Coefficient of permeability and effective percentage of voids are determined by the requirements of the project.
简述了长期滞留在基层顶面的渗入雨水会导致路面产生各种病害,提出了设置开级配沥青碎石排水基层一种积极主动的防排水设计措施,确定了工程所要求的渗透系数和有效空隙率。
As small gas and hydrogen index causes the calculated effective porosity of a gas zone smaller than that of formation, .
由于储层含气含氢指数小,导致气层核磁共振测井计算的有效孔隙度小于地层孔隙度,含气显示越好的储层核磁测井解释的有效孔隙度越小。
The charts for effective porosity and primary water saturation of logging interpretation have been established.
以岩心、试油、测井资料为基础,用密集取样代替常规取样解决了大小样不匹配的问题,建立了测井解释有效孔隙度、原始含水饱和度图版,并对其进行了影响因素的分析与校正,给出了合理的取值,其研究结果对萨零组油层的有效开发具有一定的指导意义。
According to acoustic principles, it is determined that the factors controlling the moveout of reservoir acoustic wave are effective porosity of reservoirs, aspect ratio of pores and ineffective porosity occupied by irreducible water.
通过引进储层孔隙纵横比的概念,根据声学原理分析论证了决定储层声波时差(Δt)大小的因素是储层有效孔隙度(φ)、孔隙纵横比(h)和束缚水所占无效孔隙度(φwi)。
Effective void ratio(EVR),mean void diameter and proportion of larger voids to whole voidincrease with weathering degree.
在风化过程中，岩石的有效空隙度￣，平均空隙直径均增加；
relating to or like or divided into areolae.
与网隙有关，像网状空隙，或者被分解成网状空隙。
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;
To make or occupy a space between.
使留有空隙使有间隔或占有…之间的空隙
having open interstices or resembling a web.
具有空隙或类似一个网。
He had gaps in her teeth.
他的牙齿间有空隙。
For more highly cemented materials and limestones, significant difference in total porosity and effective porosity values may occur.
对于含泥浆较多的物质或石灰岩，其总孔隙度和有效孔隙度会有很大差别。
For intergranular materials, poorly to moderately well cemented, the total porosity is approximately equal to the effective porosity.
对于由晶体构成的物质，其晶粒间含泥浆少或较少，因此总孔隙度与有效孔隙度近似相等。
In addition,? T2? distribution is used to determine the lower limit of effective porosity and estimate permeability in the reservoir.
此外,还利用T2分布研究有效储层孔隙度下限,并估算渗透率。
Stress sensitivity has relationship with water saturation of reservoirs.
低渗透气藏岩心的孔隙度随有效压力的增大呈指数关系递减。
Small voids and openings occur between grains of soil.
在土壤颗粒之间就有着许多微小的空隙和洞隙。
The total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase .
降雨后土壤的总孔隙度下降，通气孔隙下降较明显，同时速效孔隙和迟效孔隙增多。
Porosity: The degree of openness between the fibres of a paper. It is significant to air and ink penetration.
透气度:纸内纤维间的空隙情况，它对空气和油墨的渗入，有直接的影响。
a space is left for sounds to come out.
使两盅子之间留有空隙以碰击作响，
Hey, there's a gap in the crowd waiting to get on board.
咦，等着上车的人群中有一个空隙。
There was a clearance of only ten centimetres between the bridge and the top of the bus.
桥身与车顶之间只有十厘米的空隙。
There is air in every crack and hole on this earth.
地球上每个缝隙洞孔都有空气。
There was a clearance of only ten centimetres between the two walls.
两堵墙之间只有十厘米的空隙。