运用水分和湿热相对平衡的数学关系式来指导储藏产品通风、密闭、干燥和冷却等保护技术的应用，控制储粮的温、湿度和水分含量，并采取必要的辅助措施，以提高通风储粮效果，对预防和消除储粮发热、抑制虫霉危害、延缓品质陈化或劣变、保持储藏稳定性具有十分重要的作用． Applying the mathematical relation between relative humidity and moisture balance to guide the application of protection technologies such as ventilation, confinement, drying and cooling of stored products, controlling the temperature, humidity and moisture content of grain storage and taking the necessary auxiliary measures to improve ventilation and grain storage Effect, prevention and elimination of stored grain fever, inhibition of insect damage, delay the quality of aging or deterioration, to maintain storage stability has a very important role.