虽然这种云在高层大气中几乎不构成任何威胁，但是它在地面散发出的放射粒子的余波应该是任何监管机构所关注的。
Although such a cloud would pose virtually no threat while in the upper atmosphere, the fallout at the ground of radioactive particles from it should be a concern for any monitoring authority.
这一切都很好，但是如果那个图形是由干扰造成的，那么或许我们可以，通过向屏幕放射光的单粒子，即单光子来消除干扰。
All well and good. But if that pattern was the result of interference then presumably what we can do is get rid of interference by firing single particles of light, single photons at the screen.
氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
另一种探明粒子性质的方法是观测两个WIMP的碰撞湮灭，此过程同时产生的一系列粒子和质子，产生伽马射线放射物。
Another way to probe the particles' properties is to look for the gamma-ray radiation produced when two WIMPs collide and annihilate each other, producing a cascade of particles and photons.
火球和蘑菇云将放射性粒子推到上空，然后风将它们吹送到附近及远处。
The fireball and mushroom cloud carry radioactive particles upward, and the wind sends them near and far.
第二，核电站还是处于不稳定的状态，存在着突然释放大量放射性粒子的风险。
Two, the plant is still unstable, at risk of suddenly emitting vastly greater amounts of radioactive particles.
我们发现的第一种衰变方式——阿尔法衰变——是放射性粒子产生氦分子！
The first type discovered -- alpha decay -- is when a radioactive particle emits a Helium nucleus !
阿尔法粒子是氦核，它们是放射性衰变的产物。
Alpha particles are these helium nuclei, and they are the result of radioactive decay.
盖革计数器示出放射性粒子的高浓度。
The Geiger counter registered a high concentration of radioactive particles.
在苏联时期，切尔诺贝利核电站事故中所泄露放射性尘埃粒子扩散了几百甚至几千公里远，导致了健康问题的逼近。
The Chernobyl nuclear power plant accident in the Soviet Union sent radioactive dust particles hundreds and even thousands of kilometers away, with health effects occurring close in.
同样也有些能够帮助减轻由放射性粒子引起器官损害的特殊药品。
There are also specific drugs that can help to reduce the damage to internal organs caused by radioactive particles.
这引起了关于放射性粒子会释放到大气中的恐慌。
This has raised fears that radioactive particles could be released into the atmosphere.
如果发现了，那重粒子将会决定性的展示出像电磁性和放射性的特性们是同一力量中十分不同的方面。
If discovered, the heavy particle would definitively show that properties like electromagnetism and radioactivity are really different facets of the same force.
没有任何一颗粒子泄漏放射性物质——这是燃料安全性的一个有力证据。
Not a single particle leaked radioactive material-strong evidence of the fuel's safety.
之所以称其为“弱作用”，是为了指出粒子受到四大基本力中的另一种——由放射性衰变所产生的弱核力（四大基本力是：引力、电磁力、强力、弱力）。
By calling them “weakly interacting”, physicists mean that the particles experience another of the four fundamental forces, namely, the weak nuclear force that is responsible for radioactive decay.
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。
This is because the radioactivity emanating from polonium-210 is in the form of highly energetic alpha particles.
由放射性钠衰变产生正电子，冷却后形成一个由大约100万个正电子组成的体积同样大小的粒子云团，这团正电子被存放在相邻的一个容器中。
The positrons, produced by the decay of radioactive sodium, are cooled into a similarly sized cloud of around 1m particles and held in a neighbouring trap.
太阳偶尔放射出包括高能量x射线、伽马射线，和带电粒子。
Every so often the sun emits a gigantic burst that includes highly energized x-rays gamma rays and charged particles.
太阳偶尔放射出包括高能量x射线、伽马射线，和带电粒子。
Every so often the sun emits a gigantic burst that includes highly energized x-rays, gamma rays, and charged particles.
粒子是从天然放射性蜕变得到的带正电的氦核。
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
核爆炸向海洋释放了放射性粒子。
Nuclear explosions have released radiative particles into the sea .
低压多丝正比室为放射性束核反应的靶前粒子提供位置和时间信号。
Low pressure multi-wire proportional chamber (LPMWPC) provides excellent position and time signals for the radioactive beam induced reactions.
目的研究腮腺区放射性粒子植入后的位置稳定性。
Objective To study the position stability of radioactive seed in parotid gland region after radioactive seed implantation.
目的观察肝癌患者放射线125I粒子植入治疗前后肝功能的动态变化。
Objective To observe dynamic changes of liver function in the treatment of liver cancer with radioactive seed 125i.
第一台高效微粒空气过滤器可以消除空气中的放射性粒子。
The first HEPA filters removed radioactive particles from the air.
一种仪器，观察和测量射线的密度，比如放射性物质的粒子，包括一盖格试管和其它有关联的电子设备。
An instrument that detects and measures the intensity of radiation, such as particles from radioactive material, consisting of a Geiger tube and associated electronic equipment.
目的观察125i放射性粒子对高位胆管癌的临床治疗效果。
Objective to observe the effect of 125i radioactive particles implanted to treat superior position cholangiocarcinoma.
放射性粒子植入技术是近距离治疗的一种，放射性粒子植入治疗恶性肿瘤已有100余年的历史。
Radioactive particles implantation technique is one of brachytherapeutic technologies. Radioactive particles implantation has about 100 years in treating malignant tumor.
放射性粒子植入技术是近距离治疗的一种，放射性粒子植入治疗恶性肿瘤已有100余年的历史。
Radioactive particles implantation technique is one of brachytherapeutic technologies. Radioactive particles implantation has about 100 years in treating malignant tumor.
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