id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-2764		cet-2764		6	.pdf	application/pdf	2916	92	42	This paper takes the spatial distribution characteristics of heavy metal chemical pollution in Jiuzhaigou scenic spot as the research object, adopts the methods of literature analysis, field investigation and mathematical statistics, etc., based on the brief introduction of the general situation of Jiuzhaigou scenic spot and the relationship between earthquake and heavy metal pollution, and adopts field survey. (a) Data distribution of powdered soil in Jiuzhaigou scenic area (b) The distribution of clay soil data in Jiuzhaigou scenic spot (c) Sandstone data distribution in Jiuzhaigou scenic area Figure 2: Data distribution of soil clay, grain and sand in Jiuzhaigou scenic area The pH values of soil have a great influence on heavy metal content (Ogunkunle and Fatoba, 2014).	cache/cet-2764.pdf	txt/cet-2764.txt