radioactivity
例句与用法
- Overburden had concealed the radioactivity .
覆盖层屏蔽掉了放射性。 - Natural radioactivity contains a store of valuable information .
天然放射性包含着许多有价值的信息。 - Radioactivity is found on both sides of the failure plane in all cases .
破断面的任何一侧都发现有放射性。 - 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。 - Radioactivity is the ejection of particles or radiation from the nucleus .
放射性是原子从核中射出粒子或辐射的现象。 - The atomic bomb is characterized by the grave injuries caused by radioactivity .
原子弹具有由辐射引起严重损伤的特点。 - The radioactivity of a sample is defined to be the number of disintegrations per unit time .
样品的放射性定义为每单位时间的蜕变数目。 - At the surface, radioactivity of the conglomerates is locally as high as 30 x background .
在地表,砾岩的局部地段的放射性高达30倍本底值。 - In practice it would be possible to measure radioactivity one thousand fold less than this .
在实际上,比这个值小一千倍的放射也有可能测定。 - At the same time radioactivity injured the inner tissues of the skin and formed keloids on the surface of the skin .
辐射力同时破坏组织,在表皮上形成瘢痕。
用"radioactivity"造句