查询词典 uranium ore

The country has the world's biggest deposits of bauxite, as well as gold, diamond, uranium and iron ore – resources that enabled Mr Conte to survive periods of global isolation.

几内亚有着世界上最大的铝士矿储量，以及黄金，钻石，铀和铁矿石等资源。这些资源使前执政者Conte能在全球孤立期间生存下来。

Thus, the hydrogeochemistry of mineralizing condition and prediction of North-Western sandstone type uranium ore in Chine Have all round been known by us.

并由此对我国西北砂岩型铀矿成矿条件和成矿预测中的水文地球化学有了一个较全面系统的认识。

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制；系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成；同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

Source, transportation and precipitation, this paper proposes the metallogeny of large ore-concentrated areas of uranium deposits.

本文研究铀矿大型矿集区时空分布规律与地球动力学演化的关系，在此基础上探讨了铀矿大型矿集区元素超常聚集规律，提出多矿种&点区超常聚集&和&短时限爆发成矿&特征。

Based on the theory of metallogenic system, the authors studied the whole proces s of formation, transformation and preservation of uranium deposits in the Taosh an orefield in the aspects of metallogenic background and environment, ore-forming elements, ore_forming process, and metallogenic products as well as their pre servation.

中文摘要：文章以成矿系统为理论基础，从成矿背景和环境、成矿要素、成矿作用过程、成矿产物及其保存等方面阐述了桃山矿田铀矿床形成-变化-保存的全过程。

Bioleaching may require added phosphorus and nitrogen if these are limiting in the ore materials, and the same process can be used to solubilize uranium.

如果在矿石中氮和磷不足，生物萃取则需要加入这些营养素，并且这一过程还被用来提取铀。

The results suggest that the uranium content and 234U/238U ratio s in the sandstone of the redox transition zone are generally higher than those of the oxidation and reduction zones,while the Th/U ratios of the transition zon e are lower than those in sandstone of the oxidation zone and the reduction zone .234U/238U and 230Th/238U ratios in uran ium ore samples are in the range of their ratios in the redox transition zone.

研究表明，与氧化带、还原带相比，氧化-还原过渡带具有较高U含量和234U/238U比值，较低Th/U比值；矿石样品中的234U/238U、230Th/ 238U比值位于过渡带范围内，234U/238U比值偏高区往往是过渡带分布区。

For developing a method to reduce the emanation coefficient of Rn in materials, emanation coefficient of Rn in geological uranous materials such as zircon, uranium-bearing ore, etc is measured. Heating is used to study the effect of heating temperature on emanation coefficient of Rn.

通过了解锆英砂、铀矿粉、石英砂铀矿粉混合物等含铀地质材料中222 Rn的析出情况，探索了降低这些材料中氡射气析出率的方法，并应用灼烧法研究了灼烧温度对上述材料中氡射气析出率的影响。

Therefore, studies on mineralizing hydrogeochemistry have become technique keys of inquiring to ore-forming condition of sandstone type uranium deposit.

因而，成矿水文地球化学研究就成为探讨该类型铀矿床形成条件的技术关键。

Particularly as a combined entity would dominate the world mining business as a leading producer of copper, aluminium, uranium and coking coal as well as rivalling Brazil's CVRD as the biggest supplier of iron ore.

特别是作为一个联合的实体，它在未来将成为世界上很多领域的主要制造商，比如铜、铝、镍和煤，同时将成为巴西在铁矿石供应上的有力竞争者。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。