| 1. | Lungs retain relatively insoluble particulate material .
肺脏内留有不溶解的颗粒物质。 |
| 2. | Visible particulate matter can be controlled by adequate regulations .
对肉眼可见的颗粒物质的污染通过适当管理即可加以控制。 |
| 3. | Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides .
土壤和水系统中的颗粒物质都与农药的生物活动起反应，并影响后者。 |
| 4. | Bioassays on the skin, subcutaneous tissue, cervix, and trachea of experimental animals have shown that particulate matter of urban air can be carcinogenic in the intact animal .
对实验动物的皮肤、皮下组织、颈和气管的生物鉴定表明，城市空气中的颗粒物质对健康动物可能是致癌的。 |
| 5. | Determining the properties of fine particulate matter
细颗粒物质性能测定 |
| 6. | Determining the concentration of particulate matter in a gas stream
气流中颗粒物质浓度的测定 |
| 7. | Automatic monitors for suspended particulate matter in ambient air
大气中悬浮颗粒物质自动监测器 |
| 8. | Pulverized particulate matter ejected by volcanic eruption
火山灰火山爆发喷射出来的粉末状颗粒物质 |
| 9. | Particulate matter collection equipment
颗粒物质收集设备 |
| 10. | Granular matter and granular flow
颗粒物质与颗粒流 |
