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1·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。

2·Tests show that coal with larger porosity, lower strength and higher velocity of gas desorption is more dangerous in hazard of outburst.

试验表明突出危险煤较非危险煤孔隙率大，强度小，且具有更大的瓦斯解吸速度。

3·Porosity is the result of gas in the metal.

气孔是金属中的气体存在的结果。

4·Gas reservoir in Xujiahe Section 2 in west Sichuan are low porosity, low permeability, deep, high formation pore and fracture pressure, etc.

川西须家河组2段气藏属于低渗低孔致密深层气藏，地层压力和破裂压力高。

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

分析了锡青铜叶轮铸件出现的缩孔、 气孔、冲砂等缺陷的原因。

6·It is theoretically considered that reservoir gas-bearing makes interval transit time porosity and density porosity increase and neutron porosity decrease.

理论上认为，储层含气使声波时差孔隙度和密度孔隙度增大，使中子孔隙度减少。

7·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.

认识到溶解度的气体是更大的，在液体状态，比在固体状态下，受焊缝孔隙率是相关的熔合区的讨论。

8·The research shows that anti pressure of the gas is concerned with the permeability of porous medium (the porosity and the hole diameter), the infiltration speed, and the infiltration length.

研究表明气体反压力与多孔介质的透过率(即孔隙率和孔径)、渗流速度、渗流长度有关。

9·The variation of CHGR with depth is available from the calibration of the porosity, gas saturation of electric log interpretation of the reservoir and hydrocarbon gases expansion coefficient.

经储集层段测并解释孔隙度、含气饱和度及天然气膨胀系数等校正，可作出岩石含烃浓度随深度剖面变化的成果图。

10·The effects of composition and pressure of its precursor on the properties, such as gas permeability, porosity, and electric resistivity, were studied.

研究了配料组成和前驱体成型压力对多孔碳板的气体透过性能、孔隙率、和电导率等指标影响。

气孔

1·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。