Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.
氦是钍和铀元素数千年放射性衰变的副产品。
Nuclear power results in up to 25 times more carbon emissions than wind energy, when reactor construction and uranium refining and transport are considered.
而如果把核反应堆的建设和铀的提炼和运输过程算上，核能的碳排放量是风能的25倍。
Why not build more?The technology is mature, its planet-heating emissions are low and uranium can be bought from friendly, stable countries like Australia and Canada.
既然核技术已经成熟，核电站的温室气体排放量也很低，铀也可以从澳大利亚和加拿大这些友好、稳定的国家买进，为什么不多建造一些?
Why not build more? The technology is mature, its planet-heating emissions are low and uranium can be bought from friendly, stable countries like Australia and Canada.
既然核技术已经成熟，核电站的温室气体排放量也很低，铀也可以从澳大利亚和加拿大这些友好、稳定的国家买进，为什么不多建造一些？
Ordos basin is abundant in energy minerals of oil, gas, coal and uranium.
鄂尔多斯盆地富含油、气、煤、铀等多种能源矿产。
They worked in diamond and uranium mines.
他们在钻石和铀矿场工作过。
Radium and uranium are radioactive elements.
镭和铀是放射性元素。
Ordos basin is prolific in oil, gas, coal and uranium resources.
鄂尔多斯盆地蕴藏着丰富的石油、天然气、煤炭和铀。
The apparent densities and uranium extractions of ash products are determined.
测定了煤灰的松装密度和煤灰中铀浸出率。
There are also troves of metals and minerals, including gold, diamonds, copper, iron, zinc, and uranium.
当然，在北极区还发现了大量的金属矿产，包括黄金、钻石、铜、铁、锌和铀。
Iran has said it intends to go forward with nuclear research and uranium enrichment for a civilian energy program.
伊朗表示，将为了民用目的继续进行核项目研究和铀浓缩。
The corrosion- resistant performance and mechanisms of these coatings for uranium and uranium alloys were evaluated.
评述了这些电镀层对铀及铀合金的防腐蚀性能及保护机理。
At present, the research of the enrichment rule of oil, coal and uranium has reached an extensive and deep degree in the Ordos basin.
目前对鄂尔多斯盆地油气、煤和砂岩型铀矿各自富集规律的研究与认识都已达到一定的深度和广度。
Apart from the diamonds and oil for which Angola is famous, Angola also has many other mineral deposits such as gold, copper, lead and uranium.
除了钻石和石油以外，安哥拉还盛产其它多种矿物，如黄金、铜、铅以及铀。
It is not only useful for geological environment research and uranium prospecting in the study area, but also reference to applications in another area.
它不仅对研究区地质环境研究及铀矿找矿具有一定意义，而且对其他地区的应用也有参考价值。
Abstract The extraction of americium, plutonium and uranium by dicyclohexano 18 crown 6(DCH18C6)/1 octanol from HNO 3 solution and simulated HLLW are studied.
摘要研究了二环己基18冠6（DCH18C6）-正辛醇从硝酸溶液和模拟高放废液中镅、钚、铀的萃取。
Vertically, coal distributes in Permo-Carboniferous and Jurassic; oil and uranium distributes mainly in Jurassic while gas distributes in Ordovician and Permian.
在纵向上，煤聚积于石炭—二叠系和侏罗系，石油和铀矿主要分布在侏罗系，天然气则储集在奥陶系和二叠系。
The results of systematic studies of geochronology, geochemistry and uranium metallogenic condition of volcanic rocks and granites in Guyuan-Duolun Basin are reported.
对沽源-多伦盆地火山岩类和花岗岩类进行了同位素地质年代学、地球化学和铀成矿条件的系统研究。
The relation between REDOX property and uranium mineralization of local discharge source is studied based on geological background, hydro-geology condition of Gongpoquan basin.
在系统分析公婆泉盆地地质背景、水文地质条件的基础上，对该区局部排泄源氧化还原属性与铀矿化的关系进行了探讨。
Compared with conventional heap leaching, bioleaching period and acid amount are reduced, oxidant and leaching agent are saved, and uranium concentration in leaching solution is increased.
与常规堆浸工艺相比较，细菌堆浸新工艺具有浸出周期短，酸用量低，节省氧化剂，降低浸出剂用量，浸出液平均铀浓度高等优点。
In vertical direction, the existence of isolated barrier bed may result in the formation of multiple vertical sequence units, and the development of interlayer oxidation zone and uranium roll.
在垂向上，隔挡层的存在可以导致多个垂向序列单元、层间氧化带和铀矿卷头的发育。
The mud correction and uranium-radium non-equilibrium correction equation have been derived for 1318XA natural gamma-ray spectroscopy tool, and the division method of deposit thickness is proposed.
推导出1318XA自然伽马能谱测井仪的泥浆修正公式，铀镭不平衡修正公式，提出矿层厚度划分方法。
Also, the neutron flux monitor, energy calibration and Uranium target parameters are discussed in detail.
对中子注量监测、能量刻度和铀靶参数的有关问题也进行了分析。
Also, the neutron flux monitor, energy calibration and Uranium target parameters are discussed in detail.
对中子注量监测、能量刻度和铀靶参数的有关问题也进行了分析。
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