Those radioactive elements are N-16 the radioactive isotope (or version) of nitrogen (air).

这些发射性元素包括：氮16（空气中氮元素的放射性同位素）。

The city's challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years.

这座城市面临的最大问题就是处理铯—137，这是一种半衰期为30年的放射性同位素。

These cancers can be prevented if children are given pills containing the non-radioactive isotope of iodine soon after exposure.

这些癌症其实是可以避免的，只要在受到辐射之后，马上给儿童们服用不具有放射性的碘的同位素做成的药片。

The importation of the radioactive isotope, radiation equipment and other radioactive materials should come up to applicable state regulations.

进口放射性同位素、射线装置和含有放射性物质的物品的，按照国家有关规定办理。

The meteorite, which recently fell to the tropical island in Pacific Ocean, proved to be the present well of the thinnest radioactive isotope!

最近落到在太平洋的热带岛陨石证明是最薄的 放射性的 同位素的现在井！

A radioactive isotope of cobalt with mass number '0 and exceptionally intense gamma-ray activity, used in radiotherapy, metallurgy, and materials testing.

钴的一种放射性同位素，质子数' 0，具有异常强烈的伽马射线作用，用于放射疗法、冶金和材料测试。

For instance, because it takes only 8 days for the radioactive isotope iodine-131 to decay away to half its original level of radioactivity, simply waiting should be a fix.

例如，碘- 131的放射性只需要八天就衰减到它原来的一半，所以只需要等一等问题就能解决。

"What it amounts to, " said Billings, "is that The Goose can convert any radioactive isotope into a stable one. It has developed the perfect defense against radiation sickness.

“也就是说，”比林斯说道，“这只鹅能够把任何放射性同位素转变成稳定的同位素，它产生了一套完整的放射性疾病防御系统。”

The radioactive isotope Strontium-90, one of the by-products of the bombs, spread into the atmosphere, fell onto the land, was ingested by dairy cows and passed into the milk supply.

炸弹的副产品之一的放射性同位素锶-90扩散到空中，降落到地面，被奶牛摄取，然后通过牛奶供应传递出去。

The poisonous, harmful or radioactive workplace is prone to contingent occupational injuries or the transportation/storage of radioactive isotope fails to meet the provision of Article 23 hereinabove;

有可能发生急性职业损伤的有毒、有害工作场所、放射工作场所或者放射性同位素的运输、贮存不合适合本法第二十三条规定的；

When the commonest isotope of iron (56Fe) absorbs a neutron, the result is not radioactive.

当最普通的铁（56Fe）的同位素吸收了一个中子，生成物无放射性。

Lead isotope research shows that lead in ores of Mujiazhuang copper deposit and near ore country rocks is characterized by being rich in radioactive lead.

铅同位素结果研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有富含放射性成因铅的特点。

Taking the pills effectively fills the thyroid gland with enough iodine to prevent the gland from absorbing radioactive iodine, a harmful isotope emitted from a nuclear reactor.

服下碘片可以使得甲状腺充满足够多的碘元素，从而能够防止甲状腺吸收核反应堆泄露的辐射性的碘。

A radioactive, inert, gaseous isotope of radon, with a half - life of3.92seconds.

锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3。92秒。

The Mujiazhuang copper deposit with high radioactive lead isotope compositions is located in Zha-shan area of the South Qinling Orogenic Belt.

具有高放射性异常铅的穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。

A naturally radioactive carbon isotope with atomic mass 4 and half-life 5,780 years, used in determining the age of ancient organic, geologic, or archaeological specimens.

一种碳的天然放射性同位素，原子量为4，半衰期为5，780年，用于测定古代生物标本，地质标本或考古遗迹的标本的年代。

Because a radioactive form of argon is produced by decay of a naturally occurring radioactive potassium isotope, it can be used to date rocks and samples more than 100,000 years old.

因为它是稀有天然放射性同位素钾衰变而产生的，所以可以用来测定十万年以上的岩石年龄和采样。

Each element has at least one isotope with unstable nuclei that can undergo radioactive decay.

每个元素至少有一个同位素不稳定原子核可以进行放射性衰变。

A radioactive transuranic element in the actinide series, artificially produced in trace amounts. Its longest-lived isotope is No255 with a half-life of3 minutes. Atomic number102.

锘在锕类元素中的一种放射性超铀元素，人工微量制造，其最长寿命的同位素是锘255，其。

The influence of radioactive source decay on measuring error of the isotope instruments is analysed. The valuable conclusion for designing the circuit of instrument is obtained.

分析了采用不同率表电路的同位素仪表因放射源的衰减而对仪表测量误差的影响，得出了对仪表电路设计有参考价值的结论。