secondary radiation

The results this paper analyzed provide a theoretical basis for selection of the damping track structure on bridge and control of vibrations and secondary radiation noise of the viaduct structure .

本文分析结果可为桥上减振轨道结构选型以及控制高架桥结构振动和二次辐射噪声提供理论依据。

A Study on secondary radiation effects induced by low energy γ and X ray

低能γ射线和X射线在几种金属薄膜中产生的次级辐射效应研究

Mutation Effect of Spring Wheat by Secondary Radiation of Ion Beams

离子束次级辐射对春麦的诱变效应

Assuming the polarization distribution is the same as the distribution of the electric current on the aerial , the angle distribution of the aerial secondary radiation is calculated , and the modification factor of electric dipole model is obtained .

最后，将极化分布看作是电流在天线上的分布，计算了天线的次级辐射在空间中的角分布，得到天线模型对电偶极子模型的修正因子。

A series of methods for the measurement of characteristic signals of solid propellant including the primary and secondary smoke , radiation emission , plume temperature and the smoke of inhibitors are presented .

介绍了固体火箭发动机装药的特征信号需要检测的内容，诸如一二次烟雾、辐射、羽流温度和包覆层烟雾。

The experimental results showed that it brought about a striking effect and had the merits of simple equipments and processing , low cost , low pollution or without secondary pollution when microwave radiation and electro-flotation was used respectively to treat the oily wastewater from the refinery factory .

研究表明，采用上述二种方法分别处理炼油厂三泥水相除油效果显著，且具有设备、工艺简单，价格低廉，没有二次污染或污染小的优点。