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1)  pressure vibration
压力振动
1.
In the paper,the pulsing pressure vibration is creatively superposed to the flowing melt,and originates the study on melt properties through pressure vibration.
在熔体的流动过程中叠加脉动的压力振幅,研究了压力振动场对聚合物熔体的流动性能的影响。
2)  pressure oscillation
压力振动
1.
5 cm was heated by pulsed electrical current, the pressure oscillations during noisy film boiling was measured by a pressure sensor, and at the same time, the pressure oscillation at different bath tem.
5cm的小试样,同时用一个压力传感器测量了在不同氦浴温度下噪声沸腾时的压力振动,并对不同氦浴温度下噪声沸腾的压力振动曲线进行了详细的分析。
3)  vibration pressure
振动压力
1.
Using the self-made vibration injection device to realize pressure vibration at low frequency,effects of vibration frequency and vibration pressure on yield strength of injected dumbbell samples were explored.
利用压力振动注射实验装置 ,实现低频率的压力振动注射 ,探讨了振动频率、振动压力对哑铃注射试样屈服强度的影响 ,发现LDPENA5 41注塑件的屈服强度最大增幅为 14 。
2.
The research results showed that the structure and properties of MMWPP specimen were close associated with process conditions in the process of injection molding,such as vibration pressure,melt temperature.
研究表明:所得中等分子量PP试样的结构与性能与注射成型过程中的工艺条件有密切关系,如:振动压力、熔体温度等。
4)  pressure vibrating energy
压力振动能
1.
The concept and formula of pressure vibrating energy which is a new identifying parameter are given.
根据球振动模型的能量分析导出识别模型,同时给出识别参数—压力振动能的概念和表达式,通过信号分析实现模型的量化。
5)  pressure vibration injection molding
压力振动注射
1.
Various vibration molding techniques, including oscillation packing injection molding, shear vibration injection molding, and pressure vibration injection molding were introduced.
对本课题组多年来进行的动态保压注射成型、剪切振动注射成型和压力振动注射成型研究进行了简要总结。
6)  dynamic pore water pressure
振动孔隙水压力
补充资料:点振子振动和点电极振子振动
分子式:
CAS号:

性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

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