1.
activation energy for fission
裂变临界能量裂变的激发能量
2.
The time nuclear fission takes place vast energy is released.
核裂变发生时，放出大量的能。
3.
Nuclear fission releases tremendous amounts of energy.
核裂变释放出巨大的能量。
4.
Nuclear fission has contributed to our society some new phrases-- "critical mass" and "critical size".
原子核裂变给我们的社会带来了一些新词汇--“临界质量”和“临界大
5.
Experimental Research on the Dependence of ～(235)U Fission Yields on Incident Neutron Energies;
～（235）U裂变产额随入射中子能量变化的实验研究
6.
Measurement Homemade YAP:Ce Scintillator Sensitivity with Six Energy Points in fission field
裂变γ能区6种能量的国产YAP:Ce灵敏度标定
7.
The energy produced during atomic nuclear fission is great enough to destroy the whole city.
原子核裂变时产生的能量足以摧毁整座城市。
8.
a nuclear reactor that uses controlled nuclear fission to generate energy.
通过控制核子裂变来产生能量的核子反应堆。
9.
The transmission factor describes the gradual opening of a fission channel as the energy approaches the fission barrier.
透射因子描述了当能量趋近于裂变势垒时裂变逐渐地开放。
10.
spontaneously fissible isomer
自发裂变同质异能态
11.
mass distribution of fission products
裂变产物的质量分布
12.
Nuclear energy Fissile materials - Principles of criticality safety in storing, handling and processing???
核能－－裂变材料贮存、操作与处理过程中的临界安全原则
13.
Based on the boundary Variational theorem, the energy release quantity and energy release rate (dynamical crack extension force) along the crack bounndary are obtained.
由此可以求得动态裂纹扩展时,沿裂纹边界的能量释放量和能量释放率(动态纹裂扩展力)。
14.
Nuclear criticality safety for fissile materials outside reactors--Safety controls in conducting subcritical neutron multiplication measurements in situ
GB15146.7-1994反应堆外易裂变材料的核临界安全次临界中子增殖就地测量安全规定
15.
a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element (uranium 235 or plutonium 239)).
一种由原子核（裂变重元素（铀或钚）的原子核）裂变释放巨大能量的武器。
16.
fertile thorium 232.
能产生裂变物质的钍232
17.
The Pre-work of Measurement Fission Yields-the Manufacture Minitype Fission Ionizing Chamber
裂变产额测量的前期工作—小型裂变室的研制
18.
Nuclear energy is concentrated, but the fissionable material, uranium 235, is well under 1% of the natural or mined uranium 235.
原子能能量非常集中,但裂变材料铀235在天然铀矿中含量不到1％。