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Based on the investigation data on As in surface and bottom waters in the bay mouth of Jiaozhou Bay in 1983, this paper analyzed the seasonal variations, vertical variations and horizontal distributions of As. Results showed that As contents in surface waters in different seasons were in order of summer...

Use all A-share listed companies of main board market in 2012 as samples, this paper investigate the influence of environmental information disclosure behavior on the firm future market value and investors` confidence in capital market. The research conclusion indicate that: (1)The listed companies`...

PM2.5 pollution is harmful to human health and ecological environment, and effective control of PM2.5 pollution has important practical significance for regional sustainable development. This paper analyzed the impact of land use change on PM2.5 pollution based on Geographic Information System (GIS),...