radioactivity的例句（radioactivity在句子中的用法）

• The level of radioactivity in the soil was found to be above recommended limits. 土壤的辐射水平被发现超过规定的限度。
• They argued that only a negligible rise in atmosphere radioactivity resulted from the test. 他们辩解说,由这次试验所造成的大气层放射活动的增加是微不足道的。
• The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday. 昨天拆除核后处理工厂引起了放射物泄漏。
• A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity. 一种叫铀的金属发出一种射线, 后来玛丽·居里把这种现象称为放射性.
• 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.
• Overburden had concealed the radioactivity. 覆盖层屏蔽掉了放射性.
• The site was found to be contaminated by radioactivity. 发现此地受放射线污染.
• The soil contains 30 times the acceptable level of radioactivity. 这片土壤受到了高于标准30倍的辐射.
• the process of decontaminating areas exposed to radioactivity 清除受放射污染地区有害物质的过程
• This is a Geiger counter for detecting radioactivity. 这是一种盖革计数管,用来测量辐射的.
• 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.