查询词典 radioactive

Such radioactive elements as strontium 90 were distributed worldwide in nuclear-bomb testing in the 1950's and early 1960's.

这些放射性元素——像锶－90，在20世纪50年代和60年代早期的原子弹实验中被广泛地散发到全球各地。

The tea can effectively prevent invasive bone marrow of radioactive substances and strontium 90 and cobalt can rapidly eliminated from the body 60, tea catechins in the material and lipopolysaccharide reduce harmful radiation on the hematopoietic function significantly protection.

而饮茶能有效地阻止放射性物质侵入骨髓并可使锶90和钴60迅速排出体外，茶叶中的儿茶素类物质和脂多糖物质可减轻辐射对人体的危害，对造血功能有显著的保护作用。

These are removed from groups of fuel containing highly radioactive fission products (such as strontium 90 and cesium 137), and will create tens of kilowatts thermal radiation.

在核燃料被运抵反应堆后，新燃料放在最外层。反应堆被封闭后一般能连续运行一至两年。

Strontium and yttrium can be separated by changing the acidity, and it can be used to separate the radioactive Sr from matrix.

通过调节萃取液的pH值，可实现Sr和Y的分离，并可将其用于裂变产物中放射性Sr的分离。

However, there also are problems with disposal of low level radioactive wastes and mill tailings

然而，还有一些涉及低放射性废物的处置和低放射性污水排放的问题。

Technetium are radioactive isotopes, the longest life expectancy is 943Tc and 9843Tc.

锝都是放射性同位素，寿命最长的是943Tc和9843Tc。

A radioactive metallic_element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding ''.

一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。

Since the pioneer days of the Curies, many more radioactive substances have been discovered.

自居里夫妇的开创性时代以来，已经发现许多其他放射性物质。

The matter that the Curies had discovered was radium. It looked like ordinary salt, but was one million times more radioactive than uranium.

居里夫妇所发现的物质就是镭，看起来它就像普通的食盐一样，而它的放射性却铀要大一百万倍。

Our current theory of elementary particles and forces, known as the Standard Model of particle physics, has achieved a unification of electromagnetism with the weak interactions, the forces responsible for the change of neutrons and protons into each other in radioactive processes and in the stars.

最近的关于基本粒子和力的理论，就是在粒子物理里面叫"标准模型"的，已经将电磁力和弱相互作用统一起来。弱相互作用可以使质子和中子在放射过程和星球内部发上相互转变。

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。