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- frequency dispersion model 频谱模型
- The Frequency Dispersion Models of Rock Complex Resistivity and Their Parameters Inversion 岩石复电阻率频谱模型参数的反演
- SU Qing-xin.Relation between the electrical model and dielectric frequency dispersion of rock at low frequency[J].WLT,1999,23(2):127-132. [2]苏庆新.;低频下岩石的电学模型和介电频散的关系[J]
- Rock resistivity has frequency dispersion, which causes the variation of param-eters in Archie formula. 岩石电阻车不仅具有频散特性,而且会因频散作用而造成阿尔奇公式中各种参数的变化。
- The results indicate that the Cauchy dispersion model is available for optical transparent or weak-absorption thin films. 研究结果表明:对于透明或弱吸收光学薄膜,采用柯西公式可以较好表征材料的色散关系。
- Carreau-Yasuda model was introduced to describe the melt viscosity.RTD of kneading discs was pro- duced from axial dispersion model. 使用理论模型对挤出过程停留时间分布的模拟具有重要的意义。
- It detects slide face with 3 judgment methods such as time domain signal analysis,frequency dispersion curve and wave velocit. 运用面波技术对渝邻路的大湾滑坡进行了勘察,通过时域信号分析、频散曲线和波速云图3种判定方法查明了滑坡的滑动面。
- An equation of axial non-homogeneous voidage distributions of solid catalysts has been derived from a generalization of one-dimensional axial dispersion model. 从一维轴向扩散基本方程导出了催化剂颗粒轴向平均空隙率分布式方程,以此方程为基础求出固体颗粒团聚频率和颗粒轴向扩散系数。
- The intimation of vehicles' speed distribution and run time distribution is also gi ven,as well as the applicable range of each platoon dispersion model. 还对车辆行驶速度及行驶时间分布进行了拟合,分析了各离散模型的适用范围。
- In this paper,first we analyze the frequency dispersion characteristic of Rayleigh wave and the shortcoming of the traditional method of parameter abstracting. 本文首先分析了瑞雷波的频散特性和传统的参数提取方法的缺陷,然后,利用时频分析的方法对实际资料进行了处理。
- This study utilizes mesoscale numerical model MM5 to simulate real weather cases and then combine atmospheric dispersion model for study for finite-volume pollutant sources. 摘要本文使用中尺度气象模式(MM5),先进行真实天气系统之模拟,再将MM5模拟结果与空气动力扩散模式进行整合应用,研究大型有限体积污染源之扩散过程。
- When doped with Li2O, the maximum dielectric constant of this material is 28640, which is higher than that of pure PMN-10PT, while the degree of frequency dispersion and DPT are decreased. 经研究发现;当掺入Li2O时;材料的峰值介电常数为28640;大于纯PMN-10PT;而频率色散和弥散相变的程度都变小.
- Pb[(Zn1/3Nb2/3)0.91Ti0.09]O3(PZNT91/9) single crystals were grown by a modified Bridgman technique with an allomeric seed and PbO flux. Temperature dependence of dielectric constant for PZNT91/9 single crystal displays apparent frequency dispersion. 对用改进的Bridgman法生长的Pb[(Zn1/3Nb2/3)0.;91Ti0
- The authors developed an air pollution dispersion system(APDS)with elevated Gauss dispersion model to simulate the impact of industrial point source pollution on region air quality. 开发了一个基于高斯扩散的大气污染扩散空间信息系统,用于模拟工业点源污染对区域大气质量的影响。
- This paper also introduces the application of dynamic segmentation technique on Geographic Information System for Transportation, river water quality dispersion model, DEM development and some other aspects. 介绍了动态分段技术在交通地理信息系统、河流水质扩散模型、DEM生成及其它方面的应用。
- The frequency dispersion of rock electrical parameters could be applied to the formation evaluation,which is the main advantage of CRL different from the conventional electrical logging. 根据岩石电性参数(电阻率、介电常数等)的频散特性提出了一种复电阻率测井方法。
- This paper first establishes a geochemical model based on surface complexion and then coupled it with traditional advection dispersion model to constitute a solute migration model, which can deal with surface complexion action. 本文建立了一个基于表面络合吸附作用的地球化学模式 ,并将其与传统的对流 -弥散模型相耦合 ,建立了一个能够考虑表面络合吸附影响的溶质迁移模型。
- To grasp the basic theory on air dispersion, to learn the method on air dispersion model development, to apply different theory and model to solve atmospheric environmental problems. 掌握大气扩散的基本理论,了解大气扩散模式发展方法,学会应用大气扩散理论和模式解决实际大气环境问题。
- By integrating the backmixing theory of Reaction Engineering with predictive model of river pollution in Environmental Quality Assessment study, the predictively longitudinal dispersion model of river quality was got and analyzed. 摘要将反应工程学的返混理论与环境质量评价学的河水污染预测模型结合,得出了河流水质预测纵向扩散模型,并给出了解析解。
- The vehicle emission dispersion models can be classified into Gaussian model,empirical model,numerical simulation model and box model. 机动车排放污染扩散模式可分为高斯模式、经验模式、数值模拟模式和箱式模式。