单词例句
The great mind was on fire for radioactivity.
这位伟大的思想家有着放射性的思想。
These rare metals have radioactivity.
这些稀有金属具有放射性。
Radioactivity is characteristic of elements such as uranium and radium.
放射性是诸如铀、镭之类元素所特有的。
The half-life of a radioactive isotope is the time it takes for half of the material to decay radioactively.
放射性同位素的半衰期是指其物质衰变一半所需的时间。
Radioactivity is a natural phenomenon discovered by Marie and Pierre Curie in 1896.
放射性是一种自然现象，由玛丽·居里和皮埃尔·居里于1896年发现。
Exposure to high levels of radioactivity can be extremely hazardous to human health.
接触高强度的放射性辐射对人类健康极为危险。
Geiger counters are commonly used to detect and measure radioactivity.
基尔戈计数器常用来检测和测量放射性。
Radioactive waste from nuclear reactors must be handled with great care to prevent environmental contamination.
核反应堆产生的放射性废物必须小心处理，以防环境污染。
The Chernobyl disaster in 1986 was caused by an explosion at a nuclear power plant, releasing massive amounts of radioactivity into the atmosphere.
1986年的切尔诺贝利灾难是由一家核电站爆炸引起的，大量放射性物质被释放到大气中。
Some medical treatments, such as radiation therapy for cancer, utilize controlled levels of radioactivity to destroy unhealthy cells.
一些医疗治疗，如癌症的放射疗法，利用控制水平的放射性来摧毁不健康的细胞。
Carbon dating is a technique that uses the radioactivity of carbon-14 to estimate the age of archaeological artifacts or fossil remains.
碳定年法是一种技术，利用碳-14的放射性来估计考古文物或化石残骸的年代。
Radioactive tracers are used in medicine to track the movement of substances within the body.
放射性示踪剂在医学中用于追踪体内物质的移动。
Safety protocols in laboratories handling radioactive materials are stringent to minimize the risk of exposure and accidents.
处理放射性材料的实验室中的安全规程非常严格，以尽量减少暴露和事故的风险。