Element 43's radioactivity makes it easy to isolate and measure.
43号元素的放射性使其易于分离和测量。
什么是放射性呢？
In fact, she coined the term, "radioactivity."
“放射性”的这个名称，其实就是她所创造的。
We have to learn to control radioactivity.
我们必须学会控制放射能。
The recovery of the radioactivity was more than 88%.
关键步骤的放射性回收率在88%以上。
The data indicates the article has no radioactivity.
资料显示无放射性危害。
Plants in the area are now being tested for radioactivity.
当地的工厂正在进行放射性测试。
Title: Can lasers lead to nuclear energy without radioactivity?
报告题目：如果不用放射性，激光能产生核能吗？
Counting of radioactivity is a important method in nuclear detecting.
放射性计数是核探测中的基本方法。
The presence of radioactivity in some vegetables and milk has been confirmed.
已经确认在一些蔬菜和牛奶中发现放射性物质。
Food with radioactivity levels below these GLs is safe for people to eat.
人们食用低于该指导值的食品是安全的。
This example illustrates the great sensitivity of the radioactivity method.
这个例子说明了放射性方法很灵敏。
For example, a reader may also capture the temperature or radioactivity of an item.
例如，读取器也可以捕捉物品的温度或放射能。
They're trace levels but of course with radioactivity we can measure very low amounts.
这些微量放射性物质达到了检出水平，我们当然能够检出极低含量的放射性。
The ability of radiation to induce radioactivity in food is related to its energy.
辐照所引起的使食物具有放射性的能力是与辐照的能量有关的。
The unhealthful radioactivity in environment has increasingly been an interest problem.
环境中放射性对健康的影响日益成为人们关心的问题。
There is close relationship between the radioactivity and the area's geology in environment.
天然放射性辐射环境与该区域内的地质环境密切相关。
There is close relationship between the radioactivity and the area's geology in environment.
天然放射性辐射环境与该区域内的地质环境密切相关。
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