concentration difference meaning in English

浓差
浓度差

At last , the influences of the rate of energy storage , solution concentration differences and the temperature of cooling water to economic indicators are discussed
另外，本文还详细计算了蓄冷率、溶液浓度差和冷却水温度对潜能储存系统各项经济指标的影响情况。
The relationships between the energy storage density , cop , the rate of crystallization and the solution concentration difference , the temperature of cooling water are also discussed in the paper
此外还分析了系统蓄能密度、 cop及结晶率随溶液浓度差和冷却水温度的变化情况。