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引言控制博物馆陈列柜中的相对湿度（RH）对于历史、艺术、文化展品（的保存）是至关重要的。博物馆陈列柜中相对湿度的短期变化通常是由于温度变化所导致的；长期波动则是由于外面空气中水分含量随季节变化而引起的。涉及这一问题的文献很多，主要是从二个方面考虑的：1．博物
Introduction Controlling the relative humidity (RH) in museum showcases is vital to the preservation of historical, artistic and cultural exhibits. Short-term changes in relative humidity in museum showcases are usually caused by temperature changes; long-term fluctuations are due to changes in the moisture content of the outside air with seasons. A lot of literature involved in this issue, mainly from two aspects: 1. Museum