| 1. | Fuse potassium dichromate (19) in a porcelain crucible .
在瓷坩埚中熔化重铬酸钾（19）。 |
| 2. | These islands were a crucible of exploration and development .
这些岛屿是对开发和发展的严峻考验。 |
| 3. | Gooch crucibles or similar filters are used for such measurements .
在这样的测定中，采用Gooch坩埚或类似的过滤器。 |
| 4. | We might help forge in the crucible of conflict a structure of peace .
我们就有可能协助在冲突的熔炉中铸造出一个和平的结构。 |
| 5. | All gravimetric measurements require some sort of crucible or dish to hold the residue or precipitate .
所有重量分析需要某种坩埚或器皿保留残渣或沉淀物。 |
| 6. | Upon cooling, the thermal mismatch between residual silicon and quartz usually results in the fracture of the crucible .
当冷却时，残余的硅和石英间的热失配往往导致坩埚破裂。 |
| 7. | A novel method to reduce crucible erosion is by suppressing thermal convection currents, which can be done by applying a magnetic field to the melt .
减少坩埚侵蚀的有效方法是对熔体施加磁场以抑制热对流的流动。 |
| 8. | The alliance had been forged in the crucible of war
这个联盟经受了战争的严峻考验 |
| 9. | Put the required amount of metal into the crucible
把适量的金属放入熔炉内。 |
| 10. | Porcelain laboratory ware ; crucibles and lids
实验室用瓷质器皿.坩埚和坩锅盖 |
