日本福岛核泄漏对全球的影响仍在蔓延。根据中国国家核事故应急协调委员会3月31日发布的信息，我国北京、上海、天津、重庆、河北、山西、内蒙古等25个省区市的空气中，检测到来自日本核泄漏释放出的极微量人工放射性核素碘-131。
因为这个，每一个核反应堆都有摆脱热量的方式并且阻塞那些快速移动的核微粒。
Because of this, every nuclear reactor has ways of getting rid of the heat, and blocking those fast-moving radioactive particles.
或许是受到了1950、60年代的核微粒遮蔽所的启发，比尔·庞斯（Bill Bounds）站在他在曼哈顿海滩洛杉矶郊区自建的烟雾报警室的入口。 时间为1971年。
Perhaps inspired by the nuclear-fallout shelters of the ‘50s and ‘60s, Bill Bounds stands at the entrance to his underground smog-alert chamber in the L.A. suburb of Manhattan Beach in 1971.
什么是卵石层反应堆，事实上就是同样的,铀核包装的微粒,有大约1万的微粒,被放入了一个石墨卵石里。
What a pebble bed reactor is, is in fact the same coated particle with the uranium kernel and there are about ten thousand of these particles that are put into a graphite pebble.
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