porosity造句
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.
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