Search Results:　 1-20 of 60

  • 1

    Effect of Plasma Cluster Ions on Attenuating Chronic Allergic Rhinitis and Fatigue by Mite Allergen Reduction  [in Japanese]

    KAJIMOTO Osami , KUBO Yukimasa , NISHIKAWA Kazuo , KAWAZOE Shoko , SUGINO Tomohiro

    本試験では，プラズマクラスターイオンのダニアレルゲン低減による通年性アレルギー性鼻炎および疲労に対する効果について検証するため，健常成人男女を対象としたランダム化二重盲検 2 試験区クロスオーバー試験を実施した．ヤケヒョウヒダニ特異的 IgE 陽性であり，ハウスダストによるアレルギー性鼻炎の諸症状を有する 13 名において，プラズマクラスターイオン 2.5 万個/cm3 またはイオンなしの試験室で …

    Japanese Journal of Complementary and Alternative Medicine 9(1), 19-30, 2012

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  • 2

    Community Variability of Bacteria in Alpine Snow (Mont Blanc) Containing Saharan Dust Deposition and Their Snow Colonisation Potential

    CHUVOCHINA MARIA S. , MARIE DOMINIQUE , CHEVAILLIER SERVANNE , PETIT JEAN-ROBERT , NORMAND PHILIPPE , ALEKHINA IRINA A. , BULAT SERGEY A.

    … Microorganisms uplifted during dust storms survive long-range transport in the atmosphere and could colonize high-altitude snow. … Bacterial communities in alpine snow on a Mont Blanc glacier, associated with four depositions of Saharan dust during the period 2006-2009, were studied using 16S rRNA gene sequencing and flow cytometry. …

    Microbes and Environments 26(3), 237-247, 2011-09-01

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  • 3

    Effects of Filter Packing Density and Particle Deposit on Classification Performance of Inertial Filter for Sampling of PM0.1

    Eryu Kazunobu , Seto Takafumi , Furuuchi Masami , Otani Yoshio , Tajima Naoko , Kato Takaharu

    … It was found that, up to the collected particle mass of 1 mg, the effect of dust load is not significant. … Therefore IF with a higher packing density is superior in achieving 50% cut-off diameter of 100 nm from the viewpoints of both initial and dust-loaded classification performance. …

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 44(9), 609-615, 2011

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  • 4

    On Forcing the Winter Polar Warmings in the Martian Middle Atmosphere during Dust Storms

    KURODA Takeshi , MEDVEDEV Alexander S. , HARTOGH Paul , TAKAHASHI Masaaki

    … Using a Martian general circulation model, we investigated the changes in the meridional circulation during planet-encircling dust storms on Mars that produce strong temperature vertical inversions in the middle atmosphere over winter polar regions. … Contribution of the stationary planetary wave (SPW) with the zonal wavenumber s=1 increases during dust storms due to intensified generation in the lower atmosphere as well as due to more favorable vertical propagation. …

    Journal of the Meteorological Society of Japan. Ser. II 87(5), 913-921, 2009-10-26

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  • 5

    1316 Development of Health Monitoring System for Bag-Filter  [in Japanese]

    WATANABE Yoshimi , KISHI Satoshi , SATO Hisashi , MIBU Ko , SHIMAKAWA Satoshi , HINATA Shigeru

    … In these years, the bag-filter in a dust collector of the waste incinerator is used widely to remove the toxic substance, for example toxic gas, dioxins and heavy metals included in the ash dust by passing through the filter cloth. … In this study, as investigation of the wear of bag-filter by ash dust, sintered magnetite compact were used for counter material for sliding wear test. …

    年次大会講演論文集 : JSME annual meeting 2008(6), 369-370, 2008-08-02

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  • 6

    Proposal of Detection Method of Leakage Current between Electrodes of a Contaminated and Wetted Cord Plug by Superimposed High Frequency Signal  [in Japanese]

    YAGI Masahiro , MIZUNO Yukio , NAKAGAWA Toshiyuki

    … However, it seems rather difficult to detect the leakage current because its magnitude is much smaller than that of a typical load current of a household appliance.In this paper, a novel method to detect the existence of the leakage current is proposed, where a high frequency signal superimposed on a load current is detected instead of detecting the leakage current itself. …

    IEEJ Transactions on Fundamentals and Materials 128(6), 427-433, 2008-06-01

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  • 7

    Measurements of Paper Dust produced by Abrasive Contact between Linerboard and Steel Tool during Vibration Tests  [in Japanese]

    SATO Mikihiko , NAKAGAWA Yukiomi

    … Such paper packages, however, produce paper dust by the abrasive wear during transportation, which may, in turn, damage the packed product. … In this paper, abrasion wear tests of a linerboard were performed with a vibrational apparatus and an abrasive steel tool, and the amount of paper dust thus produced was measured under various conditions. …

    日本航海学会論文集 (118), 253-258, 2008-03-25

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  • 8

    Comparison of filter Cleaning performance between VDI and JIS Testing Rigs for Cleanable Fabric Filter

    MAO N. , Yao Yuping , Hata Mitsuhiko , Wada Masashi , Kanaoka Chikao

    … A new filtration model was applied to the filtration cycles with the two rigs and it was shown that the difference in filter cleaning performance measured by VDI type-1 and JIS rigs can be expressed in terms of the surface cleaning fraction, which is the ratio of cleaned surface area to the total surface area of a filter, and the residual dust load on the un-cleaned surface after cleaning. …

    Powder Technology 180(1-2), 109-114, 2008-01-14

    IR CrossRef Cited by (1)

  • 9

    2A2-G03 Development of Detachable End-effector for Humanitarian Demining Robot "Gryphon"  [in Japanese]

    OISHI Yasuhiro , OGATA Masaru , FUKUSHIMA Edward F. , HIROSE Shigeo

    … The wrist mechanism has the structure considering not only motion range and load bearing, but also power supplying, communication and water/dust proofness. …

    ロボティクス・メカトロニクス講演会講演概要集 2007, "2A2-G03(1)"-"2A2-G03(4)", 2007-05-11

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  • 10

    Resource Recovery of Inorganic Solid Waste for Reduction of Environmental Load(Special Article: The 60th CerSJ Awards for Academic Achievement)

    MIYAKE Michihiro

    … Resource recovery of inorganic solid waste, such as waste incineration fly ash, cupola dust discharged from foundries, and nickel metal hydride battery waste, have been investigated. … The H_2S sorptive property of cupola dust was induced by spinel-type nanocrystals composed of transition elements in the dust at room temperature in existence of water vapor, and drastically enhanced by NaOH treatments at 80-125℃ to extract the spinel-type nanocrystals from amorphous SiO_2 matrix. …

    Journal of the Ceramic Society of Japan 115(1337), 1-8, 2007-01-01

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  • 11

    Cleaning of Dust between Interactive Contact Surfaces by Application of Normal Loads of Artificial Stainless-Cantilever in AFM

    CHOI SeungChol , HORIE Mikio , ANDO Yasuhisa

    … In this study, we investigated that interactive contact surfaces were affected by dust and applied normal loads of cantilever such as bristles. … The results indicate that spheres with a small curvature radius removed dust more effectively than did either of those with a large curvature radius, abraded by using the stainless cantilever, over the wide contact area (50 μmx50 μm). …

    Journal of Advanced Mechanical Design, Systems, and Manufacturing 1(5), 743-754, 2007

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  • 12

    Vacuum System Developments at the National Synchrotron Radiation Research Center -from the 1.5GeV TLS to the 3.3GeV TPS

    CHEN June-Rong , HSIUNG Gao-Yu , CHAN Che-Kai , YANG Tsai-Lieh , KUAN Chien-Kuang , HSU Shen-Nung , CHANG Chin-Chun , YANG Jia-Ying , HSUEH Hsin-Pai , CHEN Ching-Lung

    … The TLS vacuum system has aluminum beam ducts, an oil-less fabrication process, a low impedance structure, an oil-less pumping system, little dust and an effective vacuum safety interlock system. … Given the strictness of these requirements, the TPS vacuum system must be constructed to perform well in many areas, with a low vacuum pressure, little dust, a stable mechanical structure and a low risk of material failure caused by a high heat load or radiation damage. …

    Shinku 49(12), 748-753, 2006-12-20

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  • 13

    221 Advanced gas cleaning system with ceramic filter and sodium reactant  [in Japanese]

    KURATA Masaaki , ASO Tomonori , TAGUCHI Masakazu , MAEDA Norio

    … This plant put into operation with load in June of 2005. … The dust-collection efficiency of the ceramic filter has been over 99.8% with the pressure loss of roughly 2.2kPa at a filtration speed of 1.5m/min. To prevent the corrosion of the heating pipes that carry the combustion exhaust, the HCl concentration after the exhaust-gas cleaning was set at 15ppm by controlling the reagent feed rate, enabling a stable operation within the corrosion-free state. …

    Symposium on Environmental Engineering 2006(16), 207-210, 2006-07-11

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  • 14

    Global Simulation of Dust Aerosol with a Chemical Transport Model, MASINGAR(<Special Issue>ADEC-Aeolian Dust Experiment on Climate Impact-)

    TANAKA Taichu Y. , CHIBA Masaru

    … We have developed a dust aerosol module integrated into a global aerosol transport model, called MASINGAR (Model of Aerosol Species IN the Global AtmospheRe). … The dust module treats dust-emission processes based on the saltation-bombardment theory. … To obtain a climatological global dust emission, deposition, and spatial distribution, we performed a 25-year simulation which is assimilated to the 1979-2003 condition, using a nudging scheme. …

    Journal of the Meteorological Society of Japan. Ser. II 83A, 255-278, 2005-03-31

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  • 15

    Chemical Composition of Fine Fractions (<63μm) of Street Dust as Nonpoint Pollution Source of River and Sewer Systems in Urban Areas : A Case Study for Nagoya City  [in Japanese]

    SUGITANI Kenichiro , NOMURA Akiko , MINAMI Masayo , KATO Hirokazu

    … The chemical composition of fine fractions (<63μm) of street dust in Nagoya City, central Japan, is examined to obtain information on the nonpoint pollution load of river and sewer systems in urban areas. … The results show that the fine fractions of street dust have more C, Fe, Mn, Ca, Mg, P, Cr, Zn, Sb, As, Hf, and Au than hypothetical background level. …

    Journal of Japan Society on Water Environment 27(8), 547-552, 2004-08-10

    J-STAGE CrossRef References (11) Cited by (4)

  • 16

    Particle Deposition Characteristics in Annulus Granular Filter Beds  [in Japanese]

    Takahashi Hiroshi , Kawai Hideki , Chiba Seiichi

    … The dust collection efficiency of annular, granular-bed filters is studied for high concentration dust removal in comparison with rectangular typed filter. … The overall collection efficiency drops as dust load increases, mainly due to re-entrainment of the capture dust by drag force of gas. …

    Memoirs of the Muroran Institute of Technology 53, 7-13, 2003-11-30

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  • 17

    Particle Deposition Characteristics in Annulus Granular Filter Beds  [in Japanese]

    高橋 洋志 , 河合 秀樹 , 千葉 誠一

    … The dust collection efficiency of annular, granular-bed filters is studied for high concentration dust removal in comparison with rectangular typed filter. … The overall collection efficiency drops as dust load increases, mainly due to re-entrainment of the capture dust by drag force of gas. …

    室蘭工業大学紀要 53, 7-13, 2003-11-00

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  • 18

    9-6. Assessing the environmental impact of Indonesian Electricity Grid System Using an LCA Method

    Widiyanto Anugerah , Kato Seizo , Maruyama Naoki

    … The emissions of CO_2, SO_2, NO_x, CO, CH_4, NMHC, N_2O, Dust (SPM), Ni, As, Cd, Cr, Hg, Pb, and Zn were studied in a cradle-to-grave manner. … In here, the proposed LCA-NETS (Numerical Eco-load Total Standard) method is used as life cycle impact assessment method. …

    日本エネルギー学会大会講演要旨集 (12), 422-423, 2003-07-30

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  • 19

    E214 APPLICATION OF CWS COMBUSTION TECHNOLOGY TO POWER PLANTS IN GUANGDONG PROVINCE OF CHINA

    Zeng Jiliang , Cao Xinyu , Zhao Xiang , Liu Jianzhong , Zhou Junhu , Cen Kefa

    … The performance indices of the modified boilers are satisfactory, minimal load for stable combustion being 40% of the rated load, boiler heat efficiency higher than 90%, combustion efficiency higher than 99%, investment recovery period shorter than 1 year. … With washed treated coal as the raw material, CWS is of much lower sulfur and ash content than raw coal, which makes the SO_2 and dust emission concentration lower than local standards of Guangdong. …

    Proceedings of the International Conference on Power Engineering : ICOPE 2003(2), "2-415"-"2-419", 2003-00-00

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  • 20

    Prediction of Transient Collection Performance of Medium Performance Fibrous Filter for Monodisperse Particles  [in Japanese]

    SAKANO Takeo , OTANI Yoshio , NAMIKI Norikazu , EMI Hitoshi

    … In the present work, a new model for predicting the pressure drop of dust loaded medium performance air filters is proposed by introducing the collection efficiency raising factor, λ , the pressure drop raising factor, β , and the pressure drop raising exponent, γ , and the applicability of the model is experimentally investigated. …

    Earozoru Kenkyu 17(3), 185-190, 2002-09-20

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