查询词典 sealed radioactive source

Thorium is radioactive; therefore, you must always follow manufacture's warnings, instructions and the MSDS for its use.

钍放射性；因此，你必须始终按照制造的警告指示和总署供其使用。

Using Pierre's invention to make the measurements, Marie noted that thorium was radioactive.

他们用皮埃尔所发明的仪器来进行测量。

In the process of mining, milling and steel and rare earth melting, thoron element was released to the accessible environment together with smoke, wastewater and disposed slag, leading to radioactive contamination to the environment.

在采矿、选矿、钢铁和稀土冶炼等生产中，钍元素随烟尘、废水和废渣排放至环境中，造成放射性污染。

The thoriaum and uranium bearing radioactive materials associated with Baotou Municipal Baiyunerbo Mine is typical thoron associated ore.

包头市所属白云鄂博矿平均伴生 0 。0 4 %钍和 0 。0 0 1 %铀放射性物质，是典型的钍伴生矿。

Objective To investigate the effect of implanted radioactive 125I seed on normal tissue structure of trachea in rabbits.

目的 研究放射性125I粒子植入对家兔正常气管组织结构的影响及其安全性。

The transmittance is central to the theory of radioactive cooling.

透过率是辐射冷却理论的中心。

I shall now speak to you of the experiments which have led us to obtain by transmutation new radioactive elements.

我现在跟诸位讲讲那些使我们通过蜕变法获得新的放射性元素的实验。

A radioactive transuranic element which has been ''.

一种合成的放射性超铀元素。

A radioactive transuranic element which has been synthesized.

一种合成的放射性超铀元素。

The concept behind the ABR is to "burn" the transuranic elements, such as plutonium and other long-living radioactive material.

背后的概念ABR是"烧"的超铀元素，如钚和其他长期居住放射性物质。

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。