额外的计算确定即使母亲服用胃复安药量超过一星期,对婴儿的健康也不会产生更大的危害。
Additional calculations determined that even babies whose mothers took the drug for more than a week did not face increased risks.
这一计算是比较烦复的。
复变函数积分计算是复变函数课程教学的一个非常重要的内容。
Computation of the complex integral is very important content in teaching complex variable function.
为了快速精确计算架空偶极子大地中的透射场,提出了一种广义索末菲积分(GSI)两阶段复镜像等效算法。
A two stage complex image method is proposed to rapidly and precisely calculate the refractive field of an overhead dipole (generalized sommerfeld integral, GSI) in the earth.
最后给出了一个方形扭曲管的复速度势计算实例。
Finally, we give as an example the calculation of complex velocity potential for a twisted duct with square cross-section.
对碱土金属复卤化物的能隙进行了计算,结果合理。
The calculated results of energy gap on alkaline earth mixed halides are reasonable.
这些结果可用于数值计算和模拟该系统失调时对输入复振幅的衍射和分数傅里叶变换。
The result can be used in numerical calculation and simulation of diffraction and fractional Fourier transform of input complex amplitude of misaligned single spherical refracting system.
选取结构的任一个循环对称扇区作为有限元计算模型,建立单个扇区复约束特征值方程;
The presented method selects only one cyclic symmetric sector of the structure as the finite element calculating model and establishes the complex constrained eigenvalue equation of the sector.
本文提出一种分析机车横向运动稳定性的方法,即利用复模态的矩阵摄动法来计算临界速度。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
提出一种基于离散复镜像法的广义索末菲积分(GSI)快速计算方法。
An efficient approach to calculate the generalized Sommerfeld integral (GSI), which is based on the discrete complex image method, is presented.
该方法采用二级离散复镜像方法求解空间域的格林函数,与直接数值积分方法相比,提高了计算格林函数的速度。
The two-level discrete complex image method is used to compute the spatial Green's Function, and thus improves the speed to compute Green's function compared with the direct integral method.
本文提出复标量磁位的有限元法计算变压器铁心中三维各向异性非线性磁场和损耗。
In this paper, a complex scalar magnetic potential finite element method is proposed to calculate the three dimensional anisotropic nonlinear magnetic field and iron loss in transformer cores.
提出了由实验得到的试件复模量得出材料复模量的计算方法。
Thus, we find a method to calculate the material complex moduli from sample complex moduli.
采用固定腔长法,推导了计算复介电常数的计算公式。
By using fixing resonator length, the complex permittivity calculate formulas are induced.
利用该方法良好的收敛性,可以借助于电子计算机快速的构造目前已知的具有最大码率和最小解码时延的多天线复正交空时分组编码矩阵。
By the convergence of the method, we can fast construct a COSTBC matrix with the maximal rates and the minimal decoding delays that we all know now recur to the computer.
根据积分路径和被积函数的特点,讨论了相应的计算复积分的方法。
It is based on the properties about the path of integration and the integrand function.
为便于计算,给出了复宗量的球贝塞尔函数的计算方法。
Making convenience of computation, the calculation method of the spherical Bessel functions for complex arguments is presented.
本研究建立了敏感的SIV定量PCR检测方法,并提出了判断复孔检测结果是否准确的计算方法。
This research established a sensitive quantitative PCR method for SIV load testing. The creteria for accuracy judgement of duplication in quantitative PCR method was introduced.
研究表明,只要傅里叶级数项数不少于30,改进后的算法比直接用复高斯函数展开具有更高的计算精度。
It is shown that the improved algorithm provides more accurate calculation results than the complex Gaussian function expansion, so long as the number of Fourier series is no less than 30.
哈斯·金德用复变函数理论讨论了微弯滑行板的非定常运动,获得了计算水动力的一般公式。
Haskind discussed the non-steady motions of small curved planing plate by using the theory of complex functions, and obtained the general expression of hydrodynamic forces.
所得数字结果表明,在波束的近轴区域内为获得同样的计算精度,近轴近似法所需要的计算机时间远小于复射线追综法的时间。
Numerical computations show that paraxial approximation gives almost the same accuracy in the paraxial region as complex ray method but spends much less computer time.
针对窄带发射信号,为了便于计算,设计了一种适用于任意采样率的基于复包络的混响信号仿真方法。
In order to simulate narrowband reverberation time series easily, the simulation method designed based on simulating reverberation complex envelop, which is feasible for any sampling frequency.
电路的时域、频域和复频域三种分析法求解电路的完全响应,比较了三种分析法的物理意义和计算方法。
Using time-frequency-and complex frequency domain analysis to find the complete response of the circuit from the different point, has the different physics meaning and calculating method.
分析了我国复二重式线材轧机的特点,提出了针对该轧机特点的计算机辅助孔型设计的设计思想、程序框图等。
This paper analyses the characters of double two high wire mill in China and put forward the design methob and program frame drawing of CARD of this mill.
提出了一种新的计算弹性-粘弹性复合结构随机响应的各阶谱矩的计算方法,它是一种时域复模态分析方法。
In this paper, a new method of calculating random response spectral moments of elastic-viscoelastic combined systems under random excitations is presented.
通过计算实例,并同复模态分析方法比较,说明了该方法的有效性和精确性。
By comparing the obtained results with the results of complex modal analysis, it is shown that the present method is accurate enough and efficient.
本文讨论了射线追踪加速技术,复射线参数的选取,并分析了复射线计算中产生误差的主要原因。
Ray tracing accelerate technique, the parameters of complex ray has been discussed in this article, and some empirical formulas for choosing the complex ray parameters have been given out.
本文通过对原子电荷密度的计算,解释了复黄原酸作为金属捕收剂的作用机理。
The floatation mechanism of dixanthogen used as a metal collector is explained by the results of charge density calculation of the atoms in its molecule.
本文通过对原子电荷密度的计算,解释了复黄原酸作为金属捕收剂的作用机理。
The floatation mechanism of dixanthogen used as a metal collector is explained by the results of charge density calculation of the atoms in its molecule.
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