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field parameters     
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  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
短句来源
     Spectral Properties and Crystal Field Parameters of the Cr~(3+) Ions in Ca_3Al_2Ge_3O_(12)Germanate Garnet
     Ca_3Al_2Ge_3O_(12):Cr~(3+)的光谱性质及晶场参数计算
短句来源
     Crystal Field Parameters of NdP_5O_14 Crystals
     NdP_5O_(14)晶体的晶场参数
短句来源
     STUDY OF THE Cs_5Eu (N_3)_8 CRYSTAL FIELD PARAMETERS
     CS_5Eu(N_3)_8的晶场参数研究
短句来源
     DOUBIE-SPECTRA AND LIGAND FIELD PARAMETERS OF Mn ̄(2+) IN LnMgB_5O_(10):Mn(2+)(Ln=La,Gd,Y,Ce)
     LnMgB_5O_(10):Mn~(2+)(Ln=La,Gd,Y,Ce)体系中Mn~(2+)的双重谱与配位场参数
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  场参量
     In this papar,the trigonal crystal field parameters of the Cr 3+ -K + vacancy in KZnF 3:Cr 3+ have been studied using the Newman superposition model.
     用Newman的叠加模型研究了KZnF3:Cr3+晶体Cr3+—K+空位的三角晶场参量
短句来源
     An Investigation of the Trigonal Crystal Field Parameters of the K +-Vacancy for Cr 3+ Doped KZnF 3 Laser Crystal
     掺杂KZnF_3:Cr~(3+)激光晶体K~+空位三角晶场参量研究
短句来源
     In the calculations, the tetragonal field parameters D_s and D_t are determined from the superposition model and the local structure of the impurity center; and the core polarization constant κ ≈0.286. Based on the studies, it is found that the calculated values show good agreement with the experimental data.
     其中的四角晶场参量D_s、D_t由重叠模型和杂质中心的局部结构计算,A因子公式中的芯区极化常数κ≈0.286。
短句来源
     The results show that we can acquire high fidelity exportation of the light field with selecting the parameters of entangled atom pair and binomial light field parameters,and function time of the light and atom.
     结果表明:选取恰当的初始原子纠缠参量和初始二项式光场参量,以及控制好相互作用时间,可以获得光场的高保真输出.
短句来源
     By numerical method, the influences of field parameters and Kerr effect on the atomic population inverse and average photon number are discussed detailedly.
     采用数值计算的方法 ,详细讨论了光场参量和Kerr效应对原子布居反转和平均光子数的影响 .
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  场参数的
     INFLUENCE OF HIGH PRESSURE ON CRYSTAL FIELD PARAMETERS FOR GdOBr:Eu
     压力对GdoBr:Eu晶场参数的影响
短句来源
     Aim To calculate and analyze the thermal radiation characteristics of smoke from exhaust pipes of tanks Methods First, to calculate theoretically the fluid field parameters and geometry of smoke using fluid mechanics and then to calculate the radiation brightness and the intensity of smoke using the modern molecular radiation theory and the radiation transmission theory Results The error between theoretical and actual values is small Conclusion This method may provide a good theoretical basis for the infrared radiation characteristics model of tanks
     目的对坦克尾喷烟的热辐射特征进行了计算分析.方法首先用流体力学理论计算出喷烟的流场参数和几何尺寸,在已知流场参数的基础上,再使用近代分子辐射理论和辐射传输理论计算出喷烟的辐射亮度,进而给出其辐射强度.结果理论值和实测值比较,误差不大.结论这种计算方法可以给坦克红外辐射特性建模提供很好的理论依据.
短句来源
     Two Dimentional Analysis of the Finite Coil Thickness Effect on the Field Parameters of the Deflection Field in a Magnetic Deflection System
     磁偏转系统中有限线圈厚度对偏转场场参数的影响
短句来源
     In the research on improper vectors correction, the algorithm of vectors correction, namely the correction by filtering in frequency domain and the correction based on continuity equation, and the algorithm of flow field parameters is also researched.
     在对错误矢量进行修正的研究方面,建立了实现速度矢量修正的算法,即频域低通滤波修正方法和基于连续性方程的修正方法,并对一些流场参数的分析算法进行了研究;
短句来源
     The correlation equation between the Nusselt number of heat transfer and the field parameters is derived when gas flow through tube bundles in transverse direction, and the Field Coordination Principle is analyzed and validated by numerical simulation.
     对气流横向冲刷管束换热这种比较复杂的流动形式,推导出了气流横向冲刷管束换热时的传热努塞尔数与场参数的关系表达式,用数值模拟的方法对场协同原理进行了分析与验证.
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  光场参数
     In this paper,we have studied the photon bunching and anti bunching effects in the process of squeezed coherent state interacting with a three level cascade atom inside a high Q cavity filled with a Kerr medium. The influences of the field parameters and the Kerr medium on the photon bunching and anti bunching effects have also been discussed.
     研究了充满Ker介质的高Q腔中压缩相干态与级联三能级原子相互作用过程中光子的聚束与反聚束效应.讨论了光场参数及Kerr介质对光子的聚束与反聚束效应的影响.
短句来源
     In this paper,the photon statistical evolution in the interaction of squeezed coherent state with a three-level cascade atom inside a high Q cavity in a Kerr medium was studied. The influence of the field parameters, the Kerr medium and the coherent vibration amplitude on the mean photon number has also been discussed.
     本文研究了存在Kerr介质的高Q腔中压缩相干态与级联三能级原子相互作用的光子统计演化规律,讨论了光场参数、Kerr介质及相干振幅对平均光子数的影响.
短句来源
     The effects of field parameters and detuning parameters on fidelity have also been studied.
     研究了光场参数和失谐量对保真度的影响。
短句来源
     The influence of field parameters on the atomic-dipole squeezing is also discussed.
     讨论了光场参数对压缩效应的影响.
短句来源
     In this paper, the entropy properties of a single-mode squeezed coherent field interactingwith effective two-level atom have been studied by use of the two-photon Jaynes-Cummings modelwith Stark effect. The influence of field parameters on the entropy properties is also discussed.
     本文研究了包括Stark效应时,双光子Jaynes-Cummings模型与单模压缩相干光场发生相互作用过程中场熵的特性,讨论了Stark移动参数、光场参数对场墒演化的影响.
短句来源
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      field parameters
    Time behavior of the solar wind and interplanetary magnetic field parameters is investigated for 623 magnetic storms of the OMNI database for the period 1976-2000.
          
    Under the assumption of a small gap between coaxial, infinitely conducting cylinders, the field parameters behind the discontinuity are determined.
          
    Functions of the density distribution, describing the character of changes in the stray current field parameters
          
    The theoretically estimated values of ligand field parameters such as Dq, B', and β are very close to the experimental results.
          
    The bond angles, total energy, and ligand field parameters estimated theoretically indicate that thiazolidinethione is coordinated to cobalt through its thioamide sulfur.
          
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    The electron optical properties of magnetic deflection systems are generally described in terms of the parameters H0, H2 and H4. In this paper, basing on the Biot-Savart 's law, we derive the analytical formulas for the flaring saddle coil with a single turn. And then using the method of Fourier harmonic anlysis we obtain the field-para-meters experssions for the different winding distributions. So the relations between the field-parameters and the harmonics and some useful results are...

    The electron optical properties of magnetic deflection systems are generally described in terms of the parameters H0, H2 and H4. In this paper, basing on the Biot-Savart 's law, we derive the analytical formulas for the flaring saddle coil with a single turn. And then using the method of Fourier harmonic anlysis we obtain the field-para-meters experssions for the different winding distributions. So the relations between the field-parameters and the harmonics and some useful results are obtained. These formulae are useful for designers of deflection systems in television tubes, kinescopes, radars, scanning electron microscopes and electron beam exposure equipments.

    偏转磁场的场参数H_0,H_2,H_4常用来表示偏转系统的电子光学性质。本文从毕奥-沙伐定律出发,先得出单匝喇叭状鞍形线圈场参数的解析表达式,接着运用傅里叶谐波分析法求出当线匝具有某种分布时的场参数的解析表达式,从而建立谐波分量与场参数的直接关系,并得出一些有用的结果。可用于显象管、摄象管、雷达显示管、扫描电子显微镜、电子束曝光机等的偏转线圈设计。

    The characteristic luminescence near 5000cm-1 in vanadium-activated Ⅱ-Ⅵ compounds is ascribed to the transition 4T2 (drde2)→4T1(dr2dε)within the V2+ ion which is in a crystal field of Td symmetry. According to the complete dia-gonalization calculation of energy matrix, the appropriate crystal-field parameters are derived as follows: B=0.4B0, C=5.0Band Dq =1.7B. This avoids the difficulty of "Td forbidden"which occurs in other models, and qualitatively exp -lains the main charaters of positions, intensities...

    The characteristic luminescence near 5000cm-1 in vanadium-activated Ⅱ-Ⅵ compounds is ascribed to the transition 4T2 (drde2)→4T1(dr2dε)within the V2+ ion which is in a crystal field of Td symmetry. According to the complete dia-gonalization calculation of energy matrix, the appropriate crystal-field parameters are derived as follows: B=0.4B0, C=5.0Band Dq =1.7B. This avoids the difficulty of "Td forbidden"which occurs in other models, and qualitatively exp -lains the main charaters of positions, intensities and shapes of excitation spectra of ZnS:V,CdS:V,CdSe:V and CdS:V(Cu),Furthermore, the first step correction fo-mulas of energy are derived by using the irreducible tensor method of Y.Tanabe and H.Kaminura when the symmetry is lowered from Td to C4t and the spin-orbit coupling is considered. As an example,the first step correction of CdS:V (Cu)is carried out and it is shown that the broad split of the first excitation band(8820cm-1-9500cm-1)can also be explained in this model.

    通过对T(?)对称群中V~(++)(d~8)所有能量矩阵的完全对角化计算,发现B≈0.4B。、C≈5.0B、D_q≈1.7B时的晶场跃迁~4T_2(drde~2)→~4T_1(dr~2de)能较好的拟合ZnS、CdS、CdSe等化合物中V中心在5000 cm~(-1)附近的辐射。其整个光激发谱的基本面貌也能在此模型中得到解释;进一步,还用Y.Tanabe和H.Kaminura的不可约张量法考虑了对称性降低到C_3,和旋轨耦合S·L的一级修正,结果和实验符合较好。

    In the present paper, we discuss the critical behavior of Thom-system using Catastrophe Theory. The universal critical asymptotic form of the family of free energy functions for Thom-system with one order parameter and two field parameters is obtained. The expressions of critical exponents, the scaling laws, the scaling hypotheses, all are derived from this universal asymptotic form.

    本文应用突变论(catastrophe theory)证得了Thom系统自由能函数族的普适的临界渐近形式,并从它推导了临界指数公式,标度律和标度假设。

     
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