英语释义

• the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

片语

radioactivity simulator放射性模拟装置

atmospheric radioactivity大气放射性

radioactivity prospecting放射性探测

radioactivity discharge放射性物质排放

alpha radioactivity放射能

induced radioactivityInduced radioactivity occurs when a previously stable material has been made radioactive by exposure to specific radiatio Most radioactivity does not induce other material to become radioactive.

Specific radioactivity放射性比度

gamma activity加马活度；加马活性；放射性

Discovering Radioactivity揭示放射现象

radioactivity protection放射性防护

emissive power发射能力；放射能力

英汉例句

• if discovered, the heavy particle would definitively show that properties like electromagnetism and radioactivity are really different facets of the same force.

  如果发现了，那重粒子将会决定性的展示出像电磁性和放射性的特性们是同一力量中十分不同的方面。

• since the storage pools are not located within containment, a catastrophic radioactivity release to the environment could occur.

  既然贮存池不再正常工作，一场释放到环境中的放射性灾难就可能发生。

• this is because the radioactivity emanating from polonium-210 is in the form of highly energetic alpha particles.

  这是因为钋—210的放射性是以高能阿尔法粒子的形式存在的。

• still, analysts don「t believe that any of the fish have high enough levels of radioactivity to harm human health.

  分析师仍然声称没有任何鱼类的放射水平高到足以伤害人类的健康的程度。

• in the future, artificial skin could be studded with sensors that respond to chemicals, biological agents, temperature, humidity, radioactivity or pollutants.

  在未来，人造皮肤将会被镶上针对化学、生物制剂、温度、适度、放射性、污染物等刺激的感知器。

• science answers: any releases of radioactivity would tend to be carried to the east across the pacific, although day-to-day weather could spread it over considerable parts of japan.

  科学家：尽管天气变化导致核辐射扩散到日本大部分地区，但是毫无疑问，任何具有放射性的物质的泄露都会扩散到太平洋的东岸。

• impounded food is buried, and tainted milk is diluted to acceptable levels of radioactivity and sold to consumers, she says.

  没收来的食品会被埋起来，被污染的牛奶需要被稀释到可接受的放射水平再卖给消费者。

• a worker measures the radioactivity of drums containing waste at yonggwang nuclear power site south of seoul, one of korea」s young fleet of nuclear generating stations.

  在位于首尔南部的荣光核电站中，一位工作人员正在测量废物桶的放射性。 荣光核电站是韩国新建不久的核电站之一。

• monitoring stations have not registered any increase in radioactivity as yet.

  到目前为止，监测站还没有发现有放射性增加的迹象。

• 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。

• the unwelcome discovery prompted naoto kan, the prime minister, to issue a new safety standard for levels of radioactivity in marine products.

  这个不受欢迎的发现促使首相菅直人发布了新的关于海产品放射性水平安全的标準。

• radioactivity can also be washed into rivers, lakes and the sea where fish and seafood could take up the radionuclides.

  放射性也可以被沖入河流、湖泊和海洋，在这些地方鱼类和海产食品可能会吸收放射性核素。

• giant detectors built to look for a hypothetical form of radioactivity in which protons decay never found such a thing.

  为了探测质子衰变放射性的假想形式，人们修建了巨大的探测器，但这些探测器从没发现这种东西。

• boffins were busily filling in the blanks in the periodic table and probing unknown atomic phenomena (like radioactivity and bonding).

  科学家们忙于填补元素周期表的空白、探索未知的原子现象（如放射性和键合）。

• food monitoring is being implemented, measurements of radioactivity in food are taking place, and the results are being communicated publicly.

  正在开展食品监测，对食品中的放射性进行测量，以及对相关结果进行公开通报。

• given the large quantity of irradiated nuclear fuel in the pool, the radioactivity release could be worse than the chernobyl nuclear reactor catastrophe of 25 years ago.

  由于池中有大量的辐照核燃料，放射性释放可能比25年前的切尔诺贝利核反应堆灾难更糟。

• how is radioactivity measured?

  如何测量放射性？

• answer: the response to an emergency involving radioactivity should be the same as the response to any emergency involving any hazardous material contaminating food.

  答：对放射性问题突发事件所作出的应对与对食品受到有害物质污染方面的任何突发事件的应对应当是一致的。

• fourth generation reactors have better ways of dealing with 「afterheat, 」 heat created by leftover radioactivity in a reactor, and could circumvent the problem completely.

  第四代核反应堆采用更为先进的方法处理「残热」，且能彻底绕开此问题。 残热产生自反应堆中残余的放射能。

• iodine-131 has a relatively short half life─its radioactivity drops by half in eight days─meaning it naturally becomes safer somewhat quickly.

  碘-131的半衰期相对较短，八天内其放射性水平会下降一半，这意味着其很快就会变得较为安全。