的意思 promethium

1. Promethium is a rare earth metal that is used in nuclear batteries.
- 镧是一种用于核电池的稀土金属。

2. The scientists are studying the properties of promethium in order to develop new technologies.
- 科学家正在研究镧的性质，以开发新技术。

3. Promethium has a number of isotopes, with varying degrees of radioactivity.
- 镧有许多同位素，放射性程度不同。

4. The production of promethium is limited due to its scarcity and high cost.
- 镧的生产受限于其稀缺性和高成本。

5. Promethium is used in certain types of luminous paint to create a glowing effect.
- 镧被用于某些类型的发光涂料，以产生发光效果。

6. The medical industry uses promethium in certain imaging techniques for diagnosing conditions in the body.
- 医疗行业使用镧在某些成像技术中，以诊断身体状况。