中国实验快堆调试B阶段,即装料、首次临界和低功率物理试验阶段,开展的试验包括装料及临界、反应性反馈测量、控制棒价值刻度和探测片活化法测量4大类,共19项试验。其中,装料及临界类试验包括最小临界质量试验、运行装载下冷态和热态临界试验;反应性反馈测量类试验包括温度反应性系数、 China Experimental Fast Reactor Debugging Phase B, the charging, first critical and low-power physical testing phase, conducted tests including charging and criticality, reactive feedback measurement, control rod value calibration and probe activation method measurement of four categories, a total of 19 Test Among them, the loading and critical category tests include the minimum critical mass test, running load under the cold and hot critical test; reactive feedback measurement test includes the temperature coefficient of reactivity,