裂变材料的生产

The production of fissile materials

中国裂变材料的储备，比起美国的来小很多。

China's stockpile of fissile material is a miniscule fraction of that of the United States.

它基本上是一个下落不明的印度的核武器用裂变材料的宝贵源泉。

It is basically an invaluable source of unaccounted fissile material for India's nuclear weapons.

重振外交上努力，加速武器级裂变材料的禁产谈判也可以起到修补全球不扩散制度的作用。

Reinvigorated diplomacy on a treaty cutting off the production of fissile material for weapons might do so as well.

少量的裂变材料不能维持链式反应（绝大多数中子逃逸了）。

The few fissile materials could not maintain the chain type response(overwhelming majority neutron escape).

少量的裂变材料不能维持链式反应 ( 绝大多数中子逃逸了 ).

The few fissile materials could not maintain the chain type response ( overwhelming majority neutron escape ).

要尽早谈判缔结具有普遍性的可核查的《禁止生产武器用裂变材料公约》。

Negotiations should be conducted as soon as possible for the conclusion of a universal and verifiable Fissile Materials Cut-off Treaty.

用于和平建设目的的核反应堆所需要的铀浓缩与后处理设施同样可容易地用于制造核武器所需的裂变材料。

It's true that the nuclear enrichment and reprocessing facilities used to produce fuel for peaceful reactors can just as easily be used to make fissile material for bombs.

开展了有源符合中子法探测235U富集度为90。34%的小圆柱状金属铀块裂变材料的方法与技术研究。

A small column of Uranium fission material, which contains 90. 34%235U, is detected by active coincidence neutron counting in this study.

提出一种快速求解圆柱核裂变材料几何特性的方法，并用数值计算得出的精确G因子值验证了该方法的可行性。

One fast way to solve the geometric information, i. e. , height and radius of the cylinder, was verified by numerically calculated G factor.