uranium-bearing material

But Iran would export about 58 per cent of its total stockpile of low-enriched uranium, a move that would constrain its ability to produce the highly enriched material needed for a nuclear bomb.

但伊朗将会出口约58%的低纯度浓缩铀储备，此举将限制其生产核武器所必须的高纯度浓缩铀的能力。

The escape of neutrons occurs at the exterior of the uranium ( or plutonium ) material.

中子的逸漏发生于铀 ( 或钚 ) 块的外表面.

To make the fissile material, he needs to develop an ability to enrich uranium.

为了得到分裂物质，他需要发展浓缩铀的能力。

This paper studies the measurement, calculation of radon eduction rate and the control to radon eduction rate by covering some material in big area of tailings for remediation and decommissioning of uranium tailings impoundment.

就铀矿冶设施退役环境治理过程中涉及铀尾矿库中的大面积铀尾矿氡析出率的测量、计算及用覆盖方法控制氡析出率的有关问题进行了探讨。

Unlike them , it declines to end the production of fissile material — uranium and plutonium — for bombs.

与五个核大国不同,它拒绝签署禁止核试条约, 它拒绝中止核燃料(铀和钚)生产.