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spin motion
相关语句
  自转运动
     Study on the Optimum Spin Motion of Uncontrolled Rocket
     无控火箭最优自转运动初探
短句来源
  自旋运动
     Since the value of the spin angularmomentum of a celestial body has positive relationship with the value of its background angular momentum, the author suggests that the angular momentum is probably of more deep physical meaning and tries to explain some astronomical phenomena and laws from new points of view such as the mass distribution of the Galaxy, the spin motion of the nine major planets of the solar system, the extraordinary behavior of the spin motion of some planets, and so on.
     根据天体的背景角动量的数值和天体的自旋角动量的数值之间的正相关关系 ,提出了角动量在更深层面上可能具有的某些潜在的物理属性。 尝试了从新的视角解释银河系中所观测到的一些天文现象和规律 ,如银河系的质量分布规律、九大行星自旋运动规律、某些行星自旋运动的异常行为等。
短句来源
  “spin motion”译为未确定词的双语例句
     In general, the ambiguity in the phase shift analysis corresponds to the motion of spin which conserves the components of spin-tensors in the direction of momentum, and the parameters which characterize those general spin motion take the fixed values.
     物理上说,相分析中的不定性相应于自旋的某种运动,它保持自旋张量在动量方向的分量不变,且表征此种运动的参量取一定数值。
短句来源
     Rumyyantsev derived the stability condition of the spin motion of rigid body with cavities partially filled with liquid around a fixed point, that is Iz>Ix+Iq.
     导出了空腔充液刚体绕定点旋转运动的稳定性条件,即I_z>I_x+I_1。
短句来源
     Since the spin motion arised from torsion is coordinate dependent, which influences the change of magnetic field of Neutron star. The calculating conchtsions are:the magnetic field of pulsars inclines to its rotating direct- ion at the age of 10~6-10~7yr.
     由于挠率对自旋进动影响是坐标相关的,这将导致中子星磁场的变化,计算结果表明:脉冲星磁场倾向于转动方向,其演化尺度是10~6年至10~7年.
短句来源
     It was found that the combustion synthesis is characterized by a nonsteady combustion mode,which leads to oscillatory and spin motion.
     其燃烧模式为振荡燃烧及螺旋燃烧。
短句来源
  相似匹配句对
     Study on the Optimum Spin Motion of Uncontrolled Rocket
     无控火箭最优自转运动初探
短句来源
     The construction of the spin of the motion and one particle states
     运动自旋和单粒子态的构造
短句来源
     ON THE ELECTRONIC SPIN
     关于电子自旋两则
短句来源
     In concrete motion.
     在具体行动上。
短句来源
     On“The Measures of Motion
     关于“运动的量度”
短句来源
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  spin motion
The quantum-mechanical equation is obtained for the spin motion in the Foldy-Wouthuysen representation; it is consistent with the classical Bargmann-Michel-Telegdi equation.
      
The quantum-mechanical and semiclassical equations of spin motion are derived.
      
A solution of the equation of spin motion (the Bargmann-Michel-Telegdi equation) for the case of motion of a magnetic top in a constant uniform electromagnetic field is derived with the help of the algorithm constructed.
      
This study investigates observed interactions between second-order optical biharmonics with difference frequencies characteristic of intra-molecular spin motion.
      
In conclusion we present spin motion equations for a particle with electric and magnetic charges.
      
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Starting from the conditions which should be satisfied by the existence of different choice in the phase shift analysis, in this paper the general ambiguity in the analysis of elastic scattering of particles with arbitrary spins has been discussed. The transformation matrices among the different sets of phase shift are given, the real parameters involved are determined by the system of second order algebraic equations. The problem of ambiguity in the phase shift analysis therefore is reduced to the problem of...

Starting from the conditions which should be satisfied by the existence of different choice in the phase shift analysis, in this paper the general ambiguity in the analysis of elastic scattering of particles with arbitrary spins has been discussed. The transformation matrices among the different sets of phase shift are given, the real parameters involved are determined by the system of second order algebraic equations. The problem of ambiguity in the phase shift analysis therefore is reduced to the problem of finding the teal roots of those equations. The number of different sets of real roots is twice that of different phase shift choice. Therefore, the kinematical ambiguity in the phase shift analysis in general is solved. When the channel spin is 1/2, it has been shown that only two sets of phase shift exist; when the channel spin is 1, only two sets of phase shift are given also, therefore it has been shown that the Minami's ambiguity is the whole ambiguity in these cases. When the channel spin is 3/2, it has been found that there are four different sets of phase shift. Therefore, in addition to the known transformation there are two new transformation matrices in that case. In general, the ambiguity in the phase shift analysis corresponds to the motion of spin which conserves the components of spin-tensors in the direction of momentum, and the parameters which characterize those general spin motion take the fixed values. In our discussion it has been shown that the systems of algebraic equations which are satisfied by the real parameters in the transformation matrices in the whole integral spin cases are quite different from that in the half integral spin cases. Therefore, the numbers of real roots in those two cases are also different, this means that the numbers of different phase shift sets are quite different. From the properties of those algebraic equation it has been suggested that the ambiguity in the case of integer spin is much smaller than that in the case of half integer spin.

从散射过程的相分析中存在不同的相移的选取所必须满足的条件出发,在本工作中,讨论了任意自旋粒子的弹性散射过程的相分析中的不定性问题。给出了全部不同的相的集合之间的变换矩阵,其中所含的实参数由二阶代数方程组决定,因此相分析中的不定性问题化为解这些代数方程的实根的问题。指出此实根的组数之半即为相分析中不同选取的组数。这样,相分析中的运动学不定性问题已完全解决。当道自旋为1/2时,只存在两组不同的相移,当道自旋为1时,也只有两组不同的相移,因此证明了,已知的南氏不定性是这样的自旋值下的全部不定性。在道自旋为3/2时,给出了四给不同的相移。因此除已找出的相移间的变换外,还存在两种新的变换。物理上说,相分析中的不定性相应于自旋的某种运动,它保持自旋张量在动量方向的分量不变,且表征此种运动的参量取一定数值。从讨论中得出,道自旋为整数的情况和为半整数的情况,相移的变换矩阵中所含的实参数所满足的代数方程组具有十分不同的性质,因此实根的组数也不同。这表示,道自旋为整数和为半整数的情况的相移的不同选取的组数也完全不同。一般的推测是,道自旋为整数的情况时的相移不同选取要比为半整数时的少很多。

The Rattleback or Celt stone is a certain kind of an asymmetrical rigid body, which, if placed on a rough surface and caused to spin in a particular direction about a vertical axis, will quickly stop spinning and will then oscillate about a horizontal axis and start to spin-reverse. If the rattleback is caused to oscillate about a horizontal axis, then the oscillation will be quickly converted into a spinning motion about a vertical axis. In this paper a dynamical explanation of the strange...

The Rattleback or Celt stone is a certain kind of an asymmetrical rigid body, which, if placed on a rough surface and caused to spin in a particular direction about a vertical axis, will quickly stop spinning and will then oscillate about a horizontal axis and start to spin-reverse. If the rattleback is caused to oscillate about a horizontal axis, then the oscillation will be quickly converted into a spinning motion about a vertical axis. In this paper a dynamical explanation of the strange behavior of the rattleback is given and the results of analysis are confirmed by the experiments and the numerical calculations.

退旋刚体是一种特殊的非对称刚体,它在粗糙平面上绕垂直轴朝某个特定方向旋转时会迅速停止此旋转,同时绕水平轴发生摆动,继而转变为倒退旋转。如果令刚体绕某水平轴摆动,则会迅速转变为绕垂直轴的旋转运动。本文对退旋刚体的奇异现象提出一种动力学解释,分析结果与实验现象和数值计算结果一致。

Rumyyantsev derived the stability condition of the spin motion of rigid body with cavities partially filled with liquid around a fixed point, that is Iz>Ix+Iq. This paper extends his method and derives the stability condition for the spin Spacecraft with Cavities partially filled with liquid, that is I2>Ix+I2. I1 and I2 are positive definite functions of the spacecraft parameters. Typical examples demonstrate that the difference between I1 and I2 could be significant for certain parameters. This...

Rumyyantsev derived the stability condition of the spin motion of rigid body with cavities partially filled with liquid around a fixed point, that is Iz>Ix+Iq. This paper extends his method and derives the stability condition for the spin Spacecraft with Cavities partially filled with liquid, that is I2>Ix+I2. I1 and I2 are positive definite functions of the spacecraft parameters. Typical examples demonstrate that the difference between I1 and I2 could be significant for certain parameters. This paper also presents a Steady State Solution of the Spin motion under the assumption that the cavities are positioned Symmetrically about the spin axis with slight errors. It is pointed out that the dynamic imbalance is amplified due to fluid migration between the cavities.The second part of this paper derives the general solution of Stability condition for three dilTerent types of communication between cavities. The influencs of pressed gas in the cazities on stability is taken into account for simple connected cavities.

导出了空腔充液刚体绕定点旋转运动的稳定性条件,即I_z>I_x+I_1。本文推广他的方法,导出了空腔充液自旋卫星的稳定性条件,即I_z>I_x+I_2。I_1及I_2是卫星参数的正定函数,且I_2

 
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