porosity造句
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.
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