Search Results 1-20 of 1725

  • New insights into the intraspecific cytoplasmic DNA diversity, maternal lineages classification and conservation issues of Tunisian pearl millet landraces

    Riahi Leila , Snoussi Marwa , Romdhane Mériam Ben , Zoghlami Nejia

    … Despite its genetic potential, the cropping areas of this species are still limited and scattered which increases the risk of genetic erosion. … The haplotypes median-joining network and UPGMA analyses revealed two probable ancestral maternal lineages with a differential pearl millet seed-exchange rate between the investigated areas. …

    Plant Biotechnology, 2021

    J-STAGE 

  • Use of vonoprazan for management of systemic sclerosis‑related gastroesophageal reflux disease

    Tabuchi Maiko , Minami Hitomi , Akazawa Yuko , Ashida Miwa , Hara Toshihide , Ichinose Kunihiro , Kitayama Moto , Hashiguchi Keiichi , Matsushima Kayoko , Yamaguchi Naoyuki , Takeshima Fuminao , Kondo Hisayoshi , Kawakami Atsushi , Nakao Kazuhiko

    … Although the baseline esophago-gastroduodenoscopy examination did not show severe erosion in the majority of patients,the mean total FSSG score before vonoprazan treatment was notably high (25.2±10.7) compared to a normal score of <8. … The mean improvement rate of the total FSSG, acid reflux and dysmotility scores were 60.8±21.2% (P=0.0004), 67.3±24.8% (P<0.0001) and 55.4±26.0% (P=0.0022), respectively.These results suggest that vonoprazan may be a potentially effective treatment for GERD in patients with SSc. …

    Biomedical Reports 14(2), 1-8, 2020-12-17

    IR 

  • Numerical and Experimental Analysis of Pool Boiling Heat Transfer Using Graphene Nanofluid

    Sooraj Kunnin Mukalil , Sameer Sheshrao Gajghate , Majumder Abhik , Bidyut Baran Saha , Swapan Bhaumik

    … Boiling of Nanofluid is an important area of research due to its potential to offer enhancement in heat transfer rate. … Graphene nanoparticles based nanofluid is one of the most investigated nanofluids due to its wide range of advantages such as high thermal conductivity, high stability, low erosion, higher carrier mobility etc.; … It is seen that the rate of heat transfer increases significantly with graphene nanofluids as compared to pure water as working fluid. …

    Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES) (6), 264-270, 2020-10-22

    IR  DOI 

  • METHOD TO ANALYZE SUSPENDED SEDIMENT BY MEANS OF ENTRAINMENT VELOCITY  [in Japanese]

    原田 大輔 , 江頭 進治

    水工学論文集 Annual journal of Hydraulic Engineering, JSCE 65, Ⅰ_1111-1116, 2020

  • Precise Visualization and Diagnose of Material Durability and Degradation Rate : Introduction of Thin Film Paint and Material Surface Case Example  [in Japanese]

    松原 亨

    塗装工学 = Journal of Japan Coating Technology Association 55(2), 48-59, 2020

  • Laparoscopic uterosacral ligament suspension vs laparoscopic sacral colpopexy in patients with pelvic organ prolapse: intermediate term follow-up of a retrospective study  [in Japanese]

    Hirata Go , Hotta Yuichiro , Kajiyama Ryoko , Kino Tamina , Toda Misaki , Mine Yuko , Ogawara Yuki , Maruyama Yasuyo , Hirabuki Tomoo

    … There was no difference in the surgical time (147.4±30.9 vs 150.9±31.4 min, P=0.82) and blood loss (28.1±53.3 vs 27.5±43.5mL, P=0.68) between the groups, and neither group developed postoperative complication, including mesh erosion and infection. … Furthermore, the retreatment rate including reoperation and pessary was significantly higher in the L-USLS group than in the LSC group (19% vs 0%, P=0.039). …

    JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY 36(2), 130-135, 2020

    J-STAGE 

  • ASSESSMENT OF TURBIDITY CHANGE IN RESERVOIRS UNDER FUTURE CLIMATE CHANGE IN JAPAN  [in Japanese]

    UMEDA Makoto , YASUMATSU Rikushi

    <p>　近年，気候変動の影響により局所的豪雨が頻発するようになり，貯水池内の濁度の上昇や濁水放流の長期化が問題となっている．貯水池での濁水現象は，年間湖水回転率や土砂生産量といった貯水池，集水域の特性から影響を受けるため，気候変動の影響を検討する際にもこれらを考慮することが求められる．そこで本研究では日本全国30のダム湖を対象として鉛直一次元モデルを用いた気候変動下における貯水池内濁水 …

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 76(5), I_151-I_157, 2020

    J-STAGE 

  • Study on progressive failure of a landslide dam  [in Japanese]

    TAKAYAMA Shoki , FUJIMOTO Masamitsu , SATOFUKA Yoshifumi

    … There are three types of a process leading to landslide dam outburst : erosion due to overtopping, instantaneous slip failure, and progressive failure. … Numerical simulation models of erosion due to overtopping and instantaneous slip failure have been previously developed. … Furthermore, the large-scale slip of a landslide dam increased the peak discharge rate. …

    Journal of the Japan Society of Erosion Control Engineering 72(5), 3, 2020

    J-STAGE 

  • Analytical tool of evolution of topography and repository depth to assess impacts of uplift and erosion for HLW disposal  [in Japanese]

    YAMAGUCHI Masaaki , KATO Tomoko , SUZUKI Yuji , MAKINO Hitoshi

    <p>　地層処分の性能評価における隆起・侵食の影響の検討では，地下水流動や処分場から地表への核種移行経路などへの影響の観点から，地形と処分場深度の変化が重要となる．本研究では，初期の地形や隆起速度等の条件や評価期間の想定に対して地形と処分場深度の変化を効率的に評価するためのツール（地形・処分場深度変遷解析ツール）を，簡易的な地形発達シミュレーションモデルを組み込んだArcGISのモデル …

    Journal of Nuclear Fuel Cycle and Environment 27(2), 72-82, 2020

    J-STAGE 

  • Effects of forest floor cover and horizontal step works made from thin logs on the surface soil movement in sugi (<i>Cryptomeria japonica</i> (L.f.) D. Don) and hinoki (<i>Chamaecyparis obtusa</i> (Siebold et Zucc.) Endl.) plantations  [in Japanese]

    SHIMADA Hiromasa , NUMAMOTO Shinya , NONODA Toshiro

    <p>地質条件が異なる3カ所のスギ・ヒノキ人工林に設けた試験地において土砂移動レートを3年間測定し，林床被覆と間伐木を利用した筋工が表土移動に及ぼす影響を検討した。試験地別，筋工有無別に林床被覆率と土砂移動レートの関係を指数式で近似したところ，いずれにおいても林床被覆率が高いほど土砂移動レートが低くなる傾向がみられた。筋工有区の土砂移動レートは筋工無区よりも低かったが，林床被覆率が低い …

    Journal of the Japanese Society of Revegetation Technology 46(1), 63-68, 2020

    J-STAGE 

  • IMPROVEMENT OF ARTIFICIAL REEF USING CADMAS-SURF AND BOUSSINESQ MODEL  [in Japanese]

    TAKAGI Toshimitsu , MATSUSHIMA Saburo , ZAHA Takehito

    <p>　人工リーフは水面下の構造物であることから景観に配慮した海岸保全施設として一時広く普及した．しかし，波浪は低減できるものの，天端上での砕波によって誘発される流れのため背後の土砂の安定性に対しては効果が発揮しずらいことが，その後の事例等で明らかとなってきた．そのことから人工リーフの構造改善のためクレスト型人工リーフなど，様々な改善が試みられているが必ずしも効果が発現されていない．こ …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 76(2), I_715-I_720, 2020

    J-STAGE 

  • THREE-DIMENSIONAL MORPHOLOGICAL MODEL WITH SHORELINE CHANGE IN CONSIDERATION OF SEDIMENT TRANSPORT IN SWASH ZONE  [in Japanese]

    MIKI Shuhei , KUROIWA Masamitsu , KAJIKAWA Yuki

    <p>　近年の海岸保全事業においては，台風の強大化に伴う高波や海岸構造物周辺に発生する複雑な流れによる突発的な砂浜の決壊，将来の海面上昇や波浪特性の変化などによる汀線後退などの問題がある．そのため，構造物周辺や汀線近傍での局所的で複雑な波と流れを計算し，より精度のよい海浜変形予測を行うことが必要不可欠である．そこで本研究では，遡上域における漂砂量を考慮した新たな3次元海浜変形モデルを構 …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 76(2), I_499-I_504, 2020

    J-STAGE 

  • DEVELOPMENT OF IN-SITU MEASUREMENT DEVICE FOR MODEL PARAMETERS OF MUD RESUSPENSION ON SEABED  [in Japanese]

    YANO Shinichiro , ABE Teppei , MATSUYAMA Akito , IDE Takahito

    <p>　沿岸域における底泥輸送の数値計算を行う上で，重要な物理過程である再懸濁（巻き上げ）について，最もよく使われるフラックス式であるAriathurai-Partheniades式中のモデルパラメータである限界せん断応力と浸食速度パラメータを現地で効率よく測定できる装置の開発を試みた．この装置は，入手が容易な汎用型の機器類や材料で容易に作成できる．また，極力小型で軽量にし現地での取り …

    Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 76(2), I_798-I_803, 2020

    J-STAGE 

  • Surgical Management of Aortoenteric Erosion Due to Pulsatile Stress After Aneurysm Repair: A Case Report

    Kunioka Shingo , Kitahara Hiroto , Ohira Seima , Tada Yuki , Akasaka Nobuyuki , Kamiya Hiroyuki

    … <p>Secondary aortoenteric fistula or erosion (SAEFE), an abnormal connection between the aorta and gastrointestinal tract, is a rare but critical complication after abdominal aortic aneurysm repair. … However, this is extremely invasive and has a high mortality rate. …

    Annals of Vascular Diseases 13(3), 355-357, 2020

    J-STAGE 

  • A CFD Study on Refractory Wear in RH Degassing Process

    Wang Qiang , Jia Shuyuan , Qi Fengsheng , Li Guangqiang , Li Yawei , Wang Tao , He Zhu

    … The wall shear stress and turbulence intensity were employed to predicate the erosion rate of the lining refractory, while the diffusion coefficient of the refractory material and the slag property at high temperature were used to consider the corrosion rate. … The effects of the operational parameters on the refractory wear rate were clarified. …

    ISIJ International 60(9), 1938-1947, 2020

    J-STAGE 

  • A feasibility study on essential oil extraction from vetiver planted as green belts  [in Japanese]

    SUWA Ryuichi , OOMIJA Kodai , NISHIHAR Takashi , TAKAHASHI Masahiro , SUMI Hidekazu , TONOOKA Yuki , KAWANO Emiko

    <p>沖縄県における海洋汚染の主たる原因の一つとして，畑地からの赤土流出が挙げられる。これらの赤土流出保全のため沖縄県においてはベチバー（<i>Vetiveria zizanioides</i>）がグリーンベルトとして広い地域に植栽されている。本研究では，このグリーンベルトとして栽培がされているベチバーから精油の採油が可能であるか，また，市販の精油との比較，さら …

    Japan Journal of Aromatherapy 21(3), 19-23, 2020

    J-STAGE 

  • Bullous pemphigoid developed during administration of Pembrolizumab : A case report  [in Japanese]

    SATAKE Kosuke , SUWA Manabu , OMODAKA Toshikazu , SATO Yuki , MIYAKE Tomomi , USHIKI Atsuhito , KINIWA Yukiko , OKUYAMA Ryuhei

    <p>80歳代，男性。切除不能非小細胞肺癌に対してペムブロリズマブの投与を開始した。2回目投与後に痒みが出現し，6回目投与後にびらんを伴う浮腫性紅斑が出現した。病理検査で，好酸球浸潤を伴う表皮下水疱を認めた。蛍光抗体直接法でC3，間接法でIgGが表皮基底膜部に線状に沈着していた。血中抗BP180抗体は25 U/mLであった。ペムブロリズマブ開始前の抗BP180抗体は陰性であったことから …

    Skin Cancer 35(1), 6-11, 2020

    J-STAGE  Ichushi Web 

  • Experimental approach for understanding the dynamic behaviors of bentonite buffer piping erosion

    ISHII Tomoko , KAWAKUBO Masahiro , KOBAYASHI Ichizo , NIIBORI Yuichi

    … However, in practical construction, we should also consider bentonite buffer piping erosion, a phenomenon in which the buffer surface is destroyed by groundwater flowing between the buffer and rock. … Such piping erosion may be a serious issue for maintaining an engineered barrier for radioactive waste in the geological system. … In this study, the dynamic behaviors of piping erosion were experimentally investigated. …

    Mechanical Engineering Journal 7(3), 19-00469-19-00469, 2020

    J-STAGE 

  • Effects of rainfall intensity and permeability on the development of experimental landform  [in Japanese]

    Ouchi Shunji Ouchi

    <p>断片的証拠しか残されていないことが多い地形発達を理解するためには、経過を詳しく観察・計測できる地形発達実験がよい手掛かりとなると考え、降雨侵食と隆起による地形発達実験を長年にわたって続けてきた。地形発達実験を実際の地形発達の解釈に利用するためには、いろいろな条件下での実験を重ね、その全体像を理解することが必要であるが、実験の遂行には膨大な時間が必要なだけでなく解決すべき技術的問題 …

    Proceedings of the General Meeting of the Association of Japanese Geographers 2020s(0), 333, 2020

    J-STAGE 

  • Verification of Cavitation Damage Prevention of Mixed Flow Pump Impeller by Trailing Edge Shape Modification  [in Japanese]

    SAKUTA Minoru , OGURA Koji , INOUE Hiroshi

    … <p>Among mixed flow pumps used in various applications, movable-blade type mixed flow pumps have advantages, that is, maximizing the pump efficiency and the suction performance by adjusting the blade angle appropriate to the operating discharge flow rate. … However, we have experienced the severe cavitation erosion in the impeller of this type of pump. …

    Turbomachinery 48(2), 78-84, 2020

    J-STAGE 

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