查询词典 uranium-actinium

I hear that, uh, Greg found uranium on the swab from Felton's skull.

我听说了，费尔顿头骨上面的伤口取样显示有铀

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。

Mainly use the -235 uranium or plutonium -239 and other heavy nuclei fission chain reaction mechanism made of nuclear weapons, known as fission weapons, or atomic bomb.

主要利用铀－235或钚－239等重原子核的链式裂变反应原理制成的核武器，叫做裂变武器，或称原子弹。

In order to study the fission rate distribution in CFBR-II reactor, the calculation method of fission rate based on MCNP is built and checking computations are conducted using the high enriched bare uranium sphere in foreign countries.

为研究CFBR-Ⅱ堆裂变率的具体分布，建立了基于MCNP程序的裂变率计算方法，并利用国外高富集度铀裸球装置进行了验算。

The isotope of uranium with mass number235,fissionable with slow neutron s.

锕铀铀的同位素，原子质量数为235，与慢中子发生裂变

A highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel; produced by irradiating uranium 238 with slow electrons.

钚的一种极易裂变的同位素，用于核武器或作反应堆燃料，用慢电子辐照铀获得。

The governments principally involved, to the extent permitted by elementary prudence, to begin now and continue to make joint contributions from their stockpiles of normal uranium and fissionable materials to an international atomic energy agency.

为您全程提供优质的英语演讲稿——和平利用原子能(第6页)定制服务，解除您在公众演讲写作及发表中的烦恼，与多家国内知名核心和优秀期刊保持紧密联系，确保你的成果在核心、优秀期刊发表。

A writer has found a small deposit of manganese ore and rock specimens flecked with uranium or stained green by copper.

一名作家还发现了一个不大的锰矿堆积体和一些粘染有铀痕迹或者带着铜绿斑痕的矿石标本。

Fluosilicic acid,which is the byproduct from phosphate fertilizer factory,reacts with ammonium hydrocarbonate to obtain ammonium fluosilicate,then reacts with ammonium carbonate to form settled SiO 2,after filtration,water washing,drying and calcining,high purity SiO 2 with less than 10×10 -6 metal impurity and less than 10×10 -9 uranium and thorium respectively is made.

由磷肥厂副产氟硅酸同碳铵反应得氟硅酸铵，再和碳铵反应生成SiO2 沉淀，经过滤、水洗、干燥、煅烧得高纯SiO2 ，其金属杂质总含量小于 10× 10 -6，含放射性元素铀和钍各小于 10× 10 -9，通过实验获得了适宜的工艺条件，反应温度 70℃～ 80℃，反应时间 1 5h～ 2 0h ，配料比n(NH4HCO3 )∶n(NH4 2 SiF6 =4 4。

Britain, Germany and France have been trying to get the Islamic republic to forswear uranium enrichment (which could lead to the building of a nuclear bomb) in exchange for mostly-economic incentives.

英国、德国和法国一直试图主要用经济刺激措施来使这个伊斯兰共和国断然放弃浓缩铀。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。