不同土壤剖面大孔隙的数量和孔隙体积相差很大。
There was much difference in quantity and volume of macropore in the profiles of the three soils.
孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。
Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in percent.
然后由岩样的有效孔隙体积和骨架体积计算出岩样的有效孔隙度。
So the effective porosity is drawn from the matrix volume and effective pore volume.
然后由非活塞式驱替模型和汽窜动态资料确定井间窜通孔隙体积。
Non-piston steam displacement model was established based on steam channeling performance and steam condensate for steam stimulation wells.
考虑到经济效益，最适宜的堵剂用量为高渗带孔隙体积的15 %。
With economic factors taken into account, the appropriate amount of plugging agent is about 15% of the pore volume of high permeable formations.
渗透率比值与注水孔隙体积倍数或渗流速度的关系曲线均呈“S”形；
The relative curves of the ratio of transient permeability to initial permeability with the injected fluid volumes or seepage velocity are like a character "S".
结果超压异常的形成与不均衡压实、孔隙流体增加、孔隙体积减小有关；
Results The mechanism of abnormal pressure is related with disequilibrium compaction, increasing of fluid volume and decreasing of pores.
在排烃作用活跃的烃源岩中，孔隙体积和孔隙水的数量也会发生很大的变化。
The pore volumes and the amounts of pore water also may vary considerably in actively expelling source beds.
根据注入不同孔隙体积倍数汪入水时岩样渗透率的变化，评价了注入水的敏感性。
The sensitivity of the injection water is evaluated based on permeability changes of rock samples as water injected with different multiples of pore volume.
根据煤岩孔隙不同半径范围内累积孔隙体积分数所占的比例大小对孔隙进行了大小分类。
According to cumulative porosity percentage of pores with various radius of coal, the pores with coal were classified into three categories, namely micro-pore, mesopore and macropore.
因而油层厚度及与之有关的裂缝孔隙体积和渗透率也在一定程度上受到构造面主曲率的影响。
To certain extent, therefore, the thickness of the oil-bearing interval as well as the volume and permeability of the fracture porosity are also influenced by principal curvatures.
提出了一种基于测井数据和叠前地震反演参数的流体饱和度定量预测方法——孔隙体积模量法。
A new method based on well logging data and pre-stack seismic inversion parameters, which is called pore bulk modulus method, is presented to quantitatively calculate pore fluid saturation.
体积流过量试验结果显示，当注入150倍孔隙体积注入水时，因粘土膨胀，渗透率下降达28%。
The result from the testing by volume flow overrate demonstrates that when injected water as much as 150 fold of pore volume is used, permeability is reduced as much as 28% due to clay swelling.
测量岩心样品被烘干后的体积以及被一种液体充满后的体积之差从而确定岩心样品孔隙体积的一种方法。
A technique for measuring the pore volume of a core sample from the difference in its weight when dry and when saturated with a liquid.
将异常低压的形成机制归纳为4大类：1）构造抬升和地层剥蚀、孔隙水化学作用引起的孔隙体积增大；
The forming mechanisms of subnormal pressure can be divided into 4 types: 1)increase in pore volume caused by tectonic uplift and formation erosion, or chemical effects of pore water;
当离子在充电周期中被排出进入提纯通道时，陷落在流通电容器(15)的孔隙体积中的离子导致效率低。
Ions trapped in the pore volume of flow-through capacitors (15) cause inefficiencies as these ions are expelled during the charge cycle into the purification path.
岩心驱油降压模拟实验表明，表面活性剂体系驱替0.5倍孔隙体积(PV)，后续水驱替压力下降48%左右。
Core simulation experiments showed that the pressure of water drive could decrease by 48% after surfactant drive (0.5 PV).
室内物理模拟试验发现注入0.3倍孔隙体积的高效驱油剂，能提高原油采收率17%，聚合物驱后应尽可能早的注入高效驱 油剂。
Pouring into 0. 3 pore volume oil displacement agent improved 17% crude oil recovery. Oil displacement agent should be pour into as early as possible after polymer flooding.
这个孔隙空间被称为孔隙度，用岩石总体积的百分比表示。
This pore space is known as porosity and is expressed as a percentage of the total rock volume.
由于庞大的体积和重量，现在的农业机械有显著的缺点：它们会把土壤压实，降低土壤孔隙度，杀死有益的生命，这意味着农作物不会长得太好。
With their enormous size and weight, today's farm machines have significant downsides: they compact the soil, reducing porosity and killing beneficial life, meaning crops don't grow so well.
该文从影响机理入手，分别建立了地化热解资料的样品重量、孔隙与体积及轻、中及重质不同组分的校正模型。
In this paper, the correction models of light, middle and heavy components ard sample weight, porosity and volume were established from the view point of influence mechanism.
岩石基质渗透系数和孔隙率通过体积应变进行更新。
The permeability coefficient and porosity of rock are updated by volumetric strain.
由于求取岩石骨架（孔隙中不含流体）的体积模量的办法不同，因而计算油气层速度有不同的方法。
We have different methods for calculating reservoir velocity because there are different ways to calculate bulk modulus of matrix (There is no liquid in the pores).
是否可以根据岩样的孔隙度和渗透率的大小反演岩样的孔喉体积分布，或者反演毛管压力曲线？
So if we can inverse the distribution of pore throat or the capillary pressure curve by the pore and permeability data of the core?
前后两次重量的差值除以流体密度就得到样品中连通孔隙（也就是有效孔隙）的体积。
The difference in weight divided by the density of the liquid is the connected, or effective, pore volume.
采用数值试验方法，研究了体积应力以及孔隙压与等效孔隙压系数的关系规律。
By numerical experiment measure, the relation of volume stress and hole press - coefficient of equivalent hole press is studied.
试验结果表明，精确公式能够很好地表达多孔介质孔隙率与体积模量之间的关系。
Experiments show that the accurate equation can express the relationship of porosity and bulk modulus of porous medium well.
该实验是在各项异性的固结作用后保持差应力，使用孔隙水控制装置在体积不变的应变控制条件下将孔隙水注入。
In the test, after anisotropic consolidation, keeping the deviator stress, pore water is injected using pore water control apparatus under a constant volumetric strain controlled condition.
由于压实，增加了表层土壤的体积质量，降低了土壤孔隙度，水不易向下运动。
The volume quality of top soil is increased and the soil porosity is reduced owing to compaction, so water flow downward difficultly and the amount of water vertical infiltration is reduced.
由于压实，增加了表层土壤的体积质量，降低了土壤孔隙度，水不易向下运动。
The volume quality of top soil is increased and the soil porosity is reduced owing to compaction, so water flow downward difficultly and the amount of water vertical infiltration is reduced.
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