Based on the past research, this dissertation has analysed the relationship between the dynamic parameter and the self-property, then based on the elastic half space theory of the dynamic foundation and the theory of the vibration, this dissertation get the expression about the relationship between the vibration frequency and the porous ratio (density) of the double layer soil.
利用地基土的振动频率来测定土体的密实度是一项新的课题,本文在前人研究的基础上,分析了地基土的动力参数与土体本身性质之间的关系,应用动力基础半空间理论和振动学原理,得出了双层地基土的振动频率与土体空隙比(密实度)之间关系的计算表达式。
Electrical capacitance tomography and LS-SVM based voidage measurement;
基于电容层析成像和LS-SVM的空隙率测量
Study on algorithm of electrical capacitance tomography for voidage measurement of gas-oil two-phase flow;
用于油气两相流空隙率测量的电容层析成像量化新算法研究
Nonlinear Analysis of Voidage and Particle Colliding force in Gas-Solid Fluidized Bed;
气固流化床中空隙率及颗粒碰撞压力的非线性分析
Analysis of Variability of Compactibility and Porosity to Asphalt Pavement;
沥青路面压实度和空隙率的变异性分析
The influences of porosity of mixture to road performance of cement and fly ash stabilized crushed-stones;
空隙率对水泥粉煤灰稳定碎石路用性能的影响
Impact of porosity on the performances of asphalt pavement;
空隙率对沥青路面性能的影响
Comparative study on three modeling methods for voidage measurement
3种空隙率测量建模方法的比较研究
Impact of Gradation on Voidage of Rubber Asphalt Mixture
级配对橡胶沥青混合料空隙率的影响
It is concluded from the study that the absorption coefficient depends upon the air voids of asphalt mixture.
发现空隙率尤其是有效空隙率是影响沥青混合料吸声系数的关键因素;
Research and Practice of Water Injection Technology for Low Porosity Coal Seams in Deep Mines
深井低空隙率煤层注水技术研究与实践
Criterion of Air Voids Based on Permeability Characteristic of Asphalt Mixture
基于渗水特性的沥青混合料空隙率标准
Research on Influence of Gradation to Air Void of Porous Asphalt Mixture
级配组成对排水性混合料空隙率影响研究
Effects of space rate on asphalt road and controlling of it
空隙率对沥青路面的影响及施工中的控制
Research and Application on the Influence of Aggregate Density and Porosity of Asphalt Mixture
集料密度对沥青混合料空隙率影响及应用研究
Radial Distribution of Voidage in a Fixed Bed Reactor with Lower Diameter Ratio of Bed to Particle
床层与颗粒直径比小的固定床反应器径向空隙率分布
Nonlinear Analysis of Voidage and Particle Colliding force in Gas-Solid Fluidized Bed;
气固流化床中空隙率及颗粒碰撞压力的非线性分析
Study on the Void Fraction of Two-phase Flow in the Evaporative Cooling Generator;
蒸发冷却电机垂直管内气液两相流空隙率的研究
Research on the Influence of Voidage and Permeability on Road Performance of Asphalt Pavement in Seasonal Frost Area;
空隙率和渗透性对季冻区沥青路面路用性能的影响研究
Measurement Method of Volume Voidage in Dilute Gas-Solid Flow of Fluidized Bed Based on Image Processing
流化床气固稀相流动体积空隙率的图像检测方法
Study on methods for void fraction measurement of gas-liquid two-phase flow in microgravity
气液两相流空隙率测量方法微重力环境应用研究
It is the porosity due to interconnected pores that can be filled with and emptied of water.
这种孔隙率是水可流出和流入的连通空隙。
CFD SIMULATION OF THE GRILLE POROSITY EFFECT ON THE OUTDOOR UNIT PERFORMANCE
格栅孔隙率对某空调室外机性能影响的CFD研究
Heterogeneous model of porosity in gobs and its airflow field distribution
采空区孔隙率非均质模型及其流场分布模拟
A gap or space between two teeth.
齿隙两齿之间的间隙或空隙