枕芯的防护层，采用美国杜邦公司高密度面料，通过检测证实，尚未发现渗透现象。
The protection layer of the pillow core is produced by adopting the high-density face fabrics provided by DuPont. It is proved by test that there is no tea saturation phenomenon.
本文通过油墨的色迁移和色渗透现象及产生原因，分析其对内装食品材料造成的影响。
This text pass the phenomenon and reason of printing ink which cause the color-transfer and color-infiltrate, analyzing the influence for the food packing materials.
试验结果证实了页岩与水基流体之间存在着渗透现象，且页岩是一个非理想性的半透膜。
Therefore, osmotic phenomenon exists in the system of shale and water based fluid, but shale is a non-perfect semipermeable membrane.
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