查询词典 uranium

For the sake of full utilization of uranium resources and the minimization of nuclear waste,the closed fuel cycle of fast breeder reactor is the fundamental way out for the sustainable development of nuclear fission energy.Based on t...

本文在介绍了国内外核燃料循环关键技术研究现状和发展趋势的基础上，探讨了我国核燃料循环科技的发展战略，并指出了为实现上述发展战略目标应采取的若干措施。

It is show that the concentration of n butyraldehyde, neptunium, uranium and HNO 3, ratio of phases effect the stripping of Np in the cascade, i.e.

串级实验结果表明，镎在 1BP中的比例小于 10 %；第二级加入正丁醛时，正丁醛和镎在各级的分布较合理，能兼顾镎的去污与反萃。

Although supplies of uranium fuel were known to he limited and might become exhausted in half a century, the nuclear power plant has for a long time been a favorite project.

尽管大家知道铀燃料的供应是有限的，而且可能在半个世纪内耗尽，原子能发电站多年来却一直是特别受人喜爱的项目。

Chadwick's discovery made it possible to create elements heavier than uranium in the laboratory.

中子就这样被他发现了。他解决了理论物理学家在原子研究中遇到的难题，完成了原子物理研究上的一项突破性进展。

Fast reactor is a kind of fast neutron induced nuclear fissile uranium or plutonium -239 -235 and other type of reactor fission chain reaction.

快堆是一种以快中子引起易裂变核铀-235或钚-239等裂变链式反应的堆型。

Not long ago, the French government indicated it was thinking of dismantling Areva, which offers everything in the nuclear production chain from uranium mining to reactor building and fuel waste management.

以收入衡量，该公司是全球最大的核能企业，业务覆盖核生产链上的方方面面，从铀矿开采、核反应堆建设，到核废料管理，一应俱全。

This type of green luminescence is quite common in agate and chalcedony, and it is known to be caused by traces of uranium in the material.

这种类型的绿色发光的现象比较普遍，玛瑙和玉髓，并已知会造成痕迹的铀物质。

Pitchblende and chalcolite are much more radioactive than uranium itself.

沥清铀矿和铜铀云母比纯铀的放射性强得多。

Curies research into the properties of two different uranium ores, pitchblende and chalcolite. led to the discovery of radium and polonium, other radioactive elements.

居里对两种沥青铀矿和铜铀矿的性能研究引导了镭和钋以及其他放射性元素的发现。

We have to make sure there is no clandestine uranium enrichment program that is somehow undeclared and unexcavated.

我们必须确保北韩没有保留秘密的浓缩铀项目、没有宣布或是没有发现的项目。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。