密固

在DIPSAR算法的基础上，推导了适用于可压密相气固两相湍流流动数值计算的CDIPSAR算法。

CDIPSAR algorithm on compressible and dense gas solid two phase turbulent flow is developed .

密相气固两相流管道气力输送的阻力特性

Resistance Characteristics of Dense Phase Gas-Solid Two Phase Flow in Pipes

密相液固两相流动的数值研究

Numerical Research on Dense Liquid-solid Two - phase Flow

密相液固两相湍流中颗粒浓度分布的研究

On the Distribution of Particle Concentration in Dense Liquid Solid Two Phase Turbulent Flow

耦合流化床密相区固含率轴向分布及相似性分析

Experimental Study and Similarity Analysis of the Axial Profile of Solid Hold-up in the Dense Region of a Coupled Fluidized Bed

密相液固两相湍流K-ε-T模型及其在管道两相流中的应用

K - ε - T Model of Dense Liquid - Solid Two - Phase Turbulent Flow and Its Application to the Pipe Flow

参照密相液固两相湍流方程，并考虑到宾汉流体的本构关系，建立了描述宾汉流体与颗粒间的两相湍流流动的控制方程，编制了计算程序，为数值计算奠定了理论基础。

Two phase turbulent model of Bingham fluid and particles is presented according to dense liquid solid two phase turbulent equations and power law fluid constitutive equation .

最后，本文利用所提出的新的组合模型，对高浓度气固两相立管流动进行了数值模拟；对稀相和密相气固两相射流进行了数值模拟；

Finally , the thesis employed the new combined model to simulate the dense gas-solid two-phase vertical flows , to simulate the dilute or dense gas-solid two-phase jet flows , and both of them got a satisfied numerical solution .

密相气-固管道输送分散型控制系统的研究

Research on the Distributed Control System of Dense Air-Solid Pipeline Transportation

密相可压气固两相湍流流动的理论分析及其数值模拟

Theoretical Analysis and Numerical Simulation of Dense Compressible Gas-Solid Two-Phase Turbulent Flow

临床试戴，检查桩核的就位性、密合性、固位性。

Try for clinic and examine the suitablity , compression and stability of post-core .

利用本文推导和建立的方程组以及提出的算法，编制了用于密相可压气固两相湍流流动数值计算的程序。

With the equations and algorithm presented in this paper , the numerical calculation program is developed .

铸造桩核完成后，分别对两组的桩核进行就位性、密合性、固位性的检查，比较两组铸造桩核适合性的差异。

After the posts were completely cast , the two groups of casting post were checked separately by emplacement , compactness and retention so as to compare the differences of their compatibility .

结论用铸造法制作桩冠桩核强度高，与根管壁密合，粘固手不易脱落与原烤瓷牙冠密合，不需要重新制作，节约了时间和费用，延长了烤瓷冠的使用寿命。

Conclusion This method could obtain the strength of crown dowel with root cavity without fall and cleft so that to save time and payment and prolong the use of ceramic teeth .

结果：161颗后牙残冠、残根的铸造桩核就位顺利，边缘密合，烤瓷冠或金属冠边缘密合，固位良好。

Results : The 161 ports and cores were seated precisely , the porcelain or metal crowns margin was fitted well and the retention of crowns was good .