| 1. | A pool of mercury surrounds the negative electrode .
阴极周围是一池水银。 |
| 2. | The measuring cell consists of an insulated silver cathode .
测量电池是由绝缘的银阴极组成的。 |
| 3. | Cold cathode sensing tubes are more rugged than the glass, hot-filament tubes .
冷阴极传感管比玻璃热丝管坚实。 |
| 4. | The mosaic consists of a metal plate covered with insulating material .
嵌镶光电阴极由涂有绝缘材料的金属板组成。 |
| 5. | The interior of the tube must be kept a hard vacuum to preserve the photo cathode .
显象管内部一定要保证高真空才能保护光电阴极。 |
| 6. | The hydrogen in the gauge is ionized by electron emission from a heated cathode .
在离子计内的氢气是用一个加热阴极放射电子来电离的。 |
| 7. | Cold-cathode gages cannot be degassed as easily or as rapidly as hot-filament tubes .
冷阴极压力计不能像热丝管那样容易和迅速地排气。 |
| 8. | In discussing cells, one calls the electrode at which reductions occur the cathode .
在所讨论的电池中，在其上发生还原作用的电极叫做阴极。 |
| 9. | Excitation radiation may do this by penetrating to the cathode and ejecting a photoelectron .
激发辐射可能射到阴极，逐出一个光电子，从而引起这个。 |
| 10. | Ultraviolet sensitive photocathodes are also used in cameras in rocket and balloon-bome experiments .
火箭和气球实验的电子照相机中，还使用紫外敏感的光电阴极。 |
