查询词典 uranium-actinium

"Machines that receive their input energy from a natural source (such as air currents, moving water, coal, petroleum, or uranium) and transform it into mechanical energy are known as prime movers ; examples include windmills, waterwheels, turbines, steam engines, and internal-combustion engines."

机械从自然资源(如气流、流水、煤、石油或铀)接收能量，将之变换为机械的能量，此即所谓的原动机，例如风车、水轮、涡轮机、蒸汽机、内燃机。

"Machines that receive their input energy from a natural source (such as air currents, moving water, coal, petroleum, or uranium) and transform it into mechanical energy are known as prime movers; examples include windmill s, waterwheels, turbines, steam engines, and internal-combustion engines."

机械从自然资源(如气流、流水、煤、石油或铀)接收能量，将之变换为机械的能量，此即所谓的原动机，例如风车、水轮、涡轮机、蒸汽机、内燃机。

Large Lingmeikuang, oil, uranium, tin, mineral sand, clay and salt mining resources yet.

大量菱镁矿、石油、铀、锡、矿物沙、粘土及盐的资源尚未开采。

Scientifically, Germany had a head start; pragmatically, with the 1940 conquest of Belgium, Hitler appeared poised to tap the abundant uranium ore of the Belgian Congo.

科学，德国有一个起步；务实，与1940年征服比利时，希特勒似乎准备利用丰富的铀矿的比属刚果。

"Uranium Chemical element of the actinide series (with many transition element properties), chemical symbol U, atomic number 92. A dense, hard, silvery white metal that tarnishes in air,"

铀：周期表IIIb族锕系放射性化学元素，化学符号U，原子序数92，铀是致密的银白色金属，其硬度不足以刻划玻璃，于空气中会失去光泽。

Primary uranium assets in North America or Australia's Northern Territories hold the lowest risk.

初级铀资产北美或澳洲的北方领土举行的风险降至最低。

Uranium distribution in Irtysh River is controlled by human activities.

在表生作用下，铀易活化迁移，而钍则倾向于在残留相中富集。

The tendency of uranium content in the main Irtysh River is increasing from upstream to the downstream.

可可托海稀有多金属矿废水中仅由铀和钍产生的α射线比活度之和就已经超过了国家污水综合排放标准（其中铀产生的占99％以上）。

Most branches of Irtysh River have little been impacted by human activities so uranium and thorium levels are much lower than that in the main stream.

额尔齐斯河主河道水中铀明显受人为活动影响，向下游呈增高趋势。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。