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[期刊论文] 作者：YUAN Li-Na,LIN Yan,
来源：自动化学报 年份：2006
The problem of controlling a single-input-single-output plant without prior knowledge of high frequency gain sign is addressed by using the model reference...
Microstructure evolution of eutectic Nb-24Ti-15Si-4Cr-2Al-2Hf alloy processed by directional solidif
[期刊论文] 作者：Zhen Li,Sai-Nan Yuan,Li-Na Jia,Bin Kong,Zhen Hong,Hu Zhang,,
来源：Rare Metals 年份：2017
In this work, the near-eutectic Nb–24Ti–15Si–4Cr–2Al–2Hf(at%) alloy was directionally solidified at 1900 ℃ with withdrawal rates of 6, 18, 36, 50 mm·min~...
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