| 1. | Skim the boiling rice from time to time .
随时把粥上面的杂质撇去。 |
| 2. | Impurities tend to segregate at grain boundaries .
杂质常常在晶粒间界偏析。 |
| 3. | The reflected signals come from the small inclusions .
反射信号来自于少量杂质。 |
| 4. | Aspiration removes lightweight trash by blowing it away .
轻的杂质由气吸装置经过吹风吹除。 |
| 5. | The buildup of impurities often results in defective plating .
杂质的积累经常导致不良的电镀。 |
| 6. | The sediments are detrital and largely of greywacke facies .
沉积岩为碎屑质，大部分属于杂质砂岩相。 |
| 7. | The role of dopants and contaminants in degradation cannot be ignored .
杂质和污染对退化的作用不能忽视。 |
| 8. | The impurities present have an important effect on the rate of setting .
存在的杂质对凝固速率有很大的影响。 |
| 9. | Semiconductors containing such impurities are called p-type semiconductors .
含有这类杂质的半导体叫做P型半导体。 |
| 10. | The residual impurities can effect wet-process production in several ways .
这些残留的杂质可能在几个方面影响湿法生产。 |
