `Takotsubo' cardiomyopathy 1 month after the earthquake was approximately 24-fold higher near the epicenter than that before the earthquake. Conclusion `Takotsubo' cardiomyopathy can occur on the day of the earthquake in elderly women living near the epicenter. (Circ J 2006; 70: 947 - 953)

著者

川村 いづみ 廣瀬 友二 平野 繁 名越 時秀 玉井 富士雄 元田 義春 福山 正隆

出版者

日本作物学会

雑誌

日本作物学会講演会要旨集 第221回日本作物学会講演会

巻号頁・発行日

pp.122, 2006 (Released:2006-03-28)

著者

堀越 壮一 飯島 明宏 冨岡 淳 関 順司 加藤 政彦 小澤 邦壽

出版者

公益社団法人 日本水環境学会

雑誌

水環境学会誌 (ISSN:09168958)

巻号頁・発行日

vol.30, no.5, pp.283-286, 2007 (Released:2010-01-09)

参考文献数

28

被引用文献数

2 2

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Recently, nitrate-nitrogen (NO3-N) pollution in groundwater was identified as a serious problem in Gunma prefecture. The rate of satisfying the environmental quality standard(EQS) for NO3-N concentration in Gunma prefecture was lowest in Japan from 2000 to 2004. However, a significant decrease in NO3-N concentration was observed in 2005. Therefore, the factors contributing to the decrease were statistically examined. The results suggest that the area of dry field, livestock head count, and agricultural population significantly contributed to the decrease in NO3-N concentration. The enforcement of the Law on Promoting Proper Management and Use of Livestock Excreta might reduce NO3-N discharge into groundwater.

著者

松浦 友紀子 伊吾田 宏正

出版者

日本哺乳類学会

雑誌

哺乳類科学 (ISSN:0385437X)

巻号頁・発行日

vol.51, no.1, pp.152-153, 2011 (Released:2011-07-27)

被引用文献数

1

著者

濱崎 伸一郎 小泉 透 山内 貴義

出版者

日本哺乳類学会

雑誌

哺乳類科学 (ISSN:0385437X)

巻号頁・発行日

vol.51, no.1, pp.181-185, 2011 (Released:2011-07-27)

被引用文献数

2