粉尘对石质文物的影响既有物理上的作用,也有化学作用。粉尘直接沉降或粘附在石质文物表面或填充到文物的孔隙和裂隙中造成石质文物风化剥落是物理风化。而由粉尘中的有害气体形成的酸性物质对文物的腐蚀作用则是化学作用。研究表明,降尘可使文物变色、褪色、酥碱,尘埃往往是细菌、霉菌的良好载体,当空气中 The impact of dust on stone artifacts has both physical and chemical effects. Dust directly settles or adheres to the surface of stone artifacts or fills in the pores and crevices of the artifacts, resulting in weathering and peeling of the stone artifacts. The corrosive action of acid substances formed by harmful gases in dust on cultural relics is chemical. Studies have shown that dust can make the cultural relics discoloration, fading, caking, dust is often a good carrier of bacteria, mold, when in the air