| 1. | Scientists have isolated the virus causing the epidemic .
科学家们已分离出引起这种流行病的病毒。 |
| 2. | Tatum isolated a number of different auxotrophs of e. coli.
Tatum从大肠杆菌中也分离出若干种不同的营养缺陷型。 |
| 3. | The prognosis for producing a late generation segregate variety is favorable .
预测从往后几代可能分离出好的品种来。 |
| 4. | Thin, long wear sheets are formed and removed when cracks extend to the surface .
当裂纹扩展到表面时，形成并分离出薄而长的磨损碎片。 |
| 5. | They went on to isolate a series of revertants from several secondary mutants .
它们进一步从几个第二次突变型中分离出一系列的回复子。 |
| 6. | Flotation is a process for separating low density solids or liquid particles from a liquid phase .
浮选是从液体中分离出低密度固体物或液态颗粒。 |
| 7. | This may require isolating a very large number of hybrid cells in order to obtain but a few clones .
这也许需要分离出一大批杂种细胞以获得只是小量的纯系。 |
| 8. | in agreement with this prediction, we find that two compounds of the same formula, , have been isolated.
与这个预料相一致，已分离出两个分子式同为的化合物。 |
| 9. | So the preparation of a pure culture involves the isolation of a given microorganism from a mixed natural microbial population .
因此纯培养制备要从混合的天然微生物群中分离出特定的微生物。 |
| 10. | The most striking illustration of this is the isolation of untransformed revertant cells from populations of transformed cells .
这方面最显著的例证乃是从转化细胞群体中分离出非转化的返转细胞。 |
