330 research outputs found

    Investigation on Design, Fabrication and Hydrolysis Properties of Al-(Bi, Sn) Based Composite Powders

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    铝水解制氢技术因具有成本低、效率高、安全性高、环境友好等特点而备受关注。然而在实际应用过程中,铝基水解制氢材料会与空气中的氧气反应,在表面生成一层致密的Al2O3钝化膜,降低反应活性。本研究采用CALPHAD方法设计合金成分,利用气雾化制粉技术制备了Al-(Bi,Sn)基复合粉体,并考察了复合粉体的水解制氢性能、抗氧化性能及其反应机理,最后探索了复合粉体在氢氧燃料电池上的应用。所取得的主要研究结果如下: (1)采用CALPHAD方法,通过计算相图以及两液相的体积分数,设计并制备了一系列Al-(Bi,Sn)基复合粉体。研究结果表明,在Al-Sn合金中仅能得到Sn-rich相在Al-rich相的...Hydrogen generation using aluminum-water reaction has drawn a lot of attention for its low cost, high efficiency, safety and environment-friendship. In practical uses, however, Al-based hydrolysis materials will react with oxygen in the air, forming dense Al2O3 passivation film on the surface and lose reactivity. In this work, taking Al-based liquid-phase-separation system as research object, Al-(...学位:工学博士院系专业:材料学院_材料学学号:2072012015331

    Prevention of radiation esophagitis by polaprezinc (zinc L-carnosine) in patients with non-small cell lung cancer who received chemoradiotherapy

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    岐阜大学(Gifu University)博士(医学)博士論文 (Doctoral dissertation)doctoral thesi

    産科婦人科学

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    燉煌発掘写経の研究補遺

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    犢子部の「我」に就いて

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    二王尊のこと

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    産科婦人科学

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