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- Fissionable material used in a nuclear reactor. 可裂变物质:用在核反应堆中的可分裂性材料。
- The detector can been used to determine the burnup, cooling time and the contents of whole plutonium and whole fission material in spent fuel assemblies of the PWR and BWR types at a reprocessing and storage facility. 叉形探测器可用于后处理和贮存工厂中PWR和BWR型的乏燃料组件的燃耗、冷却时间、总钚和总裂变物质含量的测定。
- To produce(fissionable material) in a breeder reactor. 产生裂变的物质增殖，指在增殖反应堆里产生（可裂变的物质）
- To produce(fissionable material)in a breeder reactor. 产生裂变的物质增殖，指在增殖反应堆里产生(可裂变的物质)
- The neutrinos behavior in a peaceful nuclear explosion reactor is analyzed. 238U and 232Th are used in the reactor to produce fission materials, 239Pu and 233U. 摘要研究核爆聚变电站中的一类中子学问题-如何利用核爆炸产生的大量中子生产核燃料。
- The reaction is slowed by a combination of depletion of the fissionable material and expansion of the core. 由于裂变物质的耗尽以及由于核心的膨胀，才使反应减慢下来。
- To add nonfissionable matter to(fissionable material) so as to prevent use in an atomic weapon. 使（核材料）中毒（向可裂变材料中）加入不可裂变物质以防止（这种可裂变物质）用于原子核武器
- Physics To add nonfissionable matter to (fissionable material) so as to prevent use in an atomic weapon. 使（核材料）中毒：（向可裂变材料中）加入不可裂变物质以防止（这种可裂变物质）用于原子核武器
- The reaction is slowed by a combination of depletion of the fissionable material and expansion of the core . 由于裂变物质的耗尽以及由于核心的膨胀，才使反应减慢下来。
- In a hole in the center of this system is placed a subcritical sphere of fissionable material. 在这个系统的中心圆洞中放置一枚次临界的球形可裂变物质。
- The discovery of the nuclear fission is a new departure in physics. 核分子分裂的发现是物理学上的一个新起点。
- The fissionable material defined by the preceding paragraph should be reported to the Atomic Energy Council once every half-year. 前项可分裂物质，应每半年向原子能委员会申报一次。
- The material is flawed throughout. 这种材料到处是裂缝。
- But in nuclearreactors, which contain far less fissionable material, the chain reaction andthe release of energy are carefully controlled. 但在核反应堆里，可裂变的材料很少，链式反应和能量的释放都被小心的控制。
- Minimum amount of a given fissionable material necessary to achieve a self-sustaining nuclear chain reaction under specified conditions. 在核物理学中，裂变物质在规定条件下实现自持链锁反应所需要的最小量。
- Anuncontrolled chain reaction within a large amount of fissionable material canlead to an explosive release of energy, as in nuclear weapons. 大量的可裂变的材料中发生不受控制的链式反应就会导致爆炸以释放能量，这就是核武器的原理。
- The ingenuity of our scientists will provide special safe conditions under which such a bank of fissionable material can be made essentially immune to surprise seizure. 我们科学家的这种独创性将供应特殊的安全的条件，在裂变物质储藏所能够从本质上获得免疫的就被奇袭没收。
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
- That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
