著者
廣垣 俊樹 青山 栄一 山下 竜弥 岸本 昌大 河添 佑矢
出版者
一般社団法人 日本機械学会
雑誌
日本機械学会論文集 (ISSN:21879761)
巻号頁・発行日
vol.83, no.850, pp.17-00052-17-00052, 2017 (Released:2017-06-25)
参考文献数
10
被引用文献数
1

Recently, the miniaturization and multi-functionalization of electronic equipment have been demanded due to developments in IT. Therefore, the miniaturization and densification of the semiconductor package printed wiring boards (PWBs) have been more demanded. For the realization, the miniaturization of PWBs and fabrication of highly dense electrical circuit layers are also demanded. As a result, problems such as broken drill by the increase in aspect ratio and heat damage around the drilled hole are occurred in micro-drilling process of the PWB. A step feed drilling is considered to be effective as a solution to those problems However, it needs a high-speed reciprocating movement in short stroke to keep a drilling efficiency, and then causes residual vibration on machine tool table. In the present report, we propose a novel machine tool equipped with a counter balance mechanism using a left and right lead ball screw. This mechanism consists of a balance mass that moves in the Z-axis direction corresponding to the spindle movement to cancel a vibration force in linear direction at reciprocating movement. We construct a test stand to estimate the reducing effect of vibration force and to mode it. Moreover, we confirm the improving effect in high speed micro-drilling process with a proposed machine tool.

1 0 0 0 小樽文化史

著者
渡辺悌之助執筆
出版者
小樽市
巻号頁・発行日
1974
著者
北海道総務部文書課編
出版者
理論社
巻号頁・発行日
1966
著者
加藤 千枝
出版者
一般社団法人 社会情報学会
雑誌
社会情報学 (ISSN:21872775)
巻号頁・発行日
vol.2, no.1, pp.45-57, 2013

本研究では,出会いを「ネットを介して知り合った人と実際に会った経験」とした上で,ネットを介した出会いの過程を質的に明らかにすることを目的とし,青少年女子15名に対して半構造化面接を実施した。その結果,ネットを介した出会い経験者は8名,非経験者は7名おり,経験者は「インスタントメッセンジャー」「ソーシャルネットワーキングサイト(サービス)」「メールボックス」「BBS」を介して異性の者との出会いを実現させていた。また,経験者はネットを介した出会いを実現させる前,出会いに対して「否定的感情」を抱いているにも関わらず出会いを実現させており,その理由として,ネットの特性が影響していることが考えられる。加えて,経験者はフィルタリングが導入されていない端末から自由にネットを利用できる環境にあり,ネットを介した出会いのトラブルや事件を防ぐ為には,青少年心理を理解した上でのリスク教育とペアレンタルコントロールも必要であると言える。
著者
和田 実
出版者
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.40, no.4, pp.386-393, 1992-12-30
被引用文献数
2

The purpose of this study is to investigate the effects of perceived social supports by friends and parents on psychological well-being in a life transition. In addition, the levels of ideal as well as present social supports are examined, and it is investigated whether the more social supports they have than they wish, the more effects they have on psychological well-being. Subjects are 165 freshmen (48 males and 117 females). Whether they had a life transition or not are based on their states of residence, i.e. living with parents or alone after getting into a university. Major findings are as follows : (1) Both social supports have an effect on psychological well-being, especially loneliness. That is, those having more social supports feel less lonely than thoes with less support. (2) The level of loneliness is determined by friends' social support, mostly emotional support. (3) The more social supports they have than they disire, the less lonely they feel and the more satisfied with their university life they are.
著者
橋詰 直孝
出版者
診断と治療社
雑誌
診断と治療 (ISSN:0370999X)
巻号頁・発行日
vol.91, no.4, pp.725-733, 2003-04
被引用文献数
5

1 0 0 0 CuSbSe

著者
Welch Adam Baranowski Lauryn Zawadzki Pawel Lany Stephan Wolden Colin Zakutayev Andriy
出版者
Institute of Physics
雑誌
Appl. Phys. Express (ISSN:18820778)
巻号頁・発行日
vol.8, no.8, 2015-07-06
被引用文献数
80

Recent technical and commercial successes of existing thin-film solar cell technologies encourage the exploration of next-generation photovoltaic (PV) absorber materials. Of particular scientific interest are compounds that do not exhibit conventional tetrahedral semiconductor bonding, such as CuSbSe<inf>2</inf>. CuSbSe<inf>2</inf>has a 1.1 eV optical absorption onset, a 10<sup>5</sup>cm<sup>−1</sup>absorption coefficient, and a hole concentration of 10<sup>17</sup>cm<sup>−3</sup>. Here, we demonstrate CuSbSe<inf>2</inf>PV prototypes with efficiencies >3%, prepared by a self-regulated sputtering process using a conventional substrate device architecture. Bulk recombination, device engineering issues, and a nonideal CuSbSe<inf>2</inf>/CdS band offset likely limit the promising initial result.
著者
高村 昭輝 伴 信太郎
出版者
日本医学教育学会
雑誌
医学教育 (ISSN:03869644)
巻号頁・発行日
vol.41, no.4, pp.255-258, 2010 (Released:2012-03-27)
参考文献数
5

1) オーストラリアではここ数年で多くの医学部が医学生に対して全学年を通して地域医療と地域社会そのものを認知・意識できるカリキュラムを採用している.2) フリンダース大学では医学生に対してオーストラリアで初めて,遠隔地での長期間にわたる地域小病院・診療所での総合診療実習に着目してプログラムを作成,実践し,大きな成果を上げている.3) 地域立脚型医学教育には様々な形態が考えられるが,どのような地域医療教育が日本の文化,歴史,医療制度に適合し,将来的な地域医療の充実につながるのか考察する必要がある.
著者
名嘉山 リサ Nakayama Risa 総合科学科 Department of Integrated Arts and Sciences
出版者
沖縄工業高等専門学校
雑誌
独立行政法人国立高等専門学校機構沖縄工業高等専門学校紀要 (ISSN:1881722X)
巻号頁・発行日
no.10, pp.41-53, 2016-03

戦後27年に及んだ「アメリカ世(ユー)」と呼ばれるアメリカによる沖縄統治時代に行われた広報活動のなかに、映像メディアを使うという方法があった。それによって統治政策を沖縄住民に広く知らしめ、理解を求め、統治を円滑に行うことを目指した。統治前半の1940年代から1950年代はニュース映画やドキュメンタリー映画などを入手・制作し、映画館や文化会館等での上映、あるいは巡回上映を行ったが、1960年前後にテレビ放送が始まるとテレビ番組も制作するようになった。琉球列島米国民政府(USCAR)はテレビの影響力に期待し、電波を通して米民政府の政策や実績をお茶の間に届けることに投資したわけだが、1960年代後半に沖縄返還が決まったのちも、次の目標を見据えその活動が止む事は無かった。本稿では1960年代後半以降のUSCARのテレビ番組制作に焦点を当て、広報局視聴覚課の任務やUSCARの広報戦略などを整理し、当時地元の民放二局で放映された番組の中から3本をモデルケースとして分析することで、その時期のUSCAR制作テレビ番組の実態を探る。During the 27 year U.S. rule of Okinawa from 1945 to 1972, the U.S. military government used audiovisual media as part of its educational and public relations activities. The United States' aim was to govern Okinawa smoothly by garnering the local residents' understanding for their occupation policies through these activities. During the first half of the occupation, the military government obtained and produced newsreels and documentary films, andscreened them in movie theaters, public halls, and outdoor areas. When TV broadcasting began around 1960, they shifted to produce TV programs. The United States Civil Administration of the Ryukyu Islands (USCAR),established in 1950, which succeeded the United States Military Government, had high expectations in regards to the influence of TV media, and therefore invested in disseminating its policies and achievements via air waves.USCAR continued to produce TV programs after the reversion of Okinawa was agreed to by the U.S. and Japan,for it had as an objective to psychologically prepare Okinawans for the reversion through TV programming. This paper focuses on the TV programs produced by USCAR during the last phase of its rule and examines the missions of the audio-visual division of the Public Affairs Department of USCAR and the conditions behind theirTV productions. The paper specifically focuses on three TV programs that were recently restored for a screening held in Okinawa in 2015—TV Weekly: A New Handicraft Shop, TV Weekly: A Year End Charity Campaign by the Americans, and Man, Time, and Place: American Children Learning Japanese Culture, and aims to elucidate the actualities of these programs made circa 1970.
著者
高橋 伸彦
出版者
Japanese Society of Ryodoraku Medicine
雑誌
日本良導絡自律神経学会雑誌 (ISSN:09130977)
巻号頁・発行日
vol.52, no.4, pp.121-135, 2007
被引用文献数
1

The circa dian rhythm of Ryodoraku has previously been reported, but the details are not yet well known. As a result Ryodoraku of three volunteers were examined several times a day w ith resistance and capacitance (R&C) using a multi-frequency body fat analyzer and/or oxida tion reduction potential (ORP), p H and volume of u rine.<BR>Accompanied with several small waves, Ryodo raku currents gradually increased from morning to afternoon and decreased from afternoon to night.<BR>Fluctuations in Ryodoraku were roughly s imilar to changes in urinary volume per hour. As urinary volume is regulated by anti-diuretic hormone, secretion of w hich is c ontrolled by the ce ntral nervous system, Ryodoraku might also be managed by the centrar nervous system.<BR>In most cases the changes in R yodoraku displayed the inverse associations to the large fluctuations of urinary ORP and to the alterations of R & C. It was thought that urinary ORP was affected by f ood intake or bathing etc. and R & C w ere influenced by cellular activities. Therefore Ryo doraku was considered to vary according to the living activities. From these findings, the circadian rhythm o f R yodoraku seems to be composed of a large wave controlled by the central nervous system and several small waves influenced by living activit ies.
著者
日本体育学会
巻号頁・発行日
1971