That part of the effect of gas on the neutron porosity measurement that is not explained by differences in hydrogen index.
天然气对中子孔隙度测量的影响不能由含氢指数的差别来解释。
The scaffolds were investigated by histological staining, SEM observation and porosity measurement, water absorption rate analysis. MTT test was also done to assess cytotoxicity of the scaffolds.
冷冻冻干后，对支架材料进行组织学及扫描电镜观察，测定支架孔径和孔隙率、吸水率，并采用MTT法分析支架浸提液毒性。
As coal core experimental measurement is very difficult, there is no data collection of coal core porosity and permeability from this region for quantitative validation.
由于煤心实验物性测量开展难度很大，没有搜集到该地区的煤心孔隙度、渗透率资料来定量验证。
The way of improving measurement precision is presented through the discussion of error analysis and measuring method of core porosity.
通过对岩石孔隙度的测量方法和误差分析的讨论，指出提高孔隙度测量精度的途径。
The way of improving measurement precision is presented through the discussion of error analysis and measuring method of core porosity.
通过对岩石孔隙度的测量方法和误差分析的讨论，指出提高孔隙度测量精度的途径。
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