【摘要】 对莫高窟大气降尘进行了时空分布规律的观测,同时,对尘样进行了机械组成、地矿成分、霉菌培养等项目的分析。结果表明,莫高窟大气降尘主要来自鸣沙山的沙尘物质,尘埃对壁画影响很大。并由此提出防治风沙、降尘害的对策。更多还原

【Abstract】 The recent years,that the dustfall impacts to historic site of cultural relic have been drown attention to cultural protectors.In this paper,we observe and study the distributive regulation of atmospheric dustfall in time and space,and analyse items i. e.mechanical composition,mineralogical constituent and mould culture and so on.The analytical results shown the atmospheric dustfall in Mogao Cave is mainly derived from sandy material in muical sand mountain.It affects frescoes greatly.So the measures how to prevent the blown-sand,dustfall disaster are brought up.更多还原