The percolation mechanism in low permeable reservoirs is investigated through studying the law of NMR relax time in different displacement stage of full core.
通过研究全直径岩心不同驱替阶段核磁共振弛豫时间谱的变化规律，探讨了低渗透储层渗流机理。
The results showed that the intensity distribution had relation with the velocity of percolation, time, coefficient of convection and diffusion.
发现污染物在土壤中的质量浓度分布与渗流速度、作用时间、扩散系数等有关。
The result shows that cyclic water injection may be more effective if increasing oil-water percolation rate, standup pressure time and water holdup coefficient.
周期注水技术主要是通过油水交渗效应、毛管压力作用，增加注水波及体积，从而提高水驱采收率的技术。
Results There is a higher extraction rate of percolation, and the microwave extraction method has an advantage of shorter extraction time.
结果渗漉提取率较高，而微波法提取则具有提取时间更短的优点。
Percolation at all levels of the four soils, except at certain levels of the red soils derived from basalt and red sandstone, does not change with the time.
除玄武岩和红砂岩发育红壤的某些层外，其他土壤各层的土壤渗漏量不随时间变化而变化。
Compared with conventional percolation leaching process, the leaching rate is improved by 3%, leaching time is shorted by 26%, and acid consumption is saved by 34%.
同目前渗滤浸出工业化生产相比较，提高铀浸出率3%，浸出周期缩短26%，节省硫酸34%。
Compared with conventional percolation leaching process, the leaching rate is improved by 3%, leaching time is shorted by 26%, and acid consumption is saved by 34%.
同目前渗滤浸出工业化生产相比较，提高铀浸出率3%，浸出周期缩短26%，节省硫酸34%。
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