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密度标度
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  density scale
     By comparing the calculated k_s with the experimental results,when σ_2=5.63A and ion's diameter is in electronic density scale, the agreement between theory and experimental result is good.
     由理论值和实验结果比较得出:当σ_2取5.63A、离子半径取电子密度标度时,理论值与实验值符合得较好。
短句来源
     The quasi-ste dy density profile determined by the ponderomotive force in a laser plasma is studied. The dependences of the local density scale length, the lengths of upper and lower density shelves and the average density scale length at lower shelf on the incident light intensity and time are derived.
     本文研究了激光等离子体中由有质动力决定的准稳态密度分布,导出了局域密度标度长度、上、下密度平台长度和下平台平均密度标度长度对入射光场强和时间的依赖关系。
短句来源
     It is shown that after the quasi-steady state is reached, with the lapse of time the lengths of upper and lower density shelves and the average density scale length at lower shelf rise, and the density scale length in the critical density region increases slightly.
     结果表明,在达到准稳态后,随着时间的推移,上、下密度平台的长度和下平台平均密度标度长度增大,而临界密度区域的标度长度仅微小地增加,这些结果与实验及粒子模拟相一致。
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  “密度标度”译为未确定词的双语例句
     At higher energy region,scattering rates are normalized by the final density of states.
     在高能区的散射率采用态密度标度化来实现。
短句来源
  相似匹配句对
     SEISMICITY SCALE
     地震活动性的标度
短句来源
     DENSITY OF THE EARTH
     地球的密度
短句来源
     Density of utility.
     效用密度
短句来源
     ON MAGNITUDE SCALES
     震级的标度
短句来源
     Electronegativity Scale of Elements Calculated by Density Functional Theory and Related Methods
     以密度泛函理论及相关方法计算电负性标度
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  density scale
The rather simple "difference formula" in the range of high D2O-concentration together with a density scale for pure D2O gained by interpolation suffice for most practical purposes.
      
A general principle is outlined: the coupling phases are strongly dependent on density scale heights and perturbation scales, while the amplitudes are little affected by these two factors.
      
Comparisons of recent data of density scale height at 544-877 km with CIRA model
      
In order to obtain the observed scale height at high altitude a calculation method has been derived for determining density scale height from the difference between two satellite's heights.
      
According to the difference of the orbital heights of these two balloon satellites from 19 September 1990 to 9 March 1991, 67 values of density scale height at heights of about 544-877 km were determined.
      
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The differential cross section and total cross section of high-energy electron impact excitation can be calculated by Born approximation. The differential cross section is propotional to the so called generalized oscillator strength. The target atom or ion may be excited to infinite number of bound states and adjoint continuum states which can be treated in an unified manner by Quantum Defect Theory. Thus, we define generalized oscillator strength density (GOSD) as the generalized oscillator strength per unit...

The differential cross section and total cross section of high-energy electron impact excitation can be calculated by Born approximation. The differential cross section is propotional to the so called generalized oscillator strength. The target atom or ion may be excited to infinite number of bound states and adjoint continuum states which can be treated in an unified manner by Quantum Defect Theory. Thus, we define generalized oscillator strength density (GOSD) as the generalized oscillator strength per unit of excitation energy. We have calculated the GOSD's of the lithium-like isoelectronic se-quence(Li, Be+, B++, C3+, Ne7+, Na8+, K16+) for excitation from the ground state to S, P, D and F channels. The scaling relation along isoelectronic sequence is discussed.

利用Born近似可以计算高能电子与原子或离子碰撞激发的微分截面和总截面。微分截面正比于广义振子强度。电子碰撞过程可将靶原子或离子激发到无数个束缚态以及相应的连续态。量子亏损理论能够统一处理这些激发态;因此可定义广义振子强度密度——即每单位激发能内的广义振子强度。我们计算了Li的等电子系列Li,Be~+,B~(++),C~(3+),Ne~(7+),Na~(8+),K~(16+)等从基态到S,P,D,F通道的激发的广义振子强度密度,总结了类Li等电子系列离子的广义振子强度密度的标度关系。

The quasi-ste dy density profile determined by the ponderomotive force in a laser plasma is studied. The dependences of the local density scale length, the lengths of upper and lower density shelves and the average density scale length at lower shelf on the incident light intensity and time are derived. It is shown that after the quasi-steady state is reached, with the lapse of time the lengths of upper and lower density shelves and the average density scale length at lower shelf rise, and the density scale...

The quasi-ste dy density profile determined by the ponderomotive force in a laser plasma is studied. The dependences of the local density scale length, the lengths of upper and lower density shelves and the average density scale length at lower shelf on the incident light intensity and time are derived. It is shown that after the quasi-steady state is reached, with the lapse of time the lengths of upper and lower density shelves and the average density scale length at lower shelf rise, and the density scale length in the critical density region increases slightly.

本文研究了激光等离子体中由有质动力决定的准稳态密度分布,导出了局域密度标度长度、上、下密度平台长度和下平台平均密度标度长度对入射光场强和时间的依赖关系。结果表明,在达到准稳态后,随着时间的推移,上、下密度平台的长度和下平台平均密度标度长度增大,而临界密度区域的标度长度仅微小地增加,这些结果与实验及粒子模拟相一致。

The salt effect coefficients (k_s) of nonelectrolyte solute dissoving in nonaqueous electrolyte solutions, which is composed of salt (NaI,or KI) and sulfolane, was calculated by the scale particle theory. Considering the distribution behavior of the particles in solution and the forms of molecular interactions,we calculated K_s in different ways. 1. The term of hard sphere interaction (k_α) was calculated by Masterton -Lee's equation. The term of soft sphere interaction (k_β) was treated by Y. Hu's radial distribution...

The salt effect coefficients (k_s) of nonelectrolyte solute dissoving in nonaqueous electrolyte solutions, which is composed of salt (NaI,or KI) and sulfolane, was calculated by the scale particle theory. Considering the distribution behavior of the particles in solution and the forms of molecular interactions,we calculated K_s in different ways. 1. The term of hard sphere interaction (k_α) was calculated by Masterton -Lee's equation. The term of soft sphere interaction (k_β) was treated by Y. Hu's radial distribution funtion method, ie.take the first coordination circle as in-order, and out of the circle as random mixing. Fur-thermore, we take the following interaction form into calculation, dipole-dipole, dipole-induced dipole, dipole-charge of ion and charge-induced dipole. The results shown that the treatment method used is better than others. 2. The molecular hard sphere diametere σ and energy parameter e/k were obtained from various empirical equations. These equations contain some parameters which can be got easily. By comparing the calculated k_s with the experimental results,when σ_2=5.63A and ion's diameter is in electronic density scale, the agreement between theory and experimental result is good.

本文应用定标粒子理论计算了非电解质溶质在盐(NaI、或KI)和环丁砜组成的非水电解质溶液中溶解度的盐效应常数。硬球作用项采用Masterton-Lee的方法。软球作用项采用胡英等的径向分布函数处理方法,并考虑进了偶极-偶极、偶极-诱导偶极、电荷-偶极和电荷-诱导偶极等相互作用。分子的硬球直径σ和能量参数∈/k由经验方程计算。由理论值和实验结果比较得出:当σ_2取5.63A、离子半径取电子密度标度时,理论值与实验值符合得较好。

 
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