• This paper presents principally the fabrication procedures of lead Josephson. tunnel junctions formed by thermal oxidation in high purity oxygen and reports some experimental results.

    本文主要介绍高纯氧化制作约瑟夫隧道方法以及一些实验结果

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  • A new square lead shield room has been introduced in this article. It is used as the shield room of coaxial high-purity germanium detector.

    本文介绍一种组合式方形屏蔽设计,用作同轴高纯探测器屏蔽室。

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  • The high purity, high surface area, large pore volume and proper pore structure of active carbon as a support for ruthenium catalyst usually lead to high catalytic activity for ammonia synthesis.

    具有纯度高比表面孔容合理分布活性炭载体有利于活性组分有效均匀的分散,制备出高活性合成催化剂

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  • The optimum conditions for determining trace of cobalt and nickel in high purity lead by FAAS were studied.

    研究了火焰原子吸收法分析高纯痕量测定条件

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  • This paper analyses the causes for lead exceeded of high purity cathode copper, introduces the measure to solve and the results achieved.

    分析高纯阴极超标原因介绍了解决措施取得效果

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  • PV Ribbon, TUI oxygen-free copper belt high purity 99.99%, smooth, brilliant, cleaning, plated by dipping with tin and lead with different chemicals compositions.

    涂锡是由纯度达99.99%的TUI无氧铜材制成,产品表面光滑、平整,色泽均匀。在铜线表面敷了以及其他化合物

    youdao

  • PV Ribbon, TUI oxygen-free copper belt high purity 99.99%, smooth, brilliant, cleaning, plated by dipping with tin and lead with different chemicals compositions.

    涂锡是由纯度达99.99%的TUI无氧铜材制成,产品表面光滑、平整,色泽均匀。在铜线表面敷了以及其他化合物

    youdao

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