振动频率

白云母八面体位置中杂质阳离子和OH伸缩振动频率的关系

The relationship between OH stretch vibration frequency and impurity cations in Muscovite octahedron

U形管热交换器振动频率的研究

An investigation on vibration frequency of U-tube heat exchanger

当振动频率约为1.4周/秒时，峰的位置在500°K附近。

Iron-nickel alloys . At a vibrational frequency of 1.4 cycles per sec . , the peak occurs at about 500 ° K.

第2部分.给出了网架固有振动频率的拟夹层板法算法和ANSYS模态分析算法。

Part 2 . Equivalent sandwich plate and ANSYS modal analysis are used in the calculation of free vibration .

x&y记录代自动绘出随振动频率变化的机械阻抗曲线，f～V/F曲线。

With X-Y recorder automatically plots the mechanical impedance curve , which changes with frequencies of the vibration , namely the f V / Fcurve .

硝酸甲酯与硝酸乙酯的结构、振动频率和热力学性质的密度函数理论（DFT）研究

Density Functional Theory ( DFT ) Studies on Molecular Geometries , IR Frequencies and Thermodynamic Properties of Methyl and Ethyl Nitrates

我们根据价轨道电子密度图解释了NO吸附后振动频率红移的原因，这个解释完全不同于传统认为的3d对2π的反馈键理论。

According to the electron density figures of valence orbital , we gave an explanation of the variation of vibration frequencies , much different from that traditional which is mainly 3d-2 feedback theory .

在确定的振动频率下，梨振动至失去商品性时的振动次数N，与振动积累加速度g0存在一定的对应关系。

There was a certain relationship between vibration times N and its accumulated acceleration g_0 as pears lost their marketability at a definite frequency .

算例中利用Ritz法求得了简支核-壳纳米线的屈曲临界荷载和自由振动频率。

Critical buckling loads and resonant frequencies of simply supported nanowires are obtained by using the Ritz method .

采用ANSYS有限元软件对茅草街钢管混凝土拱桥的振动频率及振型进行了分析，并讨论了主要结构参数对其动力特性的影响，为本桥的动力设计提供参考。

The ANSYS software is utilized for calculating the vibrating frequencies and vibration shapes and discussing the effect of major structural parameters on dynamic characteristics for the dynamic design of this bridge .

一个计算A-H键振动频率的经验公式

A Formula for the Calculation of Vibration Frequency of A-H Bond

A-H键振动频率

The Vibrational Frequency of the Chemical Bond A-H

IR测量表明，Ti-O键伸缩振动频率随x增加而增加。高压高温可以改变Ti离子的价态。

The valence state of Ti ions can be altered by high pressure and high temperature . IR measurement indicates that the frequency for vibration of Ti-O bond increases as x increase [ WT5HZ ]

PCT梁的跨中横向振动频率明显偏低，只有参考值的40%~50%；

The lateral vibration frequency of PCT beam mid-span is obviously on the low side and is only 40 & 50 percentage of the reference value .

对液压AGC系统油缸的固液系统结构振动频率和振型，进行了理论研究和有限元计算。

For solid and fluid system structure vibration natural frequency and its mode shopes of hydraulic AGC system capsule , a theoretic analysis and calculation with finite element method have been done .

以往按照程应镗先生给出的FR型防振锤设计计算数学模型，计算得出的防振锤一频（垂直）振动频率，与实际试验结果差异较大。

Based on Mr. Chen Ying-tang 's FR-type damper design model , the calculated first order vibration frequency ( vertical ) has large differences from to experiment data .

引用以前别人的核磁共振实验数据，依照我们的理论分析计算扩散激活能和H在间隙位上的振动频率；与他们用唯象理论获得的相应数值对比，结果是满意的。

Using our theory and data derived from previous work of others , we analyzed the activation energy and the attempt frequency of 1H on interstitial sites and found that our results are satisfactory as compared with the conclusion derived from the phenomenological theory .

在各种DFT方法水平上对SNO二重态的结构和振动频率进行了计算。

1.3 . The geometries and the harmonic vibrational frequencies for several SNO doublet state isomers have been predicted at density functional theory levels with a 6-311 + G basis set .

最后，完成了材质分别为LY8、20钢、45钢、T8钢等棒料在不同振动频率控制曲线下的变频振动下料试验。

Many experiments on the material of LY8,20,45 and T8 steel were conducted under the control of various vibration frequency curves .

频率计算结果与实验值一致，CO在与SiO2成键过程中，C-O伸缩振动频率有所增加，说明静电势在复合过程中起了重要作用；

Calculated frequencies agree with experiment value well , and the C-O stretch frequency increased during the binding process of CO and Si_2 indicates that static potential play important role in the binding process .

利用大型有限元商用程序ANSYS对FDY型绕线机转子部分进行有限元建模，根据FDY型绕线机转子的工作转速范围及其基本动力特性，计算出其工作范围内所对应的振动频率。

This paper builds the model of coiler 's rotor with ANSYS , and calculates the vibration frequency of coiler 's rotor in the range of its working according to the basal dynamic character .

理论计算结果表明，在Fe（100）面，H原子吸附在四重洞位，H-Fe的垂直振动频率为1009cm-1；

And our calculated results are in good accordance with the experiments . The calculated results show that H atom is located at the fourfold hollow site of the intact Fe ( 100 ) surface , the vibrational frequency is 1 009 cm ~ ( - 1 );

获得了振动频率，合因子，Franck-Condon支距和Huang-Rhys因子等位形坐标参量。

The vibrational frequency , coupling factor , Franck-Condon offset ond Huang-Rhys fact or were obtained .

在第四节中研究抛物量子点中与LO声子强耦合极化子的振动频率、相互作用能和有效质量的性质。

In section 4 , the properties of the vibration frequency , the interaction energy and the effective mass of the polaron in a parabolic quantum dot , which is a strong-coupling with LO phonon , are reached .

本文计算了基态自由基N2H（~2A′）的平衡几何、离解能、偶极矩、力常数和振动频率。

The present paper is to provide the calculated results of equilibrium geometry , energy , dipole moment , force constants and vibration frequencies for the ground state free radical N_2H ( ~ 2A ' ), from which an analytical potential function has been derived .

进行了自动开关控制设计，并设计了MCU电路控制，实现激振装置振动频率和振幅的调节控制，满足振动力量训练中附加不同频率、不同振幅的振动刺激的需要。

Finally , the design of the automatic switch control for the vibrating device is provided . Meanwhile , amplitude and vibrating frequency regulation control is designed by using MCU , which satisfy the demands of different vibrating frequency and different amplitude in vibration strength training .

在UMP2（FC）/6311++G水平上计算出了各物种的优化构型、振动频率；

The optimized geometrical parameters , and vibrational frequencies of all species were obtained at the UMP2 ( FC ) level of theory in conjunction with 6-311 + + G basis set .

系统在振动频率范围（0-30）Hz内进行了模拟实验，测量结果表明其测量曲线能够较好地反映被测物体的振动规律，验证了振动测量系统设计方案的可行性。

Through simulated measuring , the instrument is proved practicable in frequency range of ( 0-30 ) Hz . The result indicates that measuring curve of vibration can reflect the vibration regulation of the object well , and it proves that the scheme of vibration measuring system is practicable .

本研究采用毛细管脉动流变仪对石蜡-油-聚丙烯粘结剂体系的316L不锈钢粉末喂料动态流变行为进行测量和表征，并分析了振动频率和振幅对喂料的平均动态表观黏度的影响。

The rheological property of injection molding feedstock made of 316L stainless steel powders and wax-oil-Polypropylene binder was evaluated using self-made capillary dynamic rheometer , and the effects of vibration frequency and amplitude on the average dynamic apparent viscosity of feedstock were described and analyzed .

用Strouhal方程分析流体诱导振动频率，并进行防振分析，提出在换热器设计中应考虑流体诱导振动的条件，为换热器设计提供指导和参考。

The frequencies of flow induced vibration are analyzed according to the Strouhal equation . As a reference to the heat exchanger design , the requirement that the flow induced vibration should be considered is put forward .