查询词典 uranium-actinium

The apparent densities and uranium extractions of ash products are determined.

测定了煤灰的松装密度和煤灰中铀浸出率。

B-29 Superfortress bomber "Enola Gay" took off from Tinian Island very early on the morning of August 6th, carrying a single 4,000 kg (8,900 lb) uranium bomb codenamed "Little Boy". At 8:15 am, Little Boy was dropped from 9,400 m (31,000 ft) above the city, freefalling for 57 seconds while a complicated series of fuse triggers looked for a target height of 600 m (2,000 ft) above the ground.

盖伊号携带重4吨代号为小男孩的原子弹从天宁岛起飞，早上8点15分，&小男孩&被从长岛上空9400米处投下，经过57秒的自由下落，在达到距离地面600m的目标高度时引信被启动。

Asgari told his interrogators that Iran is working in a stealth path toward enriching uranium by ...

阿斯家立告诉他的审讯，伊朗是工作在一个隐形的路径对浓缩铀由

Although the details of the drilling are not available it is understood that several of the holes intercepted relatively anomalous uranium mineralization in lithologies similar to those found at the Bernard project area.

虽然详细的钻探无法理解的是，几个洞相对截获异常铀矿化的岩性类似发现在伯纳德项目区。

In order to separate trace plutonium from uranium matrix for subsequent mass spectroscope determination of the former,an extraction chromatographic method composed of a TBP extraction resin column and a cationic exchange resin column was developed.

为了从铀基体中分离痕量钚，采用由TBP色层柱和7402季铵盐色层柱组成的萃取色层法及低本底α谱仪对模拟铀样品中铀钚分离方法进行了研究，并确定了分离流程的条件；对影响流程分离效果的主要因素，如料液和洗涤液酸度、流速、解吸液浓度等进行了研究，确定了最佳分离流程。

Yet some tests recorded levels of uranium in the ground water as high as 224 microgrammes per litre 15 times higher than the safe level of 15mcg/l recommended by the WHO.

然而，另外一些检验记录的当地地下水最高铀含量达到224毫克/升，是世界卫生组织15mcg/l安全标准的15倍。

Most of the projects contain uranium mineralisation discovered by other companies in the 1970s.

多数项目所含的铀矿化，是上世纪70年代由其它公司发现的。

The project area is also prospective for uranium and manganese mineralisation and the proposed drilling will also test the potential for these two metals.

项目区还潜在铀，锰矿化和拟议的钻井也将测试的潜力，这两个金属。

Such fast neutron s have little chance of being captured by the fissible uranium.

这种快速运动的中子被可裂变的铀捕获的机会很少。

Inside the reactor, uranium atoms are split which release energy and a fast moving neutron.

在反应堆中，铀原子裂变释放能量和快中子。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。