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1 Estimation of porosity in rocks is aided by impregnation with stained resin.

2 The porosity of a deposit is expressed as the percentage of voids in a given volume of rock.

3 The porosity of the lagoonal mudstones is mainly of the intercrystalline type and rarely exceeds 2-3%.

4 High porosity, high air permeability and low pressure drop.

5 Shallow burial seems to preserve chalky textured porosity.

6 Aim To study the secondary porosity in the clastic rock storage of Ordos Basin.

7 Central shrinkage porosity and segregation are main defects of high - carbon steel billets.

8 With meso-high porosity and permeability, the Donghe sandstone member of Upper Devonian Donghetang Formation is the most important pay bed.

9 So the effective porosity is drawn from the matrix volume and effective pore volume.

10 Tight gas wells are generally characterized by low porosity,[www.Sentencedict.com] low permeability and high water saturation.

11 A function found on the data of porosity depth or density depth from a given layer in one well or poly wells could be more reliable so that it can figure out a satisfying decompaction thickness.

12 The testing results show that the core porosity, permeability, compressibility of low-permeability core are sensitive to confined pressure, and there are exponential degression relation among them.

13 Analysis and calculation of parameters of core plane porosity make up the calculation inadequacy of porosity parameter in hetero...

14 This is sprayed on to hair before perming and combed through to regulate hair's porosity and ensure an even finish.

15 The permeability of the rocks in the reservoir is mainly determined by the porosity and grain size of sands present.

16 Compaction of the sediments under very high overburden pressure has caused appreciable porosity reduction.

17 It fills all the interconnected voids, and the volume of water depends on the porosity and permeability of the rock.

18 Moreover there are indications that in this gas field a secondary fracture porosity may exist.

19 It is obtained from test that the Rare - earth additives can improve the adhesive strength, decrease porosity, make porousness smaller, therefor, raise the properties of the arc spraying coatings.

20 Results show that such factors affect the ground motion to different extent as the interface condition, the ratio of thickness and width, the porosity and so on.

21 The porous nature of the saprolite is directly related to the high porosity of Andisols in this study area.

22 A porous silk fibroin membrane could be prepared through freeze-drying process, with dense top surface, porous bottom surface in low porosity and porous inner portion in high porosity.

23 Combining with his own working practice, the writer also proposed some suggestions about how to prevent the shrinkage porosity and cavity.

24 Cross check in cross- borehole shows that root - mean - square error of predicted porosity of simple cokriging is less than 10% compared with that of linear re - gression method.

25 NMR Logging can provide accurate values of irreducible liquid, movable liquid, effective porosity and permeability, and also identify the tight zone, water zone and gas-bearing zone.

26 Avoidingthe effect of shaly, tuffaceous and oil, this text established the interpretation equation of the tuffaceous sands effective porosity.

27 This formula describes the integrated influence of effective pressure, porosity, permeability and rock density on the acoustic travel-time differences.

28 The non- evaporable water content depends on the cement replacement levels when with a fixed water to binder ratio, hence influence porosity, strength and low-cycle fatigue behavior of concrete.

29 Therefore, much of the interest was centered on the investigation of porosity of unconsolidated materials.

30 Its advantage is small size is loose structure, low coal rank, big porosity and strong permeability.