The prediction of the concentration of radioactive nuclides is the basis and premise of emergency action and radioprotection. 放射性核素浓度的确定是放射性事故抢险救援和辐射防护等工作的基础和前提，是放射性事故应急救援的重要组成部分。
The emergency rescue counterplan includes the accident prevention before the water disaster happening and the accident emergency rescue after the water disaster happening. 煤矿水害应急救援预案应包括水害发生前的事故预防和水害发生后的事故抢险救援两大部分。
