Search Results 1-20 of 8287

  • Giant spin Hall angle in the Heusler alloy Weyl ferromagnet Co2MnGa

    Leiva L. , Granville S. , Zhang Y. , Dushenko S. , Shigematsu E. , Shinjo T. , Ohshima R. , Ando Y. , Shiraishi M.

    … Here, the inverse spin Hall effect (ISHE) in the ferromagnetic Weyl semimetal Heusler alloy Co2MnGa was investigated at room temperature by means of electrical spin injection in lateral spin valve structures. … It was also shown that Onsager's reciprocity does not hold for this system, which is in part attributable to a different spin-dependent Hall conductivity for spin-up and spin-down carriers. …

    Physical Review B 103(4), 2021-01-15

    IR 

  • Classification of Q(t) Profiles to Induced Electrode Charge, Accumulated Charge and Leakage Current Charge  [in Japanese]

    Takada Tatsuo , Sekiguchi Yoitsu , Tanaka Yasuhiro

    <p>The direct current integrated charge method (Q(t) method) is a useful method to understand dielectric properties of insulating materials with a simple treatment. As total currents flowing thr …

    IEEJ Transactions on Fundamentals and Materials 141(4), 245-251, 2021

    J-STAGE 

  • The Effect of Cutting on Turbidity and Sugars in Vase Water and the Vase Life of Cut Gerbera Flowers  [in Japanese]

    Tonooka Makoto , Homma Yoshiyuki , Nukui Hideki , Ohba Seiji , Ichimura Kazuo

    <p>ガーベラはハサミを用いずに引き抜いて収穫する.湿式輸送では切り戻しにより調整するが,乾式輸送では切り戻しによる調整は行わずに出荷する.ガーベラ切り花において,調整(切り戻し)の有無が花茎からの糖質および電解質の溶出,生け水の濁度および日持ちに及ぼす影響について検討した.ガーベラ 'ミノウ' における収穫時の平均切り花長は57 cmだった.'ミノウ' では,生け水の電気伝導率,糖質 …

    Horticultural Research (Japan) 20(1), 101-108, 2021

    J-STAGE 

  • A Study on the Water Environment in the Basin of Abukuma River (3)  [in Japanese]

    YAMAGATA Erina , KODERA Koji

    <p><b> Ⅰ はじめに</b></p><p></p><p> 福島県,宮城県を流下する阿武隈川流域の河川水質において,電気伝導度(EC)土地利用との間の関連が示唆される結果を得た(山形ら,2020).本研究では,ECの変動と土地利用についての考察を報告する.</p><p></p> …

    Proceedings of the General Meeting of the Association of Japanese Geographers 2021s(0), 116, 2021

    J-STAGE 

  • A study on the water environment of Ishigaki Island River (1)  [in Japanese]

    MIURA Erika , YOSHIDA Shunya , LEE Eun , KODERA Koji

    <p> Ⅰ はじめに 八重山群島は 32 の島々で構成されている。その中でも 特に石垣島は人口が一番多く、観光業なども栄えているため中心的な島である。島の中部には標高 526m の於茂登岳があ り山々が連なっている。また亜熱帯気候に属しているため、 周囲にはサンゴ礁やマングローブなどの原生林も多く分 布している。しかし、石垣島は下水道完備率が低く、市街 地を流れる河川の汚染が深刻化して …

    Proceedings of the General Meeting of the Association of Japanese Geographers 2021s(0), 124, 2021

    J-STAGE 

  • Simple Pretreatment Method for Tritium Measurement in Environmental Water Samples using a Liquid Scintillation Counter

    NAKASONE Shunya , SHIMA Nagayoshi , ATARASHI-ANDOH Mariko , FUKUTANI Satoshi , NAKAMURA Kaori , ISHIMINE Akinobu , FURUKAWA Masahide , TANAKA Masahiro , AKATA Naofumi , YOKOYAMA Sumi , TAKAHASHI Tomoyuki , OTA Masakazu , KAKIUCHI Hideki , SUGIHARA Shinji , HIRAO Shigekazu , MOMOSHIMA Noriyuki , TAMARI Toshiya

    … The electrical conductivity in an experimental condition, where the amounts of PCH, PAO, and activated carbon were 0.3 g, 0.3 g, and 0.6 g, respectively, was lower than that of the sample treated by the distillation method. …

    Plasma and Fusion Research 16(0), 2405035-2405035, 2021

    J-STAGE 

  • Prediction of Sake Component Values Using E-nose and E-tongue Data by Machine Learning

    SHIMOFUJI Satoru , MATSUI Motoko , MURAMOTO Yukari , MORIYAMA Hironori , HOKI Yoshiro , UEHIGASHI Haruhiko

    <p>日本酒は日本の伝統的な嗜好性アルコール飲料である.日本酒の品質の一般的な指標として,揮発性成分(酢酸エチル,イソアミルアルコール,酢酸イソアミル,カプロン酸エチルなど),グルコース含量,酸度,およびアミノ酸度が分析されている.これらの分析値を使用して日本酒の官能特性を明らかにするために,多くの研究が行われている[1-2].以前の報告では,日本酒を特徴付ける物理化学的特徴から総合評 …

    Japan Journal of Food Engineering 22(1), 15-24, 2021

    J-STAGE 

  • Arsenic Pollution in Nagae River after Volcanic Eruption of Mt. Iou  [in Japanese]

    KOMURA Chika , HAMA Takehide , ICHINOSE Yuki , KUBOTA Tomijiro

    <p>火山地域を含む流域では, 噴火による噴出物により流域河川の水質に影響を与える可能性がある。霧島火山群の1つである硫黄山は, 2018年4月19日に約250年ぶりに噴火活動を再開し, 噴火口から流出した泥水によって近隣を流れる長江川は汚染された。特に, ヒ素は環境基準値 (10 μg L<sup>-1</sup>) を超過した。本研究では長江川のヒ素に着目し …

    Journal of Japan Society on Water Environment 44(2), 43-50, 2021

    J-STAGE 

  • A Study of All-solid-state Planar Micro-supercapacitors Using Printable MoS<sub>2</sub> Inks

    Han Zhao , Zhang Yafei , Xia Tong , Xu Shiwei , Li Gang , Zhang Liying , Hu Nantao , Yu Jian , Li Bin , Yang Zhi

    … The preprinted PEDOT: PSS film on PI (Polyimide) substrate prepared with a simple and low-cost desktop inkjet printer can greatly improve the electrode conductivity. …

    Chemistry Letters 50(3), 452-455, 2021

    J-STAGE 

  • Pulsed-Electric-Current Bonding of Oxygen-Free Copper and Austenitic Stainless Steel

    Nakao Hayato , Nishimoto Akio

    … <p>Although pure copper has good electrical and thermal conductivity, it is often used in combination with other metals due to its poor strength. …

    MATERIALS TRANSACTIONS 62(3), 448-452, 2021

    J-STAGE 

  • Possibility of Semiconducting Electronic Structure on Al–Pd–Co 1/1 Cubic Quasicrystalline Approximant

    Iwasaki Yutaka , Kashimura Tomoyuki , Kitahara Koichi , Kimura Kaoru

    … The measured electrical conductivity linearly increases with increasing temperature. …

    MATERIALS TRANSACTIONS 62(3), 317-320, 2021

    J-STAGE 

  • Hot spring water flow path estimated by electromagnetic survey -An example in Yuda Hot Spring, Yamaguchi Prefecture-  [in Japanese]

    Nishiyama Nariaki , Suzuki Koichi , Tanaka Kazuhiro

    <p> 山口県山口市の湯田温泉は平野部に湧出するアルカリ性単純温泉であり,1日2,000tの豊富な湯量であるが,その温泉水の流動経路は明らかにされていない。本研究では,温泉水の水質分析とともに,湯田温泉周辺の地質試料の比抵抗測定,電磁探査法による比抵抗構造の把握,泉源ボーリングのコア観察,および数値シミュレーションを実施し,温泉水の流動経路を検討した。電磁探査の結果,基盤岩とそれを覆う …

    BUTSURI-TANSA(Geophysical Exploration) 74(0), 1-16, 2021

    J-STAGE 

  • Recent Progress and Issues of Diamond Metal-oxide-semiconductor (MOS) Interface for High-Frequency and Power Device Application  [in Japanese]

    MATSUMOTO Tsubasa , ZHANG Xufang , TOKUDA Norio

    … <p>Diamond has various useful material properties such as a wide bandgap, high carrier mobility, high breakdown field, and high thermal conductivity. … We also discuss electrical properties of diamond MOSFETs and MOS capacitors.</p> …

    Vacuum and Surface Science 64(2), 80-85, 2021

    J-STAGE 

  • Effect of Na<sub>3</sub>BO<sub>3</sub> Addition into Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> Single-Phase All-Solid-State Batteries

    NISHIO Akira , SHIRAI Nobuaki , MINAMI Hironari , IZUMI Hiroaki , INOISHI Atsushi , OKADA Shigeto

    … The electrical conductivity is increased by the addition of Na<sub>3</sub>BO<sub>3</sub>, although the activation energy is also increased. …

    Electrochemistry, 2021

    J-STAGE 

  • Environmental Factors and Spatial Heterogeneity Affect Occupancy Estimates of Waterbirds in Peninsular Malaysia

    MARTINS Chukwuemeka Onwuka , OLANIYI Oluwatobi Emmanuel , ZAKARIA Mohamed

    … The maximum and minimum weights of the factors for waterbirds in PIW were water turbidity and electrical conductivity, while at PW they were atmospheric pressure and six water parameters. …

    ORNITHOLOGICAL SCIENCE 20(1), 39-55, 2021

    J-STAGE 

  • Lung toxicity of a vapor-grown carbon fiber in comparison with a multi-walled carbon nanotube in F344 rats

    Numano Takamasa , Sugiyama Taiki , Kawabe Mayumi , Mera Yukinori , Ogawa Ryoji , Nishioka Ayako , Fukui Hiroko , Sato Kei , Hagiwara Yuji

    … Carbon fibers have excellent physicochemical and electrical properties. … The representative vapor-grown carbon fiber, VGCF<sup>TM</sup>-H, is extremely strong and stable and has superior thermal and electrical conductivity. …

    Journal of Toxicologic Pathology 34(1), 57-71, 2021

    J-STAGE 

  • Changing the Concentration of the Culture Solution before Harvesting Affected the Component Quality of Takana (<i>Brassica juncea</i> var. <i>integrifolia</i>)

    YAMABA Akari , LUTES Peter , OKUDA Nobuyuki

    … integrifolia</i>) was cultivated with a culture solution adjusted to electrical conductivity (EC) of 0.7 or 1.4 dS m<sup>-1</sup>, and the culture solution was changed before harvesting. …

    Environment Control in Biology 59(1), 29-34, 2021

    J-STAGE 

  • DC Electric Field Distribution under Gas-Conductivity-Dominant Condition in Gas-Solid Composite Insulation Systems

    Nakane Ryuichi , Hayakawa Naoki , Okubo Hitoshi

    … <p>It is necessary to enhance DC electrical insulation performance in power equipment such as DC gas insulated switchgears (DC-GISs) for the introduction of DC power transmission systems. … In gas-solid DC composite insulation systems, the gas conductivity is strongly affected by the sources for the charge carriers such as the electrode roughness and partial discharges. … In particular, two types of conductivity conditions are considered; …

    IEEJ Transactions on Fundamentals and Materials 141(2), 156-163, 2021

    J-STAGE 

  • Anisotropic Thermal Conductivity of Lamination Stacks of Non-oriented Electrical Steel  [in Japanese]

    Yamazaki Shuichi , Kurosaki Yousuke , Wakisaka Takeaki

    … <p>Heat transfer properties of lamination stacks of the non-oriented electrical steels which important for heat management of high-performance motor core, were investigated. … The thermal conductivity of in-plane direction of lamination stack almost coincided with the value which was estimated from the electrical resistance of the steel. …

    Tetsu-to-Hagane 107(2), 121-127, 2021

    J-STAGE 

  • INFLOW WATER QUALITY AND OPERATIONAL EVALUATION AT FACILITIES UTILIZING RAINWATER:Investigation of inflow water quality and the effect of make-up water supply on carbon dioxide emission  [in Japanese]

    OKADA Seishi

    … It is recommended to remove the initial precipitation up to 1 mm from the viewpoint of turbidity and electrical conductivity, and up to 2 mm for higher quality precipitation. …

    Journal of Environmental Engineering (Transactions of AIJ) 86(779), 79-87, 2021

    J-STAGE 

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