查询词典 sealed radioactive source

His skin ulcerate d after exposure to radioactive material.

他的皮肤因受到放射性物质的影响而发生溃烂。

As regards environmental protection, WMO's Global Atmospheric Watch monitors the chemical composition of the atmosphere including greenhouse gases, the ozone layer and ultra-violet radiation, as well as long-range transport of pollutants, aerosols, reactive gases and radioactive isotopes.

在环境保护方面，WMO的全球大气监视网对包括温室气体在内的大气化学成分，臭氧层和紫外辐射以及污染物、气溶胶、再活化气体和辐射同位素的长期距离传输进行监测。

The heaviest noble gas, it is colourless, odourless, tasteless, radioactive, and almost completely unreactive (forming compounds only with fluorine).

氡是最重的稀有气体，无色，无臭，无味，有放射性，相对不活泼。

At some point during its formation the diamond may have come in contact with radioactive material such as Uranium ore.

在某个时候在其形成的钻石可能有过接触放射性物质，如铀矿。

A yellow radioactive mineral; an ore of uranium and radium and vanadium .

一种黄色的放射性矿物；一种由铀、镭、钒混合而成的矿石。

Fuel for nuclear reactors comes from uranium ore, where when mined, spontaneously produces radioactive substances as by-products.

核反应的燃料来自于铀矿，采矿时，天然会产生带放射性的副产品。

There was a certain mineral which was even more radioactive than uranium.

有一种矿物，它的放射性甚至比铀还强。

The radiation radius of the radioactive radium radi ator in the stadium is varia ble.

有放射性的镭辐射体在广场中的辐射半径是可变的。

The gas cycle is suitable virulently for the volatility, the radioactive substance sample.

0%气体循环，适用于挥发性有毒，放射性物质的样品

Their Volcanology, Geochemsitry and Petrology shore based analytical and experimental laboratories include the following equipment for geochemical analysis: thermal ionization mass spectrometers, radioactive isotope tracer and dating facilities, an electron microprobe and an X-ray fluorescence spectrometer.

他们的实验研究设备有：热电离大型分光计、放射性同位素跟踪仪、地质年龄测定器、电子微探针、x射线荧光分光计。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。