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  • 後藤 哲雄, 齊 心
    日本ダニ学会誌
    2019年 28 巻 1 号 33-44
    発行日: 2019/05/25
    公開日: 2019/06/25
    ジャーナル フリー

    本稿では,ダニや昆虫の生命表計算における雌と日齢だけを対象とした生命表(female age-specific life table; 以下,「従来の生命表」という)の問題点を改善した日齢−齢期両性生命表(age-stage, two-sex life table)について,概略を紹介する.

    生命表は個体群生態学や害虫管理における重要なツールであるが,従来の生命表は雄個体を無視し,かつ昆虫の変態を正確に描写できないため,国内外の研究者はこれらを考慮できる日齢−齢期両性生命表を使うようになってきている.本稿ではこれから生命表を用いた研究をしようとする日本の研究者のために,日齢−齢期両性生命表の基本原理を説明したい.この生命表は従来の生命表解析に比べて,1.個体群の齢期分化(stage differentiation)を正確に描写できる,2.個体群増殖に及ぼす性比の影響を研究できる,3.総産卵前期間(total preoviposition period, TPOP)と成虫産卵前期間(adult preoviposition period, APOP)を区別できる,4.産卵期間 (oviposition period)と産卵日数 (oviposition days)を区別できる,などの利点がある.また,日齢−齢期両性生命表の分析技術として,1.日齢−齢期両性生命表と捕食速度分析表を連結することによって純繁殖率(net reproductive rate, R0)から純捕食率(net predation rate, C0)への餌転換効率(transformation rate, Qp)を正確に得ることができる,2.平均産子数(fecundity, F)と純繁殖率(R0)との関係を正確に得られる,3.個体群成長(population growth)の不確実性(uncertainty)を示すことができることを紹介する.最後に,日齢−齢期両性生命表の応用として,1.個体群成長と防除適期の予測ができる,2.天敵生物の捕食速度や害虫の摂食速度を正確に分析できる,3.捕食速度分析表と併せて,天敵の個体群変動と潜在的な捕食能力を予測できる,4.天敵の大量飼育についての情報を提供できることを紹介する.

  • Yoshihito Miyako, Susumu Chikazawa, Toshiaki Saito, Y. G. Yuochunas
    Journal of the Physical Society of Japan
    1979年 46 巻 6 号 1951-1952
    発行日: 1979/06/15
    公開日: 2007/05/29
    ジャーナル 認証あり
    Nonlinear magnetization, m=
    χ0h
    +
    χ2h3
    , was found in spin glass using a mutual inductance bridge. The susceptibility χ0 showed a cusp at Tg as usual, on the other hand χ2 behaved like a divergence at Tg.
  • Rita C.A. Tostes, Deborah S. Storm, David
    H
    .
    Chi
    , R. Clinton Webb
    Hypertension Research
    1996年 19 巻 2 号 103-111
    発行日: 1996年
    公開日: 2006/08/10
    ジャーナル フリー
    Strips of tail artery from stroke-prone spontaneously hypertensive rats (SHRSP), but not from normotensive Wistar Kyoto (WKY) rats, exhibit oscillatory activity after stimulation with norepinephrine. In addition, oscillatory activity is observed in response to tetraethylammonium (TEA) in vessels from both SHRSP and WKY rats. Mechanistically, the oscillatory contractions are associated with calcium (Ca2+)-driven action potentials. We have tested the hypothesis that intracellular Ca2+ stores participate in the generation of norepinephrine-induced oscillatory contractions in tail arteries from SHRSP. Additionally, the role of intracellular Ca2+ stores on TEA-induced contractions were evaluated. Contractile force in strips of tail artery from SHRSP and WKY rats was measured, using standard muscle bath procedures, and the effect of interventions that affect the storage of intracellular Ca2+ on the oscillatory contractions was evaluated. Depletion of intracellular Ca2+ stores, with ryanodine, or inhibition of Ca2+ uptake into the sarcoplasmic reticulum (SR), with thapsigargin and cyclopiazonic acid (CPA), did not inhibit oscillatory contractions induced by norepinephrine in SHRSP vessels. However, these agents inhibited the amplitude of TEA-induced contractions in WKY strips. Bay K 8644 and A23187 inhibited TEA-induced oscillatory contractions in WKY vessels. In SHRSP tail artery Bay K 8644 inhibited both norepinephrine and TEA-induced contractions, while A23187 did not have any effect. The phospholipase C inhibitor, NCDC (3×10-5M), blocked oscillatory activity induced by norepinephrine in SHRSP tail artery and TEA-induced oscillations both in SHRSP and WKY vessels. These observations suggest that Ca2+ release and Ca2+ uptake into intracellular Ca2+ stores are not involved in the contraction-relaxation cycles that characterize norepinephrine-induced oscillatory activity in SHRSP tail artery. Similarly, SR Ca2+ stores may modulate but are not essential for TEA-induced oscillatory contractions. (Hypertens Res 1996; 19: 103-111)
  • 大塚 誠, 松田 芳久
    粉体工学会誌
    1993年 30 巻 6 号 423-428
    発行日: 1993/06/10
    公開日: 2010/04/30
    ジャーナル フリー
  • Tappei HORIKAWA, Daisuke KITAYAMA
    International Symposium on Affective Science and Engineering
    2024年 ISASE2024 巻 PM-2A-02
    発行日: 2024年
    公開日: 2024/05/31
    会議録・要旨集 フリー

    Recently, a genre of streaming known as working streaming has emerged on video-streaming platforms like YouTube. Although working streaming has the potential to improve work productivity through self-explanation and viewer reactions, it faces challenges, such as confidentiality and the need for a significant number of viewers. To address these challenges, we previously proposed a new method to simulate real-time interaction by automatically generating viewer comments in response to user utterances. However, the experiment was conducted with four undergraduate students, leaving room for further verification. In this study, we conducted a large-scale experiment using crowdsourcing to verify the effectiveness of the proposed method.

  • 佐藤 成見
    におい・かおり環境学会誌
    2015年 46 巻 4 号 264-266
    発行日: 2015/07/25
    公開日: 2019/02/20
    ジャーナル フリー
  • Susumu Miyairi, Shuji Azumo, Tomoaki Sugiyama, Yohei Ishizawa, Hiroshi Yonemura, Katsuhisa Nagayama
    日本マイクログラビティ応用学会誌
    2008年 25 巻 3 号 543-
    発行日: 2008/07/31
    公開日: 2021/01/21
    ジャーナル オープンアクセス
    Drop tube process has several advantages. Drop tube process is containerless process with rapid cooling rate. The drop tube process enables solidification in the microgravity condition. In addition, micro order particle is made by drop tube process. Purpose of this research is to analyze effect of microgravity and the relationship between magnetic properties and particle size in CoCr alloy and Co and Ni pure metals that have ferromagnetics at room temperature. Magnetic properties of CoCr produced by drop tube were changed by diameter of sample. It is supposed that this depends on the size and effect of microgaravity.
  • Dongyue Chen, Zhengcao Li, Wei Miao, Zhengjun Zhang
    MATERIALS TRANSACTIONS
    2012年 53 巻 6 号 1159-1163
    発行日: 2012/06/01
    公開日: 2012/05/25
    ジャーナル 認証あり
    Nuclear graphite endures gas oxidation in High Temperature Gas-cooled Reactor (HTGR), which may threaten the safety of reactor. To study the oxidation behavior of nuclear graphite, weight loss curve is usually measured through Thermo Gravimetric Analysis (TGA) method. In this work, three brands of nuclear graphite for HTGR (i.e., HSM-SC, IG-11, and NBG-18) are oxidized under 873 and 1073 K in open air, and their weight loss curves are obtained. The acceleration of oxidizing rate is observed for both HSM-SC and IG-11, and is attributed to the large porosity increase during oxidation process. For HSM-SC, the porosity increase comes from preferential binder oxidation, and thus its binder quality shall be improved to obtain better oxidation resistance. Temperature effects on oxidation for HSM-SC are also studied, which shows that oxidizing gas tends to be exhausted at graphite surface at high temperature instead of penetrate into the interior of bulk.
  • 剣道の場合
    大浦 容子, 後藤 克彦
    教育心理学研究
    1994年 42 巻 1 号 1-10
    発行日: 1994/03/30
    公開日: 2013/02/19
    ジャーナル フリー
    In order to investigate how cognitive skills develop in the course of expertise in Japanese fencing, regular (expert) and substitute (junior expert) players of a men's university varsity team were compared on performances on (I) a paper-pencil test of rules and concepts (Test a),(II) convergent problem solving tasks such as to predict a scorer's winning trick from a video just before it occurs (Test c-2), and (III) divergent problem solving tasks such as to judge players' skill from their postures (Test b-1), and to detect defects in them (Test b-2). Unexperienced college students also participated in the experiment in part. Both the experts and junior experts knew the rules and concepts of Japanese fencing well, and their performances were much better than the estimated baseline. Their performances in convergent problem solving were also equally well. In divergent problem solving, however, the experts were better than either the junior experts or the unexperienced. These results suggest that divergent problem solving skills need a longer time to develop.
  • Ji Yeon HYUN, Hyun-Ju KIM, Mi-Ri GWON, Hae Won LEE, Sook Jin SEONG, Young-Ran YOON
    Analytical Sciences
    2015年 31 巻 12 号 1335-1339
    発行日: 2015/12/10
    公開日: 2015/12/10
    ジャーナル フリー
    Fimasartan is a novel angiotensin II receptor blocker with strong anti-hypertensive activity. In this study, a more rapid and sensitive ultra-performance liquid chromatography–tandem mass spectrometry (UPLC-MS/MS) method to determine fimasartan in human plasma was developed and fully validated. The quantification of analytes was conducted by MS/MS in a multiple reaction monitoring mode at m/z 502.2 → 207.1 for fimasartan and m/z 526.3 → 207.1 for the internal standard (IS, BR-A-563). The method showed a linear response from 3 to 1000 ng/mL (r > 0.9950). The intra- and inter-day accuracy values were 86.9 – 98.2 and 93.3 – 100.1%, respectively. The intra- and inter-day precision values were 2.0 – 3.1 and 0.8 – 8.0%, respectively. This UPLC-MS/MS method was validated for specificity, linearity, precision, accuracy, recovery, system suitability, and stability, and was found to be acceptable for bioanalytical applications. Finally, this fully validated method was successfully applied to a pharmacokinetic study of fimasartan in healthy volunteers following oral administration.
  • Andrea Budac, Geoffrey Rockwell, Zachary Palmer, Robert Budac, Todd Suomela, Stéfan Sinclair, Stan Ruecker, the INKE Team
    Journal of the Japanese Association for Digital Humanities
    2017年 2 巻 1 号 73-89
    発行日: 2017/09/06
    公開日: 2017/09/07
    ジャーナル フリー

    Wikipedia: The Free Encyclopedia was launched in January 2001, and its articles now represent a major resource for understanding the world. Many of these articles have been negotiated and edited for a decade or more, and the history of that editing can provide insight into the recent history of ideas. This paper describes the development of a tool called WIScker that works with the Wikipedia Application Programming Interface (API) to scrape, or "wisck," the revision history of any Wikipedia article, in order to build a corpus for subsequent text analysis and visualization. As an example, we examine a fourteen-year revision history of the article "Terrorism," first introduced into Wikipedia in October 2001, the month after 9/11, and subsequently expanded to provide a more historically informed, though still politically motivated, entry.

  • B. B. IVANOVA, R. D. NIKOLOVA, S. ZAREVA, H. MAYER-FIGGE, W. S. SHELDRICK, M. SPITELLER
    X-ray Structure Analysis Online
    2010年 26 巻 27-28
    発行日: 2010年
    公開日: 2010/04/23
    ジャーナル フリー
    電子付録
    The structure of 4-isonicotinoylcoumarin was determine by X-ray crystallography. A symmetry operation (-x+2, -y+1, -z) generates the whole molecule. The compound crystallized in a monoclinic system, and was characterized thus: P21/c, a = 7.8507(16), b = 16.361(3), c = 9.826(2)Å, β = 107.13(3)°, Z = 4, V = 1206.2(4)Å3. The crystal structure was solved by direct methods and refined by full-matrix least-squares on F2 to final values of R1 = 0.0568 and wR2 = 0.0926.
  • 岩井 一晃, 鈴木 優, 石川 佳治
    Webインテリジェンスとインタラクション研究会 予稿集
    2012年 1 巻
    発行日: 2012年
    公開日: 2022/11/07
    会議録・要旨集 フリー

    本研究では,カテゴリを用いたWikipediaにおける著者の質を推定する手法の提案を行う.著者の質とは,ある著者が行った削除や追加,残存という編集の質を指す.これらが良質であるかどうかは,自動的に判定することが困難である.従来手法として著者が記事で行った編集の種類ごとに編集の質推定を行った.本研究ではカテゴリの情報を用いることによって,ページごとにおける著者の質をより高精度に推定する.カテゴリを用いることによって,著者の編集を複数ページの編集から評価することができる.カテゴリ内で高い評価を受けている著者はそれらの記事について詳しい著者であると考えられるため,記事で行った編集をより高く評価する.一方で,低い評価を受けている著者は詳しくない著者と考えられるため評価をより低く評価する.このようにカテゴリを考慮した著者の質再評価を行うことによって,より高精度に著者の質を推定が可能である.

  • 東野 元春, 前田 剛志, 福井 国博, 吉田 英人
    粉体工学会誌
    2015年 52 巻 5 号 252-259
    発行日: 2015/05/10
    公開日: 2015/05/28
    ジャーナル フリー
    The accurate particle classification of separation size from 10 to 100μm is required in practical particle handling process. The cut size of louver type separator can be controlled from 10 to 50μm in size range. This report examines the improvement methods of particle separation performance in louver type separator by use of numerical simulation. The several new methods to improve separation performance are found based on simulation and experimental studies. The separation performance of new type louver separator is higher than that of the standard type. It is also found that the separation performance increases by use of flow rectifier section after the inlet flow. The adhesion probability of particle on inclined louver blades was measured experimentally. The adhesion probability indicated maximum value for particle diameter about 15μm. The results of numerical simulation, which includes flow rectifier section and particle adhesion probability, agreed with the experimental data.
  • Sheng Xu, Yutaka Moritomo, Kenichi Kato, Arao Nakamura
    Journal of the Physical Society of Japan
    2001年 70 巻 7 号 1889-1891
    発行日: 2001年
    公開日: 2003/02/28
    ジャーナル 認証あり
    Effects of magnetic impurity on the superconductivity have been investigated in Mg1-xMnxB2. With increase of Mn concentration x, the lattice constant c (perpendicular to the boron sheet) decreases at a rate of -1.4 % (= d\ln c/dx), while a remains nearly unchanged. The transition temperature Tc steeply decreases with x at a rate of dTc/dx = - 159 K. These results suggest that superconducting state of the parent MgB2 is amenable to the magnetic impurities, i.e., Mn2+.
  • Jun WU, Chao Yan ZHOU, Ming Keong WONG, Hian Kee LEE, Hua CHI, Choon Nan ONG
    Analytical Sciences
    1996年 12 巻 4 号 641-645
    発行日: 1996/08/10
    公開日: 2006/07/04
    ジャーナル フリー
    A procedure has been developed for the speciation of aluminum in urine samples of four normal subjects fed required diet on two dates. Three fractions of aluminum species, i.e., labile monomeric ions, non-labile monomeric ions along with labile complexes, and non-labile complexes were classified and determined by the combination of ion-exchange (IE), fluorometric spectrometry and graphite-furnace atomic absorption spectrometry (GF-AAS) techniques. The results showed that the aluminum in urine was mainly in non-labile complex forms.
  • 音楽の領域での検討
    大浦 容子
    教育心理学研究
    1996年 44 巻 2 号 136-144
    発行日: 1996/06/30
    公開日: 2013/02/19
    ジャーナル フリー
    One hundred and forty-seven college students and 50 sixth-grade children, each being classified into three groups according to piano-playing skill, rated goodness of five sets of four performances (original (O), monotonous (M), swapped (S), and artificial (A)). M was constructed by electronically equalizing the intensity of the sounds, S by swapping the intensity among a half of the sounds, and A by assigning the intensity to each sound according to three rules. Immediately after the initial rating, the college students were exposed to the same sets of performances and were asked to rate again and to choose from eight adjectives the one describing best each performance. Analyses of ratings and of adjective selection revealed that even the nonlearners could differentially and appropriately evaluate three performances (O, M, and 5) as to A, the better skilled, the more negative was the subjects' evaluation. Coherence of ratings across the five sets for best performance was greater among the better skilled and the older subjects. Stability of goodness ranking between the two ratings by the college students was higher among the experienced than the nonlearners.
  • 菊池 健, 和気 秀之, 柳川 孝二
    低温工学
    1982年 17 巻 2 号 84-99
    発行日: 1982/04/25
    公開日: 2010/02/26
    ジャーナル フリー
    The present application of liquid hydrogen in Japan is essentially limited to the space program. The development of the second stage propulsion system, which is intended for installation in the H-I launch vehicle for the 500-kg class geostationary satellite, has been performed by National Space Develoment Agency of Japan. The 10-ton-thrust class LOX/LH2 rocket engine will be used as the engine for the second stage propulsion system, and the basic research for this rocket engine has been carried out by using the firing test facility for a LOX/LH2 rocket engine.
    This paper describes theoretically and experimentally heat transfer characteristics such as the cool-down and evaporation rate of runtanks for this firing test facility.
  • 孫 志寧, 馮 海東, 高 龍榮, 周 士盟, 曾 英傑, 鍾 徳〓, 陳 昭豐, 高 慧蓮
    Journal of Pesticide Science
    1980年 5 巻 2 号 263-266
    発行日: 1980/05/20
    公開日: 2010/08/05
    ジャーナル フリー
    台中近辺の5ヵ所で採取したツマグロヨコバイの vamidothion 感受性を局所施用で調べた. Shu-wang と Hsiang-lu からの採取虫は抵抗性であった. 後者は最大の抵抗性比 (26.3) を示し, そのアセチルコリンエステラーゼの vamidothion による阻害は感受性虫のそれにくらべ1/4におちていた. ディスク電気泳動像は一般に抵抗性, 感受性間で差はなかったが, Wu-fu 採取虫 (抵抗性比4.5) にだけアリエステラーゼ活性が強くアセチルコリンエステラーゼ活性が中等度の泳動帯が余分にみられた. しかしこのアセチルコリンエステラーゼは vamidothion 感受性が最大であった.
  • Itaru MITOMA
    Memoirs of the Faculty of Science, Kyushu University. Series A, Mathematics
    1981年 35 巻 1 号 185-197
    発行日: 1981年
    公開日: 2008/01/22
    ジャーナル フリー
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