查询词典 uranium 235

The thesis focuses on the study of the reactions of hydroxyurea, a novel salt free agent, with uranium, neptunium and plutonium in order to investigate the possibilities of its application in the Purex process(1B) for uranium and plutonium separation.

本论文重点研究了一种新型无盐试剂—羟基脲与铀、镎、钚相互作用的化学，旨在研究这种新型无盐试剂在Purex流程铀、钚分离段(1B)中应用的可能性。

It is more practical to obtain one uranium product and one uraniumplutonium mixture product through partial separation of uranium and plutonium.

系统分析了用稀硝酸反萃分离萃入30％TBP／煤油中的铀钚的工艺，分析了各操作变量的影响，结果表明用稀硝酸反萃分离铀钚是可能的，铀钚部分分离得到有机相铀产品和水相铀钚混合物产品的工艺较为现实可行。

Study also shows that pitchblende coexists with pyrite in the cavities of organic fragments in uranium-bearing zones, and absorbed uranium α traces are found on the surface and around pyrite.

对鄂尔多斯盆地东胜地区和吐哈盆地十红滩地区砂岩型铀矿的岩石学特征、地质构造、含矿建造与古水文地质条件及铀矿的成矿特点等进行了综合分析与研究。

With the geological-economic evaluation program for pithead heap-leaching mining uranium deposits developed by the authors and the data of column-leaching tests and the geological resrver, the geological-economic evaluation is made to the residual geological reserves of both Lujing and Huangfengling deposit, and the geological reserves of Yangjiaonao deposit of the depleted mines in Lujing uranium ore-field, central-southern China.

采用自主研发的坑口堆浸地质经济评价程序，利用室内柱浸工艺实验数据和矿床地质资源数据，对鹿井铀矿田危机矿山鹿井、黄蜂岭矿床的剩余地质资源及羊角脑矿床的地质资源进行了坑口堆浸地质经济分析。

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。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。