| 1. | This membrane is semi-permeable . 这层膜是半渗透性的。 |
| 2. | Sift the anthers onto unglazed, permeable paper, such as newspaper or paper toweling, for drying . 将花药筛到无光的、具渗透性的纸上,如报纸或卫生纸,以便花药干燥。 |
| 3. | Electric field response of gas permeability of coal 煤体瓦斯渗透性的电场响应研究 |
| 4. | Testing method for water vapour permeability of leather 皮革水气渗透性的测试方法 |
| 5. | Method of water permeability test for packing material 包装材料水渗透性的试验方法 |
| 6. | Standard test method for permeability of refractories 耐火材料渗透性的标准试验方法 |
| 7. | Packaging . determination of degree of impermeability to grease 包装.油脂不渗透性的测定 |
| 8. | Standard test method for penetration of bituminous materials 沥青材料渗透性的标准试验方法 |
| 9. | Permeability of alginate calcium skin 软胶囊成型及皮膜渗透性的研究 |
| 10. | Standard test method for permeability of rocks by flowing air 流动气体对岩石渗透性的标准试验方法 |