1) diaphragm
[英]['daɪəfræm] [美]['daɪə'fræm]
振膜
1.
The influence of material properties of the diaphragm to the electret condenser microphone is analyzed.
讨论了驻极体电容传声器的生产中作为零件的振膜在制成中的材料特性对驻极体电容传声器的影响。
2.
Detailed discussions on material of electreted-board and diaphragm are discussed, and the study will be a instruction to the process of producing ECM.
分别对组成ECM的背极材料、振膜材料进行了较为详细的讨论,这种讨论对ECM的生产是有指导意义的。
2) oil whip
油膜振荡
1.
On-line elimination of oil whip by passive electromagnetic damper;
被动式电磁阻尼器在线消除油膜振荡研究
2.
Elimination of oil whip online by additional bearing static load;
通过附加轴承静载荷在线消除油膜振荡故障
3.
Fault diagnosis,cause analysis,and treatment of oil whip for Wangting 9F gas-steam combined cycle units
望亭电厂9F燃机油膜振荡故障诊断及原因分析和处理
3) vibration caul
振动胎膜
4) liquid membrane oscillation
液膜振荡
5) polarizing film
偏振薄膜
1.
Spreaded the liquid on glass substrates,simultaneously directionally sheared to induce orientation with another slide,polarizing film were prepared after the solvent evaporated at room temperature.
将溶液在玻璃衬底上展开,同时在其上覆盖另一载玻片进行摩擦涂膜并剪切诱导分子取向分布,溶剂自然蒸发后形成固态偏振薄膜。
6) oil-film oscillation
油膜振荡
1.
On the basis of wavelet packet decomposition technique introduced firstly, the measured unstable oil-film oscillations of single-disc and single-span rotor system were investigated.
在介绍小波包分解原理的基础上 ,对试验测得的单盘单跨转子系统的油膜振荡非平稳信号用小波包分解方法进行了研究。
2.
In this paper we majorly discuss the mechanics of the oil whip, and its influencing factor, and the method to detect oil whip and to avoid the occurrence of oil whip, so as to prevent the generation of the oil-film oscillation, raise the usage and productive efficiency, improve the stability of equipment operation, reduce the failure of the electric device.
油膜振荡是造成传动机械滑动轴承处出现较多故障的原因之一,本文重点对传动机械的油膜振荡的机理研究及影响因素进行分析,以便尽可能地避免油膜振荡的产生。
补充资料：振膜式传感器
以圆形恒弹性合金膜片为敏感元件的谐振式传感器。膜片的固有振动频率随膜片上所受压力的变化而变化，通过相应的测量电路就可获得与被测压力成一定关系的频率信号。振膜式传感器广泛用于压力测量，它由空腔、压力膜片、振动膜片、激励线圈、拾振线圈和放大振荡电路组成(见图)。在空腔受压力影响时,压力膜片即发生变形,装在压力膜片支架上的振膜则因支架角度改变而发生刚度变化。膜片的振动频率取决于振膜的刚度、压力膜片和支架的刚度。在振膜的两侧分别放置激励线圈和拾振线圈。工作时，激励线圈接通交变电流而使膜片产生振动，拾振线圈则将所感应的振动信号送往放大振荡电路，该信号经放大后又正反馈给激励线圈，使振膜保持它固有频率的振动。激励线圈和拾振线圈还可以用两个压电元件代替，其结构也可做成使振膜直接感受被测压力。作为拾振器的压电元件利用正压电效应将振动信号送往放大器，该信号经放大后又正反馈到作为激振器的压电元件，利用逆压电效应产生振动激励以维持膜片的振动。为提高稳定性，压电元件的固有振荡频率应远离振膜的固有振荡频率，并设置高频衰减网络抑制高频振荡。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条