A millisievert of radiation is equivalent to three chest X-rays.

一毫西弗的辐射量相三次胸透。

A millisievert of radiation is the equivalent to three chest x-rays.

一毫西弗的辐射量相做三次胸透。

Essentially, SPF measures how much radiation is blocked from reaching your skin.

实际上，SPF 衡量的是被阻隔在你皮肤外的辐射量。

But had we known how much radioactivity was already in the air.

但是如果我们早知道空气中有多高的辐射量。

And if you increase by ten from it, you assumed that will be ten.

辐射量增加十倍，死亡会增加十倍。

The small amount can release radiation equal to 10 X-rays every hour.

量铯-137每时辐射量相1时接受10次X射线检查受到的辐射。

It contains Caesium-137 which emits radiation equal to 10 X-rays per hour.

该胶囊含有铯 137，辐射量相每时（接受） 10 次 X 射线。

Xu says the radiation from the device isn't harmful-just a fraction of what we get from our smartphones.

许文耀表示，这一设备产生的辐射不会对体造成伤害，其辐射量只是智能手机辐射的一部分。

At that level of radioactivity, people never should have been sent!

辐射量那么高，根本不该派上去！

If a worker's annual limit is ever reached their site access is canceled and they're banned from returning.

如果一名工接触的辐射量达到了年度接触限制，他们的现场准入将被取消，他们将被禁止返回工地。

Three years on the surface of Mars exceeds the radiation dose limits imposed on NASA astronauts for their entire career.

在火星表面上呆三年，受到的辐射剂量便会超过NASA宇航员整个职业生涯的辐射量。

Over 400 times the amount of radiation released by the Hiroshima bomb was unleashed into the atmosphere by the accident.

这次事故释放到大气中的辐射量是广岛原子弹的 400 多倍。

Radioactivity at the mouth of the tunnel is three hundred times higher. Not a single miner is spared from exposure.

地道口的辐射量高达300倍 所有矿工都逃不过辐射。

So just ambient radiation living at sea level is one millisievert a year.

因此，生活在海平面高度，我们每年受到的环境辐射量是1毫西弗。

That increases you from one to two millisieverts a year.

这使得你每年接受的辐射量从一毫西弗增加到了两毫西弗。

Radiation is all around us in the world, but there isn't very much of it.

世界各地都有辐射，但辐射量并不多。

IT TOOK MARIE MORE THAN THREE YEARS TO GET ENOUGH RADIUM FOR THE TEST.

玛丽花了三年多的时间才获得足够的辐射量进行测试。

It's still potentially highly dangerous and workers are required to carry dosimeters to keep track of their radiation exposure at all times.

它仍然具有潜在的高度危险，工作员被要求携带放射量测定器，随时跟踪他们接触的辐射量。

NASA's Curiosity rover measured the radiation falling on it as it cruise through space for eight months to get the red planet.

NASA的“好奇号”漫游者在太空航行8个月抵达这颗红色星球，它测量了自身在该过程中接受的辐射量。

If you could absorb all the banana's radiation, you'd need around 170 a day to hit your annual dosage.

如果你能吸收一根香蕉的全部辐射，那么你每天需要吃大约170根才能达到年辐射量。