查询词典 uranium-actinium

SEPARATELY, shares in Namibia uranium play Extract Resources jumped to a record after the company issued a maiden resource for Rossing South Zone 2, which, as you would expect, is very close to Rio's Rossing uranium mine and explains Rio's 15.2 per cent stake in Extract.

另外，在纳米比亚铀矿拥有的股份使得澳大利亚开采资源公司股价跃升至一个新的纪录，此前，该公司宣布得到了新探勘的南罗辛铀矿。和你预料的一样，这个铀矿非常靠近力拓拥有的罗辛铀矿，这也解释了力拓对 Extract 公司15.2％的股份持有。

From radioactive equilibrium of natural radioactive decay series and content of several radioactive constituents, the formula for estimating activity of uranium ore and solid waste is derived and a case study on treatment engineering of decommissioning Linchang Uranium Mine is presented.

文摘：根据天然放射性衰变系列的平衡关系，推出了通过若干个而非全部放射性组分的监测数据来计算铀矿石和固体废弃物中放射性活度的公式，给出了临沧铀矿退役治理工程的估算实例。

It is concluded that effects of coal on uranium include sorption, complexation and revivification in syngenesis and early diagenesis and coal measures have positive effect on redistribution and preservation of uranium deposit in the epidiagenetic stage.

研究认为，在同生成岩阶段和早成岩阶段，煤对铀的作用主要包括吸附作用、络合作用及还原作用；表生成岩阶段，煤对铀的再分配和"保矿"起到积极作用。

This paper introduces present situation of uranium sorption experiments and summarizes some carriers that can uranium.

介绍了铀吸附实验的研究现状，对吸附铀的各种载体进行了总结。

In this paper, the progresses acquired in the studies of natural analogy are summarized, including a comparison of structural properties, radiation damage and chemical composition between uraninite and UO2, combination and paragenesis of alteration products of uraninite, chemical composition of uraninite and its secondary phases, mobility of analogy elements in the process of uraninite alteration. In addition, the problems in next studies are pointed out, e. g., characterization of micro-structure of secondary uranium minerals, high-resolution analyses of trance elements distributed in original and secondary uranium minerals using laser microprobe analyzer, composition of underground water, simulation experiments.

系统地总结了天然类比研究的现状，包括沥青铀矿与UO2的可比性、沥青铀矿风化产物的共生组合和共生次序、沥青铀矿及其风化产物的化学成分特征、沥青铀矿风化过程中类比元素的迁移性等；并初步指出了进一步研究的方向，如铀酰矿物的微结构研究、类比元素在沥青铀矿和铀酰矿物中分布的激光探针研究、地下水成分分析、模拟实验等。

The influencing factors of the uncertainty of measurement result for uranium in uranium ore by volumetric analysis method were discussed.

分析了容量法测定铀矿石中铀含量测量不确定度的影响因素。

The uranium ore field in Xiangshan of Jiangxi province is the largest uranium ore field of volcanic rock type in China.

江西相山铀矿田是我国目前最大的火山岩型铀矿田，一直是铀矿地质学界的研究热点之一。

Source of uranium hydrothermal deposits is an important content in the study on genesis of granite hydrothermal uranium ore deposits.

铀成矿物质的来源一直是花岗岩热液铀矿床成因研究的重要内容。

This characteristic of uranium ore went undetected for a long time, resulting in the deaths, due to cancer, of hundreds of uranium miners.

很长时间里铀矿的这个性质没被检测出来，由于忽略，导致了成百上千个铀矿矿工的死亡。

The results of condition tests of higher column leaching of uranium ore are summarized in a vein-group-type uranium deposit.

总结了某群脉状铀矿床原地爆破浸出采铀矿石高柱浸出条件试验结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。