查询词典 uranium-actinium

A simple, fast and selective spectrophotometric method for the determination of trace nitrate ion in uranium dioxide was developed, based on the fade of indigo carmine with nitrate ion in sulfuric acid medium.

基于硝酸根离子对靛蓝二磺酸钠的褪色反应，建立了一个简单、快速、选择性好的二氧化铀产品中硝酸根离子的测定方法。

Another scientist, Dr GS Dhillon, a former chief engineer with the irrigation department, is convinced that the uranium has come from the power stations and accuses the authorities of failing to control the ash ponds, which he believes have contaminated the groundwater.

另一位科学家，曾任灌溉部总工程师的GS。德希隆博士断言铀来自发电厂，指责当局在沉渣池管理上的失职，他认为正是沉渣池污染了地下水。

The letter said the plant would not enrich uranium beyond the 5% level suitable for civilian energy production. That would be substantially below the threshold of 90% or more needed for a weapon.

信中说，该工厂适合于民用能源生产的浓缩铀，纯度将不会超过5％的水平，这将大大低于适合制造武器所需的90％或更高的门槛。

Studying lineaments is important because mineral deposits such as uranium and petroleum are located on or near the lineaments.

研究地貌是很重要的，因为像铀和石油这样的矿藏就在这些地貌上，或在其附近。

A complex brownish - black mineral,UO2,forming the chief ore of uranium and containing variable amounts of radium,lead, thorium ,and other elements.

沥青铀矿黑褐色的合成矿，UO2，主矿为铀，还包括不定数量的镭、铅、钍和其他元素

All of the structural materials in the active core zone, including the CEA guide tubes and the spacer grids, are Zircaloy, which minimizes the enriched uranium requirements of the core.

在反应堆芯区，包括控制元件组件管和定位栅格架，等所有材料是锆合金材料。锆合金可以极小化堆芯区中富铀的需求。

It has converted yellowcake into uranium hexafluoride gas.

它已经把&黄饼&转化为六氟化铀气体。

They have converted yellowcake into uranium hexafluoride gas.

他们已经把&黄饼&转化为六氟化铀气体。

It has converted yellowcake into uranium hexafluoride gas.

他们已经能将黄饼转化为铀的六氟化物气体。

We also learned that both the CIA and the State Department attempted to keep Bush from referring in his 2003 State of the Union Address to Saddam's attempted purchase of "yellowcake" uranium from Niger.

我们还了解到，无论是美国中央情报局和国务院试图保持布什在谈到他在2003年发表的国情咨文对萨达姆的企图购买&黄饼&铀来自尼日尔。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。