Starting pressure of low permeability cores by using mercury injection method;
运用压汞法研究低渗岩心的启动压力
The fractal number can be calculated from mercury injection data.
以压汞资料为基础计算岩石的孔隙分维数,并建立了储层岩石品质指数与孔隙分维数的半对数关系,在此基础上建立了各类岩石的相对渗透率和毛细管压力的类属方法,将储层非均质性从对渗透率非均质表征延伸到了岩石与流体相互作用关系的表征。
Besides, its values can be gained by means of mercury injection (include helium instrument for porosity test), thin section observation, scanning electronic microscopy (SEM) with digital plates for automatic processing.
另外,还可通过压汞试验(包括氦孔隙仪和压汞仪)、薄片观测、扫描电镜图象处理等试验分析得到其数值。
In this paper, the physical characteristics of rice husk and char particles prepared under different gasification processes were studied by physical adsorption/desorption measurements of N2 (-196℃), mercury intrusion porosimetry (414 MPa) and true density measurement (He).
本文通过氮气等温吸附/脱附法(-196℃)、压汞法(414MPa)、真密度仪(He)等详细研究了在气化条件下谷壳的物理结构的演化,同时利用元素分析和傅里叶红外对颗粒化学结构进行分析。
Pore volume fractal dimensions of fly ash - cement paste at different ages and its pore volume fractal dimensions were determined by MIP(mercury intrusion porosimetry) on experiments.
采用压汞法对不同龄期粉煤灰-水泥浆体的孔分形结构进行了实验研究,测定了复合浆体孔体积分形维数,探讨了孔体积分形维数与孔隙率,孔表面积、平均孔径、孔分布及宏观力学性能的关系。
In this study, the mercury intrusion porosimetry (MIP) tests were performed on the natural sedimentary diatomaceous soil to investigate the relationship between the change in entrance pore size distribution and the applied stress level.
采用压汞法研究了不同固结压力作用下具有强结构性的天然沉积硅藻土的微观孔隙入口孔径分布与应力水平的关系。
In order to characterize quantitatively the microstructure of freeze-dried material, the computational method of surfacefractal dimentsion through mercury intrusion is introduced.
研究表明:采用压汞法能够简便和合理地获得冻干物料的表面分形维数,可采用表面分形维数对冻干物料内部孔隙结构的粗糙和复杂程度特性进行定量描述;冻干物料的表面分维值主要与物料的孔隙分布特性有关,小孔的体积份额越大,物料的表面分形维数也越大。
In order to represent structure and shape of pores in freeze-dried materials quantitatively, based on mercury intrusion, two fractal models of porous media were employed to characterize pores in freeze-dried bovine muscle and cured beef.
为了定量表征冷冻干燥物料孔隙结构和形貌特性,采用两种多孔介质分形模型,通过压汞法研究冻干牛肉和冻干腊牛肉孔隙结构的分形特性。
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