method and apparatus of production in varying pituuksina periodically coming putkituotteen breakdown in the optional metre

• 1. 一种喷砂强度可周期性变化的喷砂设备 [P] . 中国专利： CN112157593A . 2021-01-01
• 2. 承压设备周期性变化压力作用疲劳失效试验装置 [P] . 中国专利： CN100590413C . 2010.02.17
• 3. method and apparatus of production in varying pituuksina periodically coming putkituotteen breakdown in the optional metre [P] . FI20031184A0 . 2003-08-22

  机译： 可选仪表中周期性变化的pituuksina生产方法和设备

• 4. METHOD FOR MEASUREMENT OF ALTERNATING VOLTAGE AMPLITUDE OF SIGNAL COMING FROM ALARM SENSOR OF GAS CENTRIFUGE ROTATION, WITH APPLICATION OF THIS SIGNAL FREQUENCY METRE [P] . 俄罗斯专利： RU2383028C2 . 2010-02-27

  机译： 气体离心旋转报警器测量信号交变电压幅值的方法及其应用

• 5. method for production of periodically varying loading of test samples in a hydraulically driven materialprüfmaschine and device for implementation of this procedure. [P] . 瑞士专利： CH154863A . 1932-05-31

  机译： 用于在液压驱动的材料机械中周期性变化地加载测试样品的方法以及用于执行此程序的设备。

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• 5. Method and apparatus for varying thermal conductivity Patent [R] . Lindberg, J. G. 1966

• 1. 自旋为１／２的粒子在周期性变化磁场中的Ａｈａｒｏｎｏｖ－Ａｎａｎｄａｎ相位 [C] . 阎凤利 . 第五届全国磁学理论讨论会 . 1995
• 2. 连续流模式下膜生物反应器中好氧颗粒污泥的培养及其生命周期性变化的研究 [A] . 代陈程 . 2020