Search Results:　 1-20 of 38

  • 1

    Influence of Floating P-Base on Turn-On Characteristics of Trench-Gate FS-IGBT  [in Japanese]

    TOKURA Norihito

    … During the turn-on period of IGBTs under inductive load switching, a collector voltage waveform characterized by medium-voltage hump followed by a long tail is usually observed. …

    IEEJ Transactions on Industry Applications 130(6), 728-733, 2010-06-01

    J-STAGE CrossRef References (10) Cited by (2)

  • 2

    OS2-21 Thermal Efficiency Enhancement of Ocean Thermal Energy Conversion (OTEC) Using Solar Thermal Energy  [in Japanese]

    YAMADA Noboru , HOSHI Akira , IKEGAMI Yasuyuki

    … This paper describes the simulation results of the thermal efficiency of an OTEC plant that utilizes not only ocean thermal energy but also solar thermal energy as a heat source. … Simulation results of a 100-kWe SOTEC plant, in which the solar collector is installed in two configurations, are obtained and compared with those of an ordinary OTEC plant. …

    National Symposium on Power and Energy Systems 2007(12), 363-366, 2007-06-13

    CiNii Fulltext PDF - Subscription 

  • 3

    Mechanical Vibration Transfer Function Analysis for Turbine Generator Brush Pressuize Mechanism  [in Japanese]

    TAKANEZAWA Makoto , UENO Takahiro , MORITA Noboru

    近年,国内における火力・原子力発電所の電力供給はおよそ8割を占め,それらは蒸気タービン駆動のタービン発電機によるものである.しかし,いくつかのプラントで摺動機構におけるコレクタリング表面にゴーストマークと呼ばれる白濁した傷痕が生じる事例がある.本研究では,機械的特性に着眼し加振器を使用した加振応答試験を行い,タービン発電機の摺動機構における機械的特性について検証を行った.本報告では,バネ圧力増加試 …

    IEICE technical report. EMD 107(12), 5-9, 2007-04-13

    CiNii Fulltext PDF - Subscription  References (9)

  • 4

    福井農林学校の桑標本が北海道大学総合博物館に収蔵されている  [in Japanese]

    持田 誠 , 佐藤 友香

    … We examined these specimens, to clarify the collector information and social background of that age, and researched the related literature. … Mr. IDETA is a specialist of plant pathology and was a pupil of Dr. Kingo MIYABE in his student age of the Sapporo Agricultural College. …

    福井市自然史博物館研究報告 54, 91-94, 2007

    IR

  • 5

    Ammonia volatilization from the surface of a Japanese paddy field during rice cultivation(Environment)

    HAYASHI Kentaro , NISHIMURA Seiichi , YAGI Kazuyuki

    … Ammonia (NH_3) volatilization from the surface of a Japanese paddy field during rice cultivation was measured using the dynamic chamber method with a dry NH_3 collector. … A preliminary investigation showed that a dry NH3 collector with phosphoric-acid-impregnated filters could collect volatilized NH_3 with sufficient efficiency. …

    Soil science and plant nutrition 52(4), 545-555, 2006-08

    CiNii Fulltext PDF - Open Access  References (24) Cited by (11)

  • 6

    430 Thermal Efficiency Enhancement of Ocean Thermal Energy Conversion (OTEC) Using Solar Thermal Energy  [in Japanese]

    YAMADA Noboru , HOSHI Akira , IKEGAMI Yasuyuki

    … This paper describes the simulation results of the thermal efficiency of an OTEC plant that utilizes not only ocean thermal energy but also solar thermal energy as a heat source. … Simulation results of a 100-kWe SOTEC plant, in which the solar collector is installed in two configurations, are obtained and compared with those of an ordinary OTEC plant. …

    Symposium on Environmental Engineering 2006(16), 404-407, 2006-07-11

    CiNii Fulltext PDF - Subscription 

  • 7

    Relationship between the Strontium Isotope Ratio of Paddy Soil and of Rice Grains  [in Japanese]

    Kawasaki Akira , Oda Hisao

    ストロンチウム同位体比(^<87>Sr/^<86>Sr)を指標にした米の産地判別手法を確立するため,土壌の^<87>Sr/^<86>Srを測定し,米の^<87>Sr/^<86>Srとの関係を調べ,以下の結果を得た。1)水田土壌11点の水溶性と交換性の^<87>Sr/^<86>Srは,それぞれ0.7066 …

    Journal of the science of soil and manure, Japan 76(5), 579-585, 2005-10-05

    CiNii Fulltext PDF - Open Access  Cited by (3)

  • 8

    A field survey of agarwood in Indonesia

    SUBEHAN , UEDA Junya , FUJINO Hiroharu , ATTAMIMI Faisal , KADOTA Shigetoshi

    沈香は東南アジアの熱帯雨林で採集される樹脂を多く含む心材で, 伝統的・宗教的儀式などの香料として珍重されている。我々は, インドネシアの南スラウェシ州と東カリマンタン州における沈香の採集, 評価・分類や取引, 栽培等の現状について, これらの仕事に携わっている採集者, 商人, 政府の役所(林業省)を対象に現地調査した。沈香は非常に高価であることから, 森林の傍に居住する人々は生活のための収入源の一 …

    Journal of traditional medicines 22(4), 244-251, 2005-08-20

    CiNii Fulltext PDF - Open Access  IR Ichushi Web Cited by (3)

  • 9

    Construction on a new deep ice coring site at Dome Fuji Station -Operations carried out by the JARE-44 Dome Fuji overwintering team-  [in Japanese]

    Kameda Takao , Obinata Ichio , Takahashi Kyo , Taniguchi Kenji , Sugita Okimasa , Fujita Koji , Kurisaki Takashi , Nakano Kei

    第44次南極地域観測隊ドームふじ越冬隊は2003年1月19日から2004年1月25日までドームふじ観測拠点(南緯77°19′01″,東経39°42′11″; 標高3810 m)に滞在し,雪氷・気象・宙空の観測を実施する一方,新掘削場の建設作業を実施した.この建設作業は43次隊による新掘削場の外装工事を主体した建設作業を引き継ぎ,新掘削場の内装工事を主とした.本稿では深層掘削準備作業として現地にて実 …

    Antarctic record 49(2), 207-243, 2005-07

    CiNii Fulltext PDF - Open Access  IR Cited by (1)

  • 10

    Trace Elements Behavior in Coal Gasification Based on Thermodynamics Equilibrium Calculation  [in Japanese]

    Yu Yong ZHUENG , MORITOMI Hiroshi , KAMBARA Shinji , YOSHIIE Ryo , UEMIYA Shigeyuki

    … The calculation results were compared with the test results of a high temperature and pressurized coal gasification pilot plant with partial combustion. …

    Journal of the Japan Institute of Energy 84(5), 431-437, 2005-05-20

    CiNii Fulltext PDF - Subscription  References (30) Cited by (2)

  • 11

    Granular Packed-Bed Filter as High Temperature Dust Collector  [in Japanese]

    IZUMI Noriaki

    … The dry gas clean-up technology has been evolved from a granular packed-bed dust collector (dry moving-bed dust removal system) to a dry moving-bed gas clean-up equipment which can simultaneously remove both sulfur and dust. …

    Earozoru Kenkyu 20(1), 37-42, 2005-03-20

    J-STAGE References (5)

  • 12

    Far Eastern Medicine in Seventeenth and Early Eighteenth Century Germany

    Michel Wolfgang

    … Based on the findings of his predecessors at Dejima he collected further plant specimens, books and other informations about material medica, acupuncture and moxibustion. … Eventually Eastern medicine became an exotic practice, its needles and moxa were enclosed in the rarity chambers of the curious collector. …

    Studies in languages and cultures 20, 67-82, 2005

    IR

  • 13

    Continuous Manufacturing of Ni Porous Sheet by Electroless Ni Plating Method Using Ti(III) Reductant  [in Japanese]

    INAZAWA Shinji , MAJIMA Masatoshi , KARIYA Ayao , KOYAMA Keiji , NAKAYAMA Shigeyoshi , NAKAO Seiichiro , KIM Dong-Hyun , OBATA Keigo

    … As an industrial example of applying this technique, trial manufacturing of the nickel metal foam (Celmet®) was considered as a current collector for Ni-MH batteries was considered. … Applying this novel technique for this conductive treatment, it was proved that the conductive treatment of urethane continuing beyond 100 hours was possible in the pilot plant scale operation. …

    Journal of The Surface Finishing Society of Japan 55(11), 741-745, 2004-11-01

    J-STAGE CrossRef References (7)

  • 14

    Locality and collector names for the plant specimens, collected in Sakhalin and deposited in Japanese herbaria  [in Japanese]

    Takahashi Hideki , Fukuda Tomoko , Taran A.

    bunrui 4(2), 153-176, 2004-08-31

    CiNii Fulltext PDF - Open Access  References (17)

  • 15

    A Study of Brush Ghost Mark in the Deformation Ring  [in Japanese]

    UENO Takahiro , MORITA Noboru

    ブラシ摺動集電システムは大小を問わず回転機において多々用いられている。とくに、中・大型機では発電所などで使用される。ここで、電力供給安定化に対して、非常に高い信頼性が要求されている。近年、集電リング表面にゴーストマークと呼ばれる傷痕が発生することにより摺動不良を起こすことが問題視されている。そこで、集電リング面に発生するアーク痕の発生メカニズムを解明するために、摺動接触通電時における電気的・機械的 …

    IEICE technical report. EMD 102(385), 11-15, 2002-10-11

    CiNii Fulltext PDF - Subscription  References (5)

  • 16

    Determination of Strontium Isotope Ratio of Brown Rice for Estimating Its Provenance

    Kawasaki Akira , Oda Hisao , Hirata Takafumi

    … The strontium isotope ratio (^87Sr / ^86Sr) of brown rice (Oryza sativa L.) was determined by multiple collector inductively coupled plasma mass spectrometry (MC-ICP-MS) in order to evaluate the values of ^87Sr / ^86Sr for use in the estimation of the area of rice production. …

    Soil science and plant nutrition 48(5), 635-640, 2002-10

    CiNii Fulltext PDF - Open Access  Cited by (7)

  • 17

    Soil Core Test, a Method of Pesticide Leaching Assessment for Upland Field  [in Japanese]

    OGIYAMA Kazuhiro , KAKUTA Yasushi , TANAKA Kaoru , TAKAHASHI Yoshiyuki , FUJITA Toshikazu , KOBAYASHI Hiroko , SUGIYAMA Hiroshi

    土壌コア法による農薬の鉛直浸透評価の方法を考案した.地表下0∿10cmの土壌コアについては表層用土壌採取器具を用いて柱状に採取した.さらに10∿50cmの土壌コアについては, 0∿10cmコア採取箇所に二分割した縦割りライナー(内径5cm)を装填した採土管を地表下50cmまで打ち込み採取後10cmごとに分割した.一回の試験に6カ所の土壌コア試料を採取し, 土壌および土壌水中 …

    Journal of pesticide science 27(1), 24-30, 2002-02-20

    CiNii Fulltext PDF - Open Access  References (14) Cited by (1)

  • 18

    Present State and Trends of Pantograph  [in Japanese]

    ARAI Hiroyuki

    Journal of Japanese Society of Tribologists 45(7), 515-520, 2000-07-15

    References (12) Cited by (1)

  • 19

    Improvement of Facilities in Ikeshima Coal Preparation Plant  [in Japanese]

    SHIMODA Yoshihisa

    … Ikeshima coal preparation plant was started operation from 1959. … This plant has been conducting many renovations of equipment for 40 years to fit the various demands and changes of markets and also to correspond a number of legal controls. … Finally, we renewed the dust collector because of the handling of the dust which was influenced by the increase moisture content in raw coal. …

    Shigen-to-Sozai 115(13), 1028-1032, 1999-12-25

    J-STAGE CrossRef References (7)

  • 20

    Increases in pH of Soil Solution Samples Due to CO_2 Degassing  [in Japanese]

    Wakamatsu Takashi , Sato Kazuo , Takahashi Akira

    ポーラスカップを用いる従来の土壌溶液採取方法では,採取容器(フラスコ)内で脱炭酸が起こり,pHが上昇することが指摘されていた。そこでSuarez^<10>)の方法に準拠して,ポーラスカップとフラスコの間に低容量の試験管をつなぎ,土壌溶液をフラスコ側に数回溢れさせることで極力脱炭酸が起こらない土壌溶液を採取できるように改良した。そして,この改良法および従来法を群馬県のスギ林土壌に適用し, …

    Journal of the science of soil and manure, Japan 70(6), 775-784, 1999-12-05

    CiNii Fulltext PDF - Open Access  References (17) Cited by (5)