An structure analysis in columnar power house of Extension Project of Dahua hydropower station is made by 3d element program and considering three different water levels.
对大化水电站扩建工程的圆筒式厂房，在3种不同水位下，通过三维有限元程序，进行了结构分析，结果表明圆筒结构合理。
Analysis shows that the solidification cracking was always formed and developed along film-like sulphides at columnar grain boundaries.
分析认为，凝固裂纹是沿偏聚在柱状晶晶界的低熔点膜状硫化物形成并扩展的。
Microstructure analysis by FE-SEM indicated that the ha particles were rod and columnar, some of the powder agglomerating.
FE -SEM显微结构研究表明样品中HA颗粒形貌为棒状和圆柱状，有部分团聚现象。
Microstructure analysis by FE-SEM indicated that the ha particles were rod and columnar, some of the powder agglomerating.
FE -SEM显微结构研究表明样品中HA颗粒形貌为棒状和圆柱状，有部分团聚现象。
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