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   横向扰动 的翻译结果: 查询用时:0.219秒
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横向扰动
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  lateral disturbance
     Using the energy principle and taking into account the propagation and reflection of stress waves the lateral disturbance equation was derived and the power series solution was given. In addition the critical buckling condition can be obtained from stability analysis of the solution.
     基于能量原理,考虑了弹塑性应力波的传播与反射,建立了弹塑性杆在刚性块轴向撞击下的横向扰动方程,给出了问题的级数解,由解的稳定性得到了发生屈曲时的临界条件;
短句来源
     The equation of lateral disturbance used to analyize the problem is developed by taking into account the effect of elastic-plastic stress wave.
     考虑了弹塑性应力波传播对屈曲的影响,建立了该问题横向扰动方程.
短句来源
     The interaction of two level parallel pipe jacking is analyzed; and the calculation of lateral disturbance scope is advanced.
     对水平平行双线顶管之间的相互作用进行了分析,提出了横向扰动区范围的计算公式。
短句来源
  “横向扰动”译为未确定词的双语例句
     Ion acoustic solitary waves in a weakly relativistic plasma under transverse perturbations
     弱相对论等离子体横向扰动下的离子声孤波
短句来源
     In chapter two, the (3+1) dimensional weakly nonlinear ion acoustic wave at higher order transverse perturbations in plasma was discussed and described by the Kadomtsev-Petviashvili (KP) equation.
     论文第二章研究了等离子体中横向扰动下的(3+1)维弱非线性离子声波,得到了描述离子声孤波的(3+1)维KP方程。
短句来源
     The temperature of dust grains, low temperature and high temperature ions and the number densities of the ions influence the property of dust acoustic waves.
     热尘埃等离子体中的非线性尘埃声孤波在高阶横向扰动下是稳定的,且尘埃颗粒的温度、低温离子和高温离子的温度和数密度影响尘埃声波的性质。
短句来源
     Prediction of wave propagation in multi-walled carbon nanotubes examined using a multiple-elastic-shell model
     多壁碳纳米管横向扰动波传播的研究
短句来源
     A constant viscosity mantle convection model is developed into a variable viscosity model assumed a latitude-dependent viscosity with small fluctuations on the basis of a constant background value.
     2) 、 建立了一维粘度扰动下的变粘度模型。 通过假定粘度为常粘度背景下存在仅随纬度变化的小横向扰动,将常粘度模型发展为变粘度地幔对流模型。
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  相似匹配句对
     The coupling between the transverse velocity and electromagnetic perturbation is considered.
     考虑了横向扰动速度与电磁场扰动的耦合。
短句来源
     Disturbed Estimation for Horizontal Motion of Shipping Based on Extended Kalman Filter
     基于扩展卡尔曼滤波的船舶横向运动扰动估计
短句来源
     AGGREGATION OF SIMULATION AND INFINITESIMAL PERTURBATION ANALYSIS IN DISCRETE EVENT DYNAMIC SYSTEM
     离散事件动态系统扰动仿真
短句来源
     The disturbances in the equator is faint.
     赤道上扰动微弱。
短句来源
     Suppression of transverse stimulated Brillouin scattering
     横向受激布里渊散射的抑制
短句来源
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  lateral disturbance
The equation of lateral disturbance used to analyze the problem was developed by taking into account the effect of elastic-plastic stress wave.
      


In order to analyse the conveetive instability of force free magnetic field, an exact solution of MHD equation, the magnetic field (1) together with the flow field (2) of constant speed V0 making an angle 8 with the magnetic field, was chosen as the unperturbed state. The stability of the fields between two parallel conducting walls of seperation d was studied by linear perturbation method which led to the eigenvalue problem (12), X being given by (13). It was shown by variational approximate method that instability...

In order to analyse the conveetive instability of force free magnetic field, an exact solution of MHD equation, the magnetic field (1) together with the flow field (2) of constant speed V0 making an angle 8 with the magnetic field, was chosen as the unperturbed state. The stability of the fields between two parallel conducting walls of seperation d was studied by linear perturbation method which led to the eigenvalue problem (12), X being given by (13). It was shown by variational approximate method that instability will set in by the flow field, if V0 is greater than Alfven velocity VA. For B=V02/VA2 < 1/3, the stability of force free field (1) is not influenced by the flow field, which may still be significant in other respects. The perturbations transverse to the magnetic field were found to be the most unstable modes.

从准确的MHD方程组出发,本文用线性微扰法研究了无力磁场(1)与流场(2)偶合后的稳定性.求得的色散关系依赖于流速V_0与Alfven速度V_A的比值,变分近似计算给出不稳定产生的充要条件为β=1/3.与磁场正交的横向扰动是最不稳定的模式.

The electric and magnetic field energy of perturbed modes in the filanienta-tion instability is studied by the statistical method. The coupling between the transverse velocity and electromagnetic perturbation is considered. It is concluded that the ratio of the energy of long-wavelength perturbed magnetic field near the cyclotron frequency to the transverse thermal energy of beam electrons decreases with the cubic power of the applied longitudinal magnetic pressure.

本文用统计方法讨论了丝化不稳定性扰动电磁场模式的能量。考虑了横向扰动速度与电磁场扰动的耦合。发现在有外加强纵向磁场时,在回旋频率附近长波模扰动磁能与京电子横向热能之比随纵向磁场压强的三次幂减少。

In this paper, the form of umbral dots of sunspot was satisfactorily explained by a mechanism of local perturbations in a magnetic tube of sunspot along with the theory of Petschek's neutral sheet. On the other hand, the special properties of umbral dots of sunspot such as the temperature, magnetic field and its life-time were estimated by Petschek's formulae. The obtained results were agreed fairly well with observations.

本文假设在太阳黑子磁管内出现局部横向扰动磁场,然后利用中性片理论较为满意地解释了黑子本影点的形成.并利用Petschek的理论公式估算了本影点的温度、磁场和寿命,所得结果与观测值符合较好.

 
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