查询词典 radioactive

A radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei.

一种放射性超铀元素，在用氦核子轰击钚时发现。

A radioactive transuranic element synthesized by bombarding einsteinium with alpha particles.

一种放射性超铀元素，用α粒子轰击锿而合成。

A radioactive transuranic metallic element produced by bombarding plutonium with neutrons.

一种放射性超铀元素，用中子轰击钚时产生。

A short - lived , radioactive synthetic transuranic element produced from californium and having

铹一种寿命期短的、人工合成的放射性超铀元素，从锎中生成，有质量从255到260的同位素，半衰期从几秒钟到三分钟；原子序数

Radioactive fallout still pollutes Rongelap Atoll, about 100 miles (160 kilometers) to the east, but the nuclear blasts seem to have had no long-term impact on marine life there, including this school of trevally fish photographed by Kristof in the late '90s.

辐射尘污染仍朗格拉普环礁约100英里（ 160公里）至东，但核爆炸似乎都没有长远的影响，对海洋生物的存在，其中包括这所学校的trevally鱼拍照Kristof在90年代后期。

Tritium is one of the mildest radioactive isotopes.

氚是最和缓的放射性同位素之一。

As a rapid calculation of radioactive shield attenuation in truncated cone, the cross points penetrated through the truncated right angle cone shielded region from source points to the detector point have been studied via numerical analysis.

提出一种数值解析法计算从放射线源到评价点的放射线所穿透圆锥台形屏蔽物体的交点坐标，从而可快速预测辐射屏蔽衰减率。

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。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。