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- crystal field parameter 晶场参数
- FLUORESCENCE SPECTRA AND CRYSTAL FIELD PARAMETERS OF Na_5 Eu(MoO_4)_4 AND Na_5Eu(WO_4)_4 Na_5Eu(MoO_4)4和Na_5Eu(WO_4)_4的荧光光谱和晶场参数
- Crystal Field Parameters and Energy Levels of Sm~(3+) Ions in SmP_5O_(14) Crystal Smp_5O_(14)晶体中Sm~(3+)离子的能级和晶场参数
- Because Eu2+ is surrounded by host ions, mixed states of 4f5d will be split by the crystal field and the luminescent wavelength will be changed. 由于Eu2+被基质离子所包围,基质离子所产生的晶体场使Eu2+离子的4f65d混合能级劈裂,从而改变发光的波长。
- Based on fractal dimension, an adaptive selection approach to Gibbs random field parameter for binary sketch of grey image is presented in this work. 本文研究采用分层吉布斯随机场模型实现图像二值化时吉布斯模型参数的选取方法 .;根据分形维数反映图像复杂程度的特性;定义了吉布斯模型参数与分形维数的关系;从而实现了吉布斯模型参数的自适应选取
- The ESR spectra of BaCl2: Eu powder showed that Eu2+ ion substituting the ion Ba2+ is situated in a crystal field of the orthorhcmbic symmetry. 制备和用X射线分析BaCl_2:Eu微晶的结构,并测量它的电子自旋共振(ESR)谱,结构分析和ESR谱都表明,替代Ba~(2+)的Eu~(2+)离子是处在轴对称的正交晶场中;
- Molecular Orbital Theory and Crystal Field Theory demonstrated the possibility of the complextion reaction between L-Cys and hemoglobin. 运用分子轨道杂化理论和配合物晶体场理论论证了半胱氨酸和血红蛋白之间发生配位反应的可能性。
- Hence it wasfound that the promotion effect of the first transition series ions was qualitalively relat-ed to its crystal field stabilization energy (CFSE). 而且发现,第一过渡金属离子的助催化作用与它的晶体场稳定化能(Crystal Field Stablization Energy,CFSE)有关。
- The crystal field effect of rare-earth ions in crystal, due to the screening effect of 5s2, 5p6 lamella, can only produce very faint perturbation to 4f electrons. 晶体中的稀土离子，由于5s2,5p6壳层的屏蔽作用，晶场作用只对4f电子产生很弱的微扰，因此，它们的光谱和自由离子情况很相似，晶场对能级的影响只在几百个波数范围。
- Due to the change of the crystal field, their orientational orders are distinctly different from those in bulk system, and some unique phenomena appear. 由于外部晶场环境的改变,这两种体系的分子取向序与宏观C60晶体材料有着明显不同,并且出现了一些特殊现象。
- The flow field parameter distribution can be affected more in upper stream, especially near the leading edge area while the mach number distribution of the upstream blade surface is affected little. 对上游进口段，特别是靠近叶片前缘区域流场参数分布有较大影响，但对于上游叶片表面马赫数影响不大。
- This paper discusses the critical behaviors and magnetic properties of the spin-1 bond and crystal field dilution Blume-Emery-Griffiths (BEG) model on simple cubic lattice within the framework of effective field theory (EFT). 本文在有效场理论的框架内，基于简立方晶格讨论了自旋为1的键和晶场稀疏Blume-Emery-Griffiths(BEG)模型的临界行为和磁学性质。
- On the basis of perturbation theory, HMO method is used to calculate d~ configuration stabilization energy (i. e crystal field stable energy, CFSE) which in some cases should be considered in determining molecular structure of coordination compounds. 根据微扰理论,用HMO法计算了各种d~n构型的稳定化能(即晶体场稳定化能,CFSE),这是在若干化合物决定构型时须予考虑的另一因素。
- The characteristic of flow field on the hydrofoil surface under different flow field parameters was tested using PIV. 利用PIV流场测试仪测试不同流场参数下翼型表面流场的流动特性；
- The EPR spectrum of the Gd( III ) complex exhibits the "U" spectral feature and "zero field effect". On this" basis, the crystal field strength and the local symmetry around Gd3+ in the complex have been discussed. 研究了Gd配合物的EPR谱;呈“U”谱特征;并出现“零场效应”;据此讨论了配合物中晶体场强度及Gd~(3+)周围的局部对称性.
- The effects of geomagnatic field parameters in directional drilling,selection of non magnet... 探讨了地磁场参数在定向钻井中的作用、无磁钻铤长度的选择、测量数据的比较等问题。
- An analytical treatment fsr a Strong Crystal field in an Octahedral Symmetry by using the unitary group approach is given. It Shows that the convenience of the Unitary group opproach is comparable with that of the Racah method. 应用酉群方法对强晶体场的八面体对称问题进行解析处理,表明酉群方法和Racah方法同样有效。
- The DFT approach for LJ fluid is simple, quantitatively accurate in a wide range of coexistence phase and external field parameters. 所得的LJ流体的密度泛函近似计算简单，精确。
- Hansch C., Leo A. and Taft R. W., “A Survey of Hammett Substituent Constants and Resonance and Field Parameters,” Chem. Rev., 91, pp. 165-195, December 1991. 洪永叁，周宥佑，“超强炸药：高环张力的多硝基笼状化合物”，化学，第五十八卷，第二期，第40-42页，2000。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
