查询词典 uranium-actinium

This paper analyses the occurrence characteristics and formation conditions for uranium deposits within calderas and brecciated complexes of some granites in China and foreign countries .

本文分析了国内外若干产于花岗岩中破火山口及角砾杂岩内的铀矿床产出特征及形成条件，提出今后应在花岗岩区叠加的火山活动中心，注意寻找角砾杂岩型的铀矿，并把它作为花岗岩中铀矿找矿的新方向予以积极探索。

The organics and impregnations of uranium are everywhere coextensive.

有机物和铀的浸染到处是共同延伸的。

Vanadium mainly exists as independent minerals or in clay minerals in the form of isomorphism, with a small amount absorbed by clay minerals and limonite. Nickel mainly exists as independent minerals. Molybdenum occurs as colloidal sulfides with carbon, sulfur and clay, and forms molybdenite through thermal metamorphism. Uranium is unevenly scattered in collophanite and carbonaceous_argillaceous materials in the form of isomorphism or adsorption. REE mainly occur in collophanite in the form of isomorphism. Copper, lead and zinc chiefly exist in sulfides or sulfo_arsenides and are concentrated in the metallic layer.

钒或以独立矿物存在，或以类质同象赋存在粘土矿物中；镍主要以独立矿物存在；钼主要与碳、硫、粘土一起呈钼硫化物胶状集合体，经热接触变质作用后形成辉钼矿；铀呈不均匀分散在胶磷矿和碳泥质中，呈类质同象或吸附状态存在；稀土元素主要呈类质同存在于胶磷矿中，部分呈吸附状态存在；铜、铅、锌主要以硫化物和硫砷化物等存在，多富集在金属层中。

A green radioactive mineral that is a hydrous crystallin e phosphate of uranium and copper.

铜铀云母一种绿色的放射性矿物，为铀和铜的氢化结晶云母

A tax advantage is also available to holders of most depletive assets—those which are used up, or depleted, over a period of time—like oil, natural gas, uranium, or coal.

那些折耗性资产的持有者也享有纳税优惠，如石油、天然气、铀或煤这类会在一定期间里被耗竭的资产，被称为折耗性资产。

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。

The influence of saccharomyces cerevisiae,seaweed, banyan leaves,firry cortex on adsorptive capacity of uranium was studied in order to seek cheap and effective biosorbents for environmental protection.

以保护环境为目的，以寻求廉价而有效的生物吸附材料为出发点，研究了啤酒酵母菌、北海海草、榕树叶、杉树皮等4种吸附剂对铀的吸附性能的影响。

Ordos basin accumulates various energy resources. Taking the oil, gas, coal and uranium in the basin as subjects, the scientists of China's State "973" multi-energy minerals enrichment project study the scientific issues of interest concerning the coexistence and accumulation of energy minerals in one basin, such as the material base and geodynamical settings the accumulation mechanism and enrichment environment, and the temporal and space distribution and control factors. This interdisciplinary study provides a new perspective on comprehensively understanding energy geosciences.

我国国家&973&多种能源矿产项目的科学家以富集多种能源矿产于一身的鄂尔多斯盆地为研究地区，以油、气、煤、铀为研究对象，探讨能源矿产同盆共存富集成藏的物质基础与地球动力学背景、成藏机理与富集环境、时空分布与主控因素等科学问题，这是通过多学科交叉综合研究能源地球科学的新视角。

Chemical analyses of ores sampled from different elevation at the representative Zoujiashan uranium deposit indicate that Fe〓O〓, FeO, MgO and P〓O〓 increase evidently with depth which is related to alteration of haematite, chlorite and apatite, Na〓O and Na〓O+ K〓O also increase with depth, reaching a maximum of Na〓O at 911 meters below the surface, which suggests alkaline alteration increases downwards. At depth of 90 meters below sea level, where the boundary of the two cycles of the volcanic rocks is located, CaO reaches the maximum, representing maximum of alteration of fluorite.

对典型矿床不同富集标高矿体的化学全分析结果表明：随深度增加，Fe〓O〓、FeO、MgO及P〓O〓的含量有明显增高的趋势，这与赤铁矿化、绿泥石化及磷灰石化有关；-90m标高的CaO含量最高，达17.67％，反映这一部位的萤石化最发育；Na〓O及Na〓O+K〓O的含量由浅入深也存在明显的增高趋势，且Na〓O的含量在911m深处为最高，这充分显示碱交代作用从上到下有增强的趋势，而钠长石化在911m处最强烈。

The simulation flow of running of hydrometallurgical process is established,and parameters of hydrometallurgical process of uranium are optimized.

运用系统工程的方法，结合试验、生产等经验，通过系统调优的控制因素分析、建立水冶工艺运行模拟流程等方法和手段来进行参数优化，实现了对&饱和再吸附&水冶工艺流程的实际操作模拟、系统调优模拟、在线控制和调优方案制定，并对优化方案效果进行预测。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。