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- The molecule has a zero time-average dipole moment. 分子按时间平均的偶极矩为零。
- An orbiting electron in an atom will have a magnetic dipole moment. 一个原子中旋转的电子会有磁偶极距。
- 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。
- An explanation of the magnitude of such a dipole moment must seal explicity with two contributing factors. 对这和偶极矩大小的解释必须明确研究两个有关的因素。
- 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 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。
- 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。
- It is shown that the molecular energy and the E(subscript gap) of HOMO and LOMO decrease and the dipole moment increase in electric field. 考察了在外电场作用下分子前线轨道能量差与炸药的电火花感度之间的关系。
- Each water molecule in that chain has a dipole moment and is polar, as the oxygen atom is more electronegative than the hydrogen atoms. 而赵亚溥课题组的模拟发现,正是该相互作用使得水偶极链很少发生翻转, 成为纳米水力发电的关键。
- When the magnetic dipole moment made by low-frequency-compensation loop was large enough, the magnitude of radiation in forward direction would be enhanced ... 当天线的低频补偿回路形成的磁偶极矩足够大时,低频补偿可增大天线主辐射方向的辐射,并改善天线低频辐射特性。
- The photophysical behaviors of DMCS and DHCS in different solvents were studied and their differences of dipole moment between ground state and excited state were calculated. 研究了DMCS和DHCS在不同溶剂中的光物理行为,估算了DMCS、DHCS的基态与激发态之间偶极矩差值。
- The nitroalkanes have high dipole moments in the range of 3. 5-4. OD. 硝基烷在3.;5-4
- The results show that the dipole moment and HOMO energy increase when the number of carbon atoms increases from 12 to 18, while the LUMO energy keeps unchanged. 伯胺阳离子碳链长度对氧化锌捕收性能的影响,主要取决于胺的偶极子和矿物之间的定向作用力。
- After formation of Sb-Cs dipole layer through alternating depostion of Sb and Cs, the photosensitivity of the cathodes depends sensitively on both the number of absorbed Cs atoms and the dipole moment of Sb-Cs dipole layer formed on Na_2KSb surface. Sb,Cs交替形成锑铯偶极层,在Na_2KSb上吸附的铯原子数和感应的偶极层的偶极矩同时影响多碱光电阴极的灵敏度。
- Wurtzite structure semiconductors, such as CdSe, exhibit strong electric dipole moment along its c-axis.It is proposed that quantum dot can be aligned along the applied field with sufficient strength. 第一种方式是先将参杂量子点样品之高分子混合腊之溶液以旋转涂布于已制作电极结构之盖玻片上,通以电场使诱发量子点转向而排列一致。
- The new method gives a satisfactory prediction for polar compounds, with only a knowledge of the critical temperature, critical pressure, acentric factor and reduced dipole moment. 在新的非极性流体预估式的基础上,应用对比态原理,给出了酮、醛、醚和含氮化合物极性流体的优化参数,并对其进行了经验关联,使本预估式能应用于大部分非氢键,弱缔合效应的极性流体。
- Light fastness of anthraquinone dyes was affected by many factors and it was mainly determined by dye structures,such as the kinds and position of substituent groups,dipole moment of the molecule. 影响蒽醌染料日晒牢度的因素有很多,主要取决于染料的分子结构,与分子中取代基的种类和位置、分子的偶极距等有关。
- Hence, by comparing the theoretically-calculated differential transition width with the experimental curve, we are able to determine the magnitude (or upper-limit) of the color-electric dipole moment. 以文中理论计算的微分跃迁宽度和实验曲线对比,即可定出色电偶极矩之上限。
- The popular methods to calculate the dipole moments and Mulliken populations of the ground and excited states are introduced, such as HF, DFT and CASSCF methods. 介绍了当前计算基态和激发态偶极矩和Mulliken集居数的方法,如HF, DFT以及CASSCF方法等。