Mechanism analysis on water cohesion in arid area of Dunhuang Mogao Grottoes Preparation of emulsion-hydrogel transdermal patch of essential oil from Artemisiae Argyi Folium and its transdermal characteristics Study on relationship of properties and drug release rate of hot melt pressure sensitive adhesive Research progresses of the mechanism of the sap flow in trees ASSESSMENT OF SUBSIDENCE IMPACT ON VEGETATION LANDSCAPE IN COAL MINING AREA—A CASE STUDY OF DONGDA MINE IN JINCHENG CITY, SHANXI PROVINCE