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,[] 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.

31 A semiquantitative prediction model of shrinkage porosity for titanium alloy castings has been established.

32 Commonly the dolomite crytals form a framework with evenly distributed porosity.

33 Young's modulus and the bending strength change almost in the opposite way of that of the porosity.

34 Experiments show that the accurate equation can express the relationship of porosity and bulk modulus of porous medium well.

35 The synthetic unconsolidated samples with weak cementation and high porosity were prepared using physical simulation technique.

36 The porosity and permeability of matrix, and the width, density and direction parameters of fractures were obtained by core analysis, well logging, seism and thin section observation methods.

37 Prediction of porosity is very important in reservoir analysis and oil gas prediction. In this paper G-LOG method is used to calculate velocity.

38 Results showed that compared with porous SiC ceramics, the MOR of SiC-cordierite was improved significantly, and the TEC decreased remarkably, and the apparent porosity also decreased.

39 For clean sandstone, the acoustic dispersion of compressional wave exists obviously when its porosity is more than 28%.

40 For direct quantitative measurement of porosity,[sentencedict .com] reliance must be placed on formation samples obtained by coring.

41 Porosity logging methods examining gas reservoirs of sandstone and argillaceous sandstone through acoustic wave and density are effectively used in coal beds.

42 Two kinds of failure theories are used to explain the failure types of sandstone with large porosity based on the experimental results under different saturated liquid conditions.

43 The porosity and fluid saturation of rock are key factors influencing AVO.

44 The karst fissure medium can be regarded as dual medium of porosity.

45 Compact rock formation formed a available reservoir with effective porosity and permeability because there are a many of fractures in it.

46 The origination and location of shrinkage porosity(hole)in the rudder horn was described by simulating the filling process of large pelagic cast-steel rudder horn using a CAE software.

47 Porosity increases along with the increasing of coagulation bath temperature[], and doesn't have relation to pre-evaporation.

48 The results showed that good purification effects can be obtained, in which not only major coarse impurity particles was removed but also shrinkage porosity was effectively abated.

49 As one of the important indexes for the quality rating of plating, porosity can be used to evaluate the protection effectiveness of the substrate by the plating.

50 With the increase of sintering temperature, the apparent porosity of sample decreases, while bulk density, hardness and compressive strength increased.

51 The calculation method of primary wave and second wave speed were studied when the oil saturation and effective pressure of unconsolidated sandstone reservoir with high porosity in X Oilfield changed.

52 Along with the increase of deepness , to porosity and permeability, mudstone reduce much more than sandstone.

53 The information of petroliferous reservoir is contained in the differential signals between the resistivity and porosity curves of reservoirs.

54 With the advantage of low porosity and strong viscoplasticity, the salt caverns can be used to storage carbon dioxide absolutely.

55 The effect of FS content on membranes porosity has been discussed through measuring the porosity by hydrargyrum pression method.

56 In this paper we briefly analyze the mechanism of engendering pores in powder metal material(PM), and study the influence of welding speed and active gas for welding porosity defect.

57 The amplification ratio is related to non - dimension frequency and porosity.

58 Although automorphic or partial automorphic quartz cementation losses some intergranular pores in late diagenesis, the reservoir with relatively high porosity still can be formed.

59 All kinds of casting pig equipment surface should be smooth, do not allow to have porosity, sand, osteoporosis, etc.

60 Porosity and gas-saturation are two important parameters in quantitive reservoir interpretation.

61 The centrifuging method is to overcome the capillary force with centrifugal force, so it is effective in medium-high porosity and permeability reservoir.

62 Based on the analysis of logging data, it is found that effect of porosity and shale content on acoustic velocity is heavier than that of water saturation on it.

63 A new iteratively solving method of dual porosity media model material balance correction method of iteration solutions is put forward.

64 In controlled burning stand, soil bulk density increased by 10%, while soil non-capillary porosity, natural water capacity and capillary moisture capacity decreased by 61%, 48% and 26%, respectively.

65 The remnant intergranular pores were filled with this kind of late calcite cement, which leads to a great decrease of the effective porosity.

66 The magnitude of the peak value is concemedwith weight tobacco rod and porosity of cigarette paper.

67 The results show that gas hydrate occupies the porosity among rock grains and enhances the cementation quality of sediment, which results in the acoustic velocity of gas hydrate increasing.

68 Traditional corhart has lots of holes. The silica fume is to fill these holes so as to increase the density, decrease the apparent porosity and increase the strength of corhart.

69 However leakage inside of the casting was found in the test. There were defects in the casting, such as coarse grain, shrinkage cavity, shrinkage porosity and so on.

70 The formation of Dachigan steep structural zone not only generates many fissures in Upper Carboniferous, but also makes the porosity of Upper Carboniferous higher in the core of these anticlines.

70 is a sentence dictionary, on which you can find nice sentences for a large number of words.

71 Coquina is the main reservoir rocks in Daanzhai Section of northern Sichuan, but its porosity, permeability and pore geometry are quite poor.

72 The increment of Ti-Al sheets porosity is 21%32%, and the prime reasons are considered to be the existence of the porosity in sheet bars and Al self-diffusion in the process of reactive synthesis.

73 First, an empirical relationship formula between the effective porosity and total porosity of cement paste is given based on the experimental results of concrete.

74 Predrilling reservoir quality prediction includes porosity prediction and permeability prediction.

75 The results indicate that the casting defects are mainly shrinkage porosity and cracks caused by solidification shrink, which mainly presents in the hot spot between the spoke and the rim.

76 The center segregation and porosity and the shrinkage cavity are obviously improved, when the stirring electric current rises from 100 A to 300 A.

77 Increasing the porosity and aperture of diffusion layers can increase the limiting current density of fuel cells.

78 Taking Yongle Oilfield as an example, this paper gives an interpretation method of effective porosity parameters suitable for shale sandstone reservoir.

79 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.

80 The permeability coefficient and porosity of rock are updated by volumetric strain.

81 The main defects of laser spot welding of aluminum are crater, hot crack and porosity which created by oxide film and keyhole instability, .

82 And the shrinkage porosity distribution in the castings and the mechanical properties of the castings were also researched.

83 The higher porosity and shale content, the bigger acoustic compression coefficient is.

84 The factors that affect the porosity in transversally cast ingot are related, porosity is very detrimental to the mechanical properties and surface quality of sheet.

85 The quantitative relation between dynamic nominal fragment size and porosity is developed by employing the energy description of dynamic fragmentation.

86 Increase in inserted depth of crystallizer could eliminate gas hole and porosity.

87 The anolyte ow rate was measured with a rotameter , which gave a velocity of the electrolyte in the packed bed of around 0.2 m s1 , taking the porosity into account.

88 This the way the coating porosity a prospect of the sealing technology.

89 In general, smaller grain size and greater angularity tend to increase the porosity while an increase in range of particle size tends to decrease porosity.

90 Swelling and porosity of the propellant mixture became evident after 6 days at ambient temperature.

91 The research on blanking zone shows that the variation hydrate saturation is altering with porosity in the blanking zone.

92 Porosity : The condition of hair that makes it absorb moisture easily.

93 The calibration ratio of CNLT5420 compensate neutron logging tool is the key parameter to determine the validity of porosity value.

94 A mathematical relationship between the strength and porosity of highly porous isotropic three- dimensional reticulated metal foams under equal- speed biaxial tension was derived.

95 Soil bulk density, non-capillary porosity decreased in large degree, and capillary porosity, capillary moisture capacity increased in different degree of different rehabilitated forest.

96 Conclusion This method to prepare controlled porosity osmotic pump tablets of sodium salicylate was applicable with ideal controlled drug release.

97 So that, it is necessary to adopt very sinterable UO2 powder and suitable pelleting and sintering conditions to minimize open porosity and small porosity.

98 The gas porosity of section plane was characterized with scanning electron microscopy (SEM).

99 For logging trave influenced by gas saturation, log data can't reflect reservoir porosity.

100 The rules and effect of power sound wave (PSW) on porosity and permeation of coal or rock were analyzed.

100

101 Analysis and calculation of parameters of core plane porosity make up the calculation inadequacy of porosity parameter in heterogeneous reservoirs.

102 The apparent porosity and water absorption were the lowest, the bulk density and heat-resistant property were the highest after dipping for 4 times.

103 It is pointed out that high peak value and long transfer time are helpful for decreasing the porosity of castings.

104 In numerical calculations, the effects of rainfall pattern, effective porosity, coefficient of permeability and shape of slope layer to the decline of subsurface flow are examined.

105 It is found that the oil effective permeability of low middle porous sandstone is related with the porosity, water saturation and shale volume of formation.

106 The morphology of austenite dendrites in shrinkage porosity in nodular iron is displayed by the color etching technique and the formation mechanism of shrinkage porosity has been analyzed.

107 It is shown that the changes of is resulted from the changes of both apparent porosity and the distance between layers of gel-type montmorillonite in interparticle pores.

108 By use of orthogonal test design, how the injection speed, pouring temperature and mold temperature effects the casting shrinkage porosity forming is studied.

109 Objective To prepare controlled porosity osmotic pump tablets of sodium salicylate.

110 The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.

111 The reasons resulting in the shrinkage porosity, gas - hole and impacted sand in bronze castings were analyzed.

112 Filtration velocity, filtration resistance and porosity of cake were researched, and the condensability and its index were analyzed.

113 Dissolution gave secondary porosity and increased porosity, and it occurred mainly in feldspathic grains and carbonate cementation.

114 However, the overall mean coordination number is essentially a constant and independent of porosity or volume fraction for the binary packing under gravity.

115 In addition, classification standards for reservoir effective porosity, oil bearing saturation and effective thickness have been established and applied in reserve calculation of 8 blocks.

116 The reservoir traverse quite be stable, but the relative property is quite strong, by the southwest to northeast, the characteristic of the porosity growth is degression tendency.

117 Bend test, heat immersion test, artificial sweat test, measurement of hardness and porosity were done for sample.

118 From the reservoir-engineering standpoint, effective porosity is the quantitative value desired, as this represents the space that is occupied by mobile fluids.

119 Large thick-section ductile Iron housing easily produces casting defects such as shrinkage cavity, shrinkage porosity, graphite floating and spheroidizing decay.

120 An amendent should decrease bulk density, increase toltal porosity , and incr ease water and air content.

121 Deposit's wearing resistance was evaluated by weighted sum of its hardness and porosity.

122 The results showed that soil bulk density and surface hardness were reduced and soil porosity and capillary capacity were increased after animal raising shut with fencing.

123 Confirming acoustic porosity accurately is a hard nut in well logging interpretation.

124 The anomalously high porosity zone of the Shasan member is mainly located in the middle slope part of the Yuanyanggou area, and extends along the western slope of the Liaohe Depression.

125 There is a certain functional relation between seismic interval velocity and formation porosity as well as residual porosity.

126 With increasing of effective pressure, permeability declines gradually and porosity decreases according to the exponentail relations.

127 The study on graphitization degree, porosity ( volume density ), purity, resistance coefficient and crystal structure etc of graphite is summarized.

128 As a result, quantitative relation of fractal dimension and porosity was studied and physical meaning of fractal dimension...

129 The effect of hexachloroethane degasser pretreatment on porosity formation in ultrasonic ingot is investigated.

130 From the reservoir-engineering standpoint, effective porosity is the quantitative value desired, as this represents the space which is occupied by mobile fluids.

131 The value of movable oil saturation has a positive correlation with core porosity, core permeability and liquid displacement efficiency, and it changes greatly between different types of reservoirs.

132 It is widely used to test castable on porosity by submergence in physical property inspection.

133 Our proprietary setup procedures enable us to plate in deep cavities, while maintaining electroform thickness with zero porosity.

134 Based on the statistics of core analysis data, the Oligocene sediment is simplified as four formation components: terrigenous elastic minerals, carbonate, clay minerals, and porosity.

135 Porosity is reduced with the increasing of confining pressures, which conforms to the rule of logarithmic function.

136 The paper discusses the principle of porosity prediction with seismic data based on the propagation theory of seismic wave in diphase medium.

137 Study shows that the Ordovician carbonate formation in this area has the characteristic of very low groundmass porosity.

138 There easily exists shrinkage porosity due to superheat of ingate root in large plain parts investment casting.

139 Membrane modules with high porosity possess a high mass transfer coefficient.

140 Higher porosity and pore size result in greater bone ingrowth but diminish mechanical properties.

141 Shrinkage porosity and shrinkage cavity have relation with heat expansion of metal in welding process and forge force in later welding time.

142 These products have very compact structure , low apparent porosity , high refractoriness , and excellent corrosion resistance.

143 The clastic reservoirs in the region are middle to low in porosity and permeability.

144 The coalification controled the porosity and surface physicochemical property of coal, then controled the occurence space of coalbed methane and the coal's affinity for methane.

145 Study shows that the Ordovician carbonate formation in this area characteristic of very low groundmass porosity.

146 The petrophysical lower limit values of an effective reservoir includes porosity, permeability and oil saturation.

147 When the biaxial nominal stresses are equal to each other, the mathematical relationship between loading strength and porosity can be also gained for the foamed metals under biaxial equal loads.

148 Effective porosity controls gas distribution, while fracture controls gas production rate.

149 An amendment should decrease bulk density, increase total porosity, and increase water and air content.

150 The low density drilling fluid has borehole excavation effect on compensated neutron porosity logging, and by this way apparent porosity is lower than the true value.

151 The said method can also be used to calculate the adsorption factor to tracer by porous medium if the effective porosity of the medium is known.

152 The propagation velocity of seismic wave is dependent on the property of formations, such as formation component, elasticity, density, depth, geologic age, porosity and tectonic activity.

153 The results show that net burden pressure has obvious influence on porosity, permeability and rock compacting factor with little effect on pore configuration.

154 It is discussed that adiabatic material, as well as ratio of height and width effected solidification, shrinkage cavity and shrinkage porosity.

155 The results show that the microporosity morphologies transform from fine porosity to microporosity with the increase of the samples thickness of cast magnesium alloy.

156 For more highly cemented materials and limestones, significant difference in total porosity and effective porosity values may occur.

157 The minimal value of porosity is around 2.5 % though throat radius method and porosity - water saturation method.

158 The paper also studied the effects of porosity, fluid saturation in diphasic medium(water gas and oil gas) and change of overburden pressure on reflection wave AVO.

159 The main problem of decompaction correction is how to found a reliable porosity depth function or density depth function which expresses the compaction process of clastic rock.

160 According to Changchun-Siping Expressway testing data,[] the limits of faculative Porosity of the asphalt surface on expressway in frigid areas are presented.

161 And study the influence of welding speed and active gas for welding porosity defect.

162 The pore structure of EG was measured by nitrogen adsorption and mercury porosimeter methods. The space around EG particle was observed by SEM and the porosity of EG was measured by pycnometer method.

163 The pyrogenic decomposition property, porosity and graphitization extent of petroleum coke were investigated by analyzing the petroleum coke raw material.

164 By the linkage between the seepage coefficient, porosity and stress, the hybrid analysis model for coupled seepage and stress field in rock mass of equivalent continuum is established.

165 PICKETT method is mainly based on cross-plot of deep laterolog and porosity from well logs and core data.

166 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.

167 This is a Natural basalt stone with a homogeneous structure and some vacuolar porosity with a high feldspar content(around 75%).

168 A pulp sample keeping its original structure can be prepared by using freeze-drying technique and the porosity of the pulp can be determined.

169 The numerical simulation of 3D temperature field of castings during solidification process was carried out and the shrinkage cavity and porosity of sample castings were predicted using G/R method.

170 Moreover, M. alternifolia developed aerenchyma and adventitious roots during inundation, with root porosity in the flooded seedlings much higher than that of the control.

171 The influence of the ratio of Alg, W component and porosity upon the resistivity of Ag - W electro - contact material were examined by the computer simulation approach .

172 Based on the porosity data by core analysis, this paper presents two new equations and two new interpretation charts to calculate porosity in carbonate reservoir.

173 Simulation indicates that effective control of porosity in the jigger can be achieved via this system.

174 Results Pyrethroid residue in mandril increased by 400% and porosity reduced by 45% after heating electrothermal vaporizing liquid.

175 Shrinkage and shrinkage porosity, stress and deformation often occurs during the production of heavy steel casting.

176 The microstructure and porosity were observed under scanning electron microscope, and the pore diameter, rate of water absorption, and surface density were determined.

177 By adhesive test show that aggregate in the case of fully drying, porosity can enhance the adhesion.

178 If the effective porosity is given, the reflection coefficient of a solitary wave decreases also as the permeability coefficient increases.

179 The test results showed that the elastic modulus and yielding strength of porose material decreased with increase of its porosity, and the changing trend became slow gradually.

180 Among them, leaching of meteoric water has contributed less to the formation of anomalously high porosity zones compared to other factors.

181 The casting process was optimized by the simulation and the shrinkage hole, shrinkage porosity in the ductile iron hub were eliminated successfully.

182 However, at the fixed effective pressure level, the effect of temperature on the porosity of sandstone is very small.

183 There is a certain functional relation between seismic interval velocity and formation porosity asas residual porosity.

184 Recognizing that the solubility of gas is greater in the liquid state than in the solid state, the subject of weld porosity is relevant to fusion zone discussion.

185 It contains a study of fluid flow in metamorphic environments and their interaction with rock properties such as porosity and tortuosity .

186 The shell limestone is thin bed, compact and anisotropism, so the reservoir is of low porosity, low permeability and pore fracture character.

187 After that, a layer of nickel was electrodeposited on the opal, which was then etched away. The porosity of the nickel layer was then increased using electropolishing.

188 And Aerosil could be used as dispersing agent due to its large specific surface area, high porosity and unique adsorption properties.

189 The relation between the chlorinity and porosity may be approximated by a hyperbola.

190 Fine-grained fossilized limestone with pink areas and some white veins. The stone has a homogeneous structure[http://], with medium-low porosity.

191 Shrinkage cavity and shrinkage porosity were eliminated by adding iron chill on the valve body which make progressive solidification, together with atmospheric feeder which feed the casting.

192 The research of high porosity cigarette paper made of poplar pulp is introduced in this article.

193 Seismic velocity can occasionally be affected by porosity and temperature.

194 The effective porosity and original gas saturation of gas reservoir are the important parameters in calculating gas reserves.

195 Log data may be used for calculating shaly capping beds parameters such as thickness, displacement pressure, total porosity, effective porosity, permeability, sand content, etc.

196 The magnitude of the peak value is concemedwith weight of tobacco rod and porosity of cigarette paper .

197 The shrinkage cavity, depression, shrinkage porosity, scab and swell defects often took place with the heavy plate castings produced by adopting traditional foundry method.

198 There is a special kind of oil reservoir in WL Oilfield, whose effective porosity and permeability is within the range of normal oil reservoir, but its acoustic interval travel time is very low.

199 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.

200 The residual porosity indicates the compaction state of the formations.

201 Modified liquid substitution method was utilized to measure porosity of various scaffolds.

202 The porosity and pore diameter of Antheraea pernyi silk fibroin are big, and the pore density is small after freezing drying at lower fibroin concentration or by high freezing temperature.

203 The most perspicuous physical characteristic of the porosity of a soil rock matrix is its continuity.

204 A numerical analysis method is presented to simulate the shrinkage porosity formation in steel castings on the basis of heat flow, interdendritic fluid flow and possible evolution of dissolved gases.

205 Peat moss is well known for high porosity and perlite has a similar property.

206 And analyzes the reason and forming mechanism of the defects such as cold crack, air porosity and oxidation etc. proposes the measures of welding process to ensure the welding quality.

207 An improved method of measuring effective porosity of rock samples is presented.

208 The minimal value of porosity is around 5 % though throat radius method and porosity - water saturation method.

209 Influence of hot-pressing time, temperature and pressure on the porosity and compressive strength of the scaffold.

210 Bourgeon, location distribution and growth of porosity anodic oxide film affected by the formed air bubble were brought forward.

211 Thermal insulation properties of specimens are proportional to thickness, surface density, and are inversely proportional to porosity, permeability, etc.

212 This model is suitable for predicting the porosity of clastic rock reservoirs with relatively high matrix content.

213 The complex structure of exhaust hood is described by body fitted coordinates and porosity.

214 Laser incident angle; Pulse frequency; Shielding gas; Inconel 690 Alloy; LBW ; Porosity.

215 Methods A total of 15 pig tibiae were used to test the cancellous bone porosity, their relative density and the material density with the direct method and the statistical method respectively.

216 From this structure-property model, the mathematical relationship between biaxial nominal failure stresses and porosity was deduced and eventually derived for this material.

217 The cooling rate is faster in chromite sand mold, but also causes more porosity in castings.

218 Oil saturation is one of the important parameters to evaluate fluid property and oil-bearing occurrence in a reservoir, which is mainly calculated by geochemical pyrolysis value, porosity and so on.

219 Through the experimental study on the law of ultrasonic wave and porosity, the law of effect of temperature on sandstone damage is obtained.

220 Wire mesh honeycomb combines a low pressure drop compared with powder catalyst and high mass transfer compared with ceramic honeycomb,[] mainly attributed to the high porosity of wire mesh structure.

221 Cortical porosity and micro canal surface density are different between 2 D calculation and 3 D measurement.

222 The reflection coefficient of a solitary wave decreases as the effective porosity increases for a given permeability coefficient.

223 With the increasing bio - organic fertilizer, the bulk density decreased and the general porosity increased. 3.

224 Three important reference functions including porosity, two-point probability function and linear path function for constructing digital core are listed.

225 Oolite lime sand packs naturally with 40 % porosity because the particles are essentially spheroids.

226 The relationship between bulk modulus, macro-compressibility and porosity is also given.

227 The epidiagenetic karst porosity, early reburial deep dissolution porosity and middle-late structural cracks constituted the main oil and gas reservoir spaces in hydrocarbon accumulation period.

228 Four kinds of amendments can improve soil physical properties. Soil bulk density decreased, soil porosity, permeability coefficient and field capacity increased under treatments.

229 Can increase the internal porosity of the friction material thus helping to reduce noise.

230 Acid and Basic Resistance, porosity permeability of the pot without water seepage.

231 According to the simulated temperature fields and solid fraction, the hot spot and shrinkage porosity are not found in the bolster casting, so the new casting process is feasible.

232 Experimental results showed that the structure, porosity and particle size of ludwigite ores have a significant effect on the reduction rate.

233 Although the well logging data of FMI are efficient in the fractured porosity evaluation, its cost is high and so its application is limited.

234 Bacterial enzymes are also preferred for the desirable end product qualities of porosity and breaking strength.

235 The aperture and porosity are compared which in sulfuric acid and oxalic acid by SEM.

236 The porosity and permeability of coal-bearing strata have important influence to the exhaust and mining of coal bed gas , but the production of coal bed gas is precondition of its richen.

237 The porosity of the fiber bundle may be varied to enhance gas exchange with the blood.

238 In this paper , metal - bonded diamond wheels of different sized abrasive grain with different porosity were fabricated.

239 In this paper, the porosity in the welds of local dry CO_2 gas shielded semi-auto-matic underwater welding was studied, and the effect of CO_2 gas flow rate on theformation of porosity was stressed.

240 This paper analyses the source of uncertainty of porosity tested by submergence and evaluate the uncertainty.

241 Batch production shows there are no shrinkage cavity and porosity in casting, and no blowholes and sand inclusions on the top surface. The yield of the casting is 81%.

242 The model simulates sodium flow in the steam generator as quasi-continuum. The model uses volume porosity, area permeability and distributed resistance to model the tubes and support plates.

243 The improvement of deposit property had relation to the decrease of porosity, the refinement of grain and the variation of each diffraction peak' preferred orientation degree.

244 In this area the density value of logging response of volcanic rock correlate well with porosity.

245 The oil-bearing formation of Yan 2 block of Benbutu oil field is Jurassic Sangong River group, which is low porosity and low permeability.