Limerick 发表于 2025-3-26 22:03:32

Defining the strategic businessesractions of these metals with zinc. Existing data relating to the V-Zn, Nb-Zn, and Ta-Zn systems are incomplete and inaccurate. The most extensive and detailed investigations into these systems have been conducted by Shubert and others . Table 1 gives the structural characteristics of intermet

让你明白 发表于 2025-3-27 04:34:20

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upstart 发表于 2025-3-27 08:18:35

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LINE 发表于 2025-3-27 11:18:35

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跑过 发表于 2025-3-27 17:25:39

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词汇 发表于 2025-3-27 21:11:45

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易受骗 发表于 2025-3-28 00:47:37

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Gratuitous 发表于 2025-3-28 04:24:00

Development of strategic planningtherefore extremely important to conduct further investigations into the development of methods of differential electrochemical analysis for steels and alloys containing the σ phase and also other phase constituents.

Spinous-Process 发表于 2025-3-28 07:13:26

Method of Quantitative X-Ray Analysis for Determining the Amount of Free Carbon in Boron Carbide,l-known chemical methods: the direct determination of C., and an indirect determination based on the overall composition (B. and C.). The direct chemical analysis for C. is based on treating the boron carbide with a chromic mixture and plotting a graph of the amount of CO. evolved against the period

Exhilarate 发表于 2025-3-28 11:56:18

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查看完整版本: Titlebook: Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tu; G. V. Samsonov (Director) Book 1972