... 地层因数（F）formation factor 饱水岩石的电阻率（Ro）与其孔隙中地层水电阻率（Rw）的比值，通常成为地层因数，用F表示， F=Ro/Rw 含氢指数 hydrogen index ...
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low-hydrogen index 低含氢指数
hydrogen index log 中子测井
apparent hydrogen index 视含氢指数
effective hydrogen index 有效氢指数
apparent hydrogen index hi 视含氢指数
hydrogen ion index 氢离子指数
hydrogen bond index 氢键指数
hydrogen line index 氢谱指数
hydrogen connectivity index 氢连接性指数
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。
In this paper, the stratigraohic volume density and hydrogen index gained from the information of density-neutron logging are respectively compared with both the low-limit values of gas formation.
本文从密度和中子测井信息中提取的地层体积密度及含氢指数，分别同气层体积密度及含氢指数的下限值作比较，前者小于后者，直观指示为气层。
The purity of the hydrogen in the generator is a key index during the operation process.
在运转过程中，氢冷发电机组的氢气纯度是一个重要的指标。
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