The timber and other building materials have been buried in the sandy soil to reduce the amount of radioactivity dispersed by wildfires.
木材和其他建筑材料都已被埋入沙土中,以降低野火肆虐带来的辐射扩散问题。
2
Clay is dispersed in a low salinity of the water (or pure water) because of the mutual repulsion forces ion over mutual attraction, lead to soil particles dispersive clay.