铀

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。

Uranium in the ore is separated and converted into U in HCl andcomplexed with TPC and a new type thoron reagent,2(phosphino-chloro-benzenediazo)-7 (disulfo-naphthyl-diazo)-naphthalene-1, 8 diol-3, 6 disulfonic acid.

铀在 0.5—1.4 mol/l盐酸中，用氯化十四烷基吡啶作增溶剂，铀与偶氮氯膦6，8-萘二磺酸-TPC形成的三元络合物具有极高的灵敏度ε_(705nm=1.6×10~5l·mol~(-1)·cm~(-1)和较好的选择性。

A radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.

一种放射性的超铀金属元素，在用氦原子轰击铀时发现。

A synthetic transuranic element first produced by neutron irradiation of uranium in a thermonuclear explosion and now usually produced in the laboratory by irradiating plutonium and other elements.

锿一种人工合成超铀元素，在一次热核子反应的铀中子辐射中首次产生。

Transuranic waste; uranium; radioactivity; nuclear waste; geology; rocks; hydrogeology; Quaternary; stratigraphy; ground water; hydrochemistry; UK; Cumbria

关键词：超铀元素废弃物；铀；放射能；原子能工业废料；地质；岩石；水文地质；第四纪；地层学；地下水；水质化学；英国；坎布里亚郡

A mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called ''.

一种含有氧化铀和少量镭、钍、钋、铅、氦的矿物；块状的晶质铀矿称为沥青铀矿，是主要的铀矿石。

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。

As a large country abundant in uranium ore resource, China has built tens of uranium mill-tailing sites, that have been in use for many years and contain a large quantity of uranium tailings.

我国作为一个铀矿资源大国，目前已建成数十个铀尾矿库，并已运营了多年，其中堆放了大量的铀尾矿，因此，面临的这一问题尤为严峻。

The distribution of uranium isotope composition is not only can be used to predict the location of uranium ore body, but also can be used to study the rolling of the roll during the process of the ore body formation.

该砂岩型铀矿床的铀同位素组成分区特征不仅是预测铀矿化定位的依据，而且也充分说明了铀富集成矿过程的滚动性。

Recovered uranium and plutonium in mixed oxide fuel in nuclear power plants recycled to produce more energy, so that uranium resources ...

回收的 铀和钚可在核电厂混合氧化物燃料中再循环使用，以生产更多能量，从而使铀资源得到。。。

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。