The NGK battery is a cylinder with sodium in the center, separated from molten sulfur by a ceramic membrane that allows the passage of sodium ions to create the battery's current.

日本研究理事会生产的电池是圆筒状的，中心里的钠由一个允许钠离子通过而产生电流的陶制薄膜分开。

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Cylinder is executing element of air pressure system. Proportional valve is the control element. A dynamic integral separated PID algorithm control press.

压力系统采用气动回路，气缸作为执行元件，比例阀为控制元件，使用动态积分分离算法闭环控制。

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This paper calculate inherent frequency of the free vibration of the cylinder shell with the theory of the separated variable method on the basis of displacement model.

以位移模型为基础，用有限元中的分离变量法的理论，求解了圆柱壳自由振动的固有频率，计算结果与壳体解析解相一致。

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