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1)  shaft inherent frequency
固有扭频
2)  torsional inherent frequency
扭转固有频率
1.
The critical transverse speed,power response and torsional inherent frequency of shafts for the Three Gorge water-turbine generator set were calculated with transfer matrix under the condition of taking account of many factors effecting on shafts,stability such as unbalanced quality,electromagnetism and water power.
用传递矩阵方法计算了三峡水轮发电机组轴系横向临界转速、动力响应和扭转固有频率,考虑了质量不平衡、电磁不平衡、水力不平衡等影响轴系稳定性的多种因素。
3)  Torsional vibration/Natural frequency
扭转振动/固有频率
4)  nature frequency
固有频率
1.
The mode and nature frequency of pinned-pinned pipes conveying fluid with elastic foundations;
弹性地基两端铰支输流管的模态和固有频率
2.
Experimental research on nature frequency of prestressed concrete beams;
预应力梁固有频率的试验研究
3.
The nature frequency,vibration pattern,and dynamic performance torsion moment of a rolling mill's main drive system are computed with the master and dependent DOF model built by using the master and dependent DOF method to link a speed-down machine's high speed part to low speed part as well as a gear's driver wheel to driven wheel.
使用主从自由度法实现轧机主传动系统中减速机高速端和低速端、齿轮机座主动轮和从动轮之间的连接,建立主从自由度模型计算某轧机主传动系统的固有频率、振型及其在咬钢冲击载荷作用下的响应扭矩,并与分支式模型所得结果进行比较。
5)  natural frequency
固有频率
1.
Research on natural frequency and vibration model of coke drum structure;
焦炭塔结构的固有频率和振型研究
2.
Improved Calculation Method of the Natural Frequency of Spherical Tanks in Anti-Earthquake Design;
抗震设计中球罐固有频率的改进计算方法
3.
Influence of drilling fluid on natural frequency of drill string lateral vibration;
钻井液对钻柱横向振动固有频率的影响
6)  Inherent frequency
固有频率
1.
The influence of high temperature in deep holes on inherent frequency of drill string lateral vibration;
深井高温对钻柱横向振动固有频率影响研究
2.
Analysis of the inherent frequency of water in a cylinder pipe;
充液直圆管道水体固有频率分析
3.
Approach to inherent frequency analysis of elastic mechanism based on virtual prototyping;
一种基于虚拟样机的弹性机构固有频率分析的新方法
补充资料:固有磁矩
分子式:
CAS号:

性质:又称固有磁矩。电子自旋磁矩称为电子的本征磁矩(intrinsic magnetic moment)。电子本身带负电荷、运动时就形成轨道磁矩和自旋磁矩。电子轨道磁矩和自旋磁矩的总和称为原子的本征磁矩。具有封闭电子壳层的原子的本征磁矩为零。磁化起因于铁氧体中铁离子的磁矩。过渡族和稀土族离子都有净磁矩,因为离子包含奇数的电子。无磁场时,这些磁矩取向混乱,不显示磁性,而在外磁场作用下,这些磁矩就会沿外磁场方向择优排列而产生净磁化强度。有时把这种未被抵消的磁矩称为永久磁矩。凡是离子具有填满的电子壳层,几乎都呈现抗磁性。可见磁矩的强弱及其在外磁场作用下的排列情况对净磁化强度有重要影响。在陶瓷材料中,电子轨道基本上被晶格固定并受化学键束缚,以致轨道磁矩抵销。这类材料的磁矩的主要贡献来源于电子的自旋,并可自由地对磁场取向。物质中按磁矩的排列状况,分为铁磁性、反铁磁性和亚铁磁性等。

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