formation porosity 地层孔隙度
formation facctor-porosity relationship 地层因数
compensated neutron formation porosity 补偿中子测井地层孔隙度
formation porosity pressure 地层孔隙压力
formation average porosity 地层平均孔隙度
formation acoustic porosity 声波孔隙度
Formation of Shrinkage Porosity 缩松形成
formation facctor-porosity relationshipformation factor 地层因数
The effect of hexachloroethane degasser pretreatment on porosity formation in ultrasonic ingot is investigated.
研究六氯乙烷脱气剂对超声波处理铸锭内气孔的影响。
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.
提出了预测铸钢件中缩松缺陷的数值方法，考虑了传热、枝晶间液相流动和气体析出等因素。
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.
采用着色腐蚀技术，金相显示了球墨铸铁缩松区中奥氏体枝晶组织形貌，分析了球铁缩松的形成机制。
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