The higher impurity composition of tower shell material was the main reason occurring the crack of this type.
而塔体材料中较高的杂质成分，是引起这种开裂的最主要原因。
Therefore, it is of great significance to study the cooling tower shell with initial geometrical imperfections.
因此对有初始几何缺陷的冷却塔风筒壁的分析研究是很有必要的。
DJ-3 type tray and patent distributor were adopted to replace the original float valve trays without altering the tower shell.
采用DJ - 3型塔盘及DJ - 3型专利技术分布器替换了原浮阀塔板，实现了不动塔体的技术改造。
This article analyses the leakage reason of ammonia synthetic tower shell by NDT, presents that the equipment's design, manufacture and application should be strictly controlled and managed.
本文对氨合成塔筒体泄漏进行无损检测分析，提出了在设备设计、制造和使用过程中应严格控制和管理。
This paper is concerned with a numerical solution of hyperbolic cooling tower shell, a class of full nonlinear problems in solid mechanics of considerable interest in engineering applications.
本文采用有限元数值分析方法对土木工程中的大型钢筋混凝土双曲冷却塔壳的非线性稳定问题作了具体的数值计算。
This paper is concerned with a numerical solution of hyperbolic cooling tower shell, a class of full nonlinear problems in solid mechanics of considerable interest in engineering applications.
本文采用有限元数值分析方法对土木工程中的大型钢筋混凝土双曲冷却塔壳的非线性稳定问题作了具体的数值计算。
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