The structure change is presumed in liquid PbSn alloys, and depends on the heating rate, thermal history and components and so on.
研究中发现在连续升温过程中合金液发生了结构转变，其转变程度与升温速率、热历史和合金组成等因素有关。
This instrument can be used for study on the structure of mother liquor grown high temperature crystals and the change of structure during the liquid solid phase transfer.
该装置可用于研究高温晶体生长过程中母液相的结构以及固-液相转变过程中结构的变化。
The results reveal that the change of flow ways of liquid copper can evidently refine the grain size and improve the distributed uniformity of solidified structure.
结果表明，改变铜液流动方式能够细化晶粒，提高凝固组织的均匀性。
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