Search Results 1-20 of 387

  • Cloud Condensation Nuclei and Immersion Freezing Abilities of Al<sub>2</sub>O<sub>3</sub> and Fe<sub>2</sub>O<sub>3</sub> Particles Measured with the Meteorological Research Institute's Cloud Simulation Chamber

    KUO Tzu-Hsien , MURAKAMI Masataka , TAJIRI Takuya , ORIKASA Narihiro

    …  Aluminum oxide (Al<sub>2</sub>O<sub>3</sub>) and iron oxide (Fe<sub>2</sub>O<sub>3</sub>) particles have been observed not only in industrial areas and their surroundings but also in natural atmospheric environments. … This range is compatible with that of surrogates of mineral dust particles and is smaller than typical κ-values of atmospheric aerosols. …

    Journal of the Meteorological Society of Japan. Ser. II, 2019

    J-STAGE

  • ESG Investments Give Birth to a Label-free Plastic Bottle for Natural Mineral Water : ASAHI SOFT DRINKS CO., LTD.

    Convertech International : functional film, paper, foil, and converting technology 3(1), 78-80, 2018-09

  • 5. Geochemistry and Environmental Science

    … (29034) [146]CO5-6 Ionic Exchange of Tritium in Water and Hydrogen in Hydroxides /H. … (29067) [149]CO5-9 Basic Study on Radiation-induced Luminescence from Natural Mineral /H. …

    KURRI Progress Report 2017(APRIL 2017 - MARCH 2018), 142-159, 2018-08

    IR

  • Underground muography: the present status and outlook  [in Japanese]

    Tanaka Hiroyuki K.M.

    <p>宇宙に由来する素粒子ミュオンの強い透過力を用いた巨大物体の透視撮像技術ミュオグラフィはそのリソースのユニバーサリティーから世界の地震火山噴火予測,社会基盤監視,文化遺産調査へと適用され,実績を上げつつ有る。これまで観測ターゲットとされてきた物体のほとんどは地表に突出した形状を持つものが多い。これは上半球のみから到来するミュオンを利用する上で水平に近い方向から到来するものを使えば検 …

    BUTSURI-TANSA(Geophysical Exploration) 71(0), 127-135, 2018

    J-STAGE

  • On-site Determination of Arsenic, Selenium, and Chromium(VI) in Drinking Water Using a Solid-phase Extraction Disk/Handheld X-ray Fluorescence Spectrometer

    HAGIWARA Kenta , KOIKE Yuya , AIZAWA Mamoru , NAKAMURA Toshihiro

    … <p>A rapid, simple technique combining disk solid-phase extraction and handheld X-ray fluorescence (XRF) spectrometry was developed for the on-site determination of As, Se, and Cr(VI) in drinking water. … The Ti-AED adsorbed As(III), As(V), Se(IV), Se(VI), and Cr(VI) in water without requiring oxidation and reduction. …

    Analytical Sciences 34(11), 1309-1315, 2018

    J-STAGE

  • Analysis of Konbu-Dashi by multi-band optical method from a viewpoint of miscellaneous taste  [in Japanese]

    Taguchi Takumi , Nishikawa Eriko , Ito Ryoei , Hashimoto Atsushi , Kameoka Shinichi , Obiki Nobuaki , Yugawa Noriyuki , Kameoka Takaharu

    【目的】日本料理におけるだし汁を評価する際、料理人はうま味と雑味という言葉を用いる。うま味は基本味であることが発見されて以来、だし汁の品質評価をする際の重要な要素として用いられてきた。一方、雑味には明確な定義は存在せず、雑味の視点からの品質評価はほとんど行われていない。雑味の視点を取り入れることで、だし汁に必要なうま味と不要とされてきた雑味の双方のバランスを考慮した複合的な品質解析が可能となる。そ …

    Abstracts of the Annual Meeting of the Japan Society of Cookery Science 30(0), 27, 2018

    J-STAGE

  • Estimation of Cr(III) in Water with the Presence of Cr(VI) by Chlorophosphonazo I Color Reaction Spectrophotometry

    ZHANG Huanhuan , WU Wenbiao

    … in water is required and was therefore studied. … in bottled mineral drinking water with (or without) the supplementation of Cr<sup>3+</sup> … or in natural water such as mineral or pipe water with the presence of Cr<sup>6+</sup>. …

    Analytical Sciences 34(3), 305-310, 2018

    J-STAGE

  • <b>Degradation of Acetaldehyde using Allophane </b>  [in Japanese]

    NISHIKIORI Hiromasa , NAKAMURA Yusuke , MATSUKURA Minoru , SAMBAYASHI Masayuki

    … <p>Degradation of acetaldehyde using natural clay mineral, allophane was investigated in the dark and during UV irradiation in order to confirm its catalytic activity. … A slight amount of acetaldehyde in gas phase was degraded and converted to acetic acid or carbon dioxide and water in the dark. …

    Journal of Environmental Chemistry 27(4), 121-127, 2017

    J-STAGE

  • Serpentinite with and without brucite: A reaction pathway analysis of a natural serpentinite in the Josephine ophiolite, California

    SONZOGNI Yann , TREIMAN Allan H. , SCHWENZER Susanne P.

    … brucite and talc are completely absent from the serpentinite, regardless of whether the precursor mineral was olivine or pyroxene. … Petrographic and mineral–chemical data suggest at least two phases of serpentinization. … These reactions indicate that water with a concentration of H<sub>2</sub> …

    Journal of Mineralogical and Petrological Sciences 112(2), 59-76, 2017

    J-STAGE

  • Geochemical Factors for Secondary Mineral Formation at Naturally-Occurring Hyperalkaline Spring in Oman Ophiolite  [in Japanese]

    Anraku Sohtaro , Matsubara Isamu , Morimoto Kazuya , Sato Tsutomu

    … An excellent natural analogue site to study relevant reaction mechanisms is provided in Oman where hyperalkaline spring waters (pH>11) from serpentinized peridotites discharge into moderately alkaline rivers. … The hyperalkaline spring water is reducing, with low Mg, Si and HCO<sub>3</sub><sup>-</sup>, and high Ca concentrations, whereas the river water is oxidizing with high Mg and HCO<sub>3</sub><sup>-</sup> …

    Journal of the Clay Science Society of Japan (in Japanese) 55(2), 17-30, 2017

    J-STAGE

  • Roots research of mineral water production of famous water of mountain well:(Briefing paper)  [in Japanese]

    Nishino Yoshinori , Kawano Maya , Oku Yutaka , Kawano Kazutaka , Tatsumi Taiga , Tamura Shinichi

    本報文では、名水に封入された歴史及び情報科学を、分析化学によって開くことにより得られる科学情報から、少なくとも名水が生成された年月の自然科学情報及び、同時代に生きた人類の生活情報が得られることを明らかにした。

    GPI Journal 3(1), 5-10, 2017

    J-STAGE

  • Physical and chemical characteristics and biomineralization of "Scarcity Black Persimmon Tree"  [in Japanese]

    TAZAKI Kazue , TAKEHARA Teruaki , HASHIDA Yumiko , HASHIDA Shozo , NAKAMURA Keiichi , YOKOYAMA Akihiko , AOKI Conami , TAZAKI Fumie

    黒柿はカキノキ科の一つであり,幹・枝・根の断面に黒色の部分があり,心材や辺材には縞が美しい孔雀の羽根のような模様(孔雀杢 くじゃくもく)がある.孔雀杢は何百年と樹齢を重ね,かつ,様々な条件を満たした柿の木だけが黒と白の美しい模様を持つようになった希少な銘木である.材質が竪硬で粘りもあり,細かい細工をする指物に適しており和家具,茶道具などが金沢伝統工芸品となっている.しかし,江戸時代に加賀藩が黒柿の …

    Earth Science (Chikyu Kagaku) 71(3), 97-113, 2017

    J-STAGE

  • Modelling Sorption Processes of Trace Elements by Earth Surface Materials  [in Japanese]

    FUKUSHI Keisuke

    … <p> Clay minerals, metal oxyhydroxides, and carbonates are important earth surface materials, which are secondary minerals formed from primary minerals with water and atmosphere under earth surface conditions. … therefore, they play important roles as sorbents for trace elements in natural water. …

    Journal of Geography (Chigaku Zasshi) 126(3), 325-341, 2017

    J-STAGE

  • 4. Material Science and Radiation Effects

    … (27023) [74]CO4-5 Basic Study on Radiation-induced Luminescence from Natural Mineral. … (27032)[75]CO4-6 Study of the Scientific Properties of Water and the Physiological Activation Phenomena by Using High-Intensity Pulsed Coherent Radiation. …

    KURRI Progress Report 2015(APRIL 2015 – MARCH 2016), 71-82, 2016-08

    IR

  • Chelate titrations of Ca2+ and Mg2+ using microfluidic paper-based analytical devices

    Karita Shingo , Kaneta Takashi

    … We developed microfluidic paper-based analytical devices (μPADs) for the chelate titrations of Ca2+ and Mg2+ in natural water. … The total concentrations of Ca2+ and Mg2+ (total hardness) in the water were measured using a μPAD containing a buffer solution with a pH of 10, whereas only Ca2+ was titrated using a μPAD prepared with a potassium hydroxide solution with a pH of 13. …

    Analytica Chimica Acta 924, 60-67, 2016-06-14

    IR DOI

  • Studies on Bacteriological Quality and Test Methods in the Examination of Natural Mineral Water Products Bottled in Europe  [in Japanese]

    佐藤 順 , 小布施 由佳

    日本防菌防黴学会誌 = Journal of Antibacterial and Antifungal Agents 44(2), 57-60, 2016-02

    Ichushi Web

  • On-site Determination of Heavy Metals in Drinking Water by Disk Solid-phase Extraction/Handheld X-ray Florescence Analysis  [in Japanese]

    HAGIWARA Kenta , KAI Shotaro , KOIKE Yuya , AIZAWA Mamoru , NAKAMURA Toshihiro

    ディスク固相抽出とハンドヘルド蛍光X線分析を組み合わせて飲料水中のMn,Fe,Cu,Zn,Cd,Hg,Pbを試料採取現場で定量する方法を開発した.酢酸緩衝溶液でpH 5に調整した試料水50 mLを直径13 mmのイミノ二酢酸キレートディスクに通液し,水中の重金属を濃縮した.ディスクの両面をセロハンテープでコーティングし,100℃ で60 s加熱乾燥した.これをハンドヘルド蛍光X線分析に供すことで水 …

    BUNSEKI KAGAKU 65(9), 489-495, 2016

    J-STAGE

  • Multivariate analysis for geochemical process identification using stream sediment geochemical data: A perspective from compositional data

    Liu Yue , Cheng Qiuming , Zhou Kefa , Xia Qinglin , Wang Xinqing

    … <p>Identification of underlying geochemical processes based on samples of different types such as stream sediments, soils, and water is important for a range of applications including mineral exploration, land use planning, and environmental assessment of both natural and anthropogenic factors. …

    GEOCHEMICAL JOURNAL 50(4), 293-314, 2016

    J-STAGE

  • Experimental fluorine liberation from Precambrian granites and Carboniferous-Permian sedimentary rocks associated with crystalline and sedimentary aquifers, Paraná Basin, southeastern Brazil

    Ezaki Sibele , Hypolito Raphael , Pérez-Aguilar Annabel

    … <p>High natural fluoride (F<sup>–</sup>) concentrations (up to 8.75 mg dm<sup>–3</sup>) were detected in the groundwater near Salto city (São Paulo State, Brazil), on the eastern border of the Paraná Sedimentary Basin, with an average of 1.19 mg dm<sup>–3</sup> … Dissolution batch tests were performed in distilled water, simulating F<sup>–</sup> …

    GEOCHEMICAL JOURNAL 50(5), 379-392, 2016

    J-STAGE

  • Geopolymeric cements based on South-Kazakhstan clay loam produced by non-clinker and non-fired scheme

    Seitmagzimov Altay A. , Sarsenbayev Bakhytzhan K. , Seitmagzimova Galina M. , Aimenov Zhambyl T. , Kurtayev Alimzhan S. , Abdiramanova Karlygash S.

    … The possibility to eliminate a specific property of clay inversion due to the directed combination of raw mix hardening conditions for phase-formation irreversible reaction provision is shown taking into account clay mineral aluminosilicate core participation forming a strong stone. … Hereat sample compression strength can reach 5 MPa in already 15 days of natural hardening. … It is revealed that water function in such systems can be changed in time. …

    Japanese Geotechnical Society Special Publication 2(14), 560-563, 2016

    J-STAGE

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