查询词典 porosity

The paper put forward a detection method of porosity of jig bed through analyzing slicing process of jig bed and introduced design of fuzzy control system of jigger s air valve and its implementation method based on the detection method.

通过分析床层分层过程，文章提出了一种床层松散度的检测方法，并以此为基础介绍了跳汰机风阀模糊控制系统的设计及实现方法。

The results show that the method is capable of measuring jigging bed porosity real-time.

介绍了跳汰机床层松散度的定义和表示方式，提出了用不同时刻床层密度的变化来测量床层松散度，并在实验现场对此方法进行了验证。

L Uniform distribution of membrane pores, high porosity, big filtration flux, slow attenuation and lowcost in application

l 膜孔分布均匀、孔隙率高、过滤通量大、衰减慢，应用成本低

In the practical production it's proved that the level of central segregation of the slab is prominently lowered and the central porosity removed and thus the internal quality of the slab improved and the quality rate of the post rolled slab raised and the problem of central lamellation of the sample occurring after drawing solved and the satisfactory results achieved.

通过在实际生产中的应用使得铸坯的中心偏析级别明显降低，中心疏松消除，内部质量得到改善；铸坯轧后性能检验合格率得到提高，试样拉伸后产生的中心分层问题得到解决，取得了满意效果。

A double distribution thermal lattice boltzmann model presented in this paper is to simulate natural convection with metal foams of different porosity,hole density and Rayleigh number.

本文使用格子-Boltzmann方法模拟了充满金属泡沫的封闭方腔自然对流。

Lithic sandstone tant has high porosity and permeability that is relative low fractal dimension, the greater the rock fractal dimension, and of the poorer, more complex pore structure.

岩屑砂岩之间孔隙度、渗透率相对较高的具有较低的分数维。

The results show that the sandstone reservoirs with high porosity and permeability are mainly composed of coarse-grained lithic quartz sandstone and quartz sandstone with relatively well-preserved primary intergranular pores, relatively large median radius and average pore throat radius, and relatively low displacement pressure.

结果表明：组成高孔、渗储层的砂岩类型主要是粗粒的岩屑石英砂岩和石英砂岩，其较多地保存了原生粒间孔，具有较高的中值半径和平均喉道半径以及较低的排驱压力；高能环境下有利的沉积微相和成岩早期包壳状胶结物对原生粒间孔隙的保护作用是形成高孔、渗储层的基础条件。

This article summarizes the electric log technology applying to low-resistivity, low-porosity, low-permeable pay zones and fractured reservoirs. To study the influence of drilling-mud invasion and pore texture to oil zone resistivity and its electric log response rule," in-time log " and pressure gradient log should beapplied.

今后要研究钻井液侵入与孔隙结构对油层电性质和电法测井响应规律的影响，采用"及时测井"和压力梯度测井等技术措施；测井计算饱和度技术已日趋成熟，但需采用高精度数控测井等先进适用技术和更精细的"岩心刻度测井"解释方法，进一步提高精度，以满足低孔、低渗储集层和裂缝型复杂岩性储集层的更高要求。

By the reason of the balance between water and air, the porosity property seems to be the most important parameter of substrate quality among these characters. This article tried out the results which the 5 different granule sizes vermiculite affect on the physical characters, water constants and maidenhair.

本试验研究了5种不同颗粒粒径的蛭石对其物理性质、水分常数和孔雀草苗期生长的影响，结果表明，基质总孔隙度在70%～90%，大小孔隙比在1：2左右时均能满足作物苗期生长的要求。

In this paper,the general concept- ion of multi-porosity medium model is presented.

但灰岩的微孔隙结构是很复杂的，因此本文提出多重孔隙介质模型的概念。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。