The proportion of empty space in a rock is known as its porosity.
岩石中空隙的比例被称为孔隙度。
Sediment sorting and compaction influence permeability and porosity.
沉积物的分选和压实作用影响渗透率和孔隙度。
Extraction of water depends on two properties of the aquifer: porosity and permeability.
水的开采取决于含水层的两个性质：孔隙度和渗透性。
This pore space is known as porosity and is expressed as a percentage of the total rock volume.
这个孔隙空间被称为孔隙度，用岩石总体积的百分比表示。
The more poorly sorted or the more tightly compacted a sediment is, the lower its porosity and permeability.
沉积物分选越差或压实越紧，其孔隙度和渗透率就越低。
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.
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。
Medium and large cells should have the same porosity, primarily in M2.
中型和大型单元都有相同的孔隙度，主要都是在M2层。
Seismic velocity can occasionally be affected by porosity and temperature.
孔隙率和温度有时也能影响地震波速。
Seismic velocity can occasionally be affected by porosity and temperature .
孔隙率和温度有时也能影响地震波速。
Commonly the dolomite crystals form a framework with evenly distributed porosity.
通常白云石晶体构成格架，它有均匀分布的孔隙。
Shale and dolomite will cause the neutron porosity high and the density porosity low.
泥岩和白云岩导致中子孔隙度的读数偏高，密度孔隙度的读数偏低。
Final finish may differ to pack representation due to colour, texture and porosity of the wood.
最后的涂层效果可能会因为木料的颜色、质地和孔隙度而改变。
Reservoir micro pore structure is an important factor influencing reservoir porosity and permeability.
储层微观孔隙结构是影响储层储渗特性的重要因素。
Coal reservoir is a dual porous rock composed of matrix porosity and fracture with its unique cleat system.
煤储层是一种双重孔隙介质，其孔隙由基质孔隙和裂隙组成，并具有自身独特的割理系统。
There is a clear linear positive correlation between the soil water infiltration rate and the soil porosity.
土壤入渗速率与孔隙度之间具有明显的线性正相关关系。
Centrifugal casting, compact structure, free from pinhole porosity and slag, smooth surface and even wall thickness.
高速离心铸造，组织致密，无砂眼、夹渣，表面光滑、壁厚均匀。
When superposing neutron porosity log with density porosity log, density porosity is far higher than neutron porosity.
当中子孔隙度与密度孔隙度曲线重叠时，会有密度孔隙度远高于中子孔隙度的特征；
The result shows that the nerve network method is quite effective in the classification and differentiation of loess porosity.
结果表明，神经网络方法性能良好，可望成为黄土孔隙性分类判别的有效辅助手段。
Fracturing has resulted in an increase in sandstone porosity and permeability and enhanced the development of secondary pores.
破裂作用可以提高砂岩的储渗能力，同时也有利于砂岩中溶蚀孔隙的形成。
The SEM photo shows that the nickel deposit has even crystal size, good adhesion, low porosity and strong corrosion resistance.
镀镍层SEM照片显示，镀镍层晶粒尺寸大小均匀，各晶粒间结合紧密，孔隙率低，耐腐蚀能力强。
The mass transfer coefficient was higher for the big porosity membrane than for the small porosity one at same experiment condition.
同一传质体系，在相同流动条件下孔隙率大的膜的传质系数大于孔隙率小的膜的传质系数。
Activated carbon materials are widely used in air pollution treatment because of their well - developed porosity and high surface area.
活性炭材料因具有丰富的孔结构和较大的比表面积，而被用于大气污染治理。
Nuclear magnetic logging is a high technology and only by which the free fluid porosity of an oil-bearing bed can be measured directly.
核磁测井是当代唯一能够直接测量油层自由流体孔隙度的高技术。
Limestone will have the same porosity measurements, whereas a wet sandstone will cause the neutron porosity to read low and the density porosity high.
石灰岩具有相同孔隙度测量值，而湿砂岩将导致中子孔隙度的读数偏低，密度孔隙度读数偏高。
The approach has allowed the team to generate polymeric foams with porosity gradients closely resembling natural cellular structures such as bones and wood.
该团队使用这种方法来生产聚合泡沫，其孔隙梯度类似大自然中的细胞结构，如骨头和木头等。
When the process was done, the porosity-a measure of the empty space in the structure-was about 94 percent, just below the theoretical limit of 96 percent.
当整个过程完成后，空隙度达到94%，刚好低于96%的极限水平。
It is theoretically considered that reservoir gas-bearing makes interval transit time porosity and density porosity increase and neutron porosity decrease.
理论上认为，储层含气使声波时差孔隙度和密度孔隙度增大，使中子孔隙度减少。
The level of permeability of each cigarette paper was also examined using a PPM1000M paper porosity device (Cerulean, Milton-Keynes, UK) using the vacuum method.
采用利用真空方法的PPM 1000 M纸孔设备(英国Cerulean米尔顿-凯恩斯)检测每张烟纸的渗透程度。
The two facade's matters complete each other harmoniously: charcoal grey and gold, absorbent and reflective surfaces, mineral porosity and metallic brightness.
立面的两种材料互相补充和完善：炭灰色和金色、吸光表面和反光表面、矿物材料的多孔性和金属的明亮质感。
The two facade's matters complete each other harmoniously: charcoal grey and gold, absorbent and reflective surfaces, mineral porosity and metallic brightness.
立面的两种材料互相补充和完善：炭灰色和金色、吸光表面和反光表面、矿物材料的多孔性和金属的明亮质感。
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