查询词典 radioactivity

This is because the radioactivity emanating from polonium-210 is in the form of highly energetic alpha particles.

这是因为钋—210的放射性是以高能阿尔法粒子的形式存在的。

Electricity and radioactivity are foreign energy movement that came to be due to human manipulations over earth.

电流和放射性是外来的能量流运动，是由于人类对地球的操控而出现。

Here, therefore, we have a true radioactivity which is made evident by the emission of positive electrons.

我们因此获得了一种通过排斥正电子表现出来的真正的放射现象。

They are steadily finding new means of protecting themselves and others from radioactivity.

他们正在不断地寻找新的方法来保护自己和他人免受放射性伤害。

Thus the study of radioactivity began as a piece of pure research.

因此，放射性研究开始时是一项纯理论研究。

Having or dealing with dangerously high levels of radioactivity .

具有危险的高等级放射性的或者处理这样性质的东西的。

So it will be a good new means to compute radioactivity shielding later.

这也为以后屏蔽计算建立了一套新技术方案。

This method features high sensitivity,an ability to perform on-line detection,and low radioactivity etc.

该方法具有灵敏度高、可在线检测和放射性低等特点。

This device indicates the existence of radioactivity.

这个设备说明了放射的产生过程。

The evolution of radioactivity and poisonousness of the products after nuclear explosion is very important for safety and environmental protection.

核爆炸后产物放射性和毒性及其随时间的变化是有关安全保障和环境保护的主要问题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。