查询词典 uranium-actinium

A uranium isotope with mass number 235; capable of sustaining chain reactions.

铀的同位素，原子质量数为，能进行持续的连锁反应。

Zhuguang Massif is an area with concentration occurrence of granite-type uranium deposits in China.

诸广岩体是我国花岗岩型铀矿床的集中产出区。

Comprehensive analysis shows that it has good petential for uranium metallization. It is the key targe layer in southern Songliao basin.

综合分析结果显示，该组具有较好的铀成矿潜力，是松辽盆地南部找铀矿的主攻目的层位。

Research on the metallogenetic material source by means of mathematical statistics and spidergram ——a case study of No.6722 uranium deposit in Southern Jiangxi

在微量、稀土元素地球化学对比研究中，直观地根据蛛网图上曲线相似程度而得出的结论带有很大的主观随意性，可信度低。

In principle all elements from boron to uranium can be determined, and trace element analysis and the determination of minor and major element concentrations can be performed on the same sample.

从原理上来说，可以测定从铍到铀的所有元素，在同一样品中可以同时进行痕量元素分析和次成分和主成分元素浓度的测定。

Authors suggest that uranium ore formation occurred after the appearance of the above subsidiary tectonic units, and sandstone bodies of the Ⅱ,Ⅲ,Ⅳ,Ⅶ cycles, Shuixigou Group in the southern syncline, and sandstone bodies of the Ⅰ,Ⅱ,Ⅲ,Ⅴ cycles, Shuixigou Group, as well as sandstone bodies of Xiaoquangou Group in the northern monoclinal zone, they are ...

文章认为铀成矿作用发生在这些次级构造单元形成之后，且具有找矿前景的是南部向斜带水西沟群第Ⅱ、Ⅲ、Ⅴ、Ⅶ旋回砂体和北部单斜带水西沟群第Ⅰ、Ⅱ、Ⅲ、Ⅴ旋回砂体及小泉沟群砂体。从容矿层位连续性、分布面积、砂体特征及层间氧化带发育特征等成矿条件看，北部单斜带铀成矿条件和找矿前景均优于南部向斜带。

In this paper,effect of uranium substance on the mudstone pyrogenation was studied by hydrous pyrolysis.

采用加水热模拟实验方法，考察了含铀物质对泥岩样品热解生烃产物的影响。

In the U/Pu separation step, it is better to drive neptunium into plutonium stream in order to minimize contamination of uranium by neptunium.

在后处理流程的众多化学分离中，Np的走向和控制是国际后处理界关注的重点研究课题。

Only two, neptunium (93) and plutonium (94), occur in nature, and only as traces in uranium ore s as a result of neutron irradiation.

自然界里只有錼(93)和钸(94)两种超铀元素，而且只以痕量存在于铀的矿物中，是受中子辐照后的产物。

Only two, neptunium (93) and plutonium (94), occur in nature, and only as trace s in uranium ores as a result of neutron irradiation.

自然界里只有錼(93)和钸(94)两种超铀元素，而且只以痕量存在于铀的矿物中，是受中子辐照后的产物。

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。