查询词典 uranium

1"Euxenite:a lustrous, blackish-brown rare -earth mineral consisting primarily of cerium, erbium, titanium, uranium, and yttrium."

黑稀金矿：一种光亮的棕黑色稀土矿石，主要由铈、铒、钛、铀和钇构成。〞钇被用作稀土金属一种理想的非磁性稀释剂。

"Euxenite:a lustrous, blackish-brown rare-earth mineral consisting primarily of cerium, erbium, titanium, uranium, and yttrium."

黑稀金矿：一种光亮的棕黑色稀土矿石，主要由铈、铒、钛、铀和钇构成。〞粘土是由机械和化学的风化作用形成，主要是胶粒大小。

The Iranian government has announced a huge expansion of its controversial nuclear program, setting out to build 10 new uranium enrichment plants.

伊朗政府宣布大规模扩建其备受争议的核项目，制定计划建设10座新的铀浓缩工厂。

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.

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Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。