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用AlP产生PH_3熏蒸时,PH_3的平均浓度受到粮堆内诸多因素的影响,根据AlP的用量、PH_3的释放速率、粮仓体积、装载率、气体泄漏损失和储藏物对PH_3的吸附量来描述PH_3浓度与时间的关系。该模型可用于估计AlP的用量、模拟粮堆内PH_3浓度的变化过程,预测特定时间的CT值、估计PH_3浓度在某一最低值以上能保持的时间。在环流熏蒸中,也可用来估计下次补药的时间。
PH3 fumigation with AlP, the average concentration of PH_3 was affected by many factors in the grain pens, according to the amount of AlP, the release rate of PH_3, granary volume, loading rate, loss of gas leakage and storage of PH_3 adsorption capacity to describe PH_3 The relationship between concentration and time. The model can be used to estimate the amount of AlP, simulate the process of PH_3 concentration in the grain piles, predict the CT value at a specific time, and estimate the time that the PH_3 concentration can stay above a certain minimum value. In circulation fumigation, can also be used to estimate the next time tonic.