359 research outputs found

    鼓型stent-graftを用いたtype II endoleak model作成

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    博士(医学)大阪市立大

    Fundamental Studies on the Breeding of Lodging Resistance in Maize (Zea mays L.)

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    Article信州大学農学部農場報告 6: 1-118(1992)departmental bulletin pape

    有序介孔材料与石墨化纳米点的自嵌入超组装

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    近二十年以来,介孔材料已发展成为多孔材料的最重要领域之一~(1-3)。由于其具有高的比表面积、纳米尺寸的规整孔结构、丰富可调的骨架组成和表面性质,介孔材料为实现大分子的扩散与转化、能量的高效利用与储存等提供了难得的机遇和广阔的空间,并在电池、光伏、光电子、流体器件、传感器、离子交换、药物传送和催化领域有着广阔的应用前景~(4-6)。其中,通过在介孔材料的孔道或孔墙内部引入具有不同特性的客体

    Variation of brace root davelopment in Nepalese maize (Zea mays L.)

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    Article信州大学農学部農場報告 5: 11-19(1990)departmental bulletin pape

    Inhibitory effect of buckwheat on chinese cabbage growth

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    Article信州大学農学部農場報告 4: 53-57(1986)departmental bulletin pape

    Adsorption of organic phosphorus in pesticide wastewater by CaAI hydrotalcite

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    采用共沉淀法制备了CaAl水滑石(CaAl-LDH),并运用扫描电子显微镜(SEM)和热重/差示扫描量热分析(TG—DSC)技术对CaAl-LDH的形貌及热稳定性进行了表征。采用CaAl-LDH对含膦农药废水进行除膦吸附试验,探讨了搅拌时间、pH值、CaAl-LDH的加入量对吸附性能的影响。结果表明:当CaAl-LDH的加入量为80g/L,搅拌时间为3h,pH值为6—8时,CaAl-LDH对膦的吸附性最强,废水中膦质量分数仅为0.1×10^-6。CaAl hydrotalcite (CaAl-LDH) was prepared by coprecipitation method. The morphology and thermal stability of CaAl-LDH was characterized by scanning electron microscopy (SEM) and thermogravimetry/differential scanning calorimetry (TG - DSC ). The test of phosphine adsorption removal by CaAl-LDH from phosphine pesticide wastewater was carried out. The results showed that when the addition amount of CaAl-LDH was 80 g/L, the stirring time was 3 h, and the pH value was from 6 to 8, CaAl-LDH had the strongest adsorption to phosphine, and the mass fraction of phosphine in wastewater was only 0.1× 10^-6

    信州大学農学部における国際交流の現状と課題 : 2010年2月パネル・ディスカッションから

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    要約高等教育の国際化が進む現代において,日本への外国人留学生の増加が期待されているが,信州大学農学部への留学生は年々減少している。このような現状に鑑み,農学部における留学生を増やし,国際交流を促進するための課題を明らかにすることを目的として,2010年2月にパネル・ディスカッション「信州大学農学部における国際交流の現状と課題」を開催した。ディスカッションには,信州大学農学部外国人卒業生・日本人学生・地元の留学生支援者らが参加し,主に留学生受け入れ態勢の視点から討論した。討論と質問票調査結果から,農学部が提供している留学生支援である無料日本語補講や日本人学生によるチューター制度は有効だと評価されたが,留学生は依然として①金銭的困難,②言葉の壁,③国際交流の希薄さ,に悩んでいることが浮き彫りになった。信州大学農学部における国際交流の現状改善とさらなる発展のためには,①学部内の英語化促進,②大学内外での国際交流活動のコーディネート,が必要であると考えられる。 Amidst the progression of internationalization, Japan expects an increase in the number of international students although the number of international students in the Faculty of Agriculture at Shinshu University has been decreasing. The Faculty held a panel discussion and conducted a survey of international students/graduates,a Japanese student of the Faculty,and local people in order to find the problems that international students tend to face and their possible solutions. Since language barrier limits international students' communication with Japanese students and local people, it is suggested that the Faculty should become a bridge between international students and Japanese people through international exchange and that internationalization of academic language on campus is inevitable.Article信州大学農学部紀要 47(1-2): 69-77(2011)departmental bulletin pape

    C2H2 Treatment as a Facile Method to Boost the Catalysis of Pd Nanoparticulate Catalysts

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    Zheng, NF (通讯作者)A facile method to boost the catalysis of Pd nanoparticulate catalysts by simple C2H2 treatment is developed. During the C2H2 treatment, Pd nanoparticles serve as active catalysts to polymerize C2H2 into transpolyacetylene. The deposition of trans-polyacetylene layer on Pd nanoparticles makes their surface hydrophobic. Such a hydrophobic surface modification helps to accumulate more hydrophobic substrates during catalysis, making the modified Pd nanoparticulate catalysts more active than untreated catalysts in the catalytic reaction involving hydrophobic substrates. Moreover, the coating of polyacetylene on Pd creates encapsulated Pd nanocatalysts, stabilizing Pd nanoparticles against sintering or aggregation. Since the catalytic polymerization of polyacetylene on Pd is not facet dependent, the development is readily applied to enhance the catalysis of commercial Pd nanoparticulate catalysts by simple C2H2 treatment.MOST of China 2011CB932403 NSFC 21131005 2133300
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