| 1. | The positive and negative ions become separated or dissociated .
正负离子彼此分开或解离。 |
| 2. | Positive ions drift downward, negative ions drift upward .
正离子向下漂移，负离子向上漂移。 |
| 3. | A negative ion is an atom which has gained one or more extra electrons .
获得一个或多个额外电子的原子称为负离子。 |
| 4. | In some way, positive and negative ions are developed in a thunderstorm .
在雷雨中，正离子和负离子以某种方式形成。 |
| 5. | In the region where the corona exists, large numbers of positive and negative ions are formed .
在存在电晕的区域，形成了大量正离子和负离子。 |
| 6. | In general, delayed or distorted pulses, excessive plateau slope, raised working voltage, or failure to count at all are likely results of negative ion formation .
一般说来，延迟或畸变脉、过度的坪斜、工作电压的升高和不能计数，都可能是负离子形成的结果。 |
| 7. | The influence of urban green land on air negative ions
城市绿地对空气负离子的影响 |
| 8. | Oxygen carrying negative ion healthy cleaning device
带氧负离子健康清净装置 |
| 9. | A study of textiles of negative ions and their application
负离子纺织品及其应用的研究 |
| 10. | Treatment of industry waste water of inclusion - cr with negative ion surfactant
阴离子表面活性剂处理含铬工业废水 |
