Environment isotope determination mode for Karst water under seam floor of Wanbei Mining Area;

Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area,dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed.

Based on the study area physical geographic environment and geological structure analyses and large amount investigation data,carried out systematic studies on environmental geological problems in the Wanbei mining area.

Study on hydrogeological feature of the main pouring water aquifers within the mining area in northern Anhui;

Twenty-two water samples of deep-seated groundwater were taken in the mining area in northern Anhui to test twenty kinds of trace elements such as Ag、Al、As、Ba and so on.

There is still big margin between the rural residence construction in northern Anhui Province and the demand of socialist new countryside construction.

The paper applies new cultural economics and cultural costs theory to analyze the low income of peasants in northern Anhui Province, and puts forward that ideas and concepts of culture, scientific and technological culture and the culture of the system is of great significance to increase farmers income in Northern Anhui Province.

According to the files of waterlog from 1736 to 1911,this text studies the waterlog which happened in the middle reach of Huai River and Northern Anhui province during Qing Dynasty on a stately and countyly basis.

A study on the customs of the lawsuit in the north of Anhui province during the Ming and Qing Dynasties;

General Situation and Thoughts on Agricultural Industrialization in the North of Anhui Province;

After the flood disaster,because of the influence of the brittle social ecosystem,and scanty governmental relief,there were many serious social result in the North of Anhui Province,such as the l.