查询词典 radioactivity

What stands out as really important is that at McGill University, Ernest Rutherford and Frederick Soddy were working out the nature of radioactivity.

真正凸现出重要性的是1903年Ernest Rutherford 和Frederick Soddy 在McGill 大学揭示了放射性的本质。

Radioactivity such as that of strontium 90 causes health problems in people even at low levels.

像银－90的放射性，哪怕是较低水平的放射性，都会对人体的健康造成危害。

In 1898, the Curies obtained a new element, whose radioactivity was several million times stronger than that of uranium.

1898年，居里夫妇获得了一种新元素，它的放射性比铀强几百万倍。

It may also include the release of energy in the form of radioactivity or heat, as in the case of thermal pollution.

这些物质积聚到一定程度以至影响了水生态系统的正常功能。

Radioactivity is the energy given off by rays from a few unstable elements such as uranium and thorium.

放射性是某些不稳定元素如铀和钍的射线放射出来的能量。

Film of radioactivity of density of compositive higher power is like Pe-147 or tritium will be offerred likely go up to output power thousandfold.

集成更高功率密度喷射性薄膜如Pe-147或氚将有可能供给上千倍的输出功率。

An intrinsic calcium-dependent protein kinase was identified in tonoplast by non-radioactivity methods and western blot.

各种标志酶活性检测表明，制备得到的膜样品中其它内膜组分的污染很少，是高纯度密实型液泡膜囊泡。

Transuranic waste; uranium; radioactivity; nuclear waste; geology; rocks; hydrogeology; Quaternary; stratigraphy; ground water; hydrochemistry; UK; Cumbria

关键词：超铀元素废弃物；铀；放射能；原子能工业废料；地质；岩石；水文地质；第四纪；地层学；地下水；水质化学；英国；坎布里亚郡

They then compared the measurements to radioactivity levels of known atmospheric samples, and found they were able to reliably determine the vintage of wines to within the vintage year.

用C14鉴定化石年代的方法，同样可用来测定葡萄酒的年份。研究者测量了20款1985年到1997年生产的澳大利亚红葡萄酒中由糖发酵成的酒精含量。

The weak force, what underlies many forms of radioactivity, mainly.

疲弱的力量，背后是许多形式的放射性物质，主要。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了