Analyses the characteristics of radioactive dusts, and suggests taking the derived air concentration for public as the goal of ventilation purification.
分析了放射性粉尘的特性 ,提出以公众导出空气浓度作为排风净化的目标 ,给出了净化设备的选择方
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。
We should stop talking about the menace of fallout.
我们不应再谈论关于放射性微尘的危害。
radioactive fall-out( dust carried by winds around the earth after a nuclear explosion,etc)
放射性微粒回降（核爆炸等之后放射性尘埃随风散落到地面）
a clean nuclear bomb.
无放射性尘埃的原子弹
Producing a very great amount of long-lived radioactive fallout.
产生大量辐射微尘的产生大量的长期放射性下降物的.
Producing a very great amount of long-lived radioactive fallout. Used of nuclear weapons.
产生大量辐射微尘的产生大量的长期放射性下降物的。用于核武器
The particles that descend in this fashion.
辐射尘以这种方式落下的放射性粒子
(of a nuclear weapon) producing little radioactivity
（指核武器）几乎无放射性尘埃的.
filter ,air, specially designed to eliminate radioactive dust
清除放射性尘埃专用空气过滤器
Widespread fallout from a nuclear explosion.
核爆炸后散布很广的放射性坠尘
The radioactive dust will contribute to higher levels of uranium and radon.
放射性尘埃会形成铀和氡的高值。
microsec life radioisotope
微秒寿命放射性同位素
long range fall-out
远程(放射性)微粒沉降
radioactive aerosol monitor
放射性悬浮微粒监测仪
the radioactive particles that settle to the ground after a nuclear explosion.
核爆炸后落在地面的放射性微粒。
area of military-significant fallout
具有军事意义的（放射性）微粒沉降地区
atmosphere particulate radioactivity detector
大气层微粒放射性探测器
Fine grains of dust can reflect blue light, which coarse grains of dust cannot.
微粒灰尘能反射蓝光，但粗粒灰尘却不能。
Research on Electrostatic Precipitator with Spray Discharge Electrode and Its Dust-collecting Mechanism
喷射放电极静电除尘器的收尘机理及研发