金属铀

CO对金属铀表面氧化层影响研究

Study on the influence of carbon monoxide to the surface oxide layer of uranium metal

用AES研究铝薄膜与基体金属铀之间的界面反应

Auger Electron Spectroscopy Study on Interaction Between Aluminum Thin Layers and Uranium Substrate

用X射线光电子能谱研究CO2在金属铀表面的初期氧化行为

X-ray Photoelectron Spectroscopy Study of CO2 Reaction with Polycrystalline Uranium Surface

金属铀表面经CO处理后的腐蚀行为研究

Study on corrosion behavior of metallic uranium surface treated with CO

金属铀表面氧化动力学的X射线衍射研究

Dynamics Study on Surface Oxidization of Uranium by X-ray Diffraction

金属铀与H2表面化学行为的XPS研究

Research on the Surface Chemical Behavior of Uranium Metal in Hydrogen Atmosphere by XPS

超临界CO2在金属铀表面吸附的理论研究

Theoretical study on the adsorption of supercritical fluid CO_2 ( s ) on the surface of metallic uranium

金属铀表面铝薄膜生长行为的XPS研究

XPS Study on Process of Aluminum Deposition on Uranium

采用增重法研究了金属铀表面经CO处理后在40℃和70℃潮湿空气中的抗蚀能力。

The corrosion resistance in humid air at70 ℃ and40 ℃ of uranium treated with CO has been studied using weight gain method .

采用金属铀还原法将H2O转化为H2气。该法可对一个样品同时进行有机碳、氢同位素分析样品制备。

The metallic uranium reduction method is used to convert H2O to H2.This technique has the advantage of simultaneous analysis of organic carbon and hydrogen isotopes in the same sample .

mol-1，故CO2在金属铀表面的吸附是化学吸附。

Mol - 1 and implies a sort of chemical adsorption for CO 2 adsorbed on the metallic U .

用X射线光电子能谱（XPS）和气相色谱（GC）分析研究了CO对金属铀表面氧化层的影响。

The influence of carbon monoxide to the surface oxide layer of uranium metal has been studied by X ray photoelectron spectroscopy ( XPS ) and gas chromatography ( GC ) .

油气运移（逸散）过程中产生的H2s等还原性气体能对地层中铀元素发生化学作用，使得金属铀能富集成藏。

Process of migration of oil and gas produces reductive gas , like H2S , ect , then the chemical action of the gases propels the concentration of uranium .

深度分析表明：清洁的金属铀表面与H2作用后，表面层结构由表向里依次为UO2、UH3和U。

XPS elemental depth profiles indicate that the distribution of uranium surface layer is UO 2 , UH 3 and U after exposure to 174.2 Pa · s hydrogen .

结果表明：金属铀表面经CO处理后的抗氧化能力有所提高，抛物线氧化阶段其氧化速率比未处理样品的氧化速率低25%～60%；

The result indicated that the oxidation resistance in dry air at 70 ℃ is improved after reaction of uranium with CO , and its oxidation rate is 25 % ~ 60 % lower than that of fresh uranium at initial stage of oxidation ;

控制U3O8粉末加入量，可调节UO2芯块的密度和微观组织，制备出合格的UO2芯块，从而提高了金属铀的直收率和利用率。

Addition of U_3O_8 powder can adjust density and microstructure of UO_2 pellet , and increase metal uranium yield .

开展了有源符合中子法探测235U富集度为90.34%的小圆柱状金属铀块裂变材料的方法与技术研究。

A small column of Uranium fission material , which contains 90 . 34 % 235U , is detected by active coincidence neutron counting in this study .

采用PHI-650型扫描俄歇电子能谱（SAM）研究金属铀在超高真空原位断裂后断面在不同氧气暴露量和温度下的氧化规律和杂质元素在表面的扩散行为。

PHI-650 scanning Auger multi-probe ( SAM ) was used to study the surface oxidation and impurity element diffusion of the in situ fractured uranium surfaces at various oxygen exposure and temperatures in ultra high vacuum .

利用高频感应加热装置分解矿样，提取的结构水和700℃的金属铀作用被转化成氢气。利用MM-602D型质谱计测量氢的同位素组成。

The samples were decomposed in a high frequency induction furnace and the released structural water was converted to hydrogen by reaction with metal uranium at 700 ℃ and the isotopic compositions of hydrogen were measured by mass spectrometer MM-602D .

金属铀真空原位断裂表面初期氧化研究

Initial Oxidation Study of in Situ Fractured Uranium Surface in Vacuum

金属铀热氧化腐蚀的红外和拉曼光谱分析

Infrared and raman spectroscopy analysis of thermal oxidation corrosion of uranium

金属铀表面含氧碳化物的组成与性质

The Composition and Character of Oxycarbide Phase on Uranium Metal

金属铀氧化的显微拉曼光谱和原子力显微镜原位研究

In-Situ Studies of Uranium Oxidation by Micro-Raman Spectroscopy and Atomic Force Microscopy

阳离子交换分离-发射光谱法测定金属铀或八氧化三铀中微量硼

Cation exchange SEPARATION-EMISSION Spectrographic Determination of boron in uranium metal or uranium oxide

金属铀元件整体弹塑性蠕变分析

An elasto-plastic-creep analysis of metallic uranium fuel element

氧分子离子单独和组合注入对金属铀抗腐蚀性能的影响

The effect of oxygen ion implantation on the corrosion behaviour of α phase uranium

金属铀与铝薄膜界面的俄歇电子能谱研究

Study on the Interface Between Metal Uranium and Aluminum Film by Auger Electron Spectroscopy

金属铀的氧化腐蚀及防护

Corrosion Oxidation and Protection of Metal Uranium

华东&多金属铀矿床的地质特征及成矿条件的初步探讨

A preliminary study on geological features and metallogenic conditions of a polymetallic uranium deposit in East China

金属铀初始氧化过程研究

Initial Oxidation of Uranium