The change of the mass concentration gradient of uranium metal is obviously regular.
铀金属质量浓度梯度变化规律明显；
The behavior of uranium metal in rolling mills was considered as a viscous flow. Then the differential equation for rolling pressure was established.
把轧制中的金属运动看作粘性流动，建立了轧制压力微分方程；
After exposure to carbon monoxide, contents of oxygen in the surface oxides of uranium metal and U3O8 are decreased and O/U ratios decrease 7. 2% , 8.0% respectively.
在一氧化碳气氛中金属铀表层氧化物和八氧化三铀中氧含量减少，O/U比值分别下降了7.2％和8.0％。
Other countries have yet to get a satisfactory explanation as to why Iran had a document on shaping uranium metal into spheres, a trick useful only for making weapons.
伊朗曾有一份文件，是关于如何将铀元素塑成球形，这项技术只能用来制造武器。许多国家至今未得到满意的答复。
Why, for example, did Iran possess a 15-page document describing among other things how to machine enriched uranium metal into hemispheres, which are components of nuclear weapons?
比如说，伊朗为何会拥有一份15页的文件——内容涉及如何将浓缩铀加工成半球体(这些是核武器的组件)以及其它方面？
The surface structures of uranium metal and triuranium octaoxide (U3O8) and the influence of carbon monoxide to the surface layers have been studied by X-ray photoelectron spectroscopy (XPS).
用X射线光电子能谱（XPS）分析研究了金属铀表层和八氧化三铀的表面结构以及一氧化碳对其表面结构的影响。
Nuclear power is generated using uranium, a metal that is mined as an ore in large quantities, with Canada, Australia and Kazakhstan providing more than half of the world's supplies.
核能是通过铀这种大量开采的矿石金属生成的。加拿大、澳大利亚和哈萨克斯坦占据了全球超过半数的供应量。
A certain scientist had discovered that a metal called uranium gave off a kind of radiation, which Marie Curie was later to call radioactivity.
有一位科学家曾经发现了一种叫做铀的金属具有辐射性，后来玛丽·居里夫人把这种现象称作放射性。
Presently, it has applied to the uranium mine perambulation, geological mapping, oil gas perambulation fields as well as seeking various metal and metalloid mineral and etc.
目前已广泛应用于铀矿勘探、地质填图、油气勘测以及寻找各种金属和非金属矿产等诸多领域。
Presently, it has applied to the uranium mine perambulation, geological mapping, oil gas perambulation fields as well as seeking various metal and metalloid mineral and etc.
目前已广泛应用于铀矿勘探、地质填图、油气勘测以及寻找各种金属和非金属矿产等诸多领域。
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