查询词典 uranium

Somewhat to the discomfort of Iran's president, Mahmoud Ahmadinejad, who had bolstered his domestic support by vilifying America as an aggressor, Mr Obama has proposed holding talks about nuclear affairs, removing a precondition that Iran first abandon enrichment of uranium.

然而，这对伊朗总统马哈茂德艾哈迈迪-内贾德来说，多少有些不快。此前，内贾德通过中伤美国称其是侵略者而巩固了他的国内支持力。奥巴马提议就核问题举行谈话，并取消伊朗必须首先放弃铀浓缩的前提条件。

Somewhat to the discomfort of Iran's president, Mahmoud Ahmadinejad, who had bolstered his domestic support by vilifying America as an aggressor, Mr Obama has proposed holding talks about nuclear affairs, removing a precondition that Iran first abandon enrichment of uranium.

为了提升国内的支持率，伊朗总统内贾德将美国斥为侵略者，面对于此，奥巴马却提出与伊朗就核问题进行谈判，并放弃了伊朗必须首先放弃铀浓缩项目的谈判前提条件。

About 21 percent of the world's nuclear reactors are now fueled by uranium mined using this method.

约21%的世界核反应堆现燃用铀采用这个方法。

By using biological method,microorganisms in the Shihongtan uranium deposit were isolated and identified for the first time at home.

在国内首次利用生物学方法对新疆十红滩铀矿床中的微生物进行了分离和鉴定。

A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten , and tantalum.

发明这种灯的伟大创造力，在于发现了把金属性质的钨改变为丝的方法。

The mathematical statistics in ore chemical composition show that the metal elements such as uranium and vanadium are related t.

矿石化学组分数理统计研究表明，铀、钒等金属元素与碳呈明显的正相关，反映了沉积环境具有蒸发盆地的特性，即泻湖体系。

This applies to certain mining copper, uranium, salt, alkali, sulfur and other useful ingredients of natural deposits.

这种开采适用于某些含铜、铀、盐、碱、自然硫等有用成分的矿床。

The high rotten coal (including the anthracite and meager coal ) radioactive level is relatively low,( 238U: 29.1Bq/kg , 232Th: 25.9Bq/kg , 226Ra: 37.5Bq/kg), obviously lower than the radioactive levels of the brown coal and bituminous coal, and fluctuating range little relatively stable until Lincang uranium germanium colliery HeKai Tian little dragon's pool power plant make , investigate than right far correctly, prove natural radioactive nuclide (238U , 232Th , 226Ra ) than activity transformation in the course of utilizing and give locality radiate influence that environment bring.

高变质煤放射性水平相对较低，（238U：29.1Bq/kg、232Th：25.9Bq/kg、226Ra：37.5Bq/kg），明显低于褐煤和烟煤的放射性水平，且波动范围较小、相对稳定通过对临沧铀锗煤矿田和开远小龙潭电厂作出调查比对，说明了天然放射性核素（238U、232Th、226Ra）比活度在利用过程中的转移以及给当地放射环境带来的影响。

Thorium along with uranium (U belongs to the actinide group of chemical elements.

钍(16日)同铀(U所属的77锕系元素。

When the uranium atom absorbs a neutron fission, but did not happen, it creates an actinide Element. The half-life of these substances up to a few hundred thousand years.

一段时间后，这些燃料组就不需要再储存于水中，而被转移到钢制套桶中，在那里干燥，充入惰性气体，然后被封闭。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。