Infra - red absorption takes place only when there is a change of dipole moment.
红外吸收峰仅在有偶极矩变化时才能实现。
Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.
任何异核双原子分子必然具有偶极矩，因为它的两端是不同的。
Measuring the electric dipole moment, then, is the sort of thing that really floats physicists' boats.
所以测量偶极矩对物理学界来说确实是颠覆性的工作。
Phenomenological and theoretical interpretation of the dipole moment was discussed in this paper.
对偶极矩作了象观和理论上的描述。
The dipole moment of a permanent magnet for Alpha Magnetic Spectrometer (AMS) is discussed in the paper.
本文主要研究阿尔法磁谱仪(简称ams)永磁磁体的磁矩问题。
The permanent electric dipole moment (PEDM) of hydrogen atom is calculated in classical mechanics and double-wave mechanics.
用经典力学和双波量子力学计算了氢原子的固有电偶极矩。
Approximate theoretical expressions are given for dipole moment, field gradient at the nucleus, and nonlinear susceptibility of crystals.
建立了偶极矩、核四极矩偶合常数中的场梯度及晶体非线性光学系数的近似理论表达式。
The results indicate that the geomagnetic dipole moment is not always kept decreasing over the past 2000 years, but increasing during nearly 400 years.
结果表明：过去2000年中，地磁场的偶极子磁矩并非一直减小，有近400年的时间是持续增长的。
Results shown the continued attenuation of the dipole moment in the last 50 years, and the variation of spatial spectrum of geomagnetic field continuously decreased.
研究中发现最近50年偶极矩仍在继续衰减，空间功率谱的变化也呈减小趋势。
So it avoids the distortion of electric cloud distribution in basis sets and can obtain a more precise computational result of the electric dipole moment of a given system.
从而在基函数中避免了电子云分布的歪曲，使得出的体系的电偶极矩更为精确。
With geomagnetic field model records, several kinds of secular variation of geomagnetic dipole moment and the position of the geomagnetic North Pole during the year 0 ~ 2000 a.
利用地磁场模型资料，计算和分析了公元0 ~ 2000年的地磁场偶极子磁矩和地磁北极位置的长期变化。
Some parameters such as molar refractivity, frontier orbit energy, dipole moment, atom net charge of triazines were obtained by using the method of quantum-chemistry calculation.
通过量子化学计算方法得到三嗪化合物的摩尔折射率、前线轨道能量、偶极矩、原子静电荷等参数。
The existence of color-electric dipole moment will provide another source of CP-violation, which is crucial in explaining the disparity between matter and antimatter in the Universe.
色电偶极矩的存在将提供另一种CP破坏的来源，用于解释宇宙中粒子和反粒子的不对称性。
The molecular arrangement in disklike aggregate and its two dimensional equal-rate growth characteristic were deduced by using effective dipole-moment model.
结合有效偶极矩模型，推断了分子链在盘状聚集体中的排列方式及盘状聚集体的二维等速生长性质。
The molecular arrangement in disk like aggregate and its two dimensional equal-rate growth characteristic were deduced by using effective dipole-moment model.
结合有效偶极矩模型，推断了分子链在盘状聚集体中的排列方式及盘状聚集体的二维等速生长性质。
To analyze and minimally design the remnant magnetic moment (RMM) for a magnetically suspended reaction flywheel, a method based on the equivalent magnetic dipole model is proposed.
为对磁悬浮反作用飞轮的剩磁矩(RMM)进行分析及最小化设计，提出一种基于等效磁偶极子模型的剩磁矩计算方法。
Then the mode scatter of dipole antenna array is evaluated with the moment method. The piecewise sinusoidal basis functions and Garlerkin's method are used in this paper.
文中首先分析了细线天线的计算模型，然后用矩量法分析计算了振子天线阵的模式项散射。
Then the mode scatter of dipole antenna array is evaluated with the moment method. The piecewise sinusoidal basis functions and Garlerkin's method are used in this paper.
文中首先分析了细线天线的计算模型，然后用矩量法分析计算了振子天线阵的模式项散射。
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