The main factors of radiation hazards in uranium mines are radioactive dust, radon and its daughters.
铀矿山的主要辐射危害因素是放射性粉尘、氡气及其子体。
"The point is to prevent radioactive dust from entering the lungs and the digestive tract," said Gourmelon.
Gourmelon表示，“重点在于防止放射性粉尘吸入肺部或消化道。”
And air movement must be minimized to avoid stirring up and resurrecting the bane of shelter workers, radioactive dust.
空气流动也要尽可能的被控制在最低限度，以避免放射性尘埃被搅动起来对工人们造成再次伤害。
Yes. I am. They said the radioactive dust from the exploded nuclear reactors in Japan would be blown to the States soon.
是啊，我好担心。他们说日本核反应堆爆炸产生的辐射微尘不久会被风吹到美国。
The students think that this is a routine exercise, escape and hide into the school in the basketball coach of radioactive dust.
学生们认为这次也是例行演习，于是在篮球教练的带领下躲进学校的放射性尘埃躲避所。
After reactor no. 4 exploded at Chernobyl in 1986 due to errors in both design and operation it sent plumes of radioactive dust as far away as Japan and the U.S..
1986年，由于设计和操作上的失误，切尔诺贝利核电站的四号反应堆发生爆炸。一缕一缕的放射性尘埃最远飘散到了美国和日本。
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.
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。
Its purpose is not to shield radioactive emissions but to prevent the release of radioactive dust and other materials, and to keep out rainwater, which could carry contaminants into the water table.
它的作用不是用来遮挡放射性排放而是阻止放射性烟尘和其它物质的释放，以及遮挡雨水以防止雨水携带污染物流入地下水。
This paper analyses characteristics of radioactive dust, and suggests taking air radionuclide controlled concentration in nuclear weapons nuclear accident as the goal of ventilation purification.
分析了放射性粉尘的特性，提出以核事故时空气放射性核素控制浓度值作为排风净化的目标，给出了净化设备的选择方法。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
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。
To help keep radioactive matter from leaking, a dust - suppression system inside relies on sprinklers that periodically spray a watery solution to prevent it from becoming airborne.
内部一个粉尘抑制系统通过洒水装置定期喷洒稀释溶液，来防止防止放射性物质通过空气传播，从而有助于防止其泄露。
There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.
企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。
There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.
企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。
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