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数值
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  numerically
    Numerically Calculating Method of Reconstruction of 3D Refractive Index Field with Multi--Directional Holography Interferometry
    多方位全息干涉重建折射率场分布的数值计算方法
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    With a large-scale Monte Carlo simulation,the aging of the two-dimensional dynamic Ising and XY models is numerically studied.
    应用动力学蒙特卡罗模拟方法,对二维Ising模型和二维XY模型的aging现象展开数值研究.
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    Based on the concept of dinuclear system,considering the strong competition between fusion and quasiffision processes,by solving the master equation numerically to calculate the fusion probability of superheavy nuclei,we have estimated the excitation functions for the reactions 50Ti,58Fe+ 208Pb,209Bi,and the experimental data are basically reproduced.
    在双核模型基础上,考虑了熔合与准裂变的竞争,通过数值法求解主方程,计算了50Ti,58Fe+208Pb,209Bi这4个反应系统通过冷熔合反应合成超重元素的激发函数,得到了与实验比较符合的结果.
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    The symplectic method is applied to solve numerically the 1D time-dependent Gross-Pitaevskii(GP) equation.
    本文采用辛算法数值求解一维含时Gross-Pitaevskii(GP)方程.
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    With dynamic Monte Carlo simulations,aging phenomena of two-dimensional Ising model and dynamic XY model were studied numerically.
    以动力学蒙特卡罗(Monte Carlo)模拟方法对二维伊辛(Ising)模型和二维经典XY模型展开了数值研究.
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  numerical value
    The numerical value solutions of dye Q-switch laser rate equations
    染料调Q激光速率方程的数值
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    A Research on the Calculation Method of the Numerical Value of the Parameters of Vapour in Thermodynamic State
    水蒸汽热力状态参数数值计算方法的研究
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    Numerical Value Calculated on Optical and Magnetic Properties of Ni(M)_4X_2 Compound by Microcomputer
    利用微机对“Ni(M)_4X_2型化合物光磁性质”的数值计算
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    Study of numerical value of helical instability of arcs in rotating magnetic field
    旋转磁场作用下电弧螺旋不稳定性的数值研究
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    Study on Optical Arrangement of Numerical Value Experimen-tiation in Measure Large Water Mist Drop Diameter
    大颗粒细水雾测量中光学系统布局的数值实验研究
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  “数值”译为未确定词的双语例句
    Theoretical and Simulated Study on the Radiation Characteristic of Random Lasers
    随机激光辐射特性的理论研究与数值模拟
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    THE U_1 GAUGE FIELD IN A SU_N GAUGE FIELD AND THE QUANTIZED VALUES OF DUAL CHARGES
    SU_N规范场中的U_1规范场和其对偶荷的量子化数值
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    CALCULATION OF THE TEMPERATURE DEPENDENCE OF THE PHONON SPECTRUM OF Nb_3Sn
    Nb_3Sn声子谱随温度变化的数值计算
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    A Numericl Method for Obtaining the Scattering Paramefers of a Linear Reciprocal Two-Port Microwave Network
    线性可逆二端口微波网络散射参数的数值解法
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    Fe~(26) Equation of State Calculation at High Density and Temperature
    高温高压下Fe~(26)物态方程数值计算
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  numerically
It is well known that Gabor expansions generated by a lattice of Nyquist density are numerically unstable, in the sense that they do not constitute frame decompositions.
      
Spherical harmonic series have many of the same wonderful properties as Fourier series, but have lacked one important thing: a numerically stable fast transform analogous to the Fast Fourier Transform (FFT).
      
Finally, we consider the spline of order 2; we investigate numerically the region of the time-frequency plane where it generates a frame and we compute the dual function for some values of the parameters.
      
This makes them numerically attractive for applications in geophysical modeling.
      
It is simple in structure, implementable, numerically efficient and has global convergence.
      
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  numerical value
A numerical value of the gas-kinetic coefficient which takes into account the effect of the curvature of the surface on the thermal slip coefficient is obtained.
      
A numerical value for the coefficient of heterogeneous recombination of chlorine atoms on glass was obtained for pure chlorine and chlorine-oxygen plasmas.
      
The stoichiometry (1 : 1) and the numerical value of the rate constant of the reaction of a fullerene with ozone (1.2 × 103 l mol-1 s-1) at 0°C were determined.
      
The NNC is a local topochemical invariant of a vertex of the molecular graph whose numerical value is a function of the total number and the composition of vertices adjacent to the given vertex.
      
The maximal numerical value is defined for the eccentricity at which a stable libration point can still exist.
      
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The density of heavy water has been determined between 25° and 100℃. Using the known data below 25°, we are able to construct a density table for heavy water between its freezing and boiling points with an accuracy of five units in the fifth decimal place. Figures are given to show the density difference between heavy water and ordinary water and also their density ratio, which tends to pass over a maximum at a temperature not far above the boiling point.

重水在50°以上,迄今尚无较为准确之测量。作者用一具16ml容量之水晶比重瓶,在25°至100℃间,测得重水之密度。茲引用25°以下已知之数值,制成一重水密度表,自其冰点迄沸点,每隔5度,列示其密度之数值。此等数值之准确度,约为十万分之五。

Some practical problems arising from the adoption of the absolute scale ol temperature as standard in place of the Celsius scale are discussed. The absolute scale is fixed by assigning a numerical value (say T_3=273.1700) to the triple point of water. The problems 'considered include the correction of gas thermometer readings, the specification of: the platinum resistance thermometer and of the platinum thermocouple. It is pointed out that, when the absolute scale has been chosen as standard, the determination...

Some practical problems arising from the adoption of the absolute scale ol temperature as standard in place of the Celsius scale are discussed. The absolute scale is fixed by assigning a numerical value (say T_3=273.1700) to the triple point of water. The problems 'considered include the correction of gas thermometer readings, the specification of: the platinum resistance thermometer and of the platinum thermocouple. It is pointed out that, when the absolute scale has been chosen as standard, the determination of the absolute temperature of the ice point and the correction of gas thermometers become one and the same task. It is further pointed out, that the accuracy in the experimental determination of the absolute temperature will be greatly increased.

本文对在给定水的三相点的绝对温度以一定的数值(例如T_3=273.1700),同时以绝对温标代替摄氏温标以后所引起的一些实际问题作了讨论。这些问题包括气体温度计的改正及电阻温度计和温差电偶温度计的规定。本文指出,在以绝对温标为标准以后,寻求冰点的绝对温度与对气体温度计的改正两种工作统一起来了。又指出,在以绝对温标为标准以后,绝对温度测量的精确度将大大提高。

The absorption spectra of cadmium sulphide single crystals were observed with natural light and polarized light, one piece of the crystals having a thickness of about 0.1 mm and another about 0.05 mm. At room and liquid air temperatures, the absorption spectra observed with natural light indicate that the wavelength of the long wavelength limit of Cd S depends upon the thickness and the temperature of the crystals. A change of the wavelength of the absorption edge which depended upon the orientation of the electric...

The absorption spectra of cadmium sulphide single crystals were observed with natural light and polarized light, one piece of the crystals having a thickness of about 0.1 mm and another about 0.05 mm. At room and liquid air temperatures, the absorption spectra observed with natural light indicate that the wavelength of the long wavelength limit of Cd S depends upon the thickness and the temperature of the crystals. A change of the wavelength of the absorption edge which depended upon the orientation of the electric vector of the polarized light produced by a polaroid plate placed between the crystal and the slit of the spectrograph was observed.

利用CdS单晶体,一块约厚0.1毫米,另一块约厚0.05毫米,观察它们在天然光及偏振光下的吸收光谱。在室温及液态空气温度下,天然光的吸收指示CdS晶体长波吸收边波长随厚度及温度而改变。在光谱仪狭缝前放一偏振片观察到长波吸收边波长随晶体C轴与偏振光电矢量间介角的改变。 在液态空气温度下观察CdS晶体对偏振光的吸收情况,发现在晶体本徵吸收边出现由七条强而锐的谱线组成的一个类氢光谱系。 测量结果发现每条谱线的波数满足下列公式: v_k=20270-11754/k~2(厘米)~(-1),式内k=3,4,5,…9;k=2的线未在光谱中发现。从此式推出的CdS晶体能级的系限加以温度较正为2.41电子伏,与前人用其他方法所得2.42电子伏是很相近的。激子的等价质量与电子质量之比为4.3。 CdS晶体与ZnS晶体结构相似,常数数值相近,由此可以猜测CdS晶体能级的满带可能是属于S-离子。所观察到的激子光谱类氢系可能是S-离子的激发态。

 
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