dipole是什么意思？

dipole

英[ˈdaɪpəʊl] 美[ˈdaɪpoʊl]

• n. 双极子，偶极，振子，偶极子；

例句

• In a spherical nucleus, the coupling term implies an interweaving of the quadrupole and dipole motion. 对球形核中的耦合项意味着四级运动和偶极运动间的交织.
• Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules. 禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁.
• 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.
• The elastic interaction between a wedge disclination dipole and an interfacial crack was investigated. 研究了材料中楔型向错偶极子与界面裂纹的弹性干涉效应.
• We now show how to calculate molecular dipole moments from wave function. 我们现在说明如何从波函数来计算分子的偶极矩.
• Only magnetic dipole and higher multipole configuratons occur in nature. 自然界中只能出现磁偶极子以及磁多极子的形式.
• The dipole does not radiate energy in the direction of its axis. 偶极子在它的轴的方向上不发射能量.
• 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.
• The coaxial collinear printed dipole structure used to improve gain and arrays with good coherence. 采用新型同轴直排印刷振子天线结构,易于提高增益和组阵,具有良好的一致性.

英英词典释义

• Noun
  1. a pair of equal and opposite electric charges or magnetic poles separated by a small distance
  2. an aerial half a wavelength long consisting of two rods connected to a transmission line at the center

行业词典

• 化工： 偶极；
  医学： 偶极子：这种分子有两个大小相等、符号相反的电荷，其正电荷中心与负电荷中心不重合，因而使分子带正负静电荷；一对保持短距离的电荷或磁极；
  物理学： 偶极子；
  电力： 偶极子；
  电子学： 偶极子；