储层预测范围内渗透性砂层的预测是一个研究较少，难度较大但又不是油气勘探中急需解决的课题。
In the reservoir prediction, the prediction of permeable sands is studied fairly little and has considerable difficulty, but is a problem badly in need of being solved in reservoir exploration.
田间土壤的容重常在1.0到1.4克；立方厘米范围内，且具有均匀的孔隙度和渗透性。
Field soils often have bulk densities ranging from 1.0 to 1.4gcc; with commensurate porosities and infiltration characteristics.
研究表明，砂岩层内的早期成岩作用(压实、压溶、胶结和交代作用)使孔隙度和渗透性降低。
Researches show that in the early stage of sandstone diagenesis, compaction, pressure solution, cementation and replacement reduce both the porosity and the permeability.
本文主要对胶质细胞与神经元之间的渗透性介质—牛磺酸在“下丘脑-神经垂体”神经内分泌系统内的作用作一简要回顾。
The authors in this paper have reviewed the role of taurine as an osmomediator between glial cells and neurons in the neuroendocrine hypothalmo-neurohypophysial system.
本文讨论柯西不等式在不同领域的内通性、渗透性和统一性。
In the paper, we discusses the internal cause permeability and unity of Cauchy inequality in the different fields.
小说将内聚焦与零聚焦巧妙地进行搭配，使前者的渗透性和后者的整合性有机结合、优势互补，叙事效果发生了奇妙的变化。
The ingenious combination of internal focus and zero focus enables the permeability of the former and the complementarity of the latter to make a difference in the narrative effect.
小说将内聚焦与零聚焦巧妙地进行搭配，使前者的渗透性和后者的整合性有机结合、优势互补，叙事效果发生了奇妙的变化。
The ingenious combination of internal focus and zero focus enables the permeability of the former and the complementarity of the latter to make a difference in the narrative effect.
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