著者
水落 正明
出版者
東北大学大学院経済学研究科
雑誌
DSSR Discussion Papers
巻号頁・発行日
no.55, pp.1-14, 2016-03-03
著者
河上 繁樹 Shigeki Kawakami
雑誌
人文論究 = Jimbun ronkyu : humanities review (ISSN:02866773)
巻号頁・発行日
vol.69, no.3/4, pp.1-24, 2020-02-20
著者
大原 良通
出版者
関西大学史学・地理学会
雑誌
史泉 (ISSN:03869407)
巻号頁・発行日
vol.77, pp.41-54, 1993-03-31
著者
Ikenaka Yoshinori Miyabara Yuichi Ichise Takahiro Nakayama Shouta Nimako Collins Ishizuka Mayumi Tohyama Chiharu
出版者
John Wiley & Sons
雑誌
Environmental toxicology and chemistry (ISSN:07307268)
巻号頁・発行日
vol.38, no.1, pp.71-79, 2019-01
被引用文献数
57

Neonicotinoid insecticides that have been on the market since 1992 have been used globally including in Japan. Because they are sprayed over forests and agricultural areas, inadvertent toxicity in nontarget insects (especially honey bees) and humans is a matter of public concern. However, information on exposure levels and potential health impacts of neonicotinoids in children living around sprayed areas is scarce. Thus, we determined neonicotinoid exposure levels in children living in communities where thiacloprid was used to control pine wilt disease. A total of 46 children (23 males and 23 females) were recruited for the present study, and informed written consent was obtained from their guardians. Urine specimens were collected before, during, and after insecticide spraying events; and atmospheric particulate matter was also collected. Concentrations of thiacloprid and 6 other neonicotinoid compounds were determined in urine samples and in atmospheric particulate matter specimens using liquid chromatography-electrospray ionization-tandem mass spectrometry. In urine specimens, thiacloprid concentrations were <0.13 mu g/L and were detectable in approximately 30% of all samples. Concentrations of the other neonicotinoids, N-dm-acetamiprid, thiamethoxam, dinotefuran, and clothianidin, were 18.7, 1.92, 72.3, and 6.02 mu g/L, respectively. Estimated daily intakes of these neonicotinoids were then calculated from urinary levels; although the estimated daily intakes of the neonicotinoids were lower than current acceptable daily intake values, the children were found to be exposed to multiple neonicotinoids on a daily basis. Environ Toxicol Chem 2019;38:71-79. (c) 2018 SETAC
著者
漆原 和子
出版者
法政大学国際日本学研究所
雑誌
国際日本学 = INTERNATIONAL JAPANESE STUDIES (ISSN:18838596)
巻号頁・発行日
vol.4, pp.77-103, 2007-03-31

On the island of Tsushima, situated between the Japanese mainland and South Korea, prevailing northeasterly to northwesterly winds during winter cause more problems for daily life than the typhoons that attack the island only rarely. It has hence been necessary for the inhabitants to find ways to protect themselves from these winds. On the western coast of the island, high stone walls of sandstone or slate have been built around residences. In addition to the main building, they also constructed separate sheds known as itakura for the storage of food, tools, and furniture. Traditionally with slate roofs, these sheds were also a type of insurance against the spread of fire. In recent years, tiles have replaced the slate.The city of Izuhara on the east coast is situated on an alluvial plain well protected from the prevailing winter winds. Since it was an old castle town with a quarter of densely built houses known as bukeyashiki, stone walls were constructed around the houses to prevent the spread of the fires that were common in such circumstances. Several of these fire-prevention walls survive even today. They date back to the sixteenth century or so.Two styles of dry stone wall construction can be observed on Tsushima. The first is what I tentatively call the Ryūkyū style, which is to be found in Ryūkyū and the southern Korean island of Cheju. It uses rounded stones at its corners. The second is what I tentatively call Honshu style, which is to be found on Honshu. It is characterized by sharp corners, curved inwards in the vertical axis, produced by stacking angularly cut stones at 90° angles to one another at the corners, while the remainder of the wall is of natural and cut stones piled in Anō-zumi fashion. The existence of the first type of wall suggests strong cultural influence from Korea.On the island of Okinoshima, further east in the Japan Sea, the seasonal prevailing winds have been warded off with a combination of hedges and stone walls. These stone walls are in the Honshu style; protection from the wind is also accomplished with wooden and bamboo fences. Walls of the Ryūkyū style, however, are not to be found on Okinoshima. The border of the Ryūkyū style is therefore located between Tsushima and Okinoshima, and this appears to represent a border of localization of a characteristic component of Japanese culture.
著者
村上 剛規
出版者
文化学園大学・文化学園大学短期大学部
雑誌
文化学園大学・文化学園大学短期大学部紀要 (ISSN:24325848)
巻号頁・発行日
vol.52, pp.37-45, 2021-03-31

本研究は人体の上肢の形状と衣服製作で使用される袖パターンに着目し、その関係について相互性を見ることを目的とする。まず上肢の形状を知るために成人女子を被験者とし、写真計測を行った。その結果、上腕部の振れはほぼなく、前腕部で振れていることと、その振れには個人差があることがわかった。このことを踏まえ、以下のような試着実験を行い、上肢に適合する袖パターンの形状を検討した。①被験者に肘までの長さの袖のジャケットを着用させ、撮影した写真の観察を行った結果、上腕部は適合していることがわかった。次に②被験者に基本型となる長袖のジャケットを着用させ、撮影した写真の観察を行った結果、袖に皺が見られる被験者がいた。この皺は袖の振れに前腕部の振れが合わないために見られたということが推察された。そして③半袖のジャケット着用時の前腕の振れを基に被験者を分類し、それらに合わせて前腕部の振れを変えたジャケットを着用させ、撮影した写真の観察を行った。その結果、袖に皺は見られず、適合することがわかった。これらの実験から、上肢に適合する袖パターンは、1つではなく、上肢の形状に合わせて複数種類が必要であることがわかった。