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- 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。
- 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.
- Strength - The strength of the field effect. 强度-场的影响强度。
- 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。
- Yet this diffusion must take place against the frozen field effect. 可是，这种扩散必须在冻结磁场效应的背景下发生。
- Main Transistor: Schottky, MOS field effect, the three-regul... 深圳市中芯半导体发展有限公司>>类别：其他三极管广东省-深圳市2008-11-0811:43
- crystal field effects 晶体场效应
- Thin film transistor(TFT)is one type of field effect transistors(FET). 薄膜晶体管(TFT)是众多场效应晶体管(FET)中的一种。
- Many new technologies are helpful to biosensor develop,such as field effect transistor(FET),fiber optics tuber(FOS),surface audio wave(SAW),quartz crystal resonator(QCR),surface plasmon resonce(SPR). 最初,以酶电极的生物传感器开始,逐渐扩展到多种技术,如,离子敏场效应管、光纤、声表面波、石英晶体谐振器及表面等离子体谐振技术将生物传感器的发展推向一个新的阶段。
- 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。
- 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。
- 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。
- Experiment on the field effect of Lorsban combined with BetaCypermethrin against Pieris rapae L. 毒死蜱与高效氯氰菊酯复配对菜青虫的田间药效试验。
- Abstract: By theoretical analysis and experiment, it has been proved that injection photodetector is not a MOS field effect structure. 文摘:通过理论分析和实验证明了注入光敏器件并不是一种MOS场效应结构，对文献[9]中得出的不同的结论和所讨论的问题阐述了自已的见解。
- Because the molten iron in the core is a good electrical conductor, the field is trapped in the fluid, the frozen field effect. 因为地核里的熔解铁是良好的电导体，磁场被限制在流体内，这便是冻结磁场效应。
- The paper describes a two-input NOR circuit that is formerd by the capacity diode field effect logic circuit (CDFL). 叙述了用电容二极管场效应逻辑电路形式制作的二输入或非门电路。
- 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。
- The temperature field effect of DEFAE is more significant than that of SEFAE and TNT. DEFAE的温度场效应要比SEFAE、TNT高;
- 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。
