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high purity lead 高纯铅
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.
本文主要介绍用高纯氧热氧化制作铅约瑟夫逊隧道结的方法以及一些实验结果。
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铅屏蔽室的新设计，用作同轴型高纯锗探测器的屏蔽室。
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.
具有高纯度、高比表面、大孔容及合理孔分布的活性炭载体有利于活性组分有效均匀的分散，制备出高活性的氨合成钌催化剂。
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