gas porosity

基本解释

The gas porosity of section plane was characterized with scanning electron microscopy (SEM).
用扫描电镜（SEM）表征了材料剖面气孔的形态结构。
The causes of the defects of slag gas porosity in cylinder casting of 4105 diesel engine by the SEM and EDAX are analyzed.
对4105发动机缸机缸体铸件出现的批量渣气孔现象进行了分析。
In the industrial production of aluminum alloy, the defects such as gas porosity, oxide inclusion, coarse microstructures and segregation hinder the improvement of industrial production.
而铝合金生产中存在易吸气氧化，铸坯凝固组织粗大，合金元素偏析等问题，严重阻碍了铝工业的发展。

Wells in shale plays have to undergo a process known as fracturing to boost the porosity of the rock and to make oil and gas flow to the well head.
FORBES: Baker Hughes Ramps Up Oil Fracking On Low Natural Gas Prices