枝野幸男说，有“微量”的放射性物质随着蒸汽被排放至大气中。
“Tiny amounts” of radioactive material had escaped into the air during the ventilations, Mr Edano said.
答：调查结果表明，日本生产的某些食品有可能因受到放射性物质的污染而不适于人类消费。
Answer: The findings suggest that some foods produced in Japan are likely to be contaminated by radioactive material at levels unsuitable for human consumption.
居里夫人是一位具有化学专门知识的物理学家。1898年，她在法国巴黎发现了放射性物质的镭和钋。
Madame Curie was the physicist with expertise in chemistry that, in 1898, discovered the radioactive substances of radium and polonium in Paris, France.
同样的，星球也有无数的方法能够丧失自己的大气层，有可能被太阳风夺走，还有可能被太阳的放射性物质或者来自彗星和小行星灾难性的撞击耗尽。
Similarly, there are myriad ways that planets can lose their atmospheres, through stripping by the solar wind, baking by the sun's radiation or catastrophic impacts by comets or asteroids.
对于是否有骨转移，这需要全身核医学扫描来判别。转移的部位对放射性物质更多的吸收，而且是非对称的。
Whole-body nuclear medicine bone scanning allows for the detection of bony metastatic disease, which is usually identified by multiple asymmetric areas of increased uptake.
从事放射性物质工作是危险的，因为它对血液有不良影响。
Radioactive matter is dangerous to work with because it has a bad effect on the blood.
平时可多饮些茶，茶叶中含有茶多酚等活性物质，有吸收与抵抗放射性物质的作用。
Usually drink some more tea, and the tea contains polyphenols and other active substances which have the role of absorption and resistance to radioactive materials.
碳有两个非放射性的同位素，在太阳系的物质中，包括在大多数的陨石矿石中，它们的混合比例是众所周知的。
Carbon has two non-radioactive isotopes, and in material from the solar system, including most meteoritic minerals, these are mixed in a well-known ratio.
为研究野外放射性污染物受雨、雪淋洗的程度，进行了模拟物的淋洗实验，结果初步表明有相当一部分放射性物质被淋出。
Leaching experiment with simulative material was carried out in order to study the leaching degree of field radioactive pollutant by rainwater and snow.
受损的日本核电站泄露出来的放射性物质里都有什么东西这些东西危险性有多大呢？
What's in the radioactive vapors leaking from the damaged Japanese nuclear power plant, and how dangerous is it?
受损的日本核电站泄露出来的放射性物质里都有什么东西这些东西危险性有多大呢？
What's in the radioactive vapors leaking from the damaged Japanese nuclear power plant, and how dangerous is it?
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